Technical Information
To ensure autorun and distribution:
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\7c4071c2e3dec9fe5297494c27a66553.exe
Creates the following files on removable media:
- <Drive name for removable media>:\7c4071c2e3dec9fe5297494c27a66553.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] '<Full path to file>' = '<Full path to file>:*:Enabled:<File name>.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 "<Full path to file>" "<File name>.exe" ENABLE
Modifies file system:
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\7c4071c2e3dec9fe5297494c27a66553.exe
- <Drive name for removable media>:\autorun.inf
- <Full path to file>
- %HOMEPATH%\Start Menu\Programs\Startup\7c4071c2e3dec9fe5297494c27a66553.exe
Network activity:
Connects to:
- 'ga####host.ddns.net':5553
- 'ha####lfc.ddns.net':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