Checks computer location settings

Looks up country code configured in the registry, likely geofence.

Executes dropped EXE

Adds Run key to start application

Contacts third-party web service commonly abused for C2

Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

Enumerates connected drives

Attempts to read the root path of hard drives other than the default C: drive.

Writes to the Master Boot Record (MBR)

Bootkits write to the MBR to gain persistence at a level below the operating system.

Sets desktop wallpaper using registry

UPX packed file

Detects executables packed with UPX/modified UPX open source packer.