title: Shadow Copies Deletion Using Operating Systems Utilities id: c947b146-0abc-4c87-9c64-b17e9d7274a2 status: stable description: Shadow Copies deletion using operating systems utilities author: Florian Roth, Michael Haag, Teymur Kheirkhabarov, Daniil Yugoslavskiy, oscd.community date: 2019/10/22 references: - https://www.slideshare.net/heirhabarov/hunting-for-credentials-dumping-in-windows-environment - https://blog.talosintelligence.com/2017/05/wannacry.html - https://securingtomorrow.mcafee.com/other-blogs/mcafee-labs/new-teslacrypt-ransomware-arrives-via-spam/ - https://www.bleepingcomputer.com/news/security/why-everyone-should-disable-vssadmin-exe-now/ - https://www.hybrid-analysis.com/sample/ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa?environmentId=100 tags: - attack.defense_evasion - attack.impact - attack.t1070 - attack.t1490 logsource: category: process_creation product: windows detection: selection: Image|endswith: - '\powershell.exe' - '\wmic.exe' - '\vssadmin.exe' CommandLine|contains|all: - shadow # will mach "delete shadows" and "shadowcopy delete" - delete condition: selection fields: - CommandLine - ParentCommandLine falsepositives: - Legitimate Administrator deletes Shadow Copies using operating systems utilities for legitimate reason level: critical