frack113
42 lines
1.7 KiB
YAML
42 lines
1.7 KiB
YAML
title: UIPromptForCredentials DLLs
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id: 9ae01559-cf7e-4f8e-8e14-4c290a1b4784
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description: Detects potential use of UIPromptForCredentials functions by looking for some of the DLLs needed for it.
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status: experimental
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date: 2020/10/20
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modified: 2022/02/10
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author: Roberto Rodriguez (Cyb3rWard0g), OTR (Open Threat Research)
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tags:
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- attack.credential_access
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- attack.collection
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- attack.t1056.002
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references:
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- https://securitydatasets.com/notebooks/small/windows/06_credential_access/SDWIN-201020013208.html
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- https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1056.002/T1056.002.md#atomic-test-2---powershell---prompt-user-for-password
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- https://docs.microsoft.com/en-us/windows/win32/api/wincred/nf-wincred-creduipromptforcredentialsa
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logsource:
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category: image_load
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product: windows
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detection:
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selection:
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- ImageLoaded|endswith:
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- '\credui.dll'
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- '\wincredui.dll'
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- OriginalFileName:
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- 'credui.dll'
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- 'wincredui.dll'
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filter:
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- Image|startswith:
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- 'C:\Windows\System32\'
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- 'C:\Windows\explorer.exe'
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- 'C:\Program Files\'
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- 'C:\Users\\*\AppData\Local\Microsoft\OneDrive\\*\Microsoft.SharePoint.exe'
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- 'C:\Program Files (x86)\'
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- 'C:\Windows\ImmersiveControlPanel\SystemSettings.exe'
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- 'C:\Users\\*\AppData\Local\Microsoft\OneDrive\OneDrive.exe'
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- 'C:\Users\\*\AppData\Roaming\Spotify\Spotify.exe'
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- Image|endswith: '\opera_autoupdate.exe'
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condition: selection and not filter
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falsepositives:
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- other legitimate processes loading those DLLs in your environment.
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level: medium
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