Checks BIOS information in registry

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

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.

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.

Suspicious use of SetThreadContext