Have you ever wondered how some malware variants are able to delete themselves? A malicious executable is launched on a machine, and once launched in memory, the executable vanishes. This makes malware analysis very hard if no memory dump was taken, as there is seemingly nothing there. We can however use other artefacts to confirm the running of a non-existent file, such as by looking at the Prefetch files, User Assist files and certain registry entries.

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Lots of apologies that I haven’t been blogging lately. I have recently got married, and as you can imagine that has taken up a lot of my time! I’m currently doing a course called the Certified Malware Investigator run by 7Safe, and one of the practical exercises in today’s session was on Alternate Data Streams (ADSs). I’ve been playing around with these and here is a quick summary!

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