Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'd31d6af8fab02631ee29550cf5288cf1' = '"%TEMP%\svchost.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'd31d6af8fab02631ee29550cf5288cf1' = '"%TEMP%\svchost.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\d31d6af8fab02631ee29550cf5288cf1.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\svchost.exe' = '%TEMP%\svchost.exe:*:Enabled:svchost.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\svchost.exe" "svchost.exe" ENABLE
Modifies file system:
Creates the following files:
- %TEMP%\svchost.exe
Sets the 'hidden' attribute to the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\d31d6af8fab02631ee29550cf5288cf1.exe
- %TEMP%\svchost.exe
Network activity:
Connects to:
- 'fa###.ddns.net':1177
UDP:
- DNS ASK fa###.ddns.net
Miscellaneous:
Creates and executes the following:
- '%TEMP%\svchost.exe'
