Drops startup file

Executes dropped EXE

Reads user/profile data of web browsers

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

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.

Maps connected drives based on registry

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