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HomeCybersecurity 101
Malware Analysis

What is Malware Analysis?

Written by: Monica Burgess

Published: 10/03/25

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Malware analysis is the process of examining malicious software like viruses, ransomware, and trojans to determine their purpose, functionality, and potential impact. By studying malware, cybersecurity teams can better understand how to detect, neutralize, and defend against similar threats in the future.

Purpose of malware analysis

The main goal of malware analysis is to enhance an organization’s ability to protect its systems from potential attacks. It helps security teams identify how malware infiltrated the system, uncover its objectives, and find ways to prevent recurrence. For example, if a piece of ransomware encrypts files, malware analysis will examine how the encryption process works and what vulnerabilities it exploits.

This knowledge empowers cybersecurity teams to develop stronger defenses, patch vulnerabilities, and train employees about warning signs of potential attacks. Additionally, malware analysis is critical for creating and updating threat detection tools, such as antivirus software, with the latest threat indicators.

Types of Malware analysis

  • Static analysis Static analysis involves examining the malware file without executing it. Analysts inspect metadata, code snippets, and other file properties to gather initial insights. Imagine reading blueprints before building a structure—that's what static analysis is like!

  • Dynamic analysis During dynamic analysis, the malware is executed in a controlled environment or sandbox to observe its behavior. This approach reveals how the malware interacts with systems, what files it modifies, and whether it reaches out to external servers for further instructions.

  • Code analysis Also called reverse engineering, this method involves dissecting the malware’s code to understand its logic and unique techniques. Though time-intensive, it often provides highly detailed insights into malware operations.

  • Behavioral analysis This focuses on monitoring the malware’s activities while it runs. Security experts look at altered processes, registry changes, and network activity to understand how the malware operates and its intended payload.

Stages of Malware analysis

  • Identification Identifying whether a suspicious file or software is indeed malware is the first step.

  • Static Properties Analysis Analysts examine properties like hashes, file size, and embedded strings to detect known patterns or unusual elements.

  • Dynamic Execution Once deemed safe to proceed, malware is executed in an isolated sandbox to study its runtime behavior.

  • Code Analysis Analysts deconstruct the malware code, using reverse engineering techniques to map its functionality and potential exploits.

  • Post-Analysis Documentation Findings are documented to create detailed reports. These reports include indicators of compromise (IOCs), actions malware performs, and suggested countermeasures.

Malware Analysis in Action

Malware analysis is a core part of threat hunting and incident response. At Huntressunderstanding a malware’s techniques allows responders to contain the threat and assist in remediation. Whether it’s ransomware encrypting company data or spyware collecting sensitive information, tactical malware analysis helps defend against advanced threats. .

For example, our team has detailed how analyzing malware behavior in real time provides customers with crucial insights to halt the spread of malware campaigns targeting thousands of endpoints. This type of analysis serves as the vital link between immediate incident response and proactive defense planning.

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FAQ About Malware Analysis

To understand malware functionality, identify vulnerabilities, and create effective defenses.

Analysts use static, dynamic, and code analysis techniques to study malware.

While it doesn’t stop attacks directly, it helps build defenses and improves preparedness for future threats.

It is crucial during incidents or when studying new malware variants to enhance cybersecurity measures.

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