Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'explorer' = '%WINDIR%\system\explorer.exe'
Malicious functions:
Creates and executes the following:
- %WINDIR%\system\explorer.exe
Executes the following:
- <SYSTEM32>\ntvdm.exe -f -i1
Modifies file system :
Creates the following files:
- %WINDIR%\Temp\scs1.tmp
- %WINDIR%\Temp\scs2.tmp
- %WINDIR%\system\mciseq.dll
- %WINDIR%\system\explorer.exe
- %WINDIR%\Temp\putty.exe
Deletes the following files:
- %WINDIR%\system\mciseq.dll
- %WINDIR%\Temp\scs2.tmp
- %WINDIR%\Temp\scs1.tmp
Network activity:
Connects to:
- 'www.cg#.pl':80
- 'ir##et.pl':6667
TCP:
HTTP GET requests:
- www.cg#.pl/lista/barometr_propozycje_dodaj_exe.php?im######################################################################################################################################
UDP:
- DNS ASK www.cg#.pl
- DNS ASK ir##et.pl
Miscellaneous:
Searches for the following windows:
- ClassName: 'ConsoleWindowClass' WindowName: 'ntvdm-9e8.9ec.380001'
