Renamed Jusched.EXE Execution


Description

Detects the execution of a renamed "jusched.exe" as seen used by the cobalt group

Query · sigma

selection:
  Description:
  - Java Update Scheduler
  - Java(TM) Update Scheduler
filter:
  Image|endswith: \jusched.exe
condition: selection and not filter

Known false positives

  • Unknown
Raw source Renamed Jusched.EXE Execution · Sigma
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Published by SigmaHQ/sigma ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified.
title: Renamed Jusched.EXE Execution
id: edd8a48c-1b9f-4ba1-83aa-490338cd1ccb
status: test
description: Detects the execution of a renamed "jusched.exe" as seen used by the cobalt group
references:
    - https://www.bitdefender.com/files/News/CaseStudies/study/262/Bitdefender-WhitePaper-An-APT-Blueprint-Gaining-New-Visibility-into-Financial-Threats-interactive.pdf
author: Markus Neis, Swisscom
date: 2019-06-04
modified: 2023-02-03
tags:
    - attack.execution
    - attack.stealth
    - attack.t1036.003
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        Description:
            - Java Update Scheduler
            - Java(TM) Update Scheduler
    filter:
        Image|endswith: '\jusched.exe'
    condition: selection and not filter
falsepositives:
    - Unknown
level: high

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