Technical Information
To ensure autorun and distribution:
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\7c76afc44683ff8deac358cb9bc5ccff.exe
Creates the following files on removable media:
- <Drive name for removable media>:\7c76afc44683ff8deac358cb9bc5ccff.exe
- <Drive name for removable media>:\autorun.inf
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%APPDATA%\svcn.exe' = '%APPDATA%\svcn.exe:*:Enabled:svcn.exe'
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%APPDATA%\svcn.exe" "svcn.exe" ENABLE
Modifies file system:
Creates the following files:
- %APPDATA%\iptv.txt
- %APPDATA%\svcn.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\7c76afc44683ff8deac358cb9bc5ccff.exe
- <Drive name for removable media>:\autorun.inf
Network activity:
Connects to:
- 'ga####host.ddns.net':5553
- 'ha####lfc.ddns.net':5553
- 'li####osts.ddns.ne':5553
- 'wo###.zapto.org':5553
UDP:
- DNS ASK ga####host.ddns.net
- DNS ASK ha####lfc.ddns.net
- DNS ASK li####osts.ddns.ne
- DNS ASK wo###.zapto.org
Miscellaneous:
Searches for the following windows:
- ClassName: 'EDIT' WindowName: ''
Creates and executes the following:
- '%APPDATA%\svcn.exe'
Executes the following:
- '<SYSTEM32>\notepad.exe' %APPDATA%\iptv.txt
