ThreatExpert Report

Submission Summary:

Submission details:

Submission received: 31 October 2009, 12:29:34
Processing time: 5 min 58 sec
Submitted sample:

File MD5: 0xD4C0EE56144A2F767A6112FBE3D69102
File SHA-1: 0xDFB57B12A1DBF551A46A387FF38B204A70C7A054
Filesize: 45,056 bytes

Summary of the findings:

What's been found	Severity Level
Downloads/requests other files from Internet.

Technical Details:

File System Modifications

The following files were created in the system:

#	Filename(s)	File Size	File Hash
1	[file and pathname of the sample #1] %System%\tfimbhhp.exe	45,056 bytes	MD5: 0xD4C0EE56144A2F767A6112FBE3D69102 SHA-1: 0xDFB57B12A1DBF551A46A387FF38B204A70C7A054
2	%Windir%\Tasks\xsimnmo.job	266 bytes	MD5: 0x36164AE2FCB8C75B6DE4D433240D8A57 SHA-1: 0xD34CF8E09976F8906DA388AC76489220678E59D2

Notes:

%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).
%Windir% is a variable that refers to the Windows installation folder. By default, this is C:\Windows or C:\Winnt.

Registry Modifications

The following Registry Keys were created:

HKEY_CURRENT_USER\Software\Microsoft\MediaPlayer\DropDown
HKEY_CURRENT_USER\Software\Microsoft\MediaPlayer\DropDown\Skins
HKEY_CURRENT_USER\Software\xsimnmo

The newly created Registry Values are:

[HKEY_CURRENT_USER\Software\Microsoft\MediaPlayer\DropDown\Skins]

NTDS = "31"
Timeout = "3"
base = "xsimnmo"

[HKEY_CURRENT_USER\Software\xsimnmo]

EditPath = "[file and pathname of the sample #1]"

Other details

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

Republic of Korea

There were registered attempts to establish connection with the remote hosts. The connection details are:

Remote Host	Port Number
221.143.43.200	80
221.143.43.201	80

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

http://kwtoolbar.com/modlueol/koooq/foboura4.lir
http://kwtoolbar.com/modlueol/rwgnhan/ixjsysr4.exe
http://www.accelget.com/modlueol/koooq/foboura4.lir
http://www.accelget.com/modlueol/rwgnhan/ixjsysr4.exe

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