Incident Score: Analysis & Impact (TRU1777295519)

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 (95%), with evidence including exploiting critical vulnerabilities in TrueConf video conferencing software, and bDU-2025-10116 (CVSS 9.8) - Command injection flaw enabling arbitrary OS command execution. Under the Execution tactic, the analysis identified Command and Scripting Interpreter (T1059) with high confidence (90%), with evidence including execute remote commands on vulnerable servers, and pHP-based web shell for file uploads and remote command execution and Exploitation for Client Execution (T1203) with moderate to high confidence (85%), supported by evidence indicating phantomPxPigeon, a malicious TrueConf client with reverse shell capabilities. Under the Persistence tactic, the analysis identified Create Account (T1136) with moderate to high confidence (80%), supported by evidence indicating created a rogue admin account (TrueConf2) on breached servers, Server Software Component: Web Shell (T1505.003) with high confidence (90%), supported by evidence indicating deploying a PHP-based web shell for file uploads and remote command execution, and Account Manipulation (T1098) with moderate to high confidence (75%), supported by evidence indicating insufficient access control allowing unauthenticated requests to administrative endpoints (BDU such as 2025-10114). Under the Privilege Escalation tactic, the analysis identified Exploitation for Privilege Escalation (T1068) with moderate to high confidence (85%), supported by evidence indicating bDU-2025-10116 (CVSS 9.8) - Command injection flaw enabling arbitrary OS command execution. Under the Defense Evasion tactic, the analysis identified Masquerading (T1036) with moderate to high confidence (70%), supported by evidence indicating phantomPxPigeon, a malicious TrueConf client with reverse shell capabilities and Impair Defenses: Disable or Modify Tools (T1562.001) with moderate confidence (60%), supported by evidence indicating high stealth, remaining undetected in victim networks for extended periods. Under the Credential Access tactic, the analysis identified OS Credential Dumping (T1003) with moderate to high confidence (85%), with evidence including veeam-Get-Creds for credential harvesting, and dumpIt and MemProcFS for extracting sensitive data and Unsecured Credentials: Credentials In Files (T1552.001) with moderate to high confidence (70%), supported by evidence indicating arbitrary file read vulnerability (BDU such as 2025-10115). Under the Discovery tactic, the analysis identified Account Discovery (T1087) with moderate to high confidence (75%), supported by evidence indicating aDRecon for reconnaissance and Network Service Discovery (T1046) with moderate to high confidence (70%), supported by evidence indicating lateral movement using WinRM, RDP, and Velociraptor. Under the Lateral Movement tactic, the analysis identified Remote Services: Remote Desktop Protocol (T1021.001) with moderate to high confidence (85%), supported by evidence indicating lateral movement using RDP, Remote Services: Windows Remote Management (T1021.006) with moderate to high confidence (85%), supported by evidence indicating lateral movement using WinRM, and Lateral Tool Transfer (T1570) with moderate to high confidence (80%), supported by evidence indicating reverse SSH tunnels (PhantomSscp, MacTunnelRat, PhantomProxyLite). Under the Collection tactic, the analysis identified Data from Local System (T1005) with high confidence (90%), supported by evidence indicating dumpIt and MemProcFS for extracting sensitive data and Data from Network Shared Drive (T1039) with moderate to high confidence (70%), supported by evidence indicating arbitrary file read vulnerability (BDU such as 2025-10115). Under the Command and Control tactic, the analysis identified Proxy (T1090) with moderate to high confidence (85%), supported by evidence indicating sOCKS proxies (microsocks, rsocx, tsocks) to control compromised hosts, Ingress Tool Transfer (T1105) with moderate to high confidence (80%), supported by evidence indicating deploying custom malware (PhantomPxPigeon, PhantomProxyLite), and Application Layer Protocol: Web Protocols (T1071.001) with moderate to high confidence (75%), supported by evidence indicating pHP-based web shell for remote command execution. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with high confidence (90%), with evidence including data exfiltration, and reverse SSH tunnels (PhantomSscp, MacTunnelRat) and Exfiltration Over Web Service (T1567) with moderate to high confidence (70%), supported by evidence indicating sOCKS proxies (microsocks, rsocx) for data exfiltration. Under the Impact tactic, the analysis identified Data Encrypted for Impact (T1486) with moderate to high confidence (80%), supported by evidence indicating ransomware deployment including variants based on leaked Babuk and LockBit source code and Defacement (T1491) with moderate confidence (60%), supported by evidence indicating network disruption as part of politically motivated attacks. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.