About this episode

This episode covers Windows Prefetch and its significance in forensic analysis, including how it tracks application execution and its value in detecting evidence tampering.

In this lesson, you’ll learn about: Windows Prefetch and forensic execution tracking1. What is Windows Prefetch? A Windows performance feature designed to: Speed up application startup Reduce disk access time 🔹 Key Idea It becomes a forensic artifact that records program execution 2. How Prefetch Works Windows monitors the first seconds of an application launch It records: Files accessed Execution behavior patterns 👉 Result: A cached “startup map” is created for faster future runs 3. Prefetch File Structure🔹 Naming Format Application name + hash The hash is an 8-character hexadecimal value 🔹 Purpose of the Hash Derived from the application path Helps differentiate: Same program in different locations 👉 Key Insight: Same executable in different folders = different Prefetch file 4. Forensic Value of Prefetch🔹 What investigators can determine When a program was executed How many times it was run Whether it ran from unusual locations 5. The “Who, What, When” of Forensics🔹 Key Questions Answered Who: Which program was executed What: Which executable was run When: Last execution timestamp 👉 Important: Prefetch is one of the strongest execution evidence sources in Windows 6…

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