Volatility is the de facto memory forensics framework. Versions 2 (Python 2) and 3 (Python 3) are both still seen in the field. It parses raw memory captures (.mem, .raw, .vmem, .dmp) for Windows, Linux, and macOS.
Plugins every CySA+ candidate should know:
pslist,pstree,psscan— process listing (cross-validating user-mode list with kernel-pool scan).netscan/netstat— open sockets and listeners.cmdline,consoles,cmdscan— recovered command-line history.malfind— hidden injected code.dumpfiles,procdump— extract artefacts for further analysis.hivelist,printkey,hashdump— registry forensics from RAM.