Checks computer location settings

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

Executes dropped EXE

Contacts third-party web service commonly abused for C2

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

Looks up external IP address via web service

Uses a legitimate IP lookup service to find the infected system's external IP.

Maps connected drives based on registry

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

UPX packed file

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