Potential Chrome Frame Helper DLL Sideloading

Title: Potential Chrome Frame Helper DLL Sideloading
Status: test
Description:Detects potential DLL sideloading of "chrome_frame_helper.dll"
References:
  -https://hijacklibs.net/entries/3rd_party/google/chrome_frame_helper.html
Author: Nasreddine Bencherchali (Nextron Systems), Wietze Beukema (project and research)
Date: 2022-08-17
modified:2023-05-15
Tags:

• -'attack.persistence'
• -'attack.privilege-escalation'
• -'attack.execution'
• -'attack.stealth'
• -'attack.t1574.001'

Logsource:

• category: image_load
• product: windows

Detection:
  selection:
    ImageLoaded|endswith: '\chrome_frame_helper.dll'
  filter_main_path:
    ImageLoaded|startswith:
      -'C:\Program Files\Google\Chrome\Application\'
      -'C:\Program Files (x86)\Google\Chrome\Application\'

  filter_optional_user_path:
    ImageLoaded|contains: '\AppData\local\Google\Chrome\Application\'
  condition:selection and not 1 of filter_main_* and not 1 of filter_optional_*
Falsepositives:
  -Unknown
Level: medium