ThreatExpert Report: Trojan.Generic, Trojan Horse, Trojan.Win32.Vilsel.pem, Mal/Generic-A..

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Submission Summary:

Submission details:

Submission received: 17 December 2009, 14:37:28
Processing time: 5 min 52 sec
Submitted sample:

File MD5: 0xF2B0D5C14FC3ADFC227469FAEDB39DFB
File SHA-1: 0xAEC955D970A22990C758B2A4ADC0BBD1AB778F36
Filesize: 14,336 bytes
Alias & packer info:

Trojan.Generic [PCTools]
Trojan Horse [Symantec]
Trojan.Win32.Vilsel.pem [Kaspersky Lab]
Mal/Generic-A [Sophos]
Trojan.Win32.Vilsel [Ikarus]
Win-Trojan/Vilsel.14336.G [AhnLab]
packed with: PE_Patch.UPX [Kaspersky Lab]

Summary of the findings:

What's been found	Severity Level
Produces outbound traffic.
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	c:\newblogger.bat	131 bytes	MD5: 0x9D80672CA378DE9689132643ECA95BA5 SHA-1: 0xCAE93F33F78F5C31A792D0B43973132ED222290B	(not available)
2	[file and pathname of the sample #1]	14,336 bytes	MD5: 0xF2B0D5C14FC3ADFC227469FAEDB39DFB SHA-1: 0xAEC955D970A22990C758B2A4ADC0BBD1AB778F36	Trojan.Generic [PCTools] Trojan Horse [Symantec] Trojan.Win32.Vilsel.pem [Kaspersky Lab] Mal/Generic-A [Sophos] Trojan.Win32.Vilsel [Ikarus] Win-Trojan/Vilsel.14336.G [AhnLab] packed with PE_Patch.UPX [Kaspersky Lab]

Memory Modifications

There were new processes created in the system:

Process Name	Process Filename	Main Module Size
[filename of the sample #1]	[file and pathname of the sample #1]	49,152 bytes
iexplore.exe	%ProgramFiles%\Internet Explorer\iexplore.exe	102,400 bytes

Note:

%ProgramFiles% is a variable that refers to the Program Files folder. A typical path is C:\Program Files.

Other details

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

_SHuassist.mtx

The following Host Name was requested from a host database:

uuu20091124.info

There was registered attempt to establish connection with the remote host. The connection details are:

Remote Host	Port Number
uuu20091124.info	1037

The following Internet Connections were established:

Server Name	Server Port	Connect as User	Connection Password
news.google.com	80	(null)	(null)
www.google.com	443	(null)	(null)

The following GET request was made:

news?ned=us&output=rss

The following HTTP URL was started reading:

http://uuu20091124.info/blogspot/newblogger.php?a=names&ver=12

Outbound traffic (potentially malicious)

There was an outbound traffic produced on port 1035:

There was an outbound traffic produced on port 443:

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