Worm.Win32.AutoItGen_d65d505520

by malwarelabrobot on May 19th, 2014 in Malware Descriptions.

Trojan.Win32.Agent.ichc (Kaspersky), Trojan.Ciusky.Gen.5 (AdAware), mzpefinder_pcap_file.YR, WormAutoItGen.YR, WormAinslot_VariantOfZeus.YR, GenericAutorunWorm.YR (Lavasoft MAS)
Behaviour: Trojan, Worm, WormAutorun


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: d65d50552005e005285ca868ef198f58
SHA1: bf18a53cf586d6a8a1c78d07de339784c432ed12
SHA256: 940e06d1fe6f415068865fb97b18b0d51485b8553a2a5f824ef3df040e77bf48
SSDeep: 24576:1t24ygVRH9K7ZgG8k/GQWOOViQ3p45 cJfjj5Na00:hJVPK7ZgG8knW2AGjV000
Size: 1146937 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6
Company: A.P.P.
Created at: 2013-08-22 16:00:50
Analyzed on: WindowsXP SP3 32-bit


Summary:

Worm. A program that is primarily replicating on networks or removable drives.

Payload

Behaviour Description
WormAutorun A worm can spread via removable drives. It writes its executable and creates "autorun.inf" scripts on all removable drives. The autorun script will execute the Worm's file once a user opens a drive's folder in Windows Explorer.


Process activity

The Worm creates the following process(es):

34576.exe:348
%original file name%.exe:1576
WTXrWaHlUb.exe:676
wPWy.exe:2040
reg.exe:356
reg.exe:556
reg.exe:1664
reg.exe:1688

The Worm injects its code into the following process(es):

RegSvcs.exe:1748
RegSvcs.exe:1856

File activity

The process 34576.exe:348 makes changes in the file system.
The Worm creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\hl9nioofz95\wPWy.exe (27713 bytes)
%Documents and Settings%\%current user%\hl9nioofz95\VBNNeSuIzu.BGV (103 bytes)
%Documents and Settings%\%current user%\hl9nioofz95\hFKpIBfX.ULM (226065 bytes)
%Documents and Settings%\%current user%\hl9nioofz95\dxeLEuBZLb.YQD (200 bytes)

The Worm deletes the following file(s):

%Documents and Settings%\%current user%\hl9nioofz95\__tmp_rar_sfx_access_check_911750 (0 bytes)

The process %original file name%.exe:1576 makes changes in the file system.
The Worm creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\4c49gtkj9av6v\ErPhnAgL.EHH (174 bytes)
%Documents and Settings%\%current user%\4c49gtkj9av6v\PXUxDdit.ZVM (1747 bytes)
%Documents and Settings%\%current user%\4c49gtkj9av6v\WTXrWaHlUb.exe (31505 bytes)
%Documents and Settings%\%current user%\4c49gtkj9av6v\ZGLTaIF.TWO (242635 bytes)

The Worm deletes the following file(s):

%Documents and Settings%\%current user%\4c49gtkj9av6v\__tmp_rar_sfx_access_check_849562 (0 bytes)

The process RegSvcs.exe:1748 makes changes in the file system.
The Worm creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\Application Data\75ED9567-AA58-4C8E-A8EA-3CAD7C47AB03\Run.dat (8 bytes)

The process RegSvcs.exe:1856 makes changes in the file system.
The Worm creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\OPQNSD2J\googleupdate[1].exe (115474 bytes)
%Documents and Settings%\%current user%\Application Data\JQXQ2C8WU8.exe (32 bytes)
%Documents and Settings%\%current user%\Application Data\logs.dat (34 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\34576.exe (85073 bytes)

The process WTXrWaHlUb.exe:676 makes changes in the file system.
The Worm creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\4c49gtkj9av6v\run.vbs (94 bytes)
%Documents and Settings%\%current user%\4c49gtkj9av6v\53403.cmd (76 bytes)
%Documents and Settings%\%current user%\4c49gtkj9av6v\31321.vbs (134 bytes)

The process wPWy.exe:2040 makes changes in the file system.
The Worm creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\hl9nioofz95\18494.cmd (69 bytes)
%Documents and Settings%\%current user%\hl9nioofz95\32683.vbs (132 bytes)
%Documents and Settings%\%current user%\hl9nioofz95\run.vbs (89 bytes)
%Documents and Settings%\%current user%\Start Menu\Programs\Startup\start.lnk (727 bytes)

Registry activity

The process 34576.exe:348 makes changes in the system registry.
The Worm creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "95 58 48 1A 46 F7 8F 2B B9 7E A6 67 9E 7D D6 04"

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

[HKCU\Software\Microsoft\Windows\ShellNoRoam\MUICache\%Documents and Settings%\%current user%\hl9nioofz95]
"wPWy.exe" = "AutoIt v3 Script (Beta)"

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

"ProxyBypass" = "1"

The process %original file name%.exe:1576 makes changes in the system registry.
The Worm creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "EA 63 1A 2B 95 D9 2C 62 58 C7 36 86 C6 29 1B 39"

