blue-team-tools/rules/windows/process_creation/win_shadow_copies_deletion.yml

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