TA0009 · COLLECTION
Data from Removable Media
Adversaries may search connected removable media on computers they have compromised to find files of interest.
Detect it with
Monitor processes and command-line arguments for actions that could be taken to collect files from a system's connected removable media. Remote access tools with built-in features may interact directly with the Windows API to gather data.
Why it matters on shift
Data from Removable Media is one of the concrete ways adversaries achieve collection. 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 collection, the next tactic is usually Command and Control. Search your telemetry for the transition before closing the ticket.
Kill-chain context