ThreatExpert Report: W32.Gammima.AG, Trojan-GameThief.Win32.Magania.dohm, Generic PWS.y!cpw..

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Submission Summary:

Submission details:

Submission received: 24 September 2012, 04:35:16
Processing time: 7 min 57 sec
Submitted sample:

File MD5: 0xD6EC9189D7DE3F31E759BE2BF1F48EAA
File SHA-1: 0x8EE999FC2ECB976AADE9674F2A7728845BEF769A
Filesize: 114,176 bytes
Alias & packer info:

W32.Gammima.AG [Symantec]
Trojan-GameThief.Win32.Magania.dohm [Kaspersky Lab]
Generic PWS.y!cpw [McAfee]
W32/Taterf-P [Sophos]
Trojan-GameThief.Win32.Magania [Ikarus]
Win32/Autorun.worm.114176.CE [AhnLab]
packed with: ASPack [Kaspersky Lab]

Technical Details:

File System Modifications

The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	c:\autorun.inf	0 bytes	MD5: 0xD41D8CD98F00B204E9800998ECF8427E SHA-1: 0xDA39A3EE5E6B4B0D3255BFEF95601890AFD80709	(not available)
2	c:\cobn8w3.exe	0 bytes	MD5: 0xD41D8CD98F00B204E9800998ECF8427E SHA-1: 0xDA39A3EE5E6B4B0D3255BFEF95601890AFD80709	(not available)
3	%Temp%\dsoqq.exe [file and pathname of the sample #1]	114,176 bytes	MD5: 0xD6EC9189D7DE3F31E759BE2BF1F48EAA SHA-1: 0x8EE999FC2ECB976AADE9674F2A7728845BEF769A	W32.Gammima.AG [Symantec] Trojan-GameThief.Win32.Magania.dohm [Kaspersky Lab] Generic PWS.y!cpw [McAfee] W32/Taterf-P [Sophos] Trojan-GameThief.Win32.Magania [Ikarus] Win32/Autorun.worm.114176.CE [AhnLab] packed with ASPack [Kaspersky Lab]
4	%Temp%\dsoqq0.dll %Temp%\dsoqq1.dll %Temp%\dsoqq2.dll	74,240 bytes	MD5: 0x26583351C661AD0B33F92ED79B5F3F91 SHA-1: 0x150752159083B7CF879C6B6FDC66D0881890D4F3	W32.Gammima.AG [Symantec] Trojan-GameThief.Win32.Magania.dhqb [Kaspersky Lab] PWS-OnlineGames.a [McAfee] Mal/Taterf-B [Sophos] Trojan-GameThief.Win32.Magania [Ikarus] Win-Trojan/Onlinegamehack5.Gen [AhnLab]

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:

Process Name	Process Filename	Main Module Size
iexplore.exe	%ProgramFiles%\Internet Explorer\iexplore.exe	102,400 bytes
[filename of the sample #1]	[file and pathname of the sample #1]	421,888 bytes
dsoqq.exe	%Temp%\dsoqq.exe	421,888 bytes
cobn8w3.exe	c:\cobn8w3.exe	421,888 bytes

Notes:

%ProgramFiles% is a variable that refers to the Program Files folder. A typical path is C:\Program Files.

Registry Modifications

The newly created Registry Value is:

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run]

dso32 = "%Temp%\dsoqq.exe"

so that dsoqq.exe runs every time Windows starts

The following Registry Value was modified:

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\Hidden\SHOWALL]

CheckedValue =

Other details

Analysis of the file resources indicate the following possible country of origin:

China

The following Host Name was requested from a host database:

192.5.5.241

The following Internet download was started (the retrieved bits are saved into the local file):

URL to be downloaded	Filename for the downloaded bits
http://www.baidunjk.com/1mg/am1.rar	%Temp%\am1.rar

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