[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\%Documents and Settings%\%current user%\4c49gtkj9av6v]
"WTXrWaHlUb.exe" = "AutoIt v3 Script"

[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 Worm 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 Worm 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 Worm modifies IE settings for security zones to map all web-nodes that bypassing the proxy to the Intranet Zone:

"ProxyBypass" = "1"

The process RegSvcs.exe:1748 makes changes in the system registry.
The Worm creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "E1 66 B7 10 9D 23 18 22 A3 B0 B7 CA 9A 61 31 D2"

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

The process RegSvcs.exe:1856 makes changes in the system registry.
The Worm 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"

[HKCU\Software\Microsoft\Windows\ShellNoRoam\MUICache\C:\DOCUME~1\"%CurrentUserName%"\LOCALS~1\Temp]
"34576.exe" = "34576"

[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\VB and VBA Program Settings\SrvID\ID]
"ZR1ORYXL5R" = "netfusion1's Bot"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections]
"SavedLegacySettings" = "3C 00 00 00 14 00 00 00 01 00 00 00 00 00 00 00"

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "0D 01 7D D3 24 B0 5D 6F 51 CD 49 F7 B3 CF 63 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"

[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"

[HKCU\Software\VB and VBA Program Settings\INSTALL\DATE]
"ZR1ORYXL5R" = "May 17, 2014"

The Worm 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 Worm 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 Worm 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 Worm deletes the following value(s) in system registry:

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

The process WTXrWaHlUb.exe:676 makes changes in the system registry.
The Worm creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "8F 2E 5F 58 74 74 C0 F0 87 2C 43 7C 8B 3F 30 C4"

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

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Startup" = "%Documents and Settings%\%current user%\Start Menu\Programs\Startup"

[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\Policies\Explorer]
"NoFolderOptions" = "1"

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

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced]
"ShowSuperHidden" = "0"

To automatically run itself each time Windows is booted, the Worm adds the following link to its file to the system registry autorun key:

[HKCU\Software\Microsoft\Windows\CurrentVersion\RunOnce]
"4c49gtkj9av6v" = "C:\DOCUME~1\"%CurrentUserName%"\4c49gtkj9av6v\31321.vbs"

The process wPWy.exe:2040 makes changes in the system registry.
The Worm creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "AE 5C 70 26 82 D1 E3 D1 26 C7 9A 23 CA A9 00 97"

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

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Startup" = "%Documents and Settings%\%current user%\Start Menu\Programs\Startup"

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

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

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

[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"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer]
"NoFolderOptions" = "1"

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

[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 Desktop" = "%Documents and Settings%\All Users\Desktop"

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

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

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

[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"

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

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced]
"ShowSuperHidden" = "0"

To automatically run itself each time Windows is booted, the Worm adds the following link to its file to the system registry autorun key:

[HKCU\Software\Microsoft\Windows\CurrentVersion\RunOnce]
"hl9nioofz95" = "C:\DOCUME~1\"%CurrentUserName%"\hl9nioofz95\32683.vbs"

The process reg.exe:356 makes changes in the system registry.
The Worm creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "33 B3 16 44 25 B0 F1 4A 74 51 7D 8F 3A 3B 5A 7F"

[HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile]
"DoNotAllowExceptions" = "0"

The process reg.exe:556 makes changes in the system registry.
The Worm creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "06 B8 A7 72 59 53 D2 4F EE 36 D8 C3 46 35 4B 06"

Adds a rule to the firewall Windows which allows any network activity:

[HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\%WinDir%\Microsoft.NET\Framework\v2.0.50727]
"RegSvcs.exe" = "%WinDir%\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe:*:Enabled:Windows Messanger"

The process reg.exe:1664 makes changes in the system registry.
The Worm creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "0F 4D 79 4B 29 86 44 6D CD F2 7C B8 71 7B 5E 8D"

Adds a rule to the firewall Windows which allows any network activity:

[HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\%Documents and Settings%\%current user%\Application Data]
"JQXQ2C8WU8.exe" = "%Documents and Settings%\%current user%\Application Data\JQXQ2C8WU8.exe:*:Enabled:Windows Messanger"

The process reg.exe:1688 makes changes in the system registry.
The Worm creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "BB D6 97 DB EC 47 08 34 67 4B 18 1D 05 76 C5 A9"

[HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile]
"DoNotAllowExceptions" = "0"

Dropped PE files

MD5 File path
e01ced5c12390ff5256694eda890b33a c:\Documents and Settings\"%CurrentUserName%"\4c49gtkj9av6v\WTXrWaHlUb.exe
faa8ea9027ed6b6c875c247e59285270 c:\Documents and Settings\"%CurrentUserName%"\Application Data\JQXQ2C8WU8.exe
ff805b5c8c916c4b6f46adbbb2a86f60 c:\Documents and Settings\"%CurrentUserName%"\Local Settings\Temp\34576.exe
ff805b5c8c916c4b6f46adbbb2a86f60 c:\Documents and Settings\"%CurrentUserName%"\Local Settings\Temporary Internet Files\Content.IE5\OPQNSD2J\googleupdate[1].exe

HOSTS file anomalies

No changes have been detected.

