Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '908c677e5c323e98e6d8f1be8c979de0' = '"%APPDATA%\Windows Defender.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '908c677e5c323e98e6d8f1be8c979de0' = '"%APPDATA%\Windows Defender.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\908c677e5c323e98e6d8f1be8c979de0.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%APPDATA%\Windows Defender.exe' = '%APPDATA%\Windows Defender.exe:*:En...
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%APPDATA%\Windows Defender.exe" "Windows Defender.exe" ENABLE
- '%APPDATA%\Windows Defender.exe'
Modifies file system:
Creates the following files:
- %APPDATA%\Windows Defender.exe
Network activity:
Connects to:
- 'sk####osta.ddns.net':5577
UDP:
- DNS ASK sk####osta.ddns.net
