ThreatExpert Report: Trojan.Win32.Weelsof

Submission Summary:

Submission details:

Submission received: 11 September 2012, 16:38:58
Processing time: 12 min 26 sec
Submitted sample:

File MD5: 0x46AC1F4D9357D64A9630BF7F449FB16A
File SHA-1: 0x679766B96823AE4C35482E07DA69AF38240A6743
Filesize: 53,760 bytes
Alias: Trojan.Win32.Weelsof [Ikarus]

Summary of the findings:

What's been found	Severity Level
Produces outbound traffic.
Downloads/requests other files from Internet.

Technical Details:

File System Modifications

The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%CommonAppData%\lttuklnfzgzdhcm	40 bytes	MD5: 0xC641D146510CD0239EF658027176102C SHA-1: 0x291B62647BFD131F2CEED0C13F784BE11F255A69	(not available)
2	[file and pathname of the sample #1]	53,760 bytes	MD5: 0x46AC1F4D9357D64A9630BF7F449FB16A SHA-1: 0x679766B96823AE4C35482E07DA69AF38240A6743	Trojan.Win32.Weelsof [Ikarus]

Note:

%CommonAppData% is a variable that refers to the file system directory containing application data for all users. A typical path is C:\Documents and Settings\All Users\Application Data.

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

Other details

To mark the presence in the system, the following Mutex objects were created:

Global\wulphldypggzxlmsgaonopcdq
Global\cxhocmmbsjikorgqncrolarz

The following port was open in the system:

Port	Protocol	Process
1033	TCP	[file and pathname of the sample #1]

The following Internet Connection was established:

Server Name	Server Port	Connect as User	Connection Password
verywell.xan7rafx.biz	443	(null)	(null)

Outbound traffic (potentially malicious)

There was an outbound traffic produced on port 443:

All content ("Information") contained in this report is the copyrighted work of Threat Expert Ltd and its associated companies ("ThreatExpert") and may not be copied without the express permission of ThreatExpert.

The Information is provided on an "as is" basis. ThreatExpert disclaims all warranties, whether express or implied, to the maximum extent permitted by law, including the implied warranties that the Information is merchantable, of satisfactory quality, accurate, fit for a particular purpose or need, or non-infringing, unless such implied warranties are legally incapable of exclusion. Further, ThreatExpert does not warrant or make any representations regarding the use or the results of the use of the Information in terms of their correctness, accuracy, reliability, or otherwise.