Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'd4419a4f5efb7dd082a15a3bc8803045' = '"%TEMP%\svchost.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'd4419a4f5efb7dd082a15a3bc8803045' = '"%TEMP%\svchost.exe" ..'
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\svchost.exe' = '%TEMP%\svchost.exe:*:Enabled:svchost.exe'
Creates and executes the following:
- '%TEMP%\svchost.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\svchost.exe" "svchost.exe" ENABLE
Modifies file system :
Creates the following files:
- %TEMP%\svchost.exe
Network activity:
Connects to:
- 'ha###.zapto.org':777
UDP:
- DNS ASK ha###.zapto.org
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
- ClassName: 'Indicator' WindowName: '(null)'
