Potential Remote Credential Access via Registry

Last updated 2 years ago on 2024-05-21

Created 4 years ago on 2022-03-01

About

Identifies remote access to the registry to potentially dump credential data from the Security Account Manager (SAM) registry hive in preparation for credential access and privileges elevation.

Tags

Domain: EndpointOS: WindowsUse Case: Threat DetectionTactic: Lateral MovementTactic: Credential AccessData Source: Elastic DefendLanguage: eql

Severity

high

Risk Score

MITRE ATT&CK™

Credential Access (TA0006)(external, opens in a new tab or window)

↳ OS Credential Dumping (T1003)(external, opens in a new tab or window)

Lateral Movement (TA0008)(external, opens in a new tab or window)

↳ Remote Services (T1021)(external, opens in a new tab or window)

License

Elastic License v2(external, opens in a new tab or window)

Definition

Rule Type: Event Correlation Rule
Integration Pack: Prebuilt Security Detection Rules
Index Patterns: logs-endpoint.events.file-*
Related Integrations: endpoint(external, opens in a new tab or window)
Query

✄𐘗text code block:
✄𐘗file where host.os.type == "windows" and
  event.action == "creation" and process.name : "svchost.exe" and
  file.Ext.header_bytes : "72656766*" and user.id : ("S-1-5-21-*", "S-1-12-1-*") and file.size >= 30000 and
  file.path : ("?:\\Windows\\system32\\*.tmp", "?:\\WINDOWS\\Temp\\*.tmp")

Install detection rules in Elastic Security

Detect Potential Remote Credential Access via Registry in the Elastic Security detection engine by installing this rule into your Elastic Stack.

To setup this rule, check out the installation guide for Prebuilt Security Detection Rules(external, opens in a new tab or window).