Technical Information
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%APPDATA%\XkNlZGJZXl8x\GNFXZNA.EXE' = '%APPDATA%\XkNlZGJZXl8x\GNFXZNA....
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
Executes the following:
- '<SYSTEM32>\ping.exe' 127.0.0.1 -n 3
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%APPDATA%\XkNlZGJZXl8x\gnfxzna.exe" XkNlZGJZXl8x ENABLE
- '%APPDATA%\XkNlZGJZXl8x\GNFXZNA.EXE'
- '<SYSTEM32>\cmd.exe'
Modifies file system:
Creates the following files:
- %APPDATA%\XkNlZGJZXl8x\GNFXZNA.EXE
Deletes the following files:
- %APPDATA%\XkNlZGJZXl8x\GNFXZNA.EXE
Deletes itself.
