PUA - Process Hacker Execution
Detects the execution of Process Hacker based on binary metadata information (Image, Hash, Imphash, etc). Process Hacker is a tool to view and manipulate processes, kernel options and other low level options. Threat actors regularly abuse it to manipulate system processes.
Sigma rule (View on GitHub)
1title: PUA - Process Hacker Execution
2id: 811e0002-b13b-4a15-9d00-a613fce66e42
3related:
4 - id: 5722dff1-4bdd-4949-86ab-fbaf707e767a
5 type: similar
6status: experimental
7description: Detects the execution of Process Hacker based on binary metadata information (Image, Hash, Imphash, etc). Process Hacker is a tool to view and manipulate processes, kernel options and other low level options. Threat actors regularly abuse it to manipulate system processes.
8references:
9 - https://processhacker.sourceforge.io/
10 - https://www.crowdstrike.com/blog/falcon-overwatch-report-finds-increase-in-ecrime/
11author: Florian Roth (Nextron Systems)
12date: 2022/10/10
13modified: 2023/05/08
14tags:
15 - attack.defense_evasion
16 - attack.discovery
17 - attack.persistence
18 - attack.privilege_escalation
19 - attack.t1622
20 - attack.t1564
21 - attack.t1543
22logsource:
23 category: process_creation
24 product: windows
25detection:
26 selection_image:
27 - Image|contains: '\ProcessHacker_'
28 - Image|endswith: '\ProcessHacker.exe'
29 - OriginalFileName:
30 - 'ProcessHacker.exe'
31 - 'Process Hacker'
32 - Description: 'Process Hacker'
33 - Product: 'Process Hacker'
34 selection_hashes:
35 Hashes|contains:
36 - 'MD5=68F9B52895F4D34E74112F3129B3B00D'
37 - 'MD5=B365AF317AE730A67C936F21432B9C71'
38 - 'SHA1=A0BDFAC3CE1880B32FF9B696458327CE352E3B1D'
39 - 'SHA1=C5E2018BF7C0F314FED4FD7FE7E69FA2E648359E'
40 - 'SHA256=D4A0FE56316A2C45B9BA9AC1005363309A3EDC7ACF9E4DF64D326A0FF273E80F'
41 - 'SHA256=BD2C2CF0631D881ED382817AFCCE2B093F4E412FFB170A719E2762F250ABFEA4'
42 - 'IMPHASH=3695333C60DEDECDCAFF1590409AA462'
43 - 'IMPHASH=04DE0AD9C37EB7BD52043D2ECAC958DF'
44 selection_hash_values:
45 - md5:
46 - '68f9b52895f4d34e74112f3129b3b00d'
47 - 'b365af317ae730a67c936f21432b9c71'
48 - sha1:
49 - 'c5e2018bf7c0f314fed4fd7fe7e69fa2e648359e'
50 - 'a0bdfac3ce1880b32ff9b696458327ce352e3b1d'
51 - sha256:
52 - 'd4a0fe56316a2c45b9ba9ac1005363309a3edc7acf9e4df64d326a0ff273e80f'
53 - 'bd2c2cf0631d881ed382817afcce2b093f4e412ffb170a719e2762f250abfea4'
54 - Imphash:
55 - '04de0ad9c37eb7bd52043d2ecac958df'
56 - '3695333c60dedecdcaff1590409aa462'
57 condition: 1 of selection_*
58falsepositives:
59 - While sometimes 'Process Hacker is used by legitimate administrators, the execution of Process Hacker must be investigated and allowed on a case by case basis
60level: high
References
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