{"id":"1a1ed54a-2ba4-4221-94d5-01dee560d71e","title":"Renamed CreateDump Utility Execution","description":"Detects uses of a renamed legitimate createdump.exe LOLOBIN utility to dump process memory","author":"Florian Roth (Nextron Systems)","status":"test","level":"high","date":"2022-09-20","modified":"2023-02-14","tags":["attack.stealth","attack.t1036","attack.t1003.001","attack.credential-access"],"technique_ids":["T1003.001","T1036"],"logsource":{"category":"process_creation","product":"windows"},"falsepositives":["Command lines that use the same flags"],"references":["https://www.crowdstrike.com/blog/overwatch-exposes-aquatic-panda-in-possession-of-log-4-shell-exploit-tools/","https://twitter.com/bopin2020/status/1366400799199272960"],"source_path":"rules/windows/process_creation/proc_creation_win_renamed_createdump.yml","source_sha256":"3e651de59a933a0c87d08b5e35ac5740148f5aa88a59ec08eaa971aa853a89ab","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_renamed_createdump.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Renamed CreateDump Utility Execution\nid: 1a1ed54a-2ba4-4221-94d5-01dee560d71e\nrelated:\n    - id: 515c8be5-e5df-4c5e-8f6d-a4a2f05e4b48\n      type: similar\nstatus: test\ndescription: Detects uses of a renamed legitimate createdump.exe LOLOBIN utility to dump process memory\nreferences:\n    - https://www.crowdstrike.com/blog/overwatch-exposes-aquatic-panda-in-possession-of-log-4-shell-exploit-tools/\n    - https://twitter.com/bopin2020/status/1366400799199272960\nauthor: Florian Roth (Nextron Systems)\ndate: 2022-09-20\nmodified: 2023-02-14\ntags:\n    - attack.stealth\n    - attack.t1036\n    - attack.t1003.001\n    - attack.credential-access\nlogsource:\n    category: process_creation\n    product: windows\ndetection:\n    selection_pe:\n        OriginalFileName: 'FX_VER_INTERNALNAME_STR'\n    selection_cli:\n        - CommandLine|contains|all:\n              - ' -u ' # Short version of '--full'\n              - ' -f ' # Short version of '--name'\n              - '.dmp'\n        - CommandLine|contains|all:\n              - ' --full ' # Short version of '--full'\n              - ' --name ' # Short version of '--name'\n              - '.dmp'\n    filter:\n        Image|endswith: '\\createdump.exe'\n    condition: 1 of selection_* and not filter\nfalsepositives:\n    - Command lines that use the same flags\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/"},{"key":"enterprise/T1036","id":"T1036","name":"Masquerading","page":"techniques/enterprise/T1036/"}],"data_path":"data/detection-rules/1a1ed54a-2ba4-4221-94d5-01dee560d71e.json","kind":"sigma"}