Submission Summary:

• Submission details:
• Submission received: 5 September 2012, 19:24:52
• Processing time: 7 min 42 sec
• Submitted sample:
• File MD5: 0x6E9FD67F3937FC21AD158B1357EAE167
• File SHA-1: 0xFA4E3A77FF300C13023E0BE97B960DA3DD39EB0C
• Filesize: 274,432 bytes
• Alias:
• Trojan.Win32.Buzus.fktb [Kaspersky Lab]
• Mal/Rimecud-G [Sophos]
• Backdoor:Win32/IRCbot [Microsoft]
• Trojan.Win32.Buzus [Ikarus]

Technical Details:

Possible Security Risk

• Attention! The following threat category was identified:

Threat Category	Description
	A malicious trojan horse or bot that may represent security risk for the compromised system and/or its network environment

File System Modifications

• The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%Temp%\google_cache185.tmp	9 bytes	MD5: 0x6C936CB4A4B7F5803BD2E3DEACC3C2FE SHA-1: 0x561782F6CC10BA3E5AFEAED752F95E589C813891	(not available)
2	%Temp%\svcswarm.exe [file and pathname of the sample #1]	274,432 bytes	MD5: 0x6E9FD67F3937FC21AD158B1357EAE167 SHA-1: 0xFA4E3A77FF300C13023E0BE97B960DA3DD39EB0C	Trojan.Win32.Buzus.fktb [Kaspersky Lab] Mal/Rimecud-G [Sophos] Backdoor:Win32/IRCbot [Microsoft] Trojan.Win32.Buzus [Ikarus]

• Note:
• %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).

Memory Modifications

• There were new processes created in the system:

Registry Modifications

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

so that svcswarm.exe runs every time Windows starts

• [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run]
• Security System = "%Temp%\svcswarm.exe"

so that svcswarm.exe runs every time Windows starts

Other details

• To mark the presence in the system, the following Mutex object was created:
• jdiowu420nf

• The following port was open in the system:

• The following Host Names were requested from a host database:
• fear.serveirc.com
• 192.5.5.241

• 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: