Submission Summary:

• Submission details:
• Submission received: 4 January 2009, 07:03:18
• Processing time: 6 min 52 sec
• Submitted sample:
• File MD5: 0xF98668F5D76705A10CB40807E71650F1
• File SHA-1: 0x1AFB2171559A2CBDA32763BA857E2CF6377B6237
• Filesize: 400,384 bytes
• Alias:
• W32.Spybot.Worm [Symantec]
• Backdoor.Win32.SdBot.fsk [Kaspersky Lab]
• W32/Sdbot.worm.gen.ci [McAfee]
• WORM_SDBOT.GAV [Trend Micro]
• Mal/Behav-285 [Sophos]
• Worm:Win32/Pushbot.gen [Microsoft]
• Backdoor.Win32.SdBot [Ikarus]

• Summary of the findings:

What's been found	Severity Level
Is protected with Themida in order to prevent the sample from being reverse-engineered. Themida protection can potentially be used by a threat to complicate the manual threat analysis (e.g. the sample would not run under the Virtual Machine).
Communication with a remote IRC server.
Creates a startup registry entry.
Packed with a packer that is known to be used by malware (e.g. to complicate threat analysis or detection).
Contains characteristics of an identified security risk.

Technical Details:

• The new window was created, as shown below:

Possible Security Risk

• Attention! The following threat categories were identified:

Threat Category	Description
	A malicious trojan horse or bot that may represent security risk for the compromised system and/or its network environment
	A malicious backdoor trojan that runs in the background and allows remote access to the compromised system
	A network-aware worm that attempts to replicate across the existing network(s)

File System Modifications

• The following file was created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%Windir%\filename.exe [file and pathname of the sample #1]	400,384 bytes	MD5: 0xF98668F5D76705A10CB40807E71650F1 SHA-1: 0x1AFB2171559A2CBDA32763BA857E2CF6377B6237	W32.Spybot.Worm [Symantec] Backdoor.Win32.SdBot.fsk [Kaspersky Lab] W32/Sdbot.worm.gen.ci [McAfee] WORM_SDBOT.GAV [Trend Micro] Mal/Behav-285 [Sophos] Worm:Win32/Pushbot.gen [Microsoft] Backdoor.Win32.SdBot [Ikarus]

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

Memory Modifications

• There were new processes created in the system:

Process Name	Process Filename	Main Module Size
filename.exe	%Windir%\filename.exe	1,224,704 bytes
[filename of the sample #1]	[file and pathname of the sample #1]	1,224,704 bytes

Registry Modifications

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

so that filename.exe runs every time Windows starts

Other details

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

• The following ports were open in the system:

• The following Host Name was requested from a host database:
• irc.kuwaitarmy.net

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

Outbound traffic (potentially malicious)

• Attention! There was a new connection established with a remote IRC Server. The generated outbound IRC traffic is provided below: