Submission Summary:

• Submission details:
• Submission received: 8 September 2012, 06:57:50
• Processing time: 8 min 33 sec
• Submitted sample:
• File MD5: 0x764D54B02CDF7642EF647DED2FC6C796
• File SHA-1: 0xAE67CE1711E37721310D0CF774A538CBE2A5E8AF
• Filesize: 378,781 bytes
• Alias & packer info:
• Virus.Win32.Sality.ag [Kaspersky Lab]
• packed with: PE_Patch [Kaspersky Lab]

• Summary of the findings:

What's been found	Severity Level
Capability to send out email message(s) with the built-in SMTP client engine.
Produces outbound traffic.
Creates a startup registry entry.
Contains characteristics of an identified security risk.

Technical Details:

• The new window was created, as shown below:

Possible Security Risk

• Attention! Characteristics of the following security risk was identified in the system:

Security Risk	Description
Backdoor.Bifrose	Backdoor.Bifrose is a backdoor trojan that attempts to propagate by exploiting local network shares. It will also attempt to join a predefined IRC server and channel in order to participate in DDoS attacks.

• Attention! The following threat category was identified:

Threat Category	Description
	A virus capable to modify other files by infecting, prepending, or overwriting them them with its own body

File System Modifications

• The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%ProgramFiles%\Bifrost\logg.dat	0 bytes	MD5: 0xD41D8CD98F00B204E9800998ECF8427E SHA-1: 0xDA39A3EE5E6B4B0D3255BFEF95601890AFD80709	(not available)
2	%ProgramFiles%\Bifrost\server.exe [file and pathname of the sample #1]	378,781 bytes	MD5: 0x764D54B02CDF7642EF647DED2FC6C796 SHA-1: 0xAE67CE1711E37721310D0CF774A538CBE2A5E8AF	Virus.Win32.Sality.ag [Kaspersky Lab] packed with PE_Patch [Kaspersky Lab]

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

• The following directory was created:
• %ProgramFiles%\Bifrost

Memory Modifications

• There were new processes created in the system:

Process Name	Process Filename	Main Module Size
server.exe	%ProgramFiles%\Bifrost\server.exe	847,872 bytes
[filename of the sample #1]	[file and pathname of the sample #1]	847,872 bytes

Registry Modifications

• The following Registry Keys were created:
• HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Active Setup\Installed Components\{30A9BB89-EB63-D4E2-ECC0-5D02AC69E5F2}
• HKEY_LOCAL_MACHINE\SOFTWARE\Bifrost
• HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\MediaResources\msvideo
• HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\MediaResources\msvideo
• HKEY_CURRENT_USER\Software\Bifrost

• The newly created Registry Values are:
• [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Active Setup\Installed Components\{30A9BB89-EB63-D4E2-ECC0-5D02AC69E5F2}]
• stubpath = "%ProgramFiles%\Bifrost\server.exe s"

so that server.exe runs every time Windows starts

• [HKEY_LOCAL_MACHINE\SOFTWARE\Bifrost]
• nck = ED 1B E6 27 B9 28 D6 32 74 C3 CD 74 FA 93 5B 67
• [HKEY_CURRENT_USER\Software\Bifrost]
• klg = 01

Other details

• To mark the presence in the system, the following Mutex object was created:
• Bif1234

• The following Host Names were requested from a host database:
• udk9hgwrv.no-ip.biz
• 192.5.5.241

• 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

Outbound traffic (potentially malicious)

• There was an outbound traffic produced on port 81: