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Medium CINC-20251221-9BC44AC7 new

Aggregate ID: aggind:561559e2fcea400ba3601b74d64aa30b:4467518476

Incident Overview

Incident ID CINC-20251221-9BC44AC7
Severity Medium (70)
Status new
Alert Count 4
Host Count 1

Timeline

First Seen 2025-12-22 06:58:48
Last Seen 2025-12-22 06:58:58
Duration 0d 0h 0m
Created 2025-12-22 08:36
Updated 2026-01-13 15:14

Kill Chain Analysis

Rec... Ini... Exe... Per... Pri... Def... Cre... Dis... Lat... Col... Com... Exf... Imp...
Observed Tactics:
AI Powered IOA Execution
Techniques:
Command and Scripting Interpreter PowerShell

Affected Hosts (1)

DESKTOP-FNUMV3U

Related Alerts (4)

Severity Status Hostname Description Tactic Command Line Time
High new DESKTOP-FNUMV3U A script meets the cloud-based behavioral machine learning model threshold for suspicious activity. Detection is based on code similarities to known malicious PowerShell scripts. AI Powered IOA powershell -c "[Ref].Assembly.GetType('System.Management.Automation.AmsiUtils').GetField('amsiInitFailed','NonPublic,Static').SetValue($null,$true)" 12-22 06:58
High new DESKTOP-FNUMV3U A script meets the cloud-based behavioral machine learning model threshold for suspicious activity. Detection is based on code similarities to known malicious PowerShell scripts. AI Powered IOA powershell -c "[Ref].Assembly.GetType('System.Management.Automation.AmsiUtils').GetField('amsiInitFailed','NonPublic,Static').SetValue($null,$true)" 12-22 06:58
High new DESKTOP-FNUMV3U A script meets the cloud-based behavioral machine learning model threshold for suspicious activity. Detection is based on code similarities to known malicious PowerShell scripts. AI Powered IOA powershell -c "[Ref].Assembly.GetType('System.Management.Automation.AmsiUtils').GetField('amsiInitFailed','NonPublic,Static').SetValue($null,$true)" 12-22 06:58
High new DESKTOP-FNUMV3U A PowerShell script attempted to bypass Microsoft's AntiMalware Scan Interface (AMSI). PowerShell exploit kits often attempt to bypass AMSI to evade detection. Review the script. Execution powershell -c "[Ref].Assembly.GetType('System.Management.Automation.AmsiUtils').GetField('amsiInitFailed','NonPublic,Static').SetValue($null,$true)" 12-22 06:58