ThreatExpert Report: Trojan.Win32.Sasfis.vwj, Mal/EncPk-LP, Trojan:Win32/Oficla.E..

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Submission Summary:

Submission details:

Submission received: 25 November 2009, 15:01:27
Processing time: 8 min 16 sec
Submitted sample:

File MD5: 0xB2C6634B139F50733FB9FB6F48CB445D
File SHA-1: 0x84564467B81DA06ABE08D07A1CFB2C4CA1A2E143
Filesize: 19,456 bytes
Alias:

Trojan.Win32.Sasfis.vwj [Kaspersky Lab]
Mal/EncPk-LP [Sophos]
Trojan:Win32/Oficla.E [Microsoft]

Summary of the findings:

What's been found	Severity Level
Downloads/requests other files from Internet.
Contains characteristics of an identified security risk.

Technical Details:

Possible Security Risk

Attention! Characteristics of the following security risk was identified in the system:

Security Risk	Description
Trojan.Sasfis	Trojan.Sasfis runs silently in the background and can download and install additional malware when executed.

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%\1.tmp %System%\wlmv.kuo	25,601 bytes	MD5: 0xBF8508040F222B29D9564E887DD1E0BE SHA-1: 0x458C01A8580FCB620E29C189059DDE50053D180D	Trojan:Win32/Oficla.E [Microsoft]
2	%Temp%\2.tmp	208,384 bytes	MD5: 0x9990D0ACADCF23E7B6BAE53E3E7837C6 SHA-1: 0x749AC24CDF2F9FA5CD7C443617C6DC4D61BB15C3	Trojan Horse [Symantec] Trojan.Win32.Obfuscated.aisn [Kaspersky Lab] Trojan:Win32/Meredrop [Microsoft] packed with ASPack [Kaspersky Lab]
3	[file and pathname of the sample #1]	19,456 bytes	MD5: 0xB2C6634B139F50733FB9FB6F48CB445D SHA-1: 0x84564467B81DA06ABE08D07A1CFB2C4CA1A2E143	Trojan.Win32.Sasfis.vwj [Kaspersky Lab] Mal/EncPk-LP [Sophos] Trojan:Win32/Oficla.E [Microsoft]

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).

Registry Modifications

The following Registry Key was created:

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\idid

The newly created Registry Value is:

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\idid]

url0 = F8 9B 20 62 FC 48 D0 3E 27 FC 1D F7 94 5A FF 3F F3 80 39 3D AB 06 8C 2B 20 E2 57 F2 97 1A E8 79 E0 EF 2C BC 4A 92 FA 77 92 BD 4A FC 70 71 9F 25

The following Registry Value was modified:

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

Shell =

Other details

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

Remote Host	Port Number
195.42.102.17	80

The data identified by the following URLs was then requested from the remote web server:

http://ablegang.com/master/bb.php?id=653227819&v=200&tm=2&b=3262346780
http://reqtv.com/update/update.exe

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