Reads user/profile data of web browsers

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

Checks installed software on the system

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

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.

Enumerates processes with tasklist

UPX packed file

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