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350-201 · Question #112

The SIEM tool informs a SOC team of a suspicious file. The team initializes the analysis with an automated sandbox tool, sets up a controlled laboratory to examine the malware specimen, and proceeds…

The correct answer is A. Perform static and dynamic code analysis of the specimen. After completing behavioral analysis of a malware specimen in a controlled lab, the next step in the malware analysis process is static and dynamic code analysis.

Techniques

Question

The SIEM tool informs a SOC team of a suspicious file. The team initializes the analysis with an automated sandbox tool, sets up a controlled laboratory to examine the malware specimen, and proceeds with behavioral analysis. What is the next step in the malware analysis process?

Options

  • APerform static and dynamic code analysis of the specimen.
  • BUnpack the specimen and perform memory forensics.
  • CContain the subnet in which the suspicious file was found.
  • DDocument findings and clean-up the laboratory.

How the community answered

(60 responses)
  • A
    80% (48)
  • B
    7% (4)
  • C
    10% (6)
  • D
    3% (2)

Why each option

After completing behavioral analysis of a malware specimen in a controlled lab, the next step in the malware analysis process is static and dynamic code analysis.

APerform static and dynamic code analysis of the specimen.Correct

The malware analysis process progresses from automated sandbox analysis, to behavioral analysis, and then to static and dynamic code analysis to examine the specimen's code structure and runtime behavior in depth. Static analysis inspects the binary or disassembled code without execution, while dynamic analysis monitors system calls, network activity, and memory changes during controlled execution. Together these steps reveal the malware's capabilities, obfuscation techniques, and additional indicators of compromise beyond what behavioral analysis surfaces.

BUnpack the specimen and perform memory forensics.

Unpacking and memory forensics are specialized techniques employed as part of or after static/dynamic code analysis when packing or obfuscation is detected, not as the immediate next step following behavioral analysis.

CContain the subnet in which the suspicious file was found.

Containing the subnet is an incident response action that should have been addressed during the containment phase, not a step within the malware analysis workflow itself.

DDocument findings and clean-up the laboratory.

Documenting findings and cleaning up the laboratory is the final step of the malware analysis process, performed only after all analysis phases are complete.

Concept tested: Malware analysis process stages and sequencing

Source: https://www.cisa.gov/resources-tools/resources/malware-analysis-reports

Topics

#malware analysis#static analysis#dynamic analysis#behavioral analysis

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