Potential LethalHTA Technique Execution

Description

Detects potential LethalHTA technique where the "mshta.exe" is spawned by an "svchost.exe" process

Query · sigma

selection:
  ParentImage|endswith: \svchost.exe
  Image|endswith: \mshta.exe
condition: selection

Known false positives

  • Unknown
Raw source Potential LethalHTA Technique Execution · Sigma
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Published by SigmaHQ/sigma ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified. 
title: Potential LethalHTA Technique Execution
id: ed5d72a6-f8f4-479d-ba79-02f6a80d7471
status: test
description: Detects potential LethalHTA technique where the "mshta.exe" is spawned by an "svchost.exe" process
references:
    - https://codewhitesec.blogspot.com/2018/07/lethalhta.html
author: Markus Neis
date: 2018-06-07
modified: 2023-02-07
tags:
    - attack.stealth
    - attack.t1218.005
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        ParentImage|endswith: '\svchost.exe'
        Image|endswith: '\mshta.exe'
    condition: selection
falsepositives:
    - Unknown
level: high

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