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Malware Analysis Techniques

You're reading from   Malware Analysis Techniques Tricks for the triage of adversarial software

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Product type Paperback
Published in Jun 2021
Publisher Packt
ISBN-13 9781839212277
Length 282 pages
Edition 1st Edition
Languages
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Author (1):
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Dylan Barker Dylan Barker
Author Profile Icon Dylan Barker
Dylan Barker
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Toc

Table of Contents (17) Chapters Close

Preface 1. Section 1: Basic Techniques
2. Chapter 1: Creating and Maintaining your Detonation Environment FREE CHAPTER 3. Chapter 2: Static Analysis – Techniques and Tooling 4. Chapter 3: Dynamic Analysis – Techniques and Tooling 5. Chapter 4: A Word on Automated Sandboxing 6. Section 2: Debugging and Anti-Analysis – Going Deep
7. Chapter 5: Advanced Static Analysis – Out of the White Noise 8. Chapter 6: Advanced Dynamic Analysis – Looking at Explosions 9. Chapter 7: Advanced Dynamic Analysis Part 2 – Refusing to Take the Blue Pill 10. Chapter 8: De-Obfuscating Malicious Scripts: Putting the Toothpaste Back in the Tube 11. Section 3: Reporting and Weaponizing Your Findings
12. Chapter 9: The Reverse Card: Weaponizing IOCs and OSINT for Defense 13. Chapter 10: Malicious Functionality: Mapping Your Sample to MITRE ATT&CK 14. Section 4: Challenge Solutions
15. Chapter 11: Challenge Solutions 16. Other Books You May Enjoy

Chapter 4 – A Word on Automated Sandboxing

In Chapter 4, we discussed automated sandboxing. You were tasked with utilizing Cuckoo and a sample of the Locky ransomware to answer several questions about the characteristics of the binary. The answers are as follows:

  1. The sample appears to contact random domain names. This could be an attempt to ascertain via DNS whether or not a network is being emulated by a malware analyst as opposed to a live connection.
  2. The sample is packed. The leading indicator of a packed sample in this instance is the relatively high entropy of the PE sections shown in Cuckoo.
  3. The SHA256 of the unpacked binary in memory should be e1e9a4cc4dcbeb8 d07bb1209f071acc88584e6b405b887a20b00dd7fa7561ce7, which should be revealed in the Dropped Buffers section of Cuckoo.
  4. There are several indicators within the binary, but one in particular stands out in the Strings section of Cuckoo – a seemingly randomly generated PDB file string: Z:\as...
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