Rootkit activity

No anomalies have been detected.

Propagation

A worm can spread via removable drives. It writes its executable and creates "autorun.inf" scripts on all removable drives. The autorun script will execute the Worm's file once a user opens a drive's folder in Windows Explorer.

VersionInfo

No information is available.

PE Sections

Name Virtual Address Virtual Size Raw Size Entropy Section MD5
.text 4096 151934 152064 4.64444 92abffc6a56a40e47e60620bc02b652e
.rdata 159744 20291 20480 3.69144 3bc937cdae1248917ecca2bfbd21ec86
.data 180224 136672 5120 1.76024 ec6b38244c52a1c8d4b504f9e1522d10
.rsrc 319488 12956 13312 3.14648 534705af31b83f3b53fd7c3d676d2ce2

Dropped from:

Downloaded by:

Similar by SSDeep:

Similar by Lavasoft Polymorphic Checker:

Total found: 4
a58886f72b5a5cd8d58a6621be700773
d7168e89d0c4fdf1c834c8bb3e18b7ef
f58a0b2423689749638fc034a70ecb4a
0f6b1b84fada748a4615909f1bd1e656

URLs

URL IP
hxxp://api.ipinfodb.com/v2/ip_query_country.php?key=33134207068e7a95c2b45275a388806be6b9ca837fe782832723b99fb21a7a8c&timezone=off 192.151.154.180
hxxp://privatelayer.eu/netfusion/googleupdate.exe 81.17.25.86
netfusion.servehttp.com 158.58.173.65


IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)

ET TROJAN Blackshades Payload Download Command
ET SHELLCODE Possible TCP x86 JMP to CALL Shellcode Detected
ET TROJAN x0Proto Ping

Traffic

Web Traffic was not found.

The Worm connects to the servers at the folowing location(s):

Strings from Dumps were not found.


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):

    34576.exe:348
    %original file name%.exe:1576
    WTXrWaHlUb.exe:676
    wPWy.exe:2040
    reg.exe:356
    reg.exe:556
    reg.exe:1664
    reg.exe:1688

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

    %Documents and Settings%\%current user%\hl9nioofz95\wPWy.exe (27713 bytes)
    %Documents and Settings%\%current user%\hl9nioofz95\VBNNeSuIzu.BGV (103 bytes)
    %Documents and Settings%\%current user%\hl9nioofz95\hFKpIBfX.ULM (226065 bytes)
    %Documents and Settings%\%current user%\hl9nioofz95\dxeLEuBZLb.YQD (200 bytes)
    %Documents and Settings%\%current user%\4c49gtkj9av6v\ErPhnAgL.EHH (174 bytes)
    %Documents and Settings%\%current user%\4c49gtkj9av6v\PXUxDdit.ZVM (1747 bytes)
    %Documents and Settings%\%current user%\4c49gtkj9av6v\WTXrWaHlUb.exe (31505 bytes)
    %Documents and Settings%\%current user%\4c49gtkj9av6v\ZGLTaIF.TWO (242635 bytes)
    %Documents and Settings%\%current user%\Application Data\75ED9567-AA58-4C8E-A8EA-3CAD7C47AB03\Run.dat (8 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\OPQNSD2J\googleupdate[1].exe (115474 bytes)
    %Documents and Settings%\%current user%\Application Data\JQXQ2C8WU8.exe (32 bytes)
    %Documents and Settings%\%current user%\Application Data\logs.dat (34 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\34576.exe (85073 bytes)
    %Documents and Settings%\%current user%\4c49gtkj9av6v\run.vbs (94 bytes)
    %Documents and Settings%\%current user%\4c49gtkj9av6v\53403.cmd (76 bytes)
    %Documents and Settings%\%current user%\4c49gtkj9av6v\31321.vbs (134 bytes)
    %Documents and Settings%\%current user%\hl9nioofz95\18494.cmd (69 bytes)
    %Documents and Settings%\%current user%\hl9nioofz95\32683.vbs (132 bytes)
    %Documents and Settings%\%current user%\hl9nioofz95\run.vbs (89 bytes)
    %Documents and Settings%\%current user%\Start Menu\Programs\Startup\start.lnk (727 bytes)

  4. Delete the following value(s) in the autorun key (How to Work with System Registry):

    [HKCU\Software\Microsoft\Windows\CurrentVersion\RunOnce]
    "4c49gtkj9av6v" = "C:\DOCUME~1\"%CurrentUserName%"\4c49gtkj9av6v\31321.vbs"

    [HKCU\Software\Microsoft\Windows\CurrentVersion\RunOnce]
    "hl9nioofz95" = "C:\DOCUME~1\"%CurrentUserName%"\hl9nioofz95\32683.vbs"

  5. Clean the Temporary Internet Files folder, which may contain infected files (How to clean Temporary Internet Files folder).
  6. Find and delete all copies of the worm's file together with "autorun.inf" scripts on removable drives.
  7. Reboot the computer.

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

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