ThreatExpert Report: Trojan.Gen, Trojan.Vundo, Generic.dx!bdfp, TROJ

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Submission Summary:

Submission details:

Submission received: 28 August 2012, 05:36:05
Processing time: 15 min 3 sec
Submitted sample:

File MD5: 0xD0F5DF235DE56A163497FC19280FE6F5
File SHA-1: 0x2919251B543B2F37329140843FA8EB7AF7D29B9B
Filesize: 94,200 bytes
Alias & packer info:

Trojan.Gen [Symantec]
Trojan.Vundo [Ikarus]
packed with: UPX [Kaspersky Lab]

Summary of the findings:

What's been found	Severity Level
Downloads/requests other files from Internet.
Contains characteristics of an identified security risk.

Technical Details:

Possible Security Risk

Attention! The following threat category was identified:

Threat Category	Description
	A malicious trojan horse or bot that may represent security risk for the compromised system and/or its network environment

File System Modifications

The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%Temp%\RarSFX0\6002cc.exe	37,384 bytes	MD5: 0x376B42858E72FBC1CBE98C9D0441049B SHA-1: 0xE8B07F6593F951519AEC4A4597820B8ADDF2DBA5	Trojan.Gen [Symantec] Generic.dx!bdfp [McAfee] TROJ_KAZY.SMEK [Trend Micro] Trojan.Vundo [Ikarus] packed with PE_Patch [Kaspersky Lab]
2	%Temp%\RarSFX0\867b.exe	36,362 bytes	MD5: 0x19EF42105A061278F8C6A1DC183DEFBD SHA-1: 0x49EF81091205D44810C1D699185D9A1B92E4A30C	Trojan.Gen [Symantec] Generic.dx!bdfp [McAfee] TROJ_KAZY.SMEK [Trend Micro] Mal/Generic-L [Sophos] Trojan.Vundo [Ikarus] packed with PE_Patch [Kaspersky Lab]
3	%Temp%\RarSFX0\ser.vbs	118 bytes	MD5: 0x1963B2B82E5336752538A8683D69D21E SHA-1: 0xAD8C04F28F7093A175B08966B18596FD91AF64D7	(not available)
4	%System%\fkre6002k.exe	0 bytes	MD5: 0xD41D8CD98F00B204E9800998ECF8427E SHA-1: 0xDA39A3EE5E6B4B0D3255BFEF95601890AFD80709	(not available)
5	%System%\fkreq867.exe	0 bytes	MD5: 0xD41D8CD98F00B204E9800998ECF8427E SHA-1: 0xDA39A3EE5E6B4B0D3255BFEF95601890AFD80709	(not available)
6	[file and pathname of the sample #1]	94,200 bytes	MD5: 0xD0F5DF235DE56A163497FC19280FE6F5 SHA-1: 0x2919251B543B2F37329140843FA8EB7AF7D29B9B	Trojan.Gen [Symantec] Trojan.Vundo [Ikarus] packed with UPX [Kaspersky Lab]

Notes:

%Temp% is a variable that refers to the temporary folder in the short path form. By default, this is C:\Documents and Settings\[UserName]\Local Settings\Temp\ (Windows NT/2000/XP).
%System% is a variable that refers to the System folder. By default, this is C:\Windows\System (Windows 95/98/Me), C:\Winnt\System32 (Windows NT/2000), or C:\Windows\System32 (Windows XP).

The following directory was created:

%Temp%\RarSFX0

Memory Modifications

There was a new process created in the system:

Process Name	Process Filename	Main Module Size
[filename of the sample #1]	[file and pathname of the sample #1]	155,648 bytes

Registry Modifications

The following Registry Keys were created:

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_FKRGD88
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_FKRGD88\0000
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_FKRK6002K
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_FKRK6002K\0000
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Fkrgd88
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Fkrgd88\Security
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Fkrk6002k
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Fkrk6002k\Security
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\Enum\Root\LEGACY_FKRGD88
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\Enum\Root\LEGACY_FKRGD88\0000
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\Enum\Root\LEGACY_FKRK6002K
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\Enum\Root\LEGACY_FKRK6002K\0000
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\Services\Fkrgd88
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\Services\Fkrgd88\Security
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\Services\Fkrk6002k
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\Services\Fkrk6002k\Security

The newly created Registry Values are:

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_FKRGD88\0000]

Service = "Fkrgd88"
Legacy = 0x00000001
ConfigFlags = 0x00000000
Class = "LegacyDriver"
ClassGUID = "{8ECC055D-047F-11D1-A537-0000F8753ED1}"
DeviceDesc = "FkreFwwds"

