Reads data files stored by FTP clients

Tries to access configuration files associated with programs like FileZilla.

Reads user/profile data of local email clients

Email clients store some user data on disk where infostealers will often target it.

Reads user/profile data of web browsers

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

Accesses Microsoft Outlook profiles

Legitimate hosting services abused for malware hosting/C2

Looks up external IP address via web service

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