Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '772d3e1cf411932582ba4607caf9d2f7' = '"%TEMP%\ Explorer.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '772d3e1cf411932582ba4607caf9d2f7' = '"%TEMP%\ Explorer.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\772d3e1cf411932582ba4607caf9d2f7.exe
Creates the following files on removable media:
- <Drive name for removable media>:\772d3e1cf411932582ba4607caf9d2f7.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\ Explorer.exe' = '%TEMP%\ Explorer.exe:*:Enabled: Explorer.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\ Explorer.exe" " Explorer.exe" ENABLE
Modifies file system:
Creates the following files:
- %TEMP%\ Explorer.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\772d3e1cf411932582ba4607caf9d2f7.exe
Network activity:
Connects to:
- '19#.#7.49.57':443
Miscellaneous:
Creates and executes the following:
- '%TEMP%\ Explorer.exe'