{"id":"2f9356ae-bf43-41b8-b858-4496d83b2acb","title":"ISO File Created Within Temp Folders","description":"Detects the creation of a ISO file in the Outlook temp folder or in the Appdata temp folder. Typical of Qakbot TTP from end-July 2022.","author":"@sam0x90","status":"test","level":"high","date":"2022-07-30","modified":"","tags":["attack.initial-access","attack.t1566.001"],"technique_ids":["T1566.001"],"logsource":{"category":"file_event","product":"windows"},"falsepositives":["Potential FP by sysadmin opening a zip file containing a legitimate ISO file"],"references":["https://twitter.com/Sam0x90/status/1552011547974696960","https://securityaffairs.co/wordpress/133680/malware/dll-sideloading-spread-qakbot.html","https://github.com/redcanaryco/atomic-red-team/blob/0f229c0e42bfe7ca736a14023836d65baa941ed2/atomics/T1553.005/T1553.005.md#atomic-test-1---mount-iso-image"],"source_path":"rules/windows/file/file_event/file_event_win_iso_file_mount.yml","source_sha256":"876543fc15b268b4468a6533ac0cdd164a9af9e6c5cd0143fed9800c981d46cf","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/file/file_event/file_event_win_iso_file_mount.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: ISO File Created Within Temp Folders\nid: 2f9356ae-bf43-41b8-b858-4496d83b2acb\nstatus: test\ndescription: Detects the creation of a ISO file in the Outlook temp folder or in the Appdata temp folder. Typical of Qakbot TTP from end-July 2022.\nreferences:\n    - https://twitter.com/Sam0x90/status/1552011547974696960\n    - https://securityaffairs.co/wordpress/133680/malware/dll-sideloading-spread-qakbot.html\n    - https://github.com/redcanaryco/atomic-red-team/blob/0f229c0e42bfe7ca736a14023836d65baa941ed2/atomics/T1553.005/T1553.005.md#atomic-test-1---mount-iso-image\nauthor: '@sam0x90'\ndate: 2022-07-30\ntags:\n    - attack.initial-access\n    - attack.t1566.001\nlogsource:\n    category: file_event\n    product: windows\ndetection:\n    selection_1:\n        TargetFilename|contains|all:\n            - '\\AppData\\Local\\Temp\\'\n            - '.zip\\'\n        TargetFilename|endswith: '.iso'\n    selection_2:\n        TargetFilename|contains: '\\AppData\\Local\\Microsoft\\Windows\\INetCache\\Content.Outlook\\'\n        TargetFilename|endswith: '.iso'\n    condition: 1 of selection*\nfalsepositives:\n    - Potential FP by sysadmin opening a zip file containing a legitimate ISO file\nlevel: high\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1566.001","id":"T1566.001","name":"Spearphishing Attachment","page":"techniques/enterprise/T1566.001/"}],"data_path":"data/detection-rules/2f9356ae-bf43-41b8-b858-4496d83b2acb.json","kind":"sigma"}