Incident Score: Analysis & Impact (COL1786984036)

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 unauthorized actor accessed Columbia Machine’s network and Exploit Public-Facing Application (T1190) with lower confidence (40%), supported by evidence indicating attack vector such as Unauthorized network access. Under the Execution tactic, the analysis identified User Execution: Malicious File (T1204.002) with moderate confidence (50%), supported by evidence indicating suspicious activity and data encryption within its systems. Under the Persistence tactic, the analysis identified Valid Accounts (T1078) with moderate confidence (60%), supported by evidence indicating accessed network between March 27 and April 5, 2026. Under the Privilege Escalation tactic, the analysis identified Valid Accounts (T1078) with moderate confidence (50%), supported by evidence indicating accessed files containing sensitive personal data. Under the Defense Evasion tactic, the analysis identified Data Encrypted for Impact (T1486) with moderate to high confidence (80%), supported by evidence indicating data encryption within its systems and Obfuscated Files or Information (T1027) with moderate confidence (50%), supported by evidence indicating complexity of the investigation delayed final assessment. Under the Credential Access tactic, the analysis identified Unsecured Credentials: Credentials In Files (T1552.001) with moderate to high confidence (70%), supported by evidence indicating files containing names, SSNs, driver’s license numbers. Under the Discovery tactic, the analysis identified File and Directory Discovery (T1083) with moderate to high confidence (70%), supported by evidence indicating viewing and exfiltrating files. Under the Collection tactic, the analysis identified Data from Local System (T1005) with high confidence (90%), supported by evidence indicating files containing sensitive personal data were compromised. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate to high confidence (80%), supported by evidence indicating data exfiltration confirmed by investigation. Under the Impact tactic, the analysis identified Data Encrypted for Impact (T1486) with moderate to high confidence (80%), supported by evidence indicating data encryption within its systems and Data Destruction (T1485) with lower confidence (40%), supported by evidence indicating suspicious activity and data encryption. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.