You're reading from Incident Response Techniques for Ransomware Attacks Understand modern ransomware attacks and build an incident response strategy to work through them

Product type Paperback

Published in Apr 2022

Publisher Packt

ISBN-13 9781803240442

Length 228 pages

Edition 1st Edition

Concepts

Cybersecurity

Author (1):

Oleg Skulkin

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Table of Contents (17) Chapters

Preface

1. Section 1: Getting Started with a Modern Ransomware Attack

2. Chapter 1: The History of Human-Operated Ransomware Attacks FREE CHAPTER

3. Chapter 2: The Life Cycle of a Human-Operated Ransomware Attack

4. Chapter 3: The Incident Response Process

5. Section 2: Know Your Adversary: How Ransomware Gangs Operate

6. Chapter 4: Cyber Threat Intelligence and Ransomware

7. Chapter 5: Understanding Ransomware Affiliates' Tactics, Techniques, and Procedures

8. Chapter 6: Collecting Ransomware-Related Cyber Threat Intelligence

9. Section 3: Practical Incident Response

10. Chapter 7: Digital Forensic Artifacts and Their Main Sources

11. Chapter 8: Investigating Initial Access Techniques

12. Chapter 9: Investigating Post-Exploitation Techniques

13. Chapter 10: Investigating Data Exfiltration Techniques

14. Chapter 11: Investigating Ransomware Deployment Techniques

15. Chapter 12: The Unified Ransomware Kill Chain

16. Other Books You May Enjoy

Investigating the use of custom data exfiltration tools

In 2021, some representatives of popular ransomware-as-a-service programs introduced custom data exfiltration tools as an addition to the ransomware itself. One notable example is StealBit, an information stealer distributed as part of LockBit 2.0 RaaS. Other examples include Sidoh, which was used by Ryuk ransomware affiliates, and ExMatter, which was used by BlackMatter ransomware affiliates.

Figure 10.15 – StealBit information from LockBit 2.0 DLS

In some cases, it's really easy to spot during incident investigations – ransomware affiliates may use an executable named StealBit.exe. So, you can extract information from various sources of evidence of execution you are already well aware of, and search for files with similar names. If the threat actors prefer to use masquerading techniques, just focus on staging folders used by the attackers, or use timelines to find pivot points.

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You're reading from Incident Response Techniques for Ransomware Attacks Understand modern ransomware attacks and build an incident response strategy to work through them

Table of Contents (17) Chapters

Investigating the use of custom data exfiltration tools

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You're reading from Incident Response Techniques for Ransomware Attacks Understand modern ransomware attacks and build an incident response strategy to work through them

Table of Contents (17) Chapters

Investigating the use of custom data exfiltration tools

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