Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '8e16b5932668d9952b23786517af17e8' = '"%TEMP%\Serv.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '8e16b5932668d9952b23786517af17e8' = '"%TEMP%\Serv.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\8e16b5932668d9952b23786517af17e8.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\Serv.exe' = '%TEMP%\Serv.exe:*:Enabled:Serv.exe'
Creates and executes the following:
- '%TEMP%\Serv.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\Serv.exe" "Serv.exe" ENABLE
Modifies file system :
Creates the following files:
- %TEMP%\Serv.exe
Network activity:
Connects to:
- 'th#####big.no-ip.org':1177
UDP:
- DNS ASK th#####big.no-ip.org
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
