Incident Score: Analysis & Impact (STR1779805618)

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 (60%), supported by evidence indicating breach involved 700GB of stolen data, including emails and backups and Trusted Relationship (T1199) with moderate confidence (50%), supported by evidence indicating iranian state-linked hackers; proxy groups to obscure involvement. Under the Execution tactic, the analysis identified Exploitation for Client Execution (T1203) with moderate confidence (50%), supported by evidence indicating forced temporary network shutdown; disruptions to arrival screens. Under the Persistence tactic, the analysis identified Account Manipulation (T1098) with lower confidence (40%), supported by evidence indicating 700GB of stolen data, including backups left exposed online. Under the Privilege Escalation tactic, the analysis identified Valid Accounts (T1078) with moderate confidence (60%), supported by evidence indicating iranian state-linked hackers; forensic evidence linking to Tehran. Under the Defense Evasion tactic, the analysis identified Masquerading (T1036) with moderate to high confidence (70%), supported by evidence indicating ababil of Minab, a pro-Iran hacking group; proxy groups to obscure and Hide Artifacts: Hidden Files and Directories (T1564.001) with moderate confidence (50%), supported by evidence indicating 700GB of stolen data left exposed online. Under the Credential Access tactic, the analysis identified Adversary-in-the-Middle (T1557) with moderate confidence (60%), supported by evidence indicating disruptions to transit card payment systems and Brute Force (T1110) with lower confidence (40%), supported by evidence indicating iranian state-linked hackers; ongoing investigation. Under the Discovery tactic, the analysis identified Account Discovery (T1087) with moderate confidence (50%), supported by evidence indicating 700GB of data (emails, backups) stolen. Under the Collection tactic, the analysis identified Data from Local System (T1005) with moderate to high confidence (80%), supported by evidence indicating 700GB of stolen data, including emails and backups and Email Collection (T1114) with high confidence (90%), supported by evidence indicating emails and backups left exposed online. Under the Command and Control tactic, the analysis identified Application Layer Protocol (T1071) with moderate confidence (60%), supported by evidence indicating iranian state-linked hackers; forensic evidence linking to Tehran. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with high confidence (90%), supported by evidence indicating 700GB of data exposed online; data breach impacting transit systems and Exfiltration Over Web Service (T1567) with moderate to high confidence (70%), supported by evidence indicating 700GB of stolen data left exposed online. Under the Impact tactic, the analysis identified Endpoint Denial of Service (T1499) with moderate to high confidence (80%), supported by evidence indicating temporary shutdown of parts of the network; disruptions to arrival screens, Data Manipulation (T1565) with moderate confidence (50%), supported by evidence indicating disruptions to transit card payment systems, and Financial Theft (T1657) with lower confidence (40%), supported by evidence indicating disruptions to transit card payment systems. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.