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https://github.com/splunk/security_content
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tccontre
79 lines
2.7 KiB
YAML
79 lines
2.7 KiB
YAML
name: Windows Process Injection Remote Thread
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id: 8a618ade-ca8f-4d04-b972-2d526ba59924
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version: 1
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date: '2022-11-10'
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author: Teoderick Contreras, Splunk
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type: TTP
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datamodel:
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- Endpoint
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description: The following analytic identifies a suspicious remote thread execution in some process being abused by threat actor and malware like
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qakbot. Qakbot is one of the malware using this technique to load its malicious dll module or malicious code in the targeted host.
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This TTP can be a good pivot to verify what is the behavior of the targeted Image process after this detection trigger.
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look for network connection, child process execution, file access and many more that helps to verify the indication of malware infection.
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search: '`sysmon` EventCode=8 TargetImage IN ("*\\Taskmgr.exe", "*\\calc.exe", "*\\notepad.exe", "*\\rdpclip.exe", "*\\explorer.exe", "*\\wermgr.exe", "*\\ping.exe", "*\\OneDriveSetup.exe", "*\\dxdiag.exe", "*\\mobsync.exe", "*\\msra.exe", "*\\xwizard.exe")
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| stats count min(_time) as firstTime max(_time) as lastTime by TargetImage TargetProcessId SourceProcessId EventCode StartAddress SourceImage Computer
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| `security_content_ctime(firstTime)`
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| `security_content_ctime(lastTime)`
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| `windows_process_injection_remote_thread_filter`'
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how_to_implement: To successfully implement this search, you must be ingesting data
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that records process activity from your hosts like remote thread EventCode=8 of sysmon.
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If you are using Sysmon, you must have at least version 6.0.4 of the Sysmon TA.
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known_false_positives: unknown
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references:
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- https://twitter.com/pr0xylife/status/1585612370441031680?s=46&t=Dc3CJi4AnM-8rNoacLbScg
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tags:
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analytic_story:
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- Qakbot
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asset_type: 80
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cis20:
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- CIS 3
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- CIS 5
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- CIS 16
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confidence: 80
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context:
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- Source:Endpoint
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- Stage:Defense Evasion
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dataset:
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- https://media.githubusercontent.com/media/splunk/attack_data/master/datasets/malware/qakbot/qbot_wermgr2/sysmon_wermgr2.log
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impact: 80
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kill_chain_phases:
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- Exploitation
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message: process $SourceImage$ create a remote thread to process $TargetImage$ on host $Computer$
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mitre_attack_id:
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- T1055
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- T1055.002
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nist:
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- DE.CM
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observable:
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- name: Computer
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type: Hostname
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role:
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- Victim
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- name: SourceImage
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type: Process
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role:
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- Attacker
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- name: TargetImage
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type: Process
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role:
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- Target
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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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- SourceImage
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- TargetImage
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- TargetProcessId
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- SourceProcessId
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- StartAddress
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- EventCode
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- Computer
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- signature
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- TargetProcessGuid
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- SourceProcessGuid
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- StartAddress
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risk_score: 64
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security_domain: endpoint
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