ThreatExpert Report: Trojan-Dropper.Win32.Agent.gmtk, W32/Rimecud.gen.dm, Troj/Agent-RWM..

Visit ThreatExpert web site

Close Report

Submission Summary:

Submission details:

Submission received: 2 August 2012, 07:08:40
Processing time: 8 min 57 sec
Submitted sample:

File MD5: 0xB2EC25A38CAA51490F4F91DAA196F35C
File SHA-1: 0x4741E3CE4F7D758B5E6EF17930566EA33E1415CE
Filesize: 358,776 bytes
Alias:

Trojan-Dropper.Win32.Agent.gmtk [Kaspersky Lab]
W32/Rimecud.gen.dm [McAfee]
Troj/Agent-RWM [Sophos]
Trojan:Win32/Rimecud.A [Microsoft]
Virus.Win32.Agent [Ikarus]

Summary of the findings:

What's been found	Severity Level
Downloads/requests other files from Internet.
Creates a startup registry entry.
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 file was created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%AppData%\mwgovz.exe [file and pathname of the sample #1]	358,776 bytes	MD5: 0xB2EC25A38CAA51490F4F91DAA196F35C SHA-1: 0x4741E3CE4F7D758B5E6EF17930566EA33E1415CE	Trojan-Dropper.Win32.Agent.gmtk [Kaspersky Lab] W32/Rimecud.gen.dm [McAfee] Troj/Agent-RWM [Sophos] Trojan:Win32/Rimecud.A [Microsoft] Virus.Win32.Agent [Ikarus]

Note:

%AppData% is a variable that refers to the file system directory that serves as a common repository for application-specific data. A typical path is C:\Documents and Settings\[UserName]\Application Data.

Memory Modifications

There were new processes created in the system:

Process Name	Process Filename	Main Module Size
mwgovz.exe	%AppData%\mwgovz.exe	126,976 bytes
[filename of the sample #1]	[file and pathname of the sample #1]	356,352 bytes

Registry Modifications

The newly created Registry Value is:

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon]

Taskman = "%AppData%\mwgovz.exe"

so that mwgovz.exe runs every time Windows starts

Other details

The following Host Names were requested from a host database:

tep.Q8CAM1.COM
tep.Q8CAM2.COM
tep.Q8CAM3.COM
tep.Q8CAM4.COM
tep.xylocomod.com

The data identified by the following URL was then requested from the remote web server:

http://www.andygo.name:808/conew.exe

The following Internet download was started (the retrieved bits are saved into the local file):

URL to be downloaded	Filename for the downloaded bits
http://www.andygo.name:808/conew.exe	%Temp%\~198.exe

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).

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.