Technical Information
To ensure autorun and distribution:
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\SftpSvc] 'ImagePath' = '%APPDATA%\Microsoft\Internet Explorer\SftpSvc.exe'
- [<HKLM>\SYSTEM\ControlSet001\Services\SftpSvc] 'Start' = '00000002'
Malicious functions:
Executes the following:
- '<SYSTEM32>\cmd.exe' /c ""%TEMP%\_uninsep.bat" "
- '%APPDATA%\Microsoft\Internet Explorer\SftpSvc.exe'
- '%APPDATA%\Microsoft\Internet Explorer\SftpSvc.exe' -i
Modifies file system:
Creates the following files:
- %TEMP%\_uninsep.bat
- %APPDATA%\Microsoft\Internet Explorer\SftpSvc.exe
Deletes itself.
Network activity:
Connects to:
- 'pa###ing.com':80
TCP:
HTTP GET requests:
- http://pa###ing.com/ServiceFile/win32k.sys0
UDP:
- DNS ASK pa###ing.com
