ThreatExpert Report: Trojan.Gen, Backdoor.Win32.Wabot.a, W32/Wabot, Troj/Luiha-M..

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Submission Summary:

Submission details:

Submission received: 24 September 2012, 06:44:13
Processing time: 7 min 36 sec
Submitted sample:

File MD5: 0x2DD20B7875D3D1458154DF6F5D839B14
File SHA-1: 0x24DB456747521917A49A3418E9CD0D798D087BE3
Filesize: 465,644 bytes
Alias:

Trojan.Gen [Symantec]
Backdoor.Win32.Wabot.a [Kaspersky Lab]
W32/Wabot [McAfee]
Troj/Luiha-M [Sophos]
Backdoor:Win32/Wabot.A [Microsoft]
P2P-Worm.Win32.Delf [Ikarus]

Technical Details:

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Possible Security Risk

Attention! The following threat categories were identified:

Threat Category	Description
	A malicious backdoor trojan that runs in the background and allows remote access to the compromised system
	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	c:\marijuana.txt	21,738 bytes	MD5: 0xC0214C7723FE7BDE6BC2834742BCC506 SHA-1: 0xF3D8E78975BF169FC1ED3AE95AD41D84FF6A36C3	(not available)
2	[file and pathname of the sample #1] %System%\sIRC4.exe	465,644 bytes	MD5: 0x2DD20B7875D3D1458154DF6F5D839B14 SHA-1: 0x24DB456747521917A49A3418E9CD0D798D087BE3	Trojan.Gen [Symantec] Backdoor.Win32.Wabot.a [Kaspersky Lab] W32/Wabot [McAfee] Troj/Luiha-M [Sophos] Backdoor:Win32/Wabot.A [Microsoft] P2P-Worm.Win32.Delf [Ikarus]

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).

The following directory was created:

%System%\xdccPrograms

Memory Modifications

There were new processes created in the system:

Process Name	Process Filename	Main Module Size
[filename of the sample #1]	[file and pathname of the sample #1]	90,112 bytes
sirc4.exe	%System%\sirc4.exe	90,112 bytes
wireless network setup wizard.exe	%System%\xdccprograms\wireless network setup wizard.exe	90,112 bytes

Registry Modifications

The following Registry Value was modified:

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon]

Shell =

Other details

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

sIRC4

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