File and Directory Permissions Modification

Adversaries may modify file or directory permissions to evade defenses.

Executes dropped EXE

Attempts to change immutable files

Modifies inode attributes on the filesystem to allow changing of immutable files.

Checks hardware identifiers (DMI)

Checks DMI information which indicate if the system is a virtual machine.

Creates/modifies Cron job

Cron allows running tasks on a schedule, and is commonly used for malware persistence.

Enumerates running processes

Discovers information about currently running processes on the system

Looks up external IP address via web service

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

Reads hardware information

Accesses system info like serial numbers, manufacturer names etc.