title: New TaskCache Entry
author: Syed Hasan (@syedhasan009)
date: 2021/06/18
description: Monitor the creation of a new key under 'TaskCache' when a new scheduled
    task is registered
detection:
    SELECTION_1:
        EventID: 12
    SELECTION_2:
        EventID: 13
    SELECTION_3:
        EventID: 14
    SELECTION_4:
        EventType: SetValue
    SELECTION_5:
        TargetObject: '*SOFTWARE\Microsoft\Windows NT\CurrentVersion\Schedule\TaskCache\Tree\\*'
    condition: ((SELECTION_1 or SELECTION_2 or SELECTION_3) and SELECTION_4 and SELECTION_5)
falsepositives:
- Unknown
id: 4720b7df-40c3-48fd-bbdf-fd4b3c464f0d
level: medium
logsource:
    category: registry_event
    product: windows
modified: 2021/07/27
references:
- https://thedfirreport.com/2021/03/29/sodinokibi-aka-revil-ransomware/
tags:
- attack.persistence
- attack.t1053
- attack.t1053.005
yml_filename: sysmon_taskcache_entry.yml
yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/registry_event