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_FKRGD88]

NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_FKRK6002K\0000]

Service = "Fkrk6002k"
Legacy = 0x00000001
ConfigFlags = 0x00000000
Class = "LegacyDriver"
ClassGUID = "{8ECC055D-047F-11D1-A537-0000F8753ED1}"
DeviceDesc = "FkreFxkk6002k"

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_FKRK6002K]

NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Fkrgd88\Security]

Security = 01 00 14 80 90 00 00 00 9C 00 00 00 14 00 00 00 30 00 00 00 02 00 1C 00 01 00 00 00 02 80 14 00 FF 01 0F 00 01 01 00 00 00 00 00 01 00 00 00 00 02 00 60 00 04 00 00 00 00 00 14 00 FD 01 02 00 01 01 00 00 00 00 00 05 12 00 00 00 00 00 18 00 FF 01 0F 0

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Fkrgd88]

Type = 0x00000010
Start = 0x00000002
ErrorControl = 0x00000000
ImagePath = "%System%\fkreq867.exe"
DisplayName = "FkreFwwds"
ObjectName = "LocalSystem"

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Fkrk6002k\Security]

Security = 01 00 14 80 90 00 00 00 9C 00 00 00 14 00 00 00 30 00 00 00 02 00 1C 00 01 00 00 00 02 80 14 00 FF 01 0F 00 01 01 00 00 00 00 00 01 00 00 00 00 02 00 60 00 04 00 00 00 00 00 14 00 FD 01 02 00 01 01 00 00 00 00 00 05 12 00 00 00 00 00 18 00 FF 01 0F 0

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Fkrk6002k]

Type = 0x00000010
Start = 0x00000002
ErrorControl = 0x00000000
ImagePath = "%System%\fkre6002k.exe"
DisplayName = "FkreFxkk6002k"
ObjectName = "LocalSystem"

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\Enum\Root\LEGACY_FKRGD88\0000]

Service = "Fkrgd88"
Legacy = 0x00000001
ConfigFlags = 0x00000000
Class = "LegacyDriver"
ClassGUID = "{8ECC055D-047F-11D1-A537-0000F8753ED1}"
DeviceDesc = "FkreFwwds"

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\Enum\Root\LEGACY_FKRGD88]

NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\Enum\Root\LEGACY_FKRK6002K\0000]

Service = "Fkrk6002k"
Legacy = 0x00000001
ConfigFlags = 0x00000000
Class = "LegacyDriver"
ClassGUID = "{8ECC055D-047F-11D1-A537-0000F8753ED1}"
DeviceDesc = "FkreFxkk6002k"

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\Enum\Root\LEGACY_FKRK6002K]

NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\Services\Fkrgd88\Security]

Security = 01 00 14 80 90 00 00 00 9C 00 00 00 14 00 00 00 30 00 00 00 02 00 1C 00 01 00 00 00 02 80 14 00 FF 01 0F 00 01 01 00 00 00 00 00 01 00 00 00 00 02 00 60 00 04 00 00 00 00 00 14 00 FD 01 02 00 01 01 00 00 00 00 00 05 12 00 00 00 00 00 18 00 FF 01 0F 0

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\Services\Fkrgd88]

Type = 0x00000010
Start = 0x00000002
ErrorControl = 0x00000000
ImagePath = "%System%\fkreq867.exe"
DisplayName = "FkreFwwds"
ObjectName = "LocalSystem"

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\Services\Fkrk6002k\Security]

Security = 01 00 14 80 90 00 00 00 9C 00 00 00 14 00 00 00 30 00 00 00 02 00 1C 00 01 00 00 00 02 80 14 00 FF 01 0F 00 01 01 00 00 00 00 00 01 00 00 00 00 02 00 60 00 04 00 00 00 00 00 14 00 FD 01 02 00 01 01 00 00 00 00 00 05 12 00 00 00 00 00 18 00 FF 01 0F 0

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\Services\Fkrk6002k]

Type = 0x00000010
Start = 0x00000002
ErrorControl = 0x00000000
ImagePath = "%System%\fkre6002k.exe"
DisplayName = "FkreFxkk6002k"
ObjectName = "LocalSystem"

Other details

The following HTTP URLs were started reading:

http://www.chinau.cn/newscentre/member/cc333k.jpg
http://www.chinau.cn/newscentre/member/bb22k.jpg

The data identified by the following URLs was then requested from the remote web server:

http://www.003azzya.com/cc.htm
http://www.003azzya.com/bb.htm

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