Incident Score: Analysis & Impact (MERIBM1780698286)

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identified Exploit Public-Facing Application (T1190) with moderate confidence (60%), supported by evidence indicating outdated and vulnerable infrastructure and Valid Accounts (T1078) with high confidence (90%), supported by evidence indicating compromising 400 accounts across 18 countries. Under the Persistence tactic, the analysis identified Valid Accounts (T1078) with high confidence (90%), supported by evidence indicating aPT 10 breached IBM’s network over 56,000 times and External Remote Services (T1133) with moderate to high confidence (70%), supported by evidence indicating hackers moving undetected across its systems. Under the Privilege Escalation tactic, the analysis identified Valid Accounts (T1078) with moderate to high confidence (80%), supported by evidence indicating 400 accounts compromised across multiple business units. Under the Defense Evasion tactic, the analysis identified Indicator Removal (T1070) with high confidence (90%), supported by evidence indicating iBM did not retain access logs, hindering investigation and Impair Defenses: Disable or Modify Tools (T1562.001) with moderate to high confidence (70%), supported by evidence indicating outdated and vulnerable infrastructure. Under the Credential Access tactic, the analysis identified OS Credential Dumping (T1003) with moderate to high confidence (80%), supported by evidence indicating 400 accounts compromised and Modify Authentication Process (T1556) with moderate confidence (60%), supported by evidence indicating hackers moving undetected across systems. Under the Discovery tactic, the analysis identified Account Discovery (T1087) with moderate to high confidence (80%), supported by evidence indicating 400 accounts compromised across 18 countries and File and Directory Discovery (T1083) with moderate to high confidence (70%), supported by evidence indicating extensive compromise across multiple business units. Under the Lateral Movement tactic, the analysis identified Remote Services (T1021) with high confidence (90%), supported by evidence indicating hackers moving undetected across 200 systems and Valid Accounts (T1078) with high confidence (90%), supported by evidence indicating compromised 400 accounts. Under the Collection tactic, the analysis identified Data from Local System (T1005) with moderate to high confidence (80%), supported by evidence indicating healthcare data, federal client data potentially compromised and Data from Information Repositories (T1213) with moderate to high confidence (70%), supported by evidence indicating extensive compromise across business units. Under the Command and Control tactic, the analysis identified Application Layer Protocol (T1071) with moderate to high confidence (80%), supported by evidence indicating aPT 10 campaign breached network over 56,000 times and Proxy (T1090) with moderate to high confidence (70%), supported by evidence indicating state-sponsored group operating undetected. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with high confidence (90%), supported by evidence indicating data exfiltration motivation, suspected data exfiltration and Exfiltration Over Web Service (T1567) with moderate to high confidence (70%), supported by evidence indicating state-sponsored group with espionage motivation. Under the Impact tactic, the analysis identified Defacement (T1491) with moderate confidence (50%), supported by evidence indicating potential damage due to undisclosed breaches and Data Destruction (T1485) with lower confidence (40%), supported by evidence indicating extensive compromise, lack of log retention. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.