Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '9f511407add10ae7996837c86ab169c3' = '"%APPDATA%\Dllhost.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '9f511407add10ae7996837c86ab169c3' = '"%APPDATA%\Dllhost.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\9f511407add10ae7996837c86ab169c3.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%APPDATA%\Dllhost.exe' = '%APPDATA%\Dllhost.exe:*:Enabled:Dllhost.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%APPDATA%\Dllhost.exe" "Dllhost.exe" ENABLE
Modifies file system:
Creates the following files:
- %APPDATA%\Dllhost.exe
Network activity:
Connects to:
- 'sy######nux.blogsite.xyz':442
UDP:
- DNS ASK sy######nux.blogsite.xyz
Miscellaneous:
Creates and executes the following:
- '%APPDATA%\Dllhost.exe'
