Submission Summary:

• Submission details:
• Submission received: 27 August 2008, 23:32:14
• Processing time: 4 min 57 sec
• Submitted sample:
• File MD5: 0xD9BAC9B5D2B3863636C2EA4D4D73AC42
• File SHA-1: 0x7B4A92A8950078799426CC7692C8F816ED9B4FB0
• Filesize: 21,507 bytes
• Alias: Mal/Dorf-A [Sophos]

• Summary of the findings:

What's been found	Severity Level
Downloads/requests other files from Internet.

Technical Details:

File System Modifications

• The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	[file and pathname of the sample #1]	21,507 bytes	MD5: 0xD9BAC9B5D2B3863636C2EA4D4D73AC42 SHA-1: 0x7B4A92A8950078799426CC7692C8F816ED9B4FB0	Mal/Dorf-A [Sophos]
2	%System%\sil.bat	124 bytes	MD5: 0xE2437B8F3CAD70EFE091D28675AEF6CC SHA-1: 0xE285DFFC78311CAE07AF5C0AE5D99BB9B5183EFF	(not available)

• Note:
• %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 was a new process created in the system:

Other details

• To mark the presence in the system, the following Mutex object was created:
• gyf65

• The data identified by the following URLs was then requested from the remote web server:
• http://www.rudolfs-english-page.com/redist.exe
• http://www.ulissenet.it/arts/bodyart/redist.exe

Downloaded File Summary:

• Download details:
• Download retrieved: 27 August 2008 23:41:14
• Processing time: 5 min 23 sec
• Downloaded sample:
• File MD5: 0x6159B2EF140C3F450D82756CADDE02A0
• File SHA-1: 0x978CEAC2529DD91A800169C4DBB31D15A7C818D2
• Filesize: 812,718 bytes
• Alias:
• Trojan-Banker.Win32.Agent.z [Kaspersky Lab]
• New Win32 [McAfee]
• Mal/Banspy-F [Sophos]
• TrojanSpy:Win32/Banker [Microsoft]

• Summary of the findings:

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

Technical Details:

Possible Security Risk

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

Security Risk	Description
Adware.Component.Unrelated	These common components have files and keys that are in different threats but the threats are not related to one another in that the author of the signature is not the same. It is recommended that all these entries be removed.

File System Modifications

• The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%Windir%\KB21082008.txt	0 bytes	MD5: 0xD41D8CD98F00B204E9800998ECF8427E SHA-1: 0xDA39A3EE5E6B4B0D3255BFEF95601890AFD80709	(not available)
2	%System%\kernel32.exe [file and pathname of the sample #1]	812,718 bytes	MD5: 0x6159B2EF140C3F450D82756CADDE02A0 SHA-1: 0x978CEAC2529DD91A800169C4DBB31D15A7C818D2	Trojan-Banker.Win32.Agent.z [Kaspersky Lab] New Win32 [McAfee] Mal/Banspy-F [Sophos] TrojanSpy:Win32/Banker [Microsoft]

• Notes:
• %Windir% is a variable that refers to the Windows installation folder. By default, this is C:\Windows or C:\Winnt.
• %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 was a new process created in the system:

Registry Modifications

• The newly created Registry Value is:
• [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
• kernel32 = "%System%\kernel32.exe"

so that kernel32.exe runs every time Windows starts

Other details

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

	Brazil