SigmaHQ/rules/windows/process_creation/win_hwp_exploits.yml
2020-10-15 17:55:04 -03:00

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YAML

title: Suspicious HWP Sub Processes
id: 023394c4-29d5-46ab-92b8-6a534c6f447b
description: Detects suspicious Hangul Word Processor (Hanword) sub processes that could indicate an exploitation
status: experimental
references:
- https://www.securitynewspaper.com/2016/11/23/technical-teardown-exploit-malware-hwp-files/
- https://www.hybrid-analysis.com/search?query=context:74940dcc5b38f9f9b1a0fea760d344735d7d91b610e6d5bd34533dd0153402c5&from_sample=5db135000388385a7644131f&block_redirect=1
- https://twitter.com/cyberwar_15/status/1187287262054076416
- https://blog.alyac.co.kr/1901
- https://en.wikipedia.org/wiki/Hangul_(word_processor)
tags:
- attack.initial_access
- attack.t1566.001
- attack.t1193 # an old one
- attack.execution
- attack.t1203
- attack.t1059.003
- attack.t1059 # an old one
- attack.g0032
author: Florian Roth
date: 2019/10/24
modified: 2020/09/01
logsource:
category: process_creation
product: windows
detection:
selection:
ParentImage|endswith: '\Hwp.exe'
Image|endswith: '\gbb.exe'
condition: selection
falsepositives:
- Unknown
level: high