Question Analysis

Investigate Windows file creation logs to uncover any new executable added directly to the System32 directory, which may indicate a UEFI persistence implant. What was the name of the file created?

b8a49f03-e3c4-40f2-b7bb-9e8f8fdddbf1
Question ID
8/16
Models Correct
1
Valid Answer
50%
Success Rate
Reference Answer

Human-validated correct answer for this question

wpbbin.exe
Model Performance Comparison

See how different AI models performed on this question

ModelAnswerKQL QueryStatusAttemptsTimeCost
gemini-2.5-flash-preview-04-17
sethc.exe
DeviceFileEvents | where ActionType == "FileCreated" | where FolderPath startswith "C:\\Windows\\System32\\" | where FileName endswith ".exe" or FileName endswith ".dll" or FileName endswith ".sys" or FileName endswith ".scr" or FileName endswith ".cpl" or FileName endswith ".efi" | project Timestamp, DeviceName, FolderPath, FileName, InitiatingProcessCommandLine | order by Timestamp desc
Incorrect
3
34.81s
0.0157
gpt-35-turbo
No answer provided
No query generated
Incorrect
5
0.00s
0.0110
gpt-4-turbo-2024-04-09
wpbbin.exe
DeviceFileEvents | where ActionType == 'FileCreated' | where FolderPath has '\\System32' | where FileName endswith '.exe' | project DeviceName, FileName, FolderPath, TimeGenerated
Correct
1
9.68s
0.0509
gpt-4.1
wpbbin.exe
DeviceFileEvents | where ActionType == "FileCreated" | where tolower(FolderPath) startswith "c:\\windows\\system32" | where FileName matches regex @"\.(exe|dll|sys)$" | project TimeGenerated, DeviceName, FileName, FolderPath, InitiatingProcessAccountName, InitiatingProcessCommandLine
Correct
3
13.08s
0.0329
gpt-4.1-finetuned
No answer provided
No query generated
Incorrect
5
0.00s
0.0551
gpt-4.1-mini
wpbbin.exe
DeviceFileEvents | where ActionType == "FileCreated" | where FolderPath startswith @"C:\Windows\System32" | where FileName endswith ".exe" | project TimeGenerated, DeviceName, FileName | sort by TimeGenerated desc
Correct
2
6.46s
0.0030
gpt-4.1-nano
wpbbin.exe
DeviceFileEvents | where FolderPath has "System32" and FileName endswith ".exe" | project FileName, FolderPath, TimeGenerated | order by TimeGenerated desc
Correct
1
1.83s
0.0005
gpt-4o
sethc.exe
DeviceFileEvents | where ActionType == "FileCreated" | where FolderPath has "\\System32" | where FileName has_any (".exe", ".dll", ".sys") | project TimeGenerated, FolderPath, FileName
Incorrect
3
26.99s
0.0400
grok-3-beta
wpbbin.exe
DeviceFileEvents | where ActionType == 'FileCreated' | where FolderPath contains 'System32' | where FileName endswith '.exe' | project Timestamp, FileName, FolderPath, DeviceName, InitiatingProcessFileName, InitiatingProcessCommandLine, InitiatingProcessAccountName | order by Timestamp desc
Correct
1
11.07s
0.0226
grok-3-mini-beta
sethc.exe
DeviceFileEvents | where ActionType == 'FileCreated' | where FolderPath contains 'System32' | where FileName endswith '.exe' or FileName endswith '.dll' // Assuming common executables | distinct FileName | project FileName
Incorrect
1
15.78s
0.0015
o1-high
No answer provided
No query generated
Incorrect
5
0.00s
0.7260
o1-low
No answer provided
No query generated
Incorrect
5
0.00s
0.6194
o3-mini-high
wpbbin.exe
DeviceFileEvents | where ActionType == "FileCreated" | where FolderPath contains "System32" | where FileName endswith ".exe" | project TimeGenerated, FolderPath, FileName | sort by TimeGenerated desc
Correct
1
8.72s
0.0077
o3-mini-low
No answer provided
No query generated
Incorrect
5
0.00s
0.0393
o4-mini-high
wpbbin.exe
DeviceFileEvents | where ActionType == "FileCreated" | where FolderPath has @"Windows\System32" | where FileName endswith ".exe" | project TimeGenerated, DeviceName, FolderPath, FileName, InitiatingProcessFileName, InitiatingProcessCommandLine | sort by TimeGenerated desc
Correct
1
40.97s
0.0121
o4-mini-low
wpbbin.exe
DeviceFileEvents | where ActionType == "FileCreated" | extend FullPath = strcat(tolower(FolderPath), "\\", tolower(FileName)) | where FullPath startswith "c:\\windows\\system32\\" | where FileName endswith ".exe" | summarize FirstCreated = min(Timestamp) by FileName | project FileName, FirstCreated | order by FirstCreated asc
Correct
2
44.92s
0.0186