Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'b13c850bee7a3cfb9d7d2e7f053fc72c' = '"%APPDATA%\server.exe" ..'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'b13c850bee7a3cfb9d7d2e7f053fc72c' = '"%APPDATA%\server.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\b13c850bee7a3cfb9d7d2e7f053fc72c.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%APPDATA%\server.exe' = '%APPDATA%\server.exe:*:Enabled:server.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%APPDATA%\server.exe" "server.exe" ENABLE
Modifies file system:
Creates the following files:
- %APPDATA%\server.exe
Network activity:
Connects to:
- 'sa####0k.ddns.net':1177
UDP:
- DNS ASK sa####0k.ddns.net
Miscellaneous:
Creates and executes the following:
- '%APPDATA%\server.exe'
