Akira Walkthrough

Your primary mission as a DFIR investigator is to fully understand the scope and impact of the ransomware incident. This includes identifying the attack type, affected systems, and defining a clear timeline and objectives. Establishing these parameters upfront is essential for focused investigation, efficient evidence gathering, and effective mitigation support.

Investigation Scope

In this case, Akira ransomware has infiltrated critical systems. A memory dump from one affected machine is available as the primary artifact, which will be used to uncover Indicators of Compromise (IOCs), trace the ransomware's entry, and gauge the extent of malicious activities.

Recommended Tools

  • Volatility 3: An advanced memory forensics framework for comprehensive RAM analysis.
  • MemProcFS: Mounts memory as a virtual file system, offering direct access to processes, system data, and other artifacts, simplifying analysis.
  • Timeline Explorer and EvtxECmd: Key for event log analysis, helping reconstruct the incident timeline from log files.
  • R-Studio: A file recovery tool also useful in memory forensics for retrieving deleted or overwritten files with critical artifacts.

MemProcFS: A Game-Changer in Memory Forensics

MemProcFS redefines memory forensics by enabling memory dumps to be mounted as virtual file systems, offering immediate, organized access to key data such as processes, registry hives, and network connections in a familiar directory structure. Unlike traditional tools that require individual plugin runs for each artifact, MemProcFS automates data extraction, streamlining both navigation and analysis.

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