DumpMinitool Execution

calendar Apr 25, 2025 · attack.defense-evasion attack.t1036 attack.t1003.001 attack.credential-access  ·
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Detects the use of "DumpMinitool.exe" a tool that allows the dump of process memory via the use of the "MiniDumpWriteDump"

Sigma rule (View on GitHub)

 1title: DumpMinitool Execution
 2id: dee0a7a3-f200-4112-a99b-952196d81e42
 3status: test
 4description: Detects the use of "DumpMinitool.exe" a tool that allows the dump of process memory via the use of the "MiniDumpWriteDump"
 5references:
 6    - https://twitter.com/mrd0x/status/1511415432888131586
 7    - https://twitter.com/mrd0x/status/1511489821247684615
 8    - https://lolbas-project.github.io/lolbas/OtherMSBinaries/DumpMinitool/
 9    - https://gist.github.com/nasbench/6d58c3c125e2fa1b8f7a09754c1b087f
10author: Nasreddine Bencherchali (Nextron Systems), Florian Roth (Nextron Systems)
11date: 2022-04-06
12modified: 2023-04-12
13tags:
14    - attack.defense-evasion
15    - attack.t1036
16    - attack.t1003.001
17    - attack.credential-access
18logsource:
19    category: process_creation
20    product: windows
21detection:
22    selection_img:
23        - Image|endswith:
24              - '\DumpMinitool.exe'
25              - '\DumpMinitool.x86.exe'
26              - '\DumpMinitool.arm64.exe'
27        - OriginalFileName:
28              - 'DumpMinitool.exe'
29              - 'DumpMinitool.x86.exe'
30              - 'DumpMinitool.arm64.exe'
31    selection_cli:
32        CommandLine|contains:
33            - ' Full'
34            - ' Mini'
35            - ' WithHeap'
36    condition: all of selection_*
37falsepositives:
38    - Unknown
39level: medium

References

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  • Dumpminitool on LOLBAS

    DumpMinitool.exe is a living-of-the-land file containing unexpected functionality that can be abused by attackers; this page lists all its use cases.


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  • DumpMinitool LOLBIN

    DumpMinitool LOLBIN. GitHub Gist: instantly share code, notes, and snippets.


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