Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'db9a5fb256f09f9434d1572a663ef183' = '"%APPDATA%\WinSytem.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'db9a5fb256f09f9434d1572a663ef183' = '"%APPDATA%\WinSytem.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\db9a5fb256f09f9434d1572a663ef183.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%APPDATA%\WinSytem.exe' = '%APPDATA%\WinSytem.exe:*:Enabled:WinSytem.exe'
Creates and executes the following:
- '%APPDATA%\WinSytem.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%APPDATA%\WinSytem.exe" "WinSytem.exe" ENABLE
Modifies file system :
Creates the following files:
- %APPDATA%\WinSytem.exe
Network activity:
Connects to:
- 'tr#####.servegame.com':1177
UDP:
- DNS ASK tr#####.servegame.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
