Incident Score: Analysis & Impact (CISSYMFBIFOR1768715192)

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 high confidence (90%), supported by evidence indicating exploiting known vulnerabilities in public-facing applications, particularly Microsoft Exchange Server and Phishing: Spearphishing Attachment (T1566.001) with moderate confidence (50%), supported by evidence indicating initial access brokers (commonly use phishing as entry point). Under the Execution tactic, the analysis identified Command and Scripting Interpreter: PowerShell (T1059.001) with moderate to high confidence (80%), supported by evidence indicating powerShell commands (Base64-encoded to avoid detection) and User Execution: Malicious File (T1204.002) with moderate to high confidence (70%), supported by evidence indicating deploy remote management tools like SimpleHelp, AnyDesk, MeshAgent for persistence. Under the Persistence tactic, the analysis identified Valid Accounts (T1078) with moderate to high confidence (70%), supported by evidence indicating legitimate remote access tools like ConnectWise and PsExec to move undetected and External Remote Services (T1133) with moderate to high confidence (80%), supported by evidence indicating deploy remote management tools like SimpleHelp, AnyDesk, MeshAgent for persistence. Under the Privilege Escalation tactic, the analysis identified Exploitation for Privilege Escalation (T1068) with moderate to high confidence (70%), supported by evidence indicating exploiting vulnerabilities in ConnectWise ScreenConnect (CVE-2024-1709) and Fortinet EMS (CVE-2023-48788) and Abuse Elevation Control Mechanism: Bypass User Account Control (T1548.002) with moderate confidence (60%), supported by evidence indicating bring Your Own Vulnerable Driver (BYOVD) technique to disable antivirus software. Under the Defense Evasion tactic, the analysis identified Indicator Removal: Clear Command History (T1070.003) with moderate to high confidence (80%), supported by evidence indicating deleting PowerShell command histories to evade detection, Impair Defenses: Disable or Modify Tools (T1562.001) with high confidence (90%), supported by evidence indicating terminating endpoint detection and response (EDR) tools, BYOVD technique using KillAV, and Obfuscated Files or Information (T1027) with moderate to high confidence (80%), supported by evidence indicating powerShell commands (Base64-encoded to avoid detection). Under the Credential Access tactic, the analysis identified OS Credential Dumping (T1003) with moderate to high confidence (80%), supported by evidence indicating mimikatz for credential theft and Credentials from Password Stores (T1555) with moderate to high confidence (70%), supported by evidence indicating navicat for database access (implies credential harvesting). Under the Discovery tactic, the analysis identified Account Discovery (T1087) with moderate to high confidence (70%), supported by evidence indicating advanced IP Scanner and SoftPerfect Network Scanner for reconnaissance and Network Service Discovery (T1046) with moderate to high confidence (70%), supported by evidence indicating advanced IP Scanner and SoftPerfect Network Scanner for reconnaissance. Under the Lateral Movement tactic, the analysis identified Remote Services: SMB/Windows Admin Shares (T1021.002) with moderate to high confidence (80%), supported by evidence indicating pDQ Deploy for lateral movement and payload delivery, PsExec for movement and Exploitation of Remote Services (T1210) with moderate to high confidence (70%), supported by evidence indicating exploiting vulnerabilities in public-facing applications for lateral spread. Under the Collection tactic, the analysis identified Data from Local System (T1005) with high confidence (90%), supported by evidence indicating stealing sensitive data before encrypting networks (double extortion) and Data Staged: Local Data Staging (T1074.001) with moderate to high confidence (80%), supported by evidence indicating roboCopy and Rclone for data exfiltration. Under the Command and Control tactic, the analysis identified Ingress Tool Transfer (T1105) with moderate to high confidence (80%), supported by evidence indicating deploy remote management tools like SimpleHelp, AnyDesk, MeshAgent and Proxy: Internal Proxy (T1090.001) with moderate to high confidence (70%), supported by evidence indicating ligolo and Cloudflared for command-and-control (C2) evasion. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with high confidence (90%), supported by evidence indicating roboCopy and Rclone for data exfiltration, double extortion tactics and Exfiltration Over Web Service: Exfiltration to Cloud Storage (T1567.002) with moderate to high confidence (70%), supported by evidence indicating rclone for data exfiltration (commonly used for cloud storage exfil). Under the Impact tactic, the analysis identified Data Encrypted for Impact (T1486) with high confidence (100%), supported by evidence indicating data encryption as part of ransomware attack, ransoms ranging from $100K to $15M and Inhibit System Recovery (T1490) with moderate to high confidence (70%), supported by evidence indicating ransomware encrypting networks, disabling recovery options. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.