Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '0cf3ddd4471c48c2f995c223fa9f74c0' = '"%TEMP%\server.exe" ..'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '0cf3ddd4471c48c2f995c223fa9f74c0' = '"%TEMP%\server.exe" ..'
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\server.exe' = '%TEMP%\server.exe:*:Enabled:server.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\server.exe" "server.exe" ENABLE
Modifies file system:
Creates the following files:
- %TEMP%\server.exe
Network activity:
Connects to:
- 'ka##.#lackunix.com':1723
UDP:
- DNS ASK ka##.#lackunix.com
Miscellaneous:
Creates and executes the following:
- '%TEMP%\server.exe'
