Deletes itself

Unexpected DNS network traffic destination

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

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

Modifies init.d

Adds/modifies system service, likely for persistence.

Reads MAC address of network interface

Fetches the MAC address of active network interfaces. May be used to detect known values for hypervisors.

Reads process memory

Read the memory of a process through the /proc virtual filesystem. This can be used to steal credentials.