Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce] 'wextract_cleanup0' = 'rundll32.exe <SYSTEM32>\advpack.dll,DelNodeRunDLL32 "%TEMP%\IXP000.TMP\"'
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\windowXP] 'Start' = '00000002'
Malicious functions:
Creates and executes the following:
- '%WINDIR%\winxp\xp'
- '%TEMP%\IXP000.TMP\6s.exe'
Modifies file system :
Creates the following files:
- %WINDIR%\winxp\xp
- %TEMP%\IXP000.TMP\6s.exe
Sets the 'hidden' attribute to the following files:
- %WINDIR%\winxp\xp
Deletes the following files:
- %TEMP%\IXP000.TMP\6s.exe
Network activity:
Connects to:
- 'un##.3322.org':8000
UDP:
- DNS ASK un##.3322.org
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
