Technical Information
To ensure autorun and distribution:
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\medialoader] 'Start' = '00000002'
- [<HKLM>\SYSTEM\ControlSet001\Services\medialoader] 'ImagePath' = '<SYSTEM32>\svchost.exe -k XLServant'
- [<HKLM>\SYSTEM\ControlSet001\Services\medialoader\Parameters] 'ServiceDll' = '%ALLUSERSPROFILE%\Medialoader\\Shell.dll'
Modifies file system:
Creates the following files:
- %TEMP%\nsj2.tmp
- %TEMP%\nso3.tmp\System.dll
- %ALLUSERSPROFILE%\Medialoader\shell.dll
- %ALLUSERSPROFILE%\Medialoader\data.dat
- %ALLUSERSPROFILE%\Medialoader\ser.dat
Deletes the following files:
- %TEMP%\nso3.tmp\System.dll
- <Full path to file>
Network activity:
Connects to:
- 'localhost':80
TCP:
HTTP POST requests:
- http://12#.0.0.1/ via localhost
Miscellaneous:
Executes the following:
- '<SYSTEM32>\svchost.exe' -k XLServant
- '<SYSTEM32>\cmd.exe' /c ping 127.0.0.1&del "<Full path to file>"
- '<SYSTEM32>\ping.exe' 127.0.0.1
