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MediumSplunk security contentTeoderick Contreras +1

Windows Modify Registry DontShowUI

The following analytic detects modifications to the Windows Error Reporting registry key "DontShowUI" to suppress error reporting dialogs. It leverages data from the Endpoint datamodel's Registry node to identify…

Description

The following analytic detects modifications to the Windows Error Reporting registry key "DontShowUI" to suppress error reporting dialogs. It leverages data from the Endpoint datamodel's Registry node to identify changes where the registry value is set to 0x00000001. This activity is significant as it is commonly associated with DarkGate malware, which uses this modification to avoid detection during its installation. If confirmed malicious, this behavior could allow attackers to maintain a low profile, avoiding user alerts and potentially enabling further malicious activities without user intervention.

Detection logic

Detection requirements

Platform
Windows

The rule states no platform. This is derived from the ATT&CK technique it maps to.

Log source category
sysmon_eventid_13

Known benign triggers

  • Administrators may enable or disable this feature that may cause some false positive, however is not common. Filter as needed.

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