CloseHandle, NtClose

Created the Monday 18 March 2019. Updated 1 year, 7 months ago.

When a process is debugged, calling NtClose or CloseHandle with an invalid handle will generate a STATUS_INVALID_HANDLE exception.

The exception can be cached by an exception handler. If the control is passed to the exception handler, it indicates that a debugger is present.


Technique Identifiers

U0114 B0001.003

Technique Tags

closehandle ntclose


Code Snippets

Detection Rules

Additional Resources

External Links

The resources provided below are associated links that will give you even more detailed information and research on current evasion technique. It is important to note that, while these resources may be helpful, it is important to exercise caution when following external links. As always, be careful when clicking on links from unknown sources, as they may lead to malicious content.

Matching Samples 10 most recent

Sample Name Matching Techniques First Seen Last Seen
ZAP.exe 6 2025-04-26 1 week, 4 days ago
TCS30Autoplay_Net.exe 6 2025-04-25 1 week, 6 days ago
SetupEngine.exe 8 2025-04-23 2 weeks, 1 day ago
FBH.dll 10 2025-03-22 1 month, 2 weeks ago
MS-RPRN.exe 7 2025-03-12 1 month, 3 weeks ago
RustPatchlessCLRLoader.exe 8 2025-03-07 2 months ago
stub_modified.exe 7 2025-02-18 2 months, 2 weeks ago
payload.exe 7 2025-02-18 2 months, 2 weeks ago
encrypt.exe 7 2025-02-18 2 months, 2 weeks ago
twain_32.dll 7 2025-02-17 2 months, 3 weeks ago
View All

Sleeping Alien

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