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P4T12ICK
59 lines
2.1 KiB
YAML
59 lines
2.1 KiB
YAML
name: Windows System Discovery Using Qwinsta
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id: 2e765c1b-144a-49f0-93d0-1df4287cca04
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version: 1
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date: '2022-10-21'
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author: Teoderick Contreras, Splunk
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status: production
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type: Hunting
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description: The following analytic identifies the execution of qwinsta.exe executable
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in Windows Operating System. This Windows executable file can display information
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about sessions on a remote desktop session host server. The information includes
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servername, sessionname, username and many more. This tool is being abused of Qakbot
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malware to gather information to the targeted or compromised host that will be send
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back to its Command And Control server.
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data_source:
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- Sysmon Event ID 1
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search:
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selection1:
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OriginalFileName: qwinsta.exe
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selection2:
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Image|endswith: qwinsta.exe
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condition: selection1 or selection2
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how_to_implement: To successfully implement this search you need to be ingesting information
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on process that include the name of the process responsible for the changes from
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your endpoints into the `Endpoint` datamodel in the `Processes` node. In addition,
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confirm the latest CIM App 4.20 or higher is installed and the latest TA for the
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endpoint product.
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known_false_positives: Administrator may execute this commandline tool for auditing
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purposes. Filter as needed.
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references:
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- https://learn.microsoft.com/en-us/windows-server/administration/windows-commands/qwinsta
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- https://securelist.com/qakbot-technical-analysis/103931/
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tags:
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analytic_story:
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- Qakbot
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asset_type: Endpoint
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confidence: 50
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impact: 50
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message: System qwinsta domain discovery on $dest$
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mitre_attack_id:
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- T1033
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observable:
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- name: dest
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type: Endpoint
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role:
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- Victim
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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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risk_score: 25
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security_domain: endpoint
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tests:
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- name: True Positive Test
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attack_data:
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- data: https://media.githubusercontent.com/media/splunk/attack_data/master/datasets/attack_techniques/T1033/qakbot_discovery_cmdline/sysmon.log
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source: XmlWinEventLog:Microsoft-Windows-Sysmon/Operational
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sourcetype: xmlwineventlog
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update_timestamp: true
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