Incident Score: Analysis & Impact (ORAMIC1775551007)

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 leveraging a mix of zero-day and N-day vulnerabilities to breach internet-facing systems and External Remote Services (T1133) with moderate to high confidence (80%), supported by evidence indicating gaining initial access through recently disclosed flaws before patches are widely deployed. Under the Execution tactic, the analysis identified Command and Scripting Interpreter: PowerShell (T1059.001) with high confidence (90%), supported by evidence indicating living-off-the-land binaries (LOLBins) like PowerShell for lateral movement, Command and Scripting Interpreter: Windows Command Shell (T1059.003) with moderate to high confidence (80%), supported by evidence indicating lOLBins like PsExec for lateral movement, and User Execution: Malicious File (T1204.002) with moderate to high confidence (70%), supported by evidence indicating pDQ Deployer for payload delivery, including Medusa ransomware. Under the Persistence tactic, the analysis identified Create Account: Local Account (T1136.001) with moderate to high confidence (80%), supported by evidence indicating persistence is established through new user accounts, Server Software Component: Web Shell (T1505.003) with high confidence (90%), supported by evidence indicating web shells for persistence, and External Remote Services (T1133) with moderate to high confidence (80%), supported by evidence indicating legitimate remote monitoring and management (RMM) tools for persistence. Under the Privilege Escalation tactic, the analysis identified Exploitation for Privilege Escalation (T1068) with moderate to high confidence (80%), supported by evidence indicating chained multiple exploits (e.g., OWASSRF) for post-compromise activity. Under the Defense Evasion tactic, the analysis identified Impair Defenses: Disable or Modify Tools (T1562.001) with high confidence (90%), supported by evidence indicating security defenses are disrupted via antivirus exclusions, Impair Defenses: Disable or Modify System Firewall (T1562.004) with moderate to high confidence (80%), supported by evidence indicating firewall manipulation to disrupt security defenses, Valid Accounts (T1078) with moderate to high confidence (80%), supported by evidence indicating credential theft for defense evasion, and System Binary Proxy Execution (T1218) with moderate to high confidence (70%), supported by evidence indicating lOLBins like PowerShell, PsExec for lateral movement. Under the Credential Access tactic, the analysis identified OS Credential Dumping (T1003) with high confidence (90%), supported by evidence indicating credential dumping via Mimikatz and Impacket and Credentials from Password Stores (T1555) with moderate to high confidence (70%), supported by evidence indicating credential theft for persistence and lateral movement. Under the Discovery tactic, the analysis identified Account Discovery (T1087) with moderate to high confidence (70%), supported by evidence indicating lateral movement and persistence via new user accounts and File and Directory Discovery (T1083) with moderate confidence (60%), supported by evidence indicating data exfiltration using Bandizip and Rclone. 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 lOLBins like PsExec and Impacket for lateral movement and Remote Services: Windows Remote Management (T1021.006) with moderate to high confidence (70%), supported by evidence indicating abuse of RMM tools for lateral movement. Under the Collection tactic, the analysis identified Data from Local System (T1005) with high confidence (90%), supported by evidence indicating data exfiltration using Bandizip and Rclone. Under the Command and Control tactic, the analysis identified Remote Access Software (T1219) with high confidence (90%), supported by evidence indicating abuse of RMM tools (e.g., AnyDesk, Atera, ConnectWise ScreenConnect) and Ingress Tool Transfer (T1105) with moderate to high confidence (70%), supported by evidence indicating pDQ Deployer for payload delivery. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with high confidence (90%), supported by evidence indicating data exfiltration using Bandizip and Rclone and Exfiltration Over Web Service (T1567) with moderate to high confidence (70%), supported by evidence indicating blend malicious traffic with legitimate encrypted communications. Under the Impact tactic, the analysis identified Data Encrypted for Impact (T1486) with high confidence (90%), supported by evidence indicating deploying Medusa ransomware within 24 hours in some cases and Data Destruction (T1485) with moderate confidence (60%), supported by evidence indicating ransomware attack threatening the organizations existence. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.