# Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one # or more contributor license agreements. Licensed under the Elastic License # 2.0; you may not use this file except in compliance with the Elastic License # 2.0. # Name: Memory Dump via Comsvcs # RTA: comsvcs_dump.py # ATT&CK: T1117 # Description: Invokes comsvcs.dll with rundll32.exe to mimic creating a process MiniDump. import os import time from . import common @common.requires_os(common.WINDOWS) def main(): common.log("Memory Dump via Comsvcs") pid = os.getpid() common.execute(["powershell.exe", "-c", "rundll32.exe", "C:\\Windows\\System32\\comsvcs.dll", "MiniDump", "{} dump.bin full".format(pid)]) time.sleep(1) common.remove_file("dump.bin") if __name__ == "__main__": exit(main())