{"id":"6a69f62d-ce75-4b57-8dce-6351eb55b362","title":"Esentutl Steals Browser Information","description":"One way Qbot steals sensitive information is by extracting browser data from Internet Explorer and Microsoft Edge by using the built-in utility esentutl.exe","author":"frack113","status":"test","level":"medium","date":"2022-02-13","modified":"2024-03-05","tags":["attack.collection","attack.t1005"],"technique_ids":["T1005"],"logsource":{"category":"process_creation","product":"windows"},"falsepositives":["Legitimate use"],"references":["https://thedfirreport.com/2022/02/07/qbot-likes-to-move-it-move-it/","https://redcanary.com/threat-detection-report/threats/qbot/","https://thedfirreport.com/2022/10/31/follina-exploit-leads-to-domain-compromise/"],"source_path":"rules/windows/process_creation/proc_creation_win_esentutl_webcache.yml","source_sha256":"dc21b45d9947e210b4cfdf764549bb5563bfc9ec305b439d7ceb441855ce75c3","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_esentutl_webcache.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Esentutl Steals Browser Information\nid: 6a69f62d-ce75-4b57-8dce-6351eb55b362\nstatus: test\ndescription: One way Qbot steals sensitive information is by extracting browser data from Internet Explorer and Microsoft Edge by using the built-in utility esentutl.exe\nreferences:\n    - https://thedfirreport.com/2022/02/07/qbot-likes-to-move-it-move-it/\n    - https://redcanary.com/threat-detection-report/threats/qbot/\n    - https://thedfirreport.com/2022/10/31/follina-exploit-leads-to-domain-compromise/\nauthor: frack113\ndate: 2022-02-13\nmodified: 2024-03-05\ntags:\n    - attack.collection\n    - attack.t1005\nlogsource:\n    category: process_creation\n    product: windows\ndetection:\n    selection_img:\n        - Image|endswith: '\\esentutl.exe'\n        - OriginalFileName: 'esentutl.exe'\n    selection_flag:\n        CommandLine|contains|windash: '-r'\n    selection_webcache:\n        CommandLine|contains: '\\Windows\\WebCache'\n    condition: all of selection*\nfalsepositives:\n    - Legitimate use\nlevel: medium\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1005","id":"T1005","name":"Data from Local System","page":"techniques/enterprise/T1005/"}],"data_path":"data/detection-rules/6a69f62d-ce75-4b57-8dce-6351eb55b362.json","kind":"sigma"}