The answer is that the sequence indicates a process masquerading as svchost.exe was spawned by wmiprvse.exe via WMI, and then that malicious process launched calc.exe as suspicious behavior. This is correct because wmiprvse.exe, the WMI Provider Host, never legitimately spawns svchost.exe; svchost.exe is a critical system process that should only be launched by services.exe. When an attacker uses WMI to execute a renamed binary—here, a fake svchost.exe—and that binary subsequently launches calc.exe, it reveals process masquerading detection in action, often signaling lateral movement or privilege escalation. On the Cisco CyberOps Associate 200-201 exam, this scenario tests your ability to spot anomalous parent-child process relationships, a common trap where students mistake any svchost.exe instance as legitimate. A key memory tip: remember that svchost.exe’s only parent is services.exe—if you see wmiprvse.exe or cmd.exe as the parent, it is almost certainly a masquerade.
200-201 Host-Based Analysis Practice Question
This 200-201 practice question tests your understanding of host-based analysis. 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.
Exhibit
Refer to the exhibit.
Event 4688 (Process Creation):
New Process ID: 0x1234
New Process Name: C:\Users\Public\svchost.exe
Creator Process ID: 0x9ABC
Creator Process Name: C:\Windows\System32\wmiprvse.exe
Process Command Line: svchost.exe -k ntsvcs
Event 4688 (Process Creation):
New Process ID: 0x5678
New Process Name: C:\Windows\System32\svchost.exe
Creator Process ID: 0x1234
Creator Process Name: C:\Users\Public\svchost.exe
Process Command Line: C:\Windows\System32\calc.exe
Based on the exhibit, what does the sequence of events indicate?
Refer to the exhibit.
Event 4688 (Process Creation):
New Process ID: 0x1234
New Process Name: C:\Users\Public\svchost.exe
Creator Process ID: 0x9ABC
Creator Process Name: C:\Windows\System32\wmiprvse.exe
Process Command Line: svchost.exe -k ntsvcs
Event 4688 (Process Creation):
New Process ID: 0x5678
New Process Name: C:\Windows\System32\svchost.exe
Creator Process ID: 0x1234
Creator Process Name: C:\Users\Public\svchost.exe
Process Command Line: C:\Windows\System32\calc.exe
A
The wmiprvse.exe process is known to spawn svchost.exe for system health checks.
Why wrong: Wmiprvse does not normally spawn svchost.exe into Public folder.
B
A process masquerading as svchost.exe was spawned by wmiprvse.exe (likely via WMI), and then that malicious process launched calc.exe, a suspicious behavior.
The path and subsequent execution of calc.exe indicate malicious activity.
C
The user is executing a macro that opens Calculator.
Why wrong: No macro involvement is indicated; the process chain is automated.
D
A legitimate system process (wmiprvse.exe) launched a service host, which then launched calc.exe for maintenance.
Why wrong: The svchost.exe in Public is not legitimate.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
A process masquerading as svchost.exe was spawned by wmiprvse.exe (likely via WMI), and then that malicious process launched calc.exe, a suspicious behavior.
The exhibit shows wmiprvse.exe (the WMI Provider Host) spawning svchost.exe, which then launches calc.exe. In normal operations, wmiprvse.exe does not spawn svchost.exe; svchost.exe is a generic host process for Windows services and is typically launched by services.exe. The sequence indicates process masquerading: an attacker used WMI to execute a malicious binary named svchost.exe, which then launched calc.exe as a suspicious payload. This is a classic indicator of lateral movement or privilege escalation via WMI.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
The wmiprvse.exe process is known to spawn svchost.exe for system health checks.
Why it's wrong here
Wmiprvse does not normally spawn svchost.exe into Public folder.
✓
A process masquerading as svchost.exe was spawned by wmiprvse.exe (likely via WMI), and then that malicious process launched calc.exe, a suspicious behavior.
Why this is correct
The path and subsequent execution of calc.exe indicate malicious activity.
Related concept
Read the scenario before looking for a memorised answer.
✗
The user is executing a macro that opens Calculator.
Why it's wrong here
No macro involvement is indicated; the process chain is automated.
✗
A legitimate system process (wmiprvse.exe) launched a service host, which then launched calc.exe for maintenance.
Why it's wrong here
The svchost.exe in Public is not legitimate.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Cisco often tests the misconception that svchost.exe is always legitimate and that wmiprvse.exe only spawns itself or system processes, when in fact attackers can use WMI to launch arbitrary executables with a misleading name.
Detailed technical explanation
How to think about this question
WMI (Windows Management Instrumentation) allows remote or local execution of processes via the Win32_Process class and the Create method. Attackers often abuse this by using wmiprvse.exe to spawn a renamed or masquerading svchost.exe to evade detection, as svchost.exe is a trusted system process. In real-world attacks, this technique is used for lateral movement (e.g., via wmic or PowerShell) and can be detected by monitoring for anomalous parent-child process relationships, such as wmiprvse.exe spawning any child process other than its own service host (WmiPrvSE.exe).
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
TExam Day Tips
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A junior network technician can log in to a core router but cannot reach the enable prompt or configuration mode. The AAA server is authenticating the login — but the authorisation policy only grants privilege level 1, not 15. Authentication (who you are) is working; authorisation (what you can do) is not.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Host-Based Analysis — This question tests Host-Based Analysis — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: A process masquerading as svchost.exe was spawned by wmiprvse.exe (likely via WMI), and then that malicious process launched calc.exe, a suspicious behavior. — The exhibit shows wmiprvse.exe (the WMI Provider Host) spawning svchost.exe, which then launches calc.exe. In normal operations, wmiprvse.exe does not spawn svchost.exe; svchost.exe is a generic host process for Windows services and is typically launched by services.exe. The sequence indicates process masquerading: an attacker used WMI to execute a malicious binary named svchost.exe, which then launched calc.exe as a suspicious payload. This is a classic indicator of lateral movement or privilege escalation via WMI.
What should I do if I get this 200-201 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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