Submission Summary:

• Submission details:
• Submission received: 21 July 2008, 20:25:33
• Processing time: 3 min 27 sec
• Submitted sample:
• File MD5: 0xF3AA42286398CF7EB518E159B176B7ED
• File SHA-1: 0x4987F3C2D9E66BEFAEB1D54F8740C9B78D1AF0F7
• Filesize: 63,198 bytes
• Alias:
• Trojan.Dropper [Symantec]
• WORM_POEBOT.CC [Trend Micro]

• 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 network-aware worm that attempts to replicate across the existing network(s)

File System Modifications

• The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%Temp%\zig.exe %System%\sysays.exe	73,728 bytes	MD5: 0xCA86EC37FF9BAE4898BF46129D7C7F5A SHA-1: 0x00312D8F0278D010C3A0CCB08F7207910265A37E	Worm.Akbot.Gen [PCTools] W32.Spybot.Worm [Symantec] W32/Sdbot.worm.gen.g [McAfee] WORM_RBOT.GEN [Trend Micro]
2	[file and pathname of the sample #1]	63,198 bytes	MD5: 0xF3AA42286398CF7EB518E159B176B7ED SHA-1: 0x4987F3C2D9E66BEFAEB1D54F8740C9B78D1AF0F7	Trojan.Dropper [Symantec] WORM_POEBOT.CC [Trend Micro]

• 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).
• %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
sysays.exe	%System%\sysays.exe	344,064 bytes
zig.exe	%Temp%\zig.exe	344,064 bytes
[filename of the sample #1]	[file and pathname of the sample #1]	16,384 bytes

Registry Modifications

• The newly created Registry Values are:
• [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
• Windows Identify = "%System%\sysays.exe"

so that sysays.exe runs every time Windows starts

• [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run]
• Windows Identify = "%System%\sysays.exe"

so that sysays.exe runs every time Windows starts

Other details

• To mark the presence in the system, the following Mutex object was created:
• v3.04

• The following Host Name was requested from a host database:
• m.bihsecurity.com

• 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: