Book Image

Malware Analysis Techniques

By : Dylan Barker
Book Image

Malware Analysis Techniques

By: Dylan Barker

Overview of this book

Malicious software poses a threat to every enterprise globally. Its growth is costing businesses millions of dollars due to currency theft as a result of ransomware and lost productivity. With this book, you'll learn how to quickly triage, identify, attribute, and remediate threats using proven analysis techniques. Malware Analysis Techniques begins with an overview of the nature of malware, the current threat landscape, and its impact on businesses. Once you've covered the basics of malware, you'll move on to discover more about the technical nature of malicious software, including static characteristics and dynamic attack methods within the MITRE ATT&CK framework. You'll also find out how to perform practical malware analysis by applying all that you've learned to attribute the malware to a specific threat and weaponize the adversary's indicators of compromise (IOCs) and methodology against them to prevent them from attacking. Finally, you'll get to grips with common tooling utilized by professional malware analysts and understand the basics of reverse engineering with the NSA's Ghidra platform. By the end of this malware analysis book, you’ll be able to perform in-depth static and dynamic analysis and automate key tasks for improved defense against attacks.
Table of Contents (17 chapters)
Section 1: Basic Techniques
Section 2: Debugging and Anti-Analysis – Going Deep
Section 3: Reporting and Weaponizing Your Findings
Section 4: Challenge Solutions

Identifying anti-analysis techniques

In creating their malware, it's in the author's best interest to do everything possible to increase the difficulty of analyzing the sample for malware analysts.

To this end, malware authors sometimes employ tricks that allow them to check whether the machine is a VM, what tools are running, whether the mouse is moving, and several other tactics for ascertaining whether or not the binary is being analyzed.

Examining binaries in Ghidra for anti-analysis techniques

Some malware will utilize several API calls baked-in to Microsoft Windows to obtain a list of running processes. As malware analysts, we are far more likely to be running "suspicious" processes that are meant to monitor the behavior of malicious executables on our systems.

As we've seen in previous chapters, tools such as RegShot, WireShark, and Process Monitor are often running on our machines as analysts. It only makes sense for a malware author to...