{"id":"c3e76af5-4ce0-4a14-9c9a-25ceb8fda182","title":"WerFault LSASS Process Memory Dump","description":"Detects WerFault creating a dump file with a name that indicates that the dump file could be an LSASS process memory, which contains user credentials","author":"Florian Roth (Nextron Systems)","status":"test","level":"high","date":"2022-06-27","modified":"","tags":["attack.credential-access","attack.t1003.001"],"technique_ids":["T1003.001"],"logsource":{"product":"windows","category":"file_event"},"falsepositives":["Unknown"],"references":["https://github.com/helpsystems/nanodump"],"source_path":"rules/windows/file/file_event/file_event_win_lsass_werfault_dump.yml","source_sha256":"5d4c0289396f414c83bb3e83993a6fab42f2b9211a20292c04ce5300823fcada","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/file/file_event/file_event_win_lsass_werfault_dump.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: WerFault LSASS Process Memory Dump\nid: c3e76af5-4ce0-4a14-9c9a-25ceb8fda182\nstatus: test\ndescription: Detects WerFault creating a dump file with a name that indicates that the dump file could be an LSASS process memory, which contains user credentials\nreferences:\n    - https://github.com/helpsystems/nanodump\nauthor: Florian Roth (Nextron Systems)\ndate: 2022-06-27\ntags:\n    - attack.credential-access\n    - attack.t1003.001\nlogsource:\n    product: windows\n    category: file_event\ndetection:\n    selection:\n        Image: C:\\WINDOWS\\system32\\WerFault.exe\n        TargetFilename|contains:\n            - '\\lsass'\n            - 'lsass.exe'\n    condition: selection\nfalsepositives:\n    - Unknown\nlevel: high\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1003.001","id":"T1003.001","name":"LSASS Memory","page":"techniques/enterprise/T1003.001/"}],"data_path":"data/detection-rules/c3e76af5-4ce0-4a14-9c9a-25ceb8fda182.json","kind":"sigma"}