Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '73e584e423276daf85659dd420032b73' = '"%HOMEPATH%\winlogon.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '73e584e423276daf85659dd420032b73' = '"%HOMEPATH%\winlogon.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\73e584e423276daf85659dd420032b73.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%HOMEPATH%\winlogon.exe' = '%HOMEPATH%\winlogon.exe:*:Enabled:winlogon.exe'
Creates and executes the following:
- '%HOMEPATH%\winlogon.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%HOMEPATH%\winlogon.exe" "winlogon.exe" ENABLE
Modifies file system :
Creates the following files:
- %HOMEPATH%\winlogon.exe
Network activity:
Connects to:
- 'ki####007.no-ip.org':1177
UDP:
- DNS ASK ki####007.no-ip.org
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
