40 lines
1.1 KiB
YAML
40 lines
1.1 KiB
YAML
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title: Suspicious HWP Sub Processes
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ruletype: Sigma
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author: Florian Roth
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date: 2019/10/24
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description: Detects suspicious Hangul Word Processor (Hanword) sub processes that
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could indicate an exploitation
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detection:
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SELECTION_1:
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EventID: 1
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SELECTION_2:
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ParentImage: '*\Hwp.exe'
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SELECTION_3:
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Image: '*\gbb.exe'
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condition: (SELECTION_1 and SELECTION_2 and SELECTION_3)
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falsepositives:
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- Unknown
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id: 023394c4-29d5-46ab-92b8-6a534c6f447b
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level: high
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logsource:
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category: process_creation
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product: windows
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modified: 2021/11/27
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references:
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- https://www.securitynewspaper.com/2016/11/23/technical-teardown-exploit-malware-hwp-files/
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- https://www.hybrid-analysis.com/search?query=context:74940dcc5b38f9f9b1a0fea760d344735d7d91b610e6d5bd34533dd0153402c5&from_sample=5db135000388385a7644131f&block_redirect=1
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- https://twitter.com/cyberwar_15/status/1187287262054076416
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- https://blog.alyac.co.kr/1901
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- https://en.wikipedia.org/wiki/Hangul_(word_processor)
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status: test
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tags:
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- attack.initial_access
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- attack.t1566.001
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- attack.t1193
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- attack.execution
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- attack.t1203
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- attack.t1059.003
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- attack.t1059
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- attack.g0032
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