Submission Summary:

• Submission details:
• Submission received: 5 September 2012, 13:56:57
• Processing time: 7 min 33 sec
• Submitted sample:
• File MD5: 0xF3A2CD9789576DD4D5A8834DC6852977
• File SHA-1: 0xDA9FE2EE1FB450413F46972EEE06710003F59C1E
• Filesize: 661,504 bytes
• Alias:
• Backdoor.Krademok [Symantec]
• Backdoor.Win32.Finlosky.b [Kaspersky Lab]
• Generic BackDoor.xa [McAfee]
• Mal/Behav-058 [Sophos]
• Backdoor:Win32/Fynloski.A [Microsoft]
• Trojan.Win32.CDur [Ikarus]

Technical Details:

Possible Security Risk

• Attention! The following threat category was identified:

Threat Category	Description
	A malicious backdoor trojan that runs in the background and allows remote access to the compromised system

File System Modifications

• The following file was created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	[file and pathname of the sample #1]	661,504 bytes	MD5: 0xF3A2CD9789576DD4D5A8834DC6852977 SHA-1: 0xDA9FE2EE1FB450413F46972EEE06710003F59C1E	Backdoor.Krademok [Symantec] Backdoor.Win32.Finlosky.b [Kaspersky Lab] Generic BackDoor.xa [McAfee] Mal/Behav-058 [Sophos] Backdoor:Win32/Fynloski.A [Microsoft] Trojan.Win32.CDur [Ikarus]

• The following directory was created:
• %Temp%\dclogs

• Note:
• %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).

Memory Modifications

• There was a new process created in the system:

Registry Modifications

• The following Registry Key was created:
• HKEY_CURRENT_USER\Software\DC3_FEXEC

Other details

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

	France

• To mark the presence in the system, the following Mutex object was created:
• DC_MUTEX-9VJ4J48

• The following Host Name was requested from a host database:
• ahmadkifre.zapto.org

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

• There was application-defined hook procedure installed into the hook chain (e.g. to monitor keystrokes). The installed hook is handled by the following module:
• %ProgramFiles%\Internet Explorer\iexplore.exe

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

Outbound traffic (potentially malicious)

• There was an outbound traffic produced on port 1604: