Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '8ff329d3b76384f328979d5c88d8bff1' = '"%ALLUSERSPROFILE%\Windows System.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '8ff329d3b76384f328979d5c88d8bff1' = '"%ALLUSERSPROFILE%\Windows System.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '18.exe' = '%APPDATA%Microsoft\System\Services\18.exe'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\8ff329d3b76384f328979d5c88d8bff1.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%ALLUSERSPROFILE%\Windows System.exe' = '%ALLUSERSPROFILE%\Windows System.exe:*:Enabled:Windows System.exe'
Creates and executes the following:
- '%ALLUSERSPROFILE%\Windows System.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%ALLUSERSPROFILE%\Windows System.exe" "Windows System.exe" ENABLE
Modifies file system :
Creates the following files:
- %ALLUSERSPROFILE%\Windows System.exe
- %APPDATA%Microsoft\System\Services\18.exe
Network activity:
Connects to:
- 'un####n95.no-ip.biz':1177
UDP:
- DNS ASK un####n95.no-ip.biz
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
