Incident Score: Analysis & Impact (CITFRO1776918350)

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 no details on the breach’s origin, but ransomware gangs often exploit vulnerabilities and Valid Accounts (T1078) with moderate confidence (60%), supported by evidence indicating financial institutions are high-value targets for credential-based attacks. Under the Credential Access tactic, the analysis identified Brute Force (T1110) with moderate confidence (50%), supported by evidence indicating common tactic for ransomware gangs targeting financial institutions and Credentials from Password Stores (T1555) with moderate confidence (60%), supported by evidence indicating sensitive financial data accessed suggests possible credential theft. Under the Collection tactic, the analysis identified Data from Local System (T1005) with moderate to high confidence (80%), supported by evidence indicating 3.4 million records, including names, addresses, and account numbers compromised and Data from Network Shared Drive (T1039) with moderate to high confidence (70%), supported by evidence indicating large-scale data exfiltration suggests access to shared financial systems. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with high confidence (90%), supported by evidence indicating everest ransomware gang listed stolen data on dark web leak site and Exfiltration Over Web Service (T1567) with moderate to high confidence (70%), supported by evidence indicating data exfiltration via dark web leak site for extortion purposes. Under the Impact tactic, the analysis identified Data Encrypted for Impact (T1486) with moderate confidence (50%), supported by evidence indicating ransomware attack implies possible data encryption, though not confirmed and Defacement (T1491) with lower confidence (40%), supported by evidence indicating threat to publicly release data unless ransom paid. Under the Lateral Movement tactic, the analysis identified Remote Services (T1021) with moderate confidence (60%), supported by evidence indicating multiple banks affected suggests possible lateral movement within networks. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.