Failed Code Integrity Checks

 1title: Failed Code Integrity Checks
 2id: 470ec5fa-7b4e-4071-b200-4c753100f49b
 3status: stable
 4description: |
 5        Detects code integrity failures such as missing page hashes or corrupted drivers due unauthorized modification. This could be a sign of tampered binaries.
 6references:
 7    - https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-10/security/threat-protection/auditing/event-5038
 8    - https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-10/security/threat-protection/auditing/event-6281
 9author: Thomas Patzke
10date: 2019-12-03
11modified: 2025-01-19
12tags:
13    - attack.defense-evasion
14    - attack.t1027.001
15logsource:
16    product: windows
17    service: security
18detection:
19    selection:
20        EventID:
21            - 5038
22            - 6281
23    filter_optional_crowdstrike:
24        param1|contains:
25            - '\CSFalconServiceUninstallTool_'
26            - '\Program Files\CrowdStrike\'
27            - '\System32\drivers\CrowdStrike\'
28            - '\Windows\System32\ScriptControl64_'
29    filter_optional_sophos:
30        param1|contains: '\Program Files\Sophos\'
31    condition: selection and not 1 of filter_optional_*
32falsepositives:
33    - Disk device errors
34level: informational

References

• 5038(F) Code integrity determined that the image hash of a file is not valid. - Windows 10

  

  Describes security event 5038(F) Code integrity determined that the image hash of a file isn't valid.

  
  Read More

• 6281(F) Code Integrity determined that the page hashes of an image file aren't valid. - Windows 10

  

  Describes security event 6281(F) Code Integrity determined that the page hashes of an image file aren't valid.

  
  Read More

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