Incident Score: Analysis & Impact (PAT1787716078)

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 breached multiple UK schools, stealing and leaking highly sensitive documents and Valid Accounts (T1078) with moderate confidence (60%), supported by evidence indicating unauthorized access by a third party on 7 October. Under the Execution tactic, the analysis identified User Execution: Malicious File (T1204.002) with lower confidence (40%), supported by evidence indicating disrupting IT infrastructure and phone lines. Under the Persistence tactic, the analysis identified Valid Accounts (T1078) with moderate confidence (60%), supported by evidence indicating accessed internal systems on 28 September 2022. Under the Credential Access tactic, the analysis identified OS Credential Dumping (T1003) with moderate confidence (50%), supported by evidence indicating staff contracts, pay scales, and confidential documents compromised and Unsecured Credentials: Credentials In Files (T1552.001) with moderate to high confidence (70%), supported by evidence indicating passport scans, staff contracts, headmaster’s salary accessed. Under the Discovery tactic, the analysis identified File and Directory Discovery (T1083) with moderate to high confidence (80%), supported by evidence indicating hackers used generic search terms to extract comprehensive datasets. Under the Collection tactic, the analysis identified Data from Local System (T1005) with high confidence (90%), supported by evidence indicating 18,680 files leaked, including staff contracts and budget details and Data from Information Repositories (T1213) with moderate to high confidence (80%), supported by evidence indicating microsoft Teams-based teaching materials and internal storage files accessed. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with high confidence (90%), supported by evidence indicating data exfiltration confirmed, files published on Vice Society’s dark web site and Exfiltration Over Web Service (T1567) with moderate to high confidence (70%), supported by evidence indicating stolen data leaked on the dark web (specialized software required). Under the Impact tactic, the analysis identified Data Encrypted for Impact (T1486) with moderate confidence (50%), supported by evidence indicating type such as Ransomware, Vice Society known for ransom demands and Defacement (T1491) with lower confidence (40%), supported by evidence indicating data leaked on dark web, brand reputation impact noted. Under the Defense Evasion tactic, the analysis identified Valid Accounts (T1078) with moderate confidence (60%), supported by evidence indicating unauthorized access by a third party, no evidence of data theft initially and Hide Artifacts: Hidden Files and Directories (T1564.001) with moderate confidence (50%), supported by evidence indicating data published on dark web (specialized software required). These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.