Deletes Audit logs

Deletes logs related to the Linux Audit framework.

Deletes system logs

Deletes log file which contains global system messages. Adversaries may delete system logs to minimize their footprint.

Executes dropped EXE

Loads a kernel module

Loads a Linux kernel module, potentially to achieve persistence

Writes DNS configuration

Writes data to DNS resolver config file.

Attempts to change immutable files

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

Checks CPU configuration

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

Checks hardware identifiers (DMI)

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

Creates/modifies environment variables

Creating/modifying environment variables is a common persistence mechanism.

Deletes log files

Deletes log files on the system.

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 CPU attributes

Reads hardware information

Accesses system info like serial numbers, manufacturer names etc.

Modifies Bash startup script