Incident Score: Analysis & Impact (LEHALASOW1775500819)

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 Valid Accounts (T1078) with moderate confidence (60%), supported by evidence indicating interlock claimed to have stolen 780 GB of data, likely requiring access and Exploit Public-Facing Application (T1190) with moderate confidence (50%), supported by evidence indicating attack encrypted critical data and disrupted access to grades, transcripts. Under the Execution tactic, the analysis identified Exploitation for Client Execution (T1203) with moderate confidence (60%), supported by evidence indicating ransomware attack encrypted critical data and Command and Scripting Interpreter (T1059) with moderate confidence (50%), supported by evidence indicating interlock operates a data leak site, likely using scripts. Under the Credential Access tactic, the analysis identified OS Credential Dumping (T1003) with moderate to high confidence (70%), supported by evidence indicating 780 GB of data stolen, including personal records and financial documents. Under the Lateral Movement tactic, the analysis identified Remote Services (T1021) with moderate confidence (60%), supported by evidence indicating disrupted access to grades, transcripts, and financial records across systems. Under the Collection tactic, the analysis identified Data from Local System (T1005) with moderate to high confidence (80%), supported by evidence indicating 780 GB of data stolen, including personal records, financial documents, and contracts. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with high confidence (90%), supported by evidence indicating interlock claimed to have stolen 780 GB of data, threatening to release it publicly. Under the Impact tactic, the analysis identified Data Encrypted for Impact (T1486) with high confidence (90%), supported by evidence indicating ransomware attack encrypted critical data and disrupted access to grades, transcripts and Inhibit System Recovery (T1490) with moderate to high confidence (70%), supported by evidence indicating college temporarily closed its campus, with in-person classes resuming only on March 30. Under the Defense Evasion tactic, the analysis identified Obfuscated Files or Information (T1027) with moderate confidence (60%), supported by evidence indicating interlock operates a data leak site, likely using obfuscation to evade detection. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.