Query: detect Detects the deletion of all backups or system state backups via "wbadmin.exe". This technique is used by numerous ransom in logs
Matching passage: Sigma rule: Detects the deletion of all backups or system state backups via "wbadmin.exe". This technique is used by numerous ransom. Logsource: windows / process_creation. Rule: title: All Backups Deleted Via Wbadmin.EXE id: 639c9081-f482-47d3-a0bd-ddee3d4ecd76 related: - id: 89f75308-5b1b-4390-b2d8-d6b2340efaf8 type: derived status: test description: 'Detects the deletion of all backups or system state backups via "wbadmin.exe". This technique is used by numerous ransomware families and actors. This may only be successful on server platforms that have Windows Backup enabled. ' references: - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1490/T1490.md#atomic-test-5---windows---delete-volume-shadow-copies-via-wmi-with-powershell - https://github.com/albertzsigovits/malware-notes/blob/558898932c1579ff589290092a2c8febefc3a4c9/Ransomware/Lockbit.md - https://www.sentinelone.com/labs/ranzy-ransomware-better-encryption-among-new-features-of-thunderx-derivative/ - https://www.trendmicro.com/vinfo/us/security/news/cybercrime-and-digital-threats/ransomware-report-avaddon-and-new-techniques-emerge-industrial-sector-targeted - https://www.trendmicro.com/content/dam/trendmicro/global/en/research/24/b/lockbit-attempts-to-stay-afloat-with-a-new-version/technical-appendix-lockbit-ng-dev-analysis.pdf - https://learn.microsoft.com/en-us/windows-server/administration/windows-commands/wbadmin-delete-systemstatebackup author: frack113, Nasreddine Bencherchali (Nextron Systems) date: 2021-12-13 modified: 2024-05-10 tags: - attack.impact - attack.t1490 logsource: category: process_creation product: windows detection: selection_img: - Image|endswith: \wbadmin.exe - OriginalFileName: WBADMIN.EXE selection_cli: CommandLine|contains|all: - delete - backup CommandLine|contains: keepVersions:0 condition: all of selection_* falsepositives: - Unknown level: high
Near-miss passage: Sigma rule: Detects the execution of the "wusa.exe" (Windows Update Standalone Installer) utility to extract ".cab" files using the. Logsource: windows / process_creation. Rule: title: Cab File Extraction Via Wusa.EXE From Potentially Suspicious Paths id: c74c0390-3e20-41fd-a69a-128f0275a5ea related: - id: 59b39960-5f9d-4a49-9cef-1e4d2c1d0cb9 type: derived status: test description: 'Detects the execution of the "wusa.exe" (Windows Update Standalone Installer) utility to extract ".cab" files using the "/extract" argument from potentially suspicious paths. ' references: - https://web.archive.org/web/20180331144337/https://www.fireeye.com/blog/threat-research/2018/03/sanny-malware-delivery-method-updated-in-recently-observed-attacks.html - https://www.echotrail.io/insights/search/wusa.exe/ author: Nasreddine Bencherchali (Nextron Systems) date: 2022-08-05 modified: 2023-11-28 tags: - attack.execution logsource: category: process_creation product: windows detection: selection_root: Image|endswith: \wusa.exe CommandLine|contains: '/extract:' selection_paths: CommandLine|contains: - :\PerfLogs\ - :\Users\Public\ - :\Windows\Temp\ - \Appdata\Local\Temp\ condition: all of selection_* falsepositives: - Unknown level: high