File and Directory Permissions Modification

Adversaries may modify file or directory permissions to evade defenses.

Executes dropped EXE

Checks hardware identifiers (DMI)

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

Contacts third-party web service commonly abused for C2

Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

Creates/modifies environment variables

Creating/modifying environment variables is a common persistence mechanism.

Enumerates running processes

Discovers information about currently running processes on the system

Reads hardware information

Accesses system info like serial numbers, manufacturer names etc.

Modifies Bash startup script