Potential CCleanerReactivator.DLL Sideloading

Description

Detects potential DLL sideloading of "CCleanerReactivator.dll"

Query · sigma

selection:
  ImageLoaded|endswith: \CCleanerReactivator.dll
filter_main_path:
  Image|startswith:
  - C:\Program Files\CCleaner\
  - C:\Program Files (x86)\CCleaner\
  Image|endswith: \CCleanerReactivator.exe
condition: selection and not 1 of filter_main_*

Known false positives

  • False positives could occur from other custom installation paths. Apply additional filters accordingly.
Raw source Potential CCleanerReactivator.DLL Sideloading · Sigma
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Published by SigmaHQ/sigma ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified. 
title: Potential CCleanerReactivator.DLL Sideloading
id: 3735d5ac-d770-4da0-99ff-156b180bc600
status: test
description: Detects potential DLL sideloading of "CCleanerReactivator.dll"
references:
    - https://lab52.io/blog/2344-2/
author: X__Junior
date: 2023-07-13
tags:
    - attack.persistence
    - attack.privilege-escalation
    - attack.execution
    - attack.stealth
    - attack.t1574.001
logsource:
    category: image_load
    product: windows
detection:
    selection:
        ImageLoaded|endswith: '\CCleanerReactivator.dll'
    filter_main_path:
        Image|startswith:
            - 'C:\Program Files\CCleaner\'
            - 'C:\Program Files (x86)\CCleaner\'
        Image|endswith: '\CCleanerReactivator.exe'
    condition: selection and not 1 of filter_main_*
falsepositives:
    - False positives could occur from other custom installation paths. Apply additional filters accordingly.
level: medium

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