Tanaka Zakku
97 lines
2.8 KiB
YAML
97 lines
2.8 KiB
YAML
title: WannaCry Ransomware
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author: Florian Roth (rule), Tom U. @c_APT_ure (collection), oscd.community, Jonhnathan
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Ribeiro
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date: 2019/01/16
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description: Detects WannaCry ransomware activity
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detection:
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SELECTION_1:
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EventID: 1
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SELECTION_10:
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Image: '*\linuxnew.exe'
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SELECTION_11:
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Image: '*\wannacry.exe'
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SELECTION_12:
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Image: '*WanaDecryptor*'
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SELECTION_13:
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CommandLine: '*icacls*'
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SELECTION_14:
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CommandLine: '*/grant*'
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SELECTION_15:
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CommandLine: '*Everyone:F*'
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SELECTION_16:
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CommandLine: '*/T*'
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SELECTION_17:
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CommandLine: '*/C*'
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SELECTION_18:
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CommandLine: '*/Q*'
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SELECTION_19:
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CommandLine: '*bcdedit*'
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SELECTION_2:
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Image: '*\tasksche.exe'
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SELECTION_20:
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CommandLine: '*/set*'
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SELECTION_21:
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CommandLine: '*{default}*'
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SELECTION_22:
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CommandLine: '*recoveryenabled*'
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SELECTION_23:
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CommandLine: '*no*'
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SELECTION_24:
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CommandLine: '*wbadmin*'
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SELECTION_25:
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CommandLine: '*delete*'
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SELECTION_26:
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CommandLine: '*catalog*'
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SELECTION_27:
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CommandLine: '*-quiet*'
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SELECTION_28:
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CommandLine: '*@Please_Read_Me@.txt*'
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SELECTION_3:
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Image: '*\mssecsvc.exe'
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SELECTION_4:
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Image: '*\taskdl.exe'
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SELECTION_5:
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Image: '*\taskhsvc.exe'
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SELECTION_6:
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Image: '*\taskse.exe'
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SELECTION_7:
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Image: '*\111.exe'
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SELECTION_8:
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Image: '*\lhdfrgui.exe'
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SELECTION_9:
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Image: '*\diskpart.exe'
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condition: (SELECTION_1 and ((SELECTION_2 or SELECTION_3 or SELECTION_4 or SELECTION_5
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or SELECTION_6 or SELECTION_7 or SELECTION_8 or SELECTION_9 or SELECTION_10
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or SELECTION_11) or SELECTION_12 or (SELECTION_13 and SELECTION_14 and SELECTION_15
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and SELECTION_16 and SELECTION_17 and SELECTION_18) or (SELECTION_19 and SELECTION_20
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and SELECTION_21 and SELECTION_22 and SELECTION_23) or (SELECTION_24 and SELECTION_25
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and SELECTION_26 and SELECTION_27) or SELECTION_28))
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falsepositives:
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- Diskpart.exe usage to manage partitions on the local hard drive
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fields:
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- CommandLine
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- ParentCommandLine
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id: 41d40bff-377a-43e2-8e1b-2e543069e079
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level: critical
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logsource:
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category: process_creation
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product: windows
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modified: 2020/09/01
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references:
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- https://www.hybrid-analysis.com/sample/ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa?environmentId=100
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status: experimental
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tags:
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- attack.lateral_movement
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- attack.t1210
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- attack.discovery
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- attack.t1083
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- attack.defense_evasion
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- attack.t1222.001
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- attack.t1222
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- attack.impact
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- attack.t1486
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- attack.t1490
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yml_filename: win_malware_wannacry.yml
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yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/process_creation
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