Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'dolsaw' = 'rundll32.exe "<LS_APPDATA>\dolsaw.dll",dolsaw'
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<SYSTEM32>\rundll32.exe' = '<SYSTEM32>\rundll32.exe:*:Enabled:rundll32...
Executes the following:
- '<SYSTEM32>\netsh.exe' advfirewall firewall add rule name="Rundll32" dir=out action=allow protocol=any program="<SYSTEM32>\rundll32.exe"
