Quick Answer
The answer is Mimikatz, the most commonly used tool for extracting NTLM hashes from LSASS memory on a Windows system. This works because Mimikatz’s `sekurlsa::logonpasswords` module directly reads the LSASS process memory and decrypts stored credentials, including NTLM hashes, without needing a brute-force or dictionary attack. On the CompTIA PenTest+ PT0-002 exam, this question tests your understanding of post-exploitation credential dumping techniques, often appearing in scenarios where you have administrative access and need to escalate privileges laterally. A common trap is confusing Mimikatz with tools like Hashcat or John the Ripper, which crack hashes rather than extract them from memory. Remember the mnemonic “Mimi Loves LSASS” to recall that Mimikatz targets the Local Security Authority Subsystem Service for hash extraction.
This PT0-002 practice question tests your understanding of attacks and exploits. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A penetration tester has gained administrative access to a Windows system and wants to extract NTLM password hashes from the memory of the Local Security Authority Subsystem Service (LSASS). Which tool is most commonly used for this purpose?
John the Ripper
Why wrong: John the Ripper is used for cracking password hashes, not extracting them from memory.
Mimikatz
Mimikatz is specifically designed to extract credentials from LSASS memory on Windows systems.
Hashcat
Why wrong: Hashcat is a GPU-accelerated password cracker, not a credential dumper.
Netcat
Why wrong: Netcat is used for reading/writing network connections, not credential extraction.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Mimikatz
Mimikatz is the most commonly used tool for extracting NTLM password hashes from LSASS memory on a Windows system. It leverages the `sekurlsa::logonpasswords` module to read the LSASS process memory and decrypt stored credentials, including NTLM hashes, without requiring a separate brute-force or dictionary attack.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
John the Ripper
Why it's wrong here
John the Ripper is used for cracking password hashes, not extracting them from memory.
Mimikatz
Why this is correct
Mimikatz is specifically designed to extract credentials from LSASS memory on Windows systems.
Related concept
Read the scenario before looking for a memorised answer.
Hashcat
Why it's wrong here
Hashcat is a GPU-accelerated password cracker, not a credential dumper.
Netcat
Why it's wrong here
Netcat is used for reading/writing network connections, not credential extraction.
Common exam traps
The trap here is that candidates confuse hash extraction tools (Mimikatz) with hash cracking tools (John the Ripper, Hashcat), assuming any tool that works with hashes can also extract them from memory.
Detailed technical explanation
LSASS stores NTLM hashes in a protected memory region, but Mimikatz bypasses this by calling the `SeDebugPrivilege` and using internal Windows API functions (e.g., `MiniDumpWriteDump`) to read the process memory. In real-world scenarios, Mimikatz can also extract plaintext passwords from memory if WDigest is enabled, making it a critical tool for post-exploitation credential dumping.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A security analyst at a medium-sized enterprise encounters this scenario during an investigation or architecture review. The correct answer reflects best practice for the specific threat or control described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Security exam questions test whether you can match controls to threats in context — not just recall definitions.
What to study next
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FAQ
Attacks and Exploits — This question tests Attacks and Exploits — Read the scenario before looking for a memorised answer..
The correct answer is: Mimikatz — Mimikatz is the most commonly used tool for extracting NTLM password hashes from LSASS memory on a Windows system. It leverages the `sekurlsa::logonpasswords` module to read the LSASS process memory and decrypt stored credentials, including NTLM hashes, without requiring a separate brute-force or dictionary attack.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 11, 2026
This PT0-002 practice question is part of Courseiva's free CompTIA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the PT0-002 exam.
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