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Suspicious Scheduled Task Creation Involving Temp Folder

Detects the creation of scheduled tasks that involves a temporary folder and runs only once

MITRE ATT&CK

T1053.005
privilege-escalationexecutionpersistence

Detection Query

selection:
  Image|endswith: \schtasks.exe
  CommandLine|contains|all:
    - " /create "
    - " /sc once "
    - \Temp\
condition: selection

Author

Florian Roth (Nextron Systems)

Created

2021-03-11

Data Sources

windowsProcess Creation Events

Platforms

windows

References

Tags

attack.privilege-escalationattack.executionattack.persistenceattack.t1053.005
Raw Content
title: Suspicious Scheduled Task Creation Involving Temp Folder
id: 39019a4e-317f-4ce3-ae63-309a8c6b53c5
status: test
description: Detects the creation of scheduled tasks that involves a temporary folder and runs only once
references:
    - https://discuss.elastic.co/t/detection-and-response-for-hafnium-activity/266289/3
author: Florian Roth (Nextron Systems)
date: 2021-03-11
modified: 2022-10-09
tags:
    - attack.privilege-escalation
    - attack.execution
    - attack.persistence
    - attack.t1053.005
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        Image|endswith: '\schtasks.exe'
        CommandLine|contains|all:
            - ' /create '
            - ' /sc once '
            - '\Temp\'
    condition: selection
falsepositives:
    - Administrative activity
    - Software installation
level: high