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49 lines
2.0 KiB
YAML
49 lines
2.0 KiB
YAML
name: Process Kill Base On File Path
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id: 5ffaa42c-acdb-11eb-9ad3-acde48001122
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version: 1
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date: '2021-05-04'
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author: Teoderick Contreras, Splunk
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type: batch
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datamodel:
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- Endpoint
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description: The following analytic identifies the use of `wmic.exe` using `delete`
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to remove a executable path. This is typically ran via a batch file during beginning
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stages of an adversary setting up for mining on an endpoint.
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search: '| tstats `security_content_summariesonly` values(Processes.process) as process
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values(Processes.process_id) as process_id count min(_time) as firstTime max(_time)
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as lastTime from datamodel=Endpoint.Processes where Processes.process_name =
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"wmic.exe" AND Processes.process="*process*" AND Processes.process="*executablepath*"
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AND Processes.process="*delete*" by Processes.parent_process_name Processes.process_name
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Processes.dest Processes.user | `drop_dm_object_name(Processes)` | `security_content_ctime(firstTime)`
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| `security_content_ctime(lastTime)` | `process_kill_base_on_file_path_filter`'
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how_to_implement: To successfully implement this search, you need to be ingesting
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logs with the process name, parent process, and command-line executions from your
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endpoints. If you are using Sysmon, you must have at least version 6.0.4 of the
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Sysmon TA. Tune and filter known instances where renamed wmic.exe may be used.
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known_false_positives: Unknown.
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references:
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- https://thedfirreport.com/2020/04/20/sqlserver-or-the-miner-in-the-basement/
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tags:
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analytic_story:
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- XMRig
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automated_detection_testing: passed
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dataset:
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- https://media.githubusercontent.com/media/splunk/attack_data/master/datasets/malware/xmrig_miner/windows-sysmon.log
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kill_chain_phases:
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- Exploitation
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mitre_attack_id:
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- T1562.001
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product:
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- Splunk Enterprise
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- Splunk Enterprise Security
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- Splunk Cloud
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required_fields:
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- _time
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- Processes.parent_process_name
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- Processes.process_name
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- Processes.dest
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- Processes.user
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- Processes.process
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- Processes.process_id
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security_domain: endpoint
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