Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'df9784bf4b4a1198fdf87f211b2e48ae' = '"%TEMP%\orcus rat.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'df9784bf4b4a1198fdf87f211b2e48ae' = '"%TEMP%\orcus rat.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\df9784bf4b4a1198fdf87f211b2e48ae.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\orcus rat.exe' = '%TEMP%\orcus rat.exe:*:Enabled:orcus rat.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\orcus rat.exe" "orcus rat.exe" ENABLE
- '%TEMP%\orcus rat.exe'
Modifies file system:
Creates the following files:
- %TEMP%\orcus rat.exe
Network activity:
Connects to:
- 'ba####4.hopto.org':5552
UDP:
- DNS ASK ba####4.hopto.org
