Executes dropped EXE

Loads dropped DLL

Checks whether UAC is enabled

Contacts third-party web service commonly abused for C2

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

Drops desktop.ini file(s)

Writes to the Master Boot Record (MBR)

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