ThreatExpert Report: Trojan Horse, Generic Dropper, TROJ

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Submission Summary:

Submission details:

Submission received: 31 July 2008, 23:59:23
Processing time: 3 min 31 sec
Submitted sample:

File MD5: 0x8E9E5C303B30FDD5E836AA6291D06DE5
File SHA-1: 0x7FF26F19B09B83DEDFBAB07D0F6BFB26F5811A53
Filesize: 112,128 bytes
Alias:

Trojan Horse [Symantec]
Generic Dropper [McAfee]
TROJ_ADCLICKE.IN [Trend Micro]

Summary of the findings:

What's been found	Severity Level
Contains characteristics of an identified security risk.

Technical Details:

Possible Security Risk

Attention! The following threat categories were identified:

Threat Category	Description
	A hacktool that could be used by attackers to break into a system
	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	%System%\comdlg3.dll	88,576 bytes	MD5: 0x84D2290EE36F8270A7249164CB3CD582 SHA-1: 0x30FAAB844A308713AFE0B87874F8F842F5245950	Rootkit.Podnuha.Gen.2 [PCTools] Hacktool.Rootkit [Symantec] Boaxxe.dll [McAfee] TROJ_PODNUHA.CN [Trend Micro]
2	[file and pathname of the sample #1]	112,128 bytes	MD5: 0x8E9E5C303B30FDD5E836AA6291D06DE5 SHA-1: 0x7FF26F19B09B83DEDFBAB07D0F6BFB26F5811A53	Trojan Horse [Symantec] Generic Dropper [McAfee] TROJ_ADCLICKE.IN [Trend Micro]

Note:

%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).

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]	147,456 bytes

Other details

Analysis of the file resources indicate the following possible country of origin:

Russian Federation

To mark the presence in the system, the following Mutex object was created:

Global\U6EDz6C-D_bhom_9-st

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