ThreatExpert Report: Mal/MSIL-BI, TrojanSpy:MSIL/Keylogger.C, Backdoor.MSIL

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Submission Summary:

Submission details:

Submission received: 5 September 2012, 19:38:12
Processing time: 7 min 45 sec
Submitted sample:

File MD5: 0x3E6540BA66E4CF8E2B9ACB7FF16DE4E2
File SHA-1: 0x284FBF9C695192BE2E90E7E8CECC9150204BDFC0
Filesize: 57,344 bytes
Alias:

Mal/MSIL-BI [Sophos]
TrojanSpy:MSIL/Keylogger.C [Microsoft]
Backdoor.MSIL [Ikarus]

Summary of the findings:

What's been found	Severity Level
Creates a startup registry entry.

Technical Details:

File System Modifications

The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%Temp%\Startup SImg.jpeg	6,511 bytes	MD5: 0xF226D1AEB33419BE43142CD852047924 SHA-1: 0xDCE8D36F6F3DA3288B4B60EE3AB546FB8A7B2C92	(not available)
2	[file and pathname of the sample #1] %Windir%\User Account Control\config\svchost.exe	57,344 bytes	MD5: 0x3E6540BA66E4CF8E2B9ACB7FF16DE4E2 SHA-1: 0x284FBF9C695192BE2E90E7E8CECC9150204BDFC0	Mal/MSIL-BI [Sophos] TrojanSpy:MSIL/Keylogger.C [Microsoft] Backdoor.MSIL [Ikarus]

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).
%Windir% is a variable that refers to the Windows installation folder. By default, this is C:\Windows or C:\Winnt.

The following directories were created:

%Windir%\User Account Control
%Windir%\User Account Control\config

Registry Modifications

The following Registry Key was created:

HKEY_CURRENT_USER\Software\Windows Firewall

The newly created Registry Values are:

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run]

Windll32 Drivers = "%Windir%\User Account Control\config\svchost.exe"

so that svchost.exe runs every time Windows starts

[HKEY_CURRENT_USER\Software\Windows Firewall]

TCP Connection Manager = "l4m4o6yxV4"

Other details

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

l4m4o6yxV4

The following Host Names were requested from a host database:

192.5.5.241
smtp.live.com

There were application-defined hook procedures installed into the hook chain (e.g. to monitor keystrokes). The installed hooks are handled by the following modules:

%Windir%\User Account Control\config\svchost.exe
[file and pathname of the sample #1]

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