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P4T12ICK
70 lines
2.6 KiB
YAML
70 lines
2.6 KiB
YAML
name: Disable Show Hidden Files
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id: 6f3ccfa2-91fe-11eb-8f9b-acde48001122
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version: 2
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date: '2022-01-27'
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author: Teoderick Contreras, Mauricio Velazco, Splunk
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status: production
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type: TTP
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description: The following analytic is to identify a modification in the Windows registry
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to prevent users from seeing all the files with hidden attributes. This event or
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techniques are known on some worm and trojan spy malware that will drop hidden files
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on the infected machine.
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data_source:
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- Sysmon Event ID 13
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search:
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selection1:
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Details: '0x00000001'
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TargetObject:
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- '*\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Advanced\\HideFileExt'
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- '*\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Advanced\\Hidden'
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selection2:
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Details: '0x00000000'
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TargetObject: '*\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Advanced\\ShowSuperHidden'
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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 `Registry` node. Also make sure
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that this registry was included in your config files ex. sysmon config to be monitored.
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known_false_positives: unknown
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references:
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- https://www.sophos.com/en-us/threat-center/threat-analyses/viruses-and-spyware/W32~Tiotua-P/detailed-analysis
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tags:
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analytic_story:
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- Windows Defense Evasion Tactics
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- Windows Registry Abuse
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- Azorult
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asset_type: Endpoint
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confidence: 100
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impact: 40
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message: Disabled 'Show Hidden Files' on $dest$
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mitre_attack_id:
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- T1564.001
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- T1562.001
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- T1564
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- T1562
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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: 40
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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/T1562.001/win_app_defender_disabling/windows-security.log
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source: WinEventLog:Security
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sourcetype: WinEventLog
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update_timestamp: true
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- data: https://media.githubusercontent.com/media/splunk/attack_data/master/datasets/attack_techniques/T1562.001/win_app_defender_disabling/windows-system.log
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source: WinEventLog:System
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sourcetype: WinEventLog
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update_timestamp: true
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- data: https://media.githubusercontent.com/media/splunk/attack_data/master/datasets/attack_techniques/T1562.001/win_app_defender_disabling/windows-sysmon.log
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source: XmlWinEventLog:Microsoft-Windows-Sysmon/Operational
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sourcetype: xmlwineventlog
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