{"id":"d474c8fe-bb69-4ea0-b7d9-f682b56d52d3","title":"HackTool - Doppelanger LSASS Dumper Execution","description":"Detects the execution of the Doppelanger hacktool which is used to dump LSASS memory via process cloning while evading common detection methods","author":"Swachchhanda Shrawan Poudel (Nextron Systems)","status":"experimental","level":"high","date":"2025-07-01","modified":"","tags":["attack.credential-access","attack.t1003.001"],"technique_ids":["T1003.001"],"logsource":{"category":"process_creation","product":"windows"},"falsepositives":["Unknown"],"references":["https://labs.yarix.com/2025/06/doppelganger-an-advanced-lsass-dumper-with-process-cloning/","https://github.com/vari-sh/RedTeamGrimoire/tree/668e0357072546065729ad623f8c02f7be21bb08/Doppelganger"],"source_path":"rules/windows/process_creation/proc_creation_win_hktl_doppelganger.yml","source_sha256":"352b7e92db0fed84443da106a9b33f3172661ad4974cffe75029e223f85941cb","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_hktl_doppelganger.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: HackTool - Doppelanger LSASS Dumper Execution\nid: d474c8fe-bb69-4ea0-b7d9-f682b56d52d3\nstatus: experimental\ndescription: Detects the execution of the Doppelanger hacktool which is used to dump LSASS memory via process cloning while evading common detection methods\nreferences:\n    - https://labs.yarix.com/2025/06/doppelganger-an-advanced-lsass-dumper-with-process-cloning/\n    - https://github.com/vari-sh/RedTeamGrimoire/tree/668e0357072546065729ad623f8c02f7be21bb08/Doppelganger\nauthor: Swachchhanda Shrawan Poudel (Nextron Systems)\ndate: 2025-07-01\ntags:\n    - attack.credential-access\n    - attack.t1003.001\nlogsource:\n    category: process_creation\n    product: windows\ndetection:\n    selection:\n        - Image|endswith: '\\Doppelganger.exe'\n        - Hashes|contains:\n              - 'IMPHASH=AB94D5217896ADCD765A06B2D52F0AEB'\n              - 'IMPHASH=65F0EA61156EE0C2A35421926F0C7F78'\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/d474c8fe-bb69-4ea0-b7d9-f682b56d52d3.json","kind":"sigma"}