Incident Score: Analysis & Impact (ROC1776090710)

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 to high confidence (80%), supported by evidence indicating oneDrive files and email correspondence compromised and Exploit Public-Facing Application (T1190) with moderate confidence (50%), supported by evidence indicating data breach impacting 50,640 individuals. Under the Credential Access tactic, the analysis identified Unsecured Credentials (T1552) with moderate to high confidence (70%), supported by evidence indicating hR records, email correspondence, and provider data compromised and OS Credential Dumping (T1003) with moderate confidence (60%), supported by evidence indicating social Security numbers, financial data, and PINs exposed. Under the Collection tactic, the analysis identified Data from Local System (T1005) with high confidence (90%), supported by evidence indicating 1.7 terabytes of data stolen, including OneDrive files and emails and Data from Information Repositories (T1213) with moderate to high confidence (80%), supported by evidence indicating business operations, HR records, and patient PII/PHI compromised. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with high confidence (90%), supported by evidence indicating 1.7 terabytes of data exfiltrated by threat actor PEAR and Exfiltration Over Web Service (T1567) with moderate to high confidence (70%), supported by evidence indicating data breach disclosed after dark web claim by PEAR. Under the Impact tactic, the analysis identified Data Destruction (T1485) with lower confidence (40%), supported by evidence indicating 1.7 terabytes of data stolen, potential destruction post-exfiltration and Data Manipulation: Transmitted Data Manipulation (T1565.002) with moderate confidence (50%), supported by evidence indicating medical records and diagnosis/treatment details compromised. Under the Defense Evasion tactic, the analysis identified Valid Accounts (T1078) with moderate to high confidence (80%), supported by evidence indicating access to OneDrive files and email correspondence implies valid accounts and Hide Artifacts (T1564) with moderate confidence (60%), supported by evidence indicating breach detected late (January 30, 2026), dark web claim. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.