Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'b6b525f8c5c8a57eac7a243d1d02715d' = '"%TEMP%\system.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'b6b525f8c5c8a57eac7a243d1d02715d' = '"%TEMP%\system.exe" ..'
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\system.exe' = '%TEMP%\system.exe:*:Enabled:system.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\system.exe" "system.exe" ENABLE
Modifies file system:
Creates the following files:
- %TEMP%\system.exe
Network activity:
Connects to:
- 'll####23.hopto.org':5552
UDP:
- DNS ASK ll####23.hopto.org
Miscellaneous:
Creates and executes the following:
- '%TEMP%\system.exe'
