Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '2f1a8e1b68acc1067188f60ceb51d1e3' = '"%APPDATA%\rundll32.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '2f1a8e1b68acc1067188f60ceb51d1e3' = '"%APPDATA%\rundll32.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\2f1a8e1b68acc1067188f60ceb51d1e3.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%APPDATA%\rundll32.exe' = '%APPDATA%\rundll32.exe:*:Enabled:rundll32.exe'
Creates and executes the following:
- '%APPDATA%\rundll32.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%APPDATA%\rundll32.exe" "rundll32.exe" ENABLE
Modifies file system :
Creates the following files:
- %APPDATA%\rundll32.exe
Network activity:
Connects to:
- 'li####.no-ip.org':9230
UDP:
- DNS ASK li####.no-ip.org
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
