Potential Chrome Frame Helper DLL Sideloading

 1title: Potential Chrome Frame Helper DLL Sideloading
 2id: 72ca7c75-bf85-45cd-aca7-255d360e423c
 3status: test
 4description: Detects potential DLL sideloading of "chrome_frame_helper.dll"
 5references:
 6    - https://hijacklibs.net/entries/3rd_party/google/chrome_frame_helper.html
 7author: Nasreddine Bencherchali (Nextron Systems), Wietze Beukema (project and research)
 8date: 2022-08-17
 9modified: 2023-05-15
10tags:
11    - attack.defense-evasion
12    - attack.persistence
13    - attack.privilege-escalation
14    - attack.t1574.001
15logsource:
16    category: image_load
17    product: windows
18detection:
19    selection:
20        ImageLoaded|endswith: '\chrome_frame_helper.dll'
21    filter_main_path:
22        ImageLoaded|startswith:
23            - 'C:\Program Files\Google\Chrome\Application\'
24            - 'C:\Program Files (x86)\Google\Chrome\Application\'
25    filter_optional_user_path:
26        ImageLoaded|contains: '\AppData\local\Google\Chrome\Application\'
27    condition: selection and not 1 of filter_main_* and not 1 of filter_optional_*
28falsepositives:
29    - Unknown
30level: medium