Creates a file in the Startup directory

A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

Executes dropped EXE

Loads dropped DLL

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.

Writes to the Master Boot Record (MBR)

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

Drops file in System32 directory