Incident Score: Analysis & Impact (NAMTELPAR1773995423)

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 moderate confidence (50%), supported by evidence indicating unauthorized activity within NAC’s network systems and External Remote Services (T1133) with moderate confidence (60%), supported by evidence indicating iNC Ransomware Group targeting public/private sectors globally. Under the Execution tactic, the analysis identified User Execution: Malicious File (T1204.002) with moderate to high confidence (70%), supported by evidence indicating ransomware attack detected following unauthorized activity. Under the Persistence tactic, the analysis identified Valid Accounts (T1078) with moderate confidence (60%), supported by evidence indicating unauthorized activity within NAC’s network systems. Under the Privilege Escalation tactic, the analysis identified Valid Accounts (T1078) with moderate confidence (60%), supported by evidence indicating access to financial records, HR info, and customer details. Under the Defense Evasion tactic, the analysis identified Obfuscated Files or Information (T1027) with moderate to high confidence (70%), supported by evidence indicating iNC Ransomware Group employs double-extortion method and Data Encrypted for Impact (T1486) with high confidence (90%), supported by evidence indicating data encryption confirmed in ransomware attack. Under the Credential Access tactic, the analysis identified OS Credential Dumping (T1003) with moderate confidence (60%), supported by evidence indicating access to HR information and customer details. Under the Discovery tactic, the analysis identified File and Directory Discovery (T1083) with moderate to high confidence (70%), supported by evidence indicating 500GB of sensitive data stolen, including financial records. Under the Collection tactic, the analysis identified Data from Local System (T1005) with moderate to high confidence (80%), supported by evidence indicating financial records, HR info, and customer details compromised. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with high confidence (90%), supported by evidence indicating 500GB of data stolen; threat to release stolen data. Under the Impact tactic, the analysis identified Data Encrypted for Impact (T1486) with high confidence (90%), supported by evidence indicating systems encrypted as part of double-extortion method and Defacement (T1491) with moderate confidence (50%), supported by evidence indicating iNC Ransomware Group announced attack publicly. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.