Modifies PAM framework files

Modifies Linux PAM framework files, possibly to intercept credentials.

OS Credential Dumping

Adversaries may attempt to dump credentials to use it in password cracking.

Runs EXE from memory

Runs an executable from memory, likely to minimize footprint

Abuse Elevation Control Mechanism: Sudo and Sudo Caching

Abuse sudo or cached sudo credentials to execute code.

Adds a user to the system

Checks hardware identifiers (DMI)

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

Checks mountinfo of local process

Checks mountinfo of running processes which indicate if it is running in chroot jail.

Creates/modifies Cron job

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

Deletes log files

Deletes log files on the system.

Enumerates running processes

Discovers information about currently running processes on the system

Modifies systemd

Adds/ modifies systemd service files. Likely to achieve persistence.

Reads hardware information

Accesses system info like serial numbers, manufacturer names etc.

Reads list of loaded kernel modules

Reads the list of currently loaded kernel modules, possibly to detect virtual environments.

Write file to user bin folder

Writes file to system bin folder

Reads process memory

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

UPX packed file

Detects executables packed with UPX/modified UPX open source packer.