Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'a1173358e5d76dd5e8f569324c31a834' = '"%APPDATA%\System34.exe" ..'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'a1173358e5d76dd5e8f569324c31a834' = '"%APPDATA%\System34.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\a1173358e5d76dd5e8f569324c31a834.exe
Creates the following files on removable media:
- <Drive name for removable media>:\a1173358e5d76dd5e8f569324c31a834.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%APPDATA%\System34.exe' = '%APPDATA%\System34.exe:*:Enabled:System34.e...
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%APPDATA%\System34.exe" "System34.exe" ENABLE
Modifies file system:
Creates the following files:
- %APPDATA%\System34.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\a1173358e5d76dd5e8f569324c31a834.exe
Network activity:
Connects to:
- 'ha####782.ddns.net':8080
UDP:
- DNS ASK ha####782.ddns.net
Miscellaneous:
Creates and executes the following:
- '%APPDATA%\System34.exe'
File is protected with Themida® packer from Oreans® Tecnologies.