Modifies file permissions

Reads user/profile data of web browsers

Infostealers often target stored browser data, which can include saved credentials etc.

Downloads MZ/PE file

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.

Checks computer location settings

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

Suspicious use of NtSetInformationThreadHideFromDebugger