Submission Summary:

• Submission details:
• Submission received: 14 September 2012, 04:45:34
• Processing time: 7 min 35 sec
• Submitted sample:
• File MD5: 0x1E811977BAD584010717612D388B68E3
• File SHA-1: 0x886BA4789CD214B8D6AF9C61378F52AB1EFCB3FB
• Filesize: 69,120 bytes
• Alias:
• Trojan.Win32.Dialer.ext [Kaspersky Lab]
• generic!bg.gyv [McAfee]
• Mal/EncPk-JU [Sophos]
• Backdoor:Win32/Agent [Microsoft]
• Trojan.Win32.Dialer [Ikarus]
• Win-Trojan/Downloader.48640.AI [AhnLab]

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 files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	c:\DATA\SYSTEM\Desktop.ini	62 bytes	MD5: 0x7457A5DF1FF47C957ACF1FA000D7D9AD SHA-1: 0x69D2BBA827FD4DE0169419A0FDA280252B348514	(not available)
2	c:\DATA\SYSTEM\Xp.exe [file and pathname of the sample #1]	69,120 bytes	MD5: 0x1E811977BAD584010717612D388B68E3 SHA-1: 0x886BA4789CD214B8D6AF9C61378F52AB1EFCB3FB	Trojan.Win32.Dialer.ext [Kaspersky Lab] generic!bg.gyv [McAfee] Mal/EncPk-JU [Sophos] Backdoor:Win32/Agent [Microsoft] Trojan.Win32.Dialer [Ikarus] Win-Trojan/Downloader.48640.AI [AhnLab]

• The following directories were created:
• c:\DATA
• c:\DATA\SYSTEM

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]	106,496 bytes
xp.exe	c:\data\system\xp.exe	106,496 bytes

Registry Modifications

• The following Registry Key was created:
• HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Active Setup\Installed Components\{67KLN5J0-4OPM-00WE-AAX5-74KC2A323342}

• The newly created Registry Value is:
• [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Active Setup\Installed Components\{67KLN5J0-4OPM-00WE-AAX5-74KC2A323342}]
• StubPath = "c:\DATA\SYSTEM\Xp.exe"

so that Xp.exe runs every time Windows starts

Other details

• The following Host Name was requested from a host database:
• X.helldark.biz

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

Outbound traffic (potentially malicious)

• There was an outbound traffic produced on port 5900: