TA0002 · EXECUTION
Malicious File
An adversary may rely upon a user opening a malicious file in order to gain execution. Users may be subjected to social engineering to get them to open a file that will lead to code execution.
Detect it with
Monitor the execution of and command-line arguments for applications that may be used by an adversary to gain initial access that require user interaction.
Why it matters on shift
Malicious File is one of the concrete ways adversaries achieve execution. Recognising it in telemetry lets you name the technique in your ticket and pivot to what came before and after.
What to look for next
After execution, the next tactic is usually Persistence. Search your telemetry for the transition before closing the ticket.
Kill-chain context