Incident Score: Analysis & Impact (INS1770616456)

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 Phishing (T1566) with high confidence (90%), supported by evidence indicating insight attributed the breach to a social engineering attack and Phishing: Spearphishing Link (T1566.002) with moderate to high confidence (80%), supported by evidence indicating hackers manipulated employees into granting access. Under the Persistence tactic, the analysis identified Valid Accounts (T1078) with moderate to high confidence (80%), supported by evidence indicating attackers infiltrated HR systems in mid-October 2024, spending months exfiltrating data. Under the Credential Access tactic, the analysis identified Credentials from Password Stores (T1555) with moderate to high confidence (70%), supported by evidence indicating access to HR systems implies credential compromise and Brute Force (T1110) with moderate confidence (50%), supported by evidence indicating prolonged access suggests possible credential testing. Under the Discovery tactic, the analysis identified Account Discovery (T1087) with moderate to high confidence (80%), supported by evidence indicating targeted limited partners and high-net-worth investors and File and Directory Discovery (T1083) with moderate to high confidence (70%), supported by evidence indicating exfiltrated banking, tax records, and personal details. Under the Collection tactic, the analysis identified Data from Local System (T1005) with high confidence (90%), supported by evidence indicating compromised banking and tax records, personal details and Data from Information Repositories (T1213) with moderate to high confidence (80%), supported by evidence indicating accessed HR systems containing sensitive data. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with high confidence (90%), supported by evidence indicating data exfiltration confirmed over months-long period and Transfer Data to Cloud Account (T1537) with moderate confidence (60%), supported by evidence indicating prolonged exfiltration suggests cloud storage use. Under the Impact tactic, the analysis identified Data Encrypted for Impact (T1486) with high confidence (90%), supported by evidence indicating ransomware deployed on January 16, 2025 and Data Destruction (T1485) with moderate confidence (50%), supported by evidence indicating ransomware attack may include data destruction. Under the Defense Evasion tactic, the analysis identified Valid Accounts (T1078) with moderate to high confidence (80%), supported by evidence indicating months-long undetected access via compromised credentials and Hide Artifacts (T1564) with moderate to high confidence (70%), supported by evidence indicating stealthy operation between October 2024 and January 2025. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.