Submission Summary:

• Submission details:
• Submission received: 21 September 2012, 12:54:56
• Processing time: 9 min 50 sec
• Submitted sample:
• File MD5: 0x4AEA79D90E00B19246FF2E5B1ADB977D
• File SHA-1: 0x5E2F8C364BE5412382B242C7CEB8D7C358D22B78
• Filesize: 47,008 bytes
• Alias:
• Trojan.Klovbot [Symantec]
• Generic.bfr!go [McAfee]
• Trojan:Win32/Msposer.A [Microsoft]
• Trojan.Win32.Spy [Ikarus]

• Summary of the findings:

What's been found	Severity Level
Hosts file modification that may block access to the security web sites.
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	%Windir%\services.exe [file and pathname of the sample #1]	47,008 bytes	MD5: 0x4AEA79D90E00B19246FF2E5B1ADB977D SHA-1: 0x5E2F8C364BE5412382B242C7CEB8D7C358D22B78	Trojan.Klovbot [Symantec] Generic.bfr!go [McAfee] Trojan:Win32/Msposer.A [Microsoft] Trojan.Win32.Spy [Ikarus]

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

• The following file was modified:
• %System%\drivers\etc\hosts

• Notes:
• %System% is a variable that refers to the System folder. By default, this is C:\Windows\System (Windows 95/98/Me), C:\Winnt\System32 (Windows NT/2000), or C:\Windows\System32 (Windows XP).

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]	36,864 bytes
services.exe	%Windir%\services.exe	36,864 bytes

Registry Modifications

• The newly created Registry Value is:
• [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
• services.exe = "%Windir%\services.exe"

so that services.exe runs every time Windows starts

Other details

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

	Spain

• To mark the presence in the system, the following Mutex objects were created:
• Firewall
• _!SHMSFTHISTORY!_

• The HOSTS file was updated with the following URL-to-IP mappings:

• The following Host Names were requested from a host database:
• pe70657275.ns01.biz
• inter700125finan.dns1.us
• bn6E6163696F6E.ns02.biz
• bvva62627661.ns02.biz
• ecua6E636861.ns1.name

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

• The following Internet Connection was established:

• The following GET requests were made:
• postales/view.php?sk=1&se=acheckley123@live.com&db=10&t=ecards_public&cid=897424
• postales/index.jpg