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Course Instructor: Ashish Revar

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Fundamentals of Malware Analysis
LearnREMAUnit 25

Topic 2.5 of Fundamentals of Malware Analysis

Import Address Table (IAT) Analysis

Reading the IAT to infer malware behaviour before execution — suspicious API patterns, what a stripped IAT indicates, API hashing, and capability mapping with Capa.

~25 min total·4 quadrants of structured content

By the end of this topic, you will

  • Explain the role of the IAT and how Windows populates it at load time
  • Identify at least eight suspicious API functions and describe what each implies
  • Explain what a stripped IAT containing only LoadLibraryA and GetProcAddress means
  • Describe how API hashing hides imports from static analysis
  • Use Capa output to map a binary to MITRE ATT&CK techniques
  • Apply the four-step IAT analysis workflow to a new sample
Q1 · E-TUTORIAL (1)Q2 · E-CONTENT (1)Q3 · WEB RESOURCES (8)Q4 · SELF-ASSESSMENT (2)

Quadrant 1 · e-Tutorial

Video lectures and walkthroughs

Quick Bite

Quadrant 2 · e-Content

Articles and case studies

Education

Import Address Table (IAT) Analysis

Reading the IAT to infer malware behaviour before execution — suspicious API patterns, what a stripped IAT means, and how to use PEStudio to map capabilities from imports alone.

15 min read

Quadrant 3 · Web Resources

Downloadable material and curated external links

Downloadable reference material

EBook

REMA eBook 2026

v1.0

Open resource

Cheatsheet

REMA Cheatsheet 2026

v1.0

Open resource

MCQ Bank

REMA MCQ Bank 2026

v1.0

Open resource

Question Bank

REMA Question Bank 2026

v1.0

Open resource

Featured Podcast

Podcast Episode

Malware Blueprints in Portable Executable Headers

A deep dive into the Portable Executable (PE) structure used by Windows binaries — how analysts decode executable metadata to uncover malicious intent, compiler behaviour, packing indicators, and execution flow.

Listen now

External links

Capa — Mandiant Capability Detection

Run against any PE to get MITRE ATT&CK mapped capabilities. Works even when imports are partially stripped.

MITRE ATT&CK — Windows API Technique Coverage

Browse ATT&CK techniques by tactic. Each technique lists the Windows APIs commonly used to implement it.

EpochZero Article — njRAT Static Analysis Walkthrough

Practical walkthrough of IAT analysis on a real RAT sample — PE structure, .NET decompilation, and IOC extraction.

Quadrant 4 · Self-Assessment

Test your knowledge — earn a certificate on first pass

Fundamentals of Malware Analysis

Covers the analysis environment, PE file structure, static property examination, behavioural analysis, and dynamic code analysis of Windows executables.

20 questions30 minPass: 60%

REMA Complete Assessment

A comprehensive 120-question assessment covering the entire Reverse Engineering and Malware Analysis curriculum: malware taxonomy and reverse engineering fundamentals, static and dynamic analysis, reversing malicious code, malicious web and document files, in-depth analysis of packed and fileless malware, and self-defending malware techniques.

120 questions90 minPass: 60%