Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Defender Updater Utility' = '%ALLUSERSPROFILE%\Application Data\Defender Utility\defupdater.exe'
Modifies file system:
Creates the following files:
- %ALLUSERSPROFILE%\Application Data\Defender Utility\defupdater.exe
Network activity:
Connects to:
- 'st##k.xyz':443
- 'wp#d':80
TCP:
HTTP GET requests:
- http://11#.#11.111.1/wpad.dat via wp#d
UDP:
- DNS ASK st##k.xyz
- DNS ASK wp#d
Miscellaneous:
Creates and executes the following:
- '%ALLUSERSPROFILE%\Application Data\Defender Utility\defupdater.exe'
