Submission Summary:

• Submission details:
• Submission received: 3 March 2008, 20:03:29
• Processing time: 3 min 57 sec
• Submitted sample:
• File MD5: 0x85D48C2D54AFE1E962AFA40162977ED5
• File SHA-1: 0x1E0C7A2D82AA08DD0FE41C080720418B2A948748
• Filesize: 305,730 bytes
• Alias: Backdoor.Win32.IRCBot.bll, Backdoor.Win32.IRCBot.bmd [Kaspersky Lab]

• Summary of the findings:

What's been found	Severity Level
Communication with a remote IRC server.
Creates a startup registry entry.
Contains characteristics of an identified security risk.

Technical Details:

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

File System Modifications

• The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%System%\inetdump.exe	84,480 bytes	MD5: 0xC2B16FDB3952F7BF238D7F94E6DF5B54 SHA-1: 0xBD0E6F53DC0DF982ADC7CE508CED60859F3284D2	Backdoor.Win32.IRCBot.bip [Kaspersky Lab] W32/Sdbot.worm [McAfee] WORM_SLENFBOT.P [Trend Micro]
2	%System%\inetsync.exe	99,328 bytes	MD5: 0xD68C249B7FCC09AA1BE90D0F6DE93FA4 SHA-1: 0xC4286BB769DFB7CED2742B4E09C2AE00F2CE780A	Backdoor.Win32.IRCBot.bll [Kaspersky Lab] WORM_SLENFBOT.O [Trend Micro]
3	%System%\memrun.exe	76,800 bytes	MD5: 0xC992F3AA042AA7B58BA9EE7AEE24D3B7 SHA-1: 0x3CFA02C43A14DD38C9B0D15945AB63912FFA8404	Backdoor.Win32.IRCBot.bmd [Kaspersky Lab]
4	[file and pathname of the sample #1]	305,730 bytes	MD5: 0x85D48C2D54AFE1E962AFA40162977ED5 SHA-1: 0x1E0C7A2D82AA08DD0FE41C080720418B2A948748	Backdoor.Win32.IRCBot.bll, Backdoor.Win32.IRCBot.bmd [Kaspersky Lab]

• 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 were new processes created in the system:

Process Name	Process Filename	Main Module Size
inetsync.exe	%System%\inetsync.exe	8,192 bytes
inetdump.exe	%System%\inetdump.exe	8,192 bytes
memrun.exe	%System%\memrun.exe	8,192 bytes
ingen013.exe	%Temp%\ingen013.exe	8,192 bytes
ingen19.exe	%Temp%\ingen19.exe	8,192 bytes
[filename of the sample #1]	[file and pathname of the sample #1]	45,056 bytes
ingen014.exe	%Temp%\ingen014.exe	8,192 bytes

• Notes:
• %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).

Registry Modifications

• The newly created Registry Value is:
• [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
• Microsoft Internet Syncing = "inetsync.exe"
• Microsoft Internet Dumping Protocol = "inetdump.exe"
• Windows Memory Running Services = "memrun.exe"

so that inetsync.exe runs every time Windows starts
so that inetdump.exe runs every time Windows starts
so that memrun.exe runs every time Windows starts

Other details

• To mark the presence in the system, the following Mutex objects were created:
• v2.4e
• V4.6
• V4.5

• The following ports were open in the system:

• The following Host Names were requested from a host database:
• stay.herekittykittykitty.info
• domain.godaddyy.net

• There were registered attempts to establish connection with the remote hosts. 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: