Incident Score: Analysis & Impact (GOO1784139935)

Rankiteo's analysis has identified several MITRE ATT&CK tactics and techniques associated with this incident, each with varying levels of confidence based on available evidence. Under the Initial Access tactic, the analysis identified Exploit Public-Facing Application (T1190) with lower confidence (40%), supported by evidence indicating existing C&C infrastructure...was blocked by firewalls and antivirus software and Valid Accounts (T1078) with moderate to high confidence (70%), supported by evidence indicating targeted eight compromised machines in a dental clinic. Under the Execution tactic, the analysis identified Command and Scripting Interpreter: PowerShell (T1059.001) with high confidence (90%), supported by evidence indicating powerShell beacon polling the server every five seconds over HTTPS and User Execution: Malicious File (T1204.002) with moderate to high confidence (80%), supported by evidence indicating aI-generated PowerShell execution from *%TEMP%* with filenames like *win_update_svc_**. Under the Persistence tactic, the analysis identified Event Triggered Execution: Windows Management Instrumentation Event Subscription (T1546.003) with high confidence (90%), supported by evidence indicating wMI event subscription for persistence with Administrator rights, Boot or Logon Autostart Execution: Registry Run Keys / Startup Folder (T1547.001) with moderate to high confidence (80%), supported by evidence indicating hijacks *HKCU such as \Environment\UserInitMprLogonScript* for non-admin persistence, and Scheduled Task/Job: Scheduled Task (T1053.005) with moderate to high confidence (80%), supported by evidence indicating registers a disguised scheduled task for persistence. Under the Privilege Escalation tactic, the analysis identified Scheduled Task/Job: Scheduled Task (T1053.005) with moderate to high confidence (70%), supported by evidence indicating persistence mechanisms adapt based on privilege level and Event Triggered Execution: Windows Management Instrumentation Event Subscription (T1546.003) with moderate to high confidence (70%), supported by evidence indicating wMI event subscription configured for Administrator rights. Under the Defense Evasion tactic, the analysis identified Masquerading: Match Legitimate Name or Location (T1036.005) with high confidence (90%), supported by evidence indicating copies *powershell.exe* to *%APPDATA%\Microsoft\Windows\Runtime\svchost.exe*, Indicator Removal: Timestomp (T1070.006) with moderate confidence (60%), supported by evidence indicating in-memory Python HTTP server leaves no forensic trail, Hide Artifacts: Hidden Window (T1564.003) with moderate to high confidence (70%), supported by evidence indicating powerShell beacon polling every five seconds over HTTPS, and Deobfuscate/Decode Files or Information (T1140) with moderate confidence (50%), supported by evidence indicating aI regenerates fresh artifacts (filenames, registry keys) via prompts. Under the Credential Access tactic, the analysis identified Credentials from Password Stores (T1555) with moderate to high confidence (80%), supported by evidence indicating pulling passwords from the *AntiPublic* database and Brute Force: Password Guessing (T1110.001) with moderate to high confidence (70%), supported by evidence indicating using Gemini CLI to generate password variants for brute-force attacks. Under the Discovery tactic, the analysis identified Account Discovery: Domain Account (T1087.002) with moderate to high confidence (70%), supported by evidence indicating mapping a victim’s VPN, MFA setup, and internal admin panels from a *1Password* dump and Network Service Discovery (T1046) with moderate confidence (60%), supported by evidence indicating reconnaissance of victim’s internal admin panels. Under the Command and Control tactic, the analysis identified Application Layer Protocol: Web Protocols (T1071.001) with high confidence (90%), supported by evidence indicating c&C server uses */api/v1* paths over HTTPS to blend with legitimate traffic, Ingress Tool Transfer (T1105) with moderate to high confidence (80%), supported by evidence indicating powerShell beacon polling the C&C server every five seconds, Encrypted Channel: Asymmetric Cryptography (T1573.002) with moderate to high confidence (70%), supported by evidence indicating hTTPS used for C&C communication, and Proxy: External Proxy (T1090.002) with moderate to high confidence (80%), supported by evidence indicating cloudflare tunnels used for C&C infrastructure. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate to high confidence (80%), supported by evidence indicating access to the *OpenDental* patient database, potential data exfiltration and Exfiltration Over Web Service: Exfiltration to Cloud Storage (T1567.002) with moderate confidence (50%), supported by evidence indicating cloudflare tunnels may facilitate data exfiltration. Under the Impact tactic, the analysis identified Defacement: Internal Defacement (T1491.001) with lower confidence (40%), supported by evidence indicating unauthorized access to dental clinic systems and Account Access Removal (T1531) with lower confidence (30%), supported by evidence indicating potential disruption of dental clinic operations. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.