Unusual Child Process Of Defaultpack.EXE (via process_creation)

title: Unusual Child Process Of Defaultpack.EXE (via process_creation)
id: b96b9e0d-61b8-5cfb-b639-ef0ba761ef50
status: stable
description: This rule detects uncommon child processes of "DefaultPack.EXE" binary as a proxy to launch other programs
references:
    - https://attack.mitre.org/techniques/T1218/
    - https://lolbas-project.github.io/lolbas/OtherMSBinaries/DefaultPack/
    - https://www.echotrail.io/insights/search/defaultpack.exe
author: Huntrule Team
date: 2026-05-31
tags:
    - attack.stealth
    - attack.t1218
    - attack.execution
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        ParentImage|endswith: '\DefaultPack.exe'
    condition: selection
falsepositives:
    - Unknown
level: medium