Lateral Movement Review

Open

INV-1001 · Opened 10 Jul 2026

Critical Priority Subnet 10.20.0.0/16

24

Evidence Items

09

IOCs

03

Days Open

02

Linked Incidents
Investigation Timeline
6 Steps
Case Opened

Alert triaged from SIEM correlation rule "SMB pivot".

10 Jul 2026, 08:12
Scope Assessment

Identified 4 affected hosts across the finance VLAN.

10 Jul 2026, 09:40
Log Collection

Pulled EDR and firewall logs for the last 72 hours.

10 Jul 2026, 11:05
Malicious Tooling Found

Detected PsExec and Mimikatz artifacts on WKS-2043.

11 Jul 2026, 14:22
Containment Applied

Isolated affected endpoints and rotated credentials.

12 Jul 2026, 10:15
Analysis In Progress

Building root-cause timeline for final report.

12 Jul 2026, 16:48
Evidence
Add
ArtifactTypeSource HostCollectedStatus
mimikatz.exe
BinaryWKS-204311 Jul 2026 Malicious
security.evtx
Event LogDC-0110 Jul 2026 Reviewing
pcap-072026.pcap
Network CaptureFW-EDGE-0210 Jul 2026 Analyzed
memory.dmp
Memory ImageWKS-204311 Jul 2026 Queued
Case Details
  • Case IDINV-1001
  • PriorityCritical
  • StatusOpen
  • CategoryLateral Movement
  • Opened10 Jul 2026
  • Linked IncidentsINC-2043, INC-2044
Lead Analyst
James Allaire

Senior Threat Analyst

Online
Collaborators
5
+1

Esther Schmidt, Valerie Padgett, Michael Smith and 2 others are assigned to this case.