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P4T12ICK
93 lines
2.9 KiB
YAML
93 lines
2.9 KiB
YAML
name: Suspicious Process File Path
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id: 9be25988-ad82-11eb-a14f-acde48001122
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version: 1
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date: '2021-05-05'
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author: Teoderick Contreras, Splunk
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status: production
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type: TTP
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description: The following analytic will detect a suspicious process running in a
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file path where a process is not commonly seen and is most commonly used by malicious
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software. This behavior has been used by adversaries where they drop and run an
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exe in a path that is accessible without admin privileges.
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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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Processes.process_path.file_path: '*\\Users\\Administrator\\Music\\*'
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selection2:
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Processes.process_path:
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- '*\\windows\\fonts\\*'
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- '*\\windows\\temp\\*'
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- '*\\users\\public\\*'
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- '*\\windows\\debug\\*'
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selection3:
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Processes.process_path.file_path: '*\\Windows\\servicing\\*'
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selection4:
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Processes.process_path.file_path: '*\\Users\\Default\\*'
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selection5:
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Processes.process_path.file_path: '*Recycle.bin*'
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selection6:
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Processes.process_path: '*\\Windows\\Media\\*'
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selection7:
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Processes.process_path: \\Windows\\repair\\*
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selection8:
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Processes.process_path: '*\\temp\\*'
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selection9:
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Processes.process_path: '*\\PerfLogs\\*'
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condition: selection1 or selection2 or selection3 or selection4 or selection5 or
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selection6 or selection7 or selection8 or selection9
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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.
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known_false_positives: Administrators may allow execution of specific binaries in
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non-standard paths. Filter as needed.
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references:
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- https://www.trendmicro.com/vinfo/hk/threat-encyclopedia/malware/trojan.ps1.powtran.a/
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- https://www.microsoft.com/security/blog/2022/01/15/destructive-malware-targeting-ukrainian-organizations/
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- https://twitter.com/pr0xylife/status/1590394227758104576
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tags:
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analytic_story:
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- Data Destruction
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- Double Zero Destructor
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- XMRig
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- Remcos
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- WhisperGate
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- Hermetic Wiper
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- Industroyer2
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- DarkCrystal RAT
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- Brute Ratel C4
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- AgentTesla
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- Qakbot
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- IcedID
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- Trickbot
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- Azorult
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- Prestige Ransomware
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asset_type: Endpoint
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confidence: 50
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impact: 70
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message: Suspicioues process $Processes.process_path.file_path$ running from suspicious
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location
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mitre_attack_id:
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- T1543
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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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- name: Processes.process_path.file_path
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type: File Name
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role:
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- Attacker
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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: 35
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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/malware/xmrig_miner/windows-sysmon.log
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source: XmlWinEventLog:Microsoft-Windows-Sysmon/Operational
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sourcetype: xmlwineventlog
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