Potential CCleanerReactivator.DLL Sideloading

calendar Jul 20, 2023 · attack.defense_evasion attack.persistence attack.privilege_escalation attack.t1574.001 attack.t1574.002  ·
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Detects potential DLL sideloading of "CCleanerReactivator.dll"

Sigma rule (View on GitHub)

 1title: Potential CCleanerReactivator.DLL Sideloading
 2id: 3735d5ac-d770-4da0-99ff-156b180bc600
 3status: experimental
 4description: Detects potential DLL sideloading of "CCleanerReactivator.dll"
 5references:
 6    - https://lab52.io/blog/2344-2/
 7author: X__Junior
 8date: 2023/07/13
 9tags:
10    - attack.defense_evasion
11    - attack.persistence
12    - attack.privilege_escalation
13    - attack.t1574.001
14    - attack.t1574.002
15logsource:
16    category: image_load
17    product: windows
18detection:
19    selection:
20        ImageLoaded|endswith: '\CCleanerReactivator.dll'
21    filter_main_path:
22        Image|startswith:
23            - 'C:\Program Files\CCleaner\'
24            - 'C:\Program Files (x86)\CCleaner\'
25        Image|endswith: '\CCleanerReactivator.exe'
26    condition: selection and not 1 of filter_main_*
27falsepositives:
28    - False positives could occur from other custom installation paths. Apply additional filters accordingly.
29level: medium

References

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