ThreatExpert Report: Trojan-Downloader.Win32.Bagle.aik, Generic Downloader.x, Mal/Generic-A..

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Submission Summary:

Submission details:

Submission received: 4 January 2009, 01:22:02
Processing time: 7 min 14 sec
Submitted sample:

File MD5: 0xC3BE66E38A47D3840F8CD49B97485CA8
File SHA-1: 0xE4A49556273DFCB3AEE29FD7C835EFC083A0C3CE
Filesize: 823,304 bytes
Alias:

Trojan-Downloader.Win32.Bagle.aik [Kaspersky Lab]
Generic Downloader.x [McAfee]
Mal/Generic-A [Sophos]
TrojanDownloader:Win32/Bagle.WW [Microsoft]
Trojan-Downloader.Bagle [Ikarus]

Summary of the findings:

What's been found	Severity Level
Is protected with Themida in order to prevent the sample from being reverse-engineered. Themida protection can potentially be used by a threat to complicate the manual threat analysis (e.g. the sample would not run under the Virtual Machine).
Contains characteristics of an identified security risk.

Technical Details:

Possible Security Risk

Attention! The following threat category was identified:

Threat Category	Description
	A program that downloads files to the local computer that may represent security risk

File System Modifications

The following file was created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	[file and pathname of the sample #1]	823,304 bytes	MD5: 0xC3BE66E38A47D3840F8CD49B97485CA8 SHA-1: 0xE4A49556273DFCB3AEE29FD7C835EFC083A0C3CE	Trojan-Downloader.Win32.Bagle.aik [Kaspersky Lab] Generic Downloader.x [McAfee] Mal/Generic-A [Sophos] TrojanDownloader:Win32/Bagle.WW [Microsoft] Trojan-Downloader.Bagle [Ikarus]

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]	1,863,680 bytes

Other details

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

Russian Federation

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