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Virus:TR/Spy.180224.163
Date discovered:05/08/2010
Type:Trojan
In the wild:Yes
Reported Infections:Low
Distribution Potential:Low
Damage Potential:Medium
Static file:Yes
File size:180.224 Bytes
MD5 checksum:CAD9C2BE27D0F926DD7E9AF7CE50358F
VDF version:7.10.04.103
IVDF version:7.10.10.80 - Thursday, August 5, 2010

 General Method of propagation:
   • No own spreading routine


Aliases:
   •  TrendMicro: TROJ_DANTMIL.A
   •  Sophos: Troj/VBAgent-H
   •  Microsoft: Trojan:Win32/Dantmil.A


Platforms / OS:
   • Windows 2000
   • Windows XP
   • Windows 2003


Side effects:
   • Third party control
   • Drops files
   • Registry modification

 Files It copies itself to the following location:
   • %APPDATA%\726t.exe



It deletes the initially executed copy of itself.



The following files are created:

– %APPDATA%\MouseDriver.bat
– %APPDATA%\mdinstall.inf
– %APPDATA%\yq5ys18ww.bat
– %APPDATA%\i45zg1k.log

 Registry One of the following values is added in order to run the process after reboot:

–  [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
   • "9gsit"="%APPDATA%\726t.exe"



The following registry key is added:

– [HKLM\SOFTWARE\tgs90gv74r]
   • "tgs90gv74rexepath"="%APPDATA%\726t.exe"
   • "tgs90gv74rpath"="%APPDATA%\"



The following registry keys are changed:

– [HKLM\SYSTEM\ControlSet001\Services\Eventlog\Application\ESENT]
   New value:
   • "EventMessageFile"="%SYSDIR%\ESENT.dll"
   • "CategoryMessageFile"="%SYSDIR%\ESENT.dll"
   • "CategoryCount"=dword:00000010
   • "TypesSupported"=dword:00000007

– [HKLM\SYSTEM\ControlSet001\Services\Eventlog\Application\ESENT]
   New value:
   • "EventMessageFile"="%SYSDIR%\ESENT.dll"
   • "CategoryMessageFile"="%SYSDIR%\ESENT.dll"
   • "CategoryCount"=dword:00000010
   • "TypesSupported"=dword:00000007

– [HKLM\SYSTEM\ControlSet001\Services\Eventlog\Application\ESENT]
   New value:
   • "EventMessageFile"="%SYSDIR%\ESENT.dll"
   • "CategoryMessageFile"="%SYSDIR%\ESENT.dll"
   • "CategoryCount"=dword:00000010
   • "TypesSupported"=dword:00000007

 Backdoor Contact server:
The following:
   • **********leardiscover.com:888


 Miscellaneous Mutex:
It creates the following Mutex:
   • 726t.exe9gsit%

 File details Programming language:
The malware program was written in Visual Basic.

Description inserted by Andrei Ilie on Wednesday, September 7, 2011
Description updated by Andrei Ilie on Wednesday, September 7, 2011

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