Windows SOAPHound Binary Execution

Original Source: [splunk source]
Name:Windows SOAPHound Binary Execution
id:8e53f839-e127-4d6d-a54d-a2f67044a57f
version:5
date:2024-11-28
author:Michael Haag, Splunk
status:production
type:TTP
Description:The following analytic detects the execution of the SOAPHound binary (`soaphound.exe`) with specific command-line arguments. It leverages data from Endpoint Detection and Response (EDR) agents, focusing on process names, command-line arguments, and other process-related metadata. This activity is significant because SOAPHound is a known tool used for credential dumping and other malicious activities. If confirmed malicious, this behavior could allow an attacker to extract sensitive information, escalate privileges, or persist within the environment, posing a severe threat to organizational security.
Data_source:
  • -Sysmon EventID 1
  • -Windows Event Log Security 4688
  • -CrowdStrike ProcessRollup2
search:| tstats `security_content_summariesonly` count min(_time) as firstTime max(_time) as lastTime from datamodel=Endpoint.Processes where Processes.process_name="soaphound.exe" OR Processes.original_file_name="soaphound.exe" AND Processes.process IN ("*--buildcache *", "*--bhdump *", "*--certdump *", "*--dnsdump *", "*-c *", "*--cachefilename *", "*-o *", "*--outputdirectory *") by Processes.process Processes.dest Processes.process_current_directory Processes.process_name Processes.process_path Processes.process_integrity_level Processes.parent_process Processes.parent_process_path Processes.parent_process_guid Processes.parent_process_id Processes.process_guid Processes.process_id Processes.user
| `drop_dm_object_name(Processes)`
| `security_content_ctime(firstTime)`
| `security_content_ctime(lastTime)`| `windows_soaphound_binary_execution_filter`


how_to_implement:The detection is based on data that originates from Endpoint Detection and Response (EDR) agents. These agents are designed to provide security-related telemetry from the endpoints where the agent is installed. To implement this search, you must ingest logs that contain the process GUID, process name, and parent process. Additionally, you must ingest complete command-line executions. These logs must be processed using the appropriate Splunk Technology Add-ons that are specific to the EDR product. The logs must also be mapped to the `Processes` node of the `Endpoint` data model. Use the Splunk Common Information Model (CIM) to normalize the field names and speed up the data modeling process.
known_false_positives:False positives should be limited as the command-line arguments are specific to SOAPHound. Filter as needed.
References:
  -https://github.com/FalconForceTeam/SOAPHound
drilldown_searches:
name:'View the detection results for - "$dest$"'
search:'%original_detection_search% | search dest = "$dest$"'
earliest_offset:'$info_min_time$'
latest_offset:'$info_max_time$'
name:'View risk events for the last 7 days for - "$dest$"'
search:'| from datamodel Risk.All_Risk | search normalized_risk_object IN ("$dest$") starthoursago=168 | stats count min(_time) as firstTime max(_time) as lastTime values(search_name) as "Search Name" values(risk_message) as "Risk Message" values(analyticstories) as "Analytic Stories" values(annotations._all) as "Annotations" values(annotations.mitre_attack.mitre_tactic) as "ATT&CK Tactics" by normalized_risk_object | `security_content_ctime(firstTime)` | `security_content_ctime(lastTime)`'
earliest_offset:'$info_min_time$'
latest_offset:'$info_max_time$'
tags:
  analytic_story:
    - 'Windows Discovery Techniques'
    - 'Compromised Windows Host'
  asset_type:Endpoint
  atomic_guid:
  confidence:100
  impact:80
  message:The process $process_name$ was executed on $dest$ related to SOAPHound.
  mitre_attack_id:
    - 'T1087.002'
    - 'T1069.001'
    - 'T1482'
    - 'T1087.001'
    - 'T1087'
    - 'T1069.002'
    - 'T1069'
  observable:
    name:'process_name'
    type:'Process'
    - role:
      - 'Victim'
    name:'dest'
    type:'Hostname'
    - role:
      - 'Victim'
  product:
    - 'Splunk Enterprise'
    - 'Splunk Enterprise Security'
    - 'Splunk Cloud'
  risk_score:80
  required_fields:
    - 'Processes.process'
    - 'Processes.dest'
    - 'Processes.process_current_directory'
    - 'Processes.process_path'
    - 'Processes.process_integrity_level'
    - 'Processes.parent_process'
    - 'Processes.parent_process_path'
    - 'Processes.parent_process_guid'
    - 'Processes.parent_process_id'
    - 'Processes.process_guid'
    - 'Processes.process_id'
    - 'Processes.user'
    - 'Processes.original_file_nam'
  security_domain:endpoint

tests:
name:'True Positive Test'
 attack_data:
  data: https://media.githubusercontent.com/media/splunk/attack_data/master/datasets/attack_techniques/T1059.001/soaphound/sysmon_soaphound.log
  source: XmlWinEventLog:Microsoft-Windows-Sysmon/Operational
  sourcetype: XmlWinEventLog
manual_test:None