sigmalowHunting

DMP/HDMP File Creation

Detects the creation of a file with the ".dmp"/".hdmp" extension. Often created by software during a crash. Memory dumps can sometimes contain sensitive information such as credentials. It's best to determine the source of the crash.

Detection Query

selection:
  TargetFilename|endswith:
    - .dmp
    - .dump
    - .hdmp
condition: selection

Author

Nasreddine Bencherchali (Nextron Systems)

Created

2023-09-07

Data Sources

windowsFile Events

Platforms

windows

References

https://learn.microsoft.com/en-us/windows/win32/wer/collecting-user-mode-dumps

Tags

attack.defense-evasiondetection.threat-hunting

Raw Content

title: DMP/HDMP File Creation
id: 3a525307-d100-48ae-b3b9-0964699d7f97
status: test
description: Detects the creation of a file with the ".dmp"/".hdmp" extension. Often created by software during a crash. Memory dumps can sometimes contain sensitive information such as credentials. It's best to determine the source of the crash.
references:
    - https://learn.microsoft.com/en-us/windows/win32/wer/collecting-user-mode-dumps
author: Nasreddine Bencherchali (Nextron Systems)
date: 2023-09-07
tags:
    - attack.defense-evasion
    - detection.threat-hunting
logsource:
    category: file_event
    product: windows
detection:
    selection:
        TargetFilename|endswith:
            - '.dmp'
            - '.dump'
            - '.hdmp'
    condition: selection
falsepositives:
    - Likely during crashes of software
level: low