Checks BIOS information in registry

BIOS information is often read in order to detect sandboxing environments.

Checks computer location settings

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

Executes dropped EXE

UPX packed file

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

Checks installed software on the system

Looks up Uninstall key entries in the registry to enumerate software on the system.

Checks whether UAC is enabled

Indicator Removal: File Deletion

Adversaries may delete files left behind by the actions of their intrusion activity.

Legitimate hosting services abused for malware hosting/C2

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