Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'bc451604d8cb9c3fc61864494eefe22b' = '"%APPDATA%\Windows.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'bc451604d8cb9c3fc61864494eefe22b' = '"%APPDATA%\Windows.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\bc451604d8cb9c3fc61864494eefe22b.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.exe' = '%APPDATA%\Windows.exe:*:Enabled:Windows.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%APPDATA%\Windows.exe" "Windows.exe" ENABLE
Modifies file system:
Creates the following files:
- %APPDATA%\Windows.exe
Network activity:
Connects to:
- 'ca######stcall.duckdns.org':94
UDP:
- DNS ASK ca######stcall.duckdns.org
Miscellaneous:
Creates and executes the following:
- '%APPDATA%\Windows.exe'
