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%\System.exe' = '%APPDATA%\System.exe:*:Enabled:System.exe'
Creates and executes the following:
- '%APPDATA%\System.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%APPDATA%\System.exe" "System.exe" ENABLE
Modifies file system :
Creates the following files:
- %APPDATA%\System.exe
Network activity:
Connects to:
- 'sy#####pdate.sytes.net':1985
UDP:
- DNS ASK sy#####pdate.sytes.net
