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P4T12ICK
66 lines
2.2 KiB
YAML
66 lines
2.2 KiB
YAML
name: Create Remote Thread In Shell Application
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id: 10399c1e-f51e-11eb-b920-acde48001122
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version: 1
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date: '2021-08-04'
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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: This search is to detect suspicious process injection in command shell.
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This technique was seen in IcedID where it execute cmd.exe process to inject its
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shellcode as part of its execution as banking trojan. It is really uncommon to have
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a create remote thread execution in the following application.
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data_source:
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- Sysmon Event ID 8
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search: '`sysmon` EventCode=8 TargetImage IN ("*\\cmd.exe", "*\\powershell*") | stats
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count min(_time) as firstTime max(_time) as lastTime by TargetImage TargetProcessId
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SourceProcessId EventCode StartAddress SourceImage Computer | `security_content_ctime(firstTime)`
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| `security_content_ctime(lastTime)` | `create_remote_thread_in_shell_application_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.
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known_false_positives: unknown
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references:
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- https://thedfirreport.com/2021/07/19/icedid-and-cobalt-strike-vs-antivirus/
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tags:
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analytic_story:
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- IcedID
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- Qakbot
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asset_type: Endpoint
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confidence: 100
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impact: 70
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message: process $SourceImage$ create a remote thread to shell app process $TargetImage$
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in host $Computer$
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mitre_attack_id:
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- T1055
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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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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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risk_score: 70
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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/icedid/simulated_icedid/windows-sysmon.log
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source: XmlWinEventLog:Microsoft-Windows-Sysmon/Operational
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sourcetype: xmlwineventlog
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