Incident Score: Analysis & Impact (23A1784263022)

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 to high confidence (80%), supported by evidence indicating exploited Microsoft IIS to upload a web shell, Valid Accounts: Cloud Accounts (T1078.004) with high confidence (90%), supported by evidence indicating breach stemmed from credential stuffing (23andMe), and Phishing: Spearphishing Attachment (T1566.001) with moderate to high confidence (70%), supported by evidence indicating fake ticketing sites mimicking Ticketmaster, AXS (Celine Dion scam). Under the Execution tactic, the analysis identified Exploitation for Client Execution (T1203) with moderate to high confidence (70%), supported by evidence indicating exploited SharePoint Server (CVE-2026-56164) for privilege escalation and Command and Scripting Interpreter: Windows Command Shell (T1059.003) with moderate confidence (60%), supported by evidence indicating web shell upload via Microsoft IIS. Under the Persistence tactic, the analysis identified Create or Modify System Process: Windows Service (T1543.003) with moderate to high confidence (70%), supported by evidence indicating backdoor.Daxin hijacks legitimate TCP connections and Hijack Execution Flow: DLL Side-Loading (T1574.002) with moderate to high confidence (80%), supported by evidence indicating stupig exploits Windows keyboard-layout DLL to execute commands. Under the Privilege Escalation tactic, the analysis identified Exploitation for Privilege Escalation (T1068) with moderate to high confidence (80%), supported by evidence indicating uAC bypass (Spiral ransomware) and Abuse Elevation Control Mechanism: Bypass User Account Control (T1548.002) with high confidence (90%), supported by evidence indicating uAC bypass used in Spiral ransomware attack. Under the Defense Evasion tactic, the analysis identified Obfuscated Files or Information (T1027) with moderate to high confidence (80%), supported by evidence indicating cryptors sold to obfuscate malware (Yegeniy Silayev), Impair Defenses: Disable or Modify Tools (T1562.001) with moderate to high confidence (70%), supported by evidence indicating backdoor.Daxin evades detection via TCP hijacking, and Valid Accounts (T1078) with high confidence (90%), supported by evidence indicating credential stuffing used to access 23andMe accounts. Under the Credential Access tactic, the analysis identified Brute Force: Password Spraying (T1110.003) with high confidence (90%), supported by evidence indicating credential stuffing (23andMe breach) and OS Credential Dumping: LSASS Memory (T1003.001) with moderate confidence (60%), supported by evidence indicating spiral ransomware exfiltrated credentials. Under the Discovery tactic, the analysis identified Account Discovery: Domain Account (T1087.002) with moderate to high confidence (70%), supported by evidence indicating active Directory exploited (CVE-2026-56155). Under the Lateral Movement tactic, the analysis identified Exploitation of Remote Services (T1210) with moderate to high confidence (70%), supported by evidence indicating spiral ransomware features lateral movement capabilities. Under the Collection tactic, the analysis identified Data from Local System (T1005) with moderate to high confidence (80%), supported by evidence indicating genetic data and PII compromised (23andMe). Under the Command and Control tactic, the analysis identified Proxy: Multi-hop Proxy (T1090.003) with moderate to high confidence (70%), supported by evidence indicating 1VPNS used by ransomware groups to conceal attacks and Application Layer Protocol: Web Protocols (T1071.001) with moderate confidence (60%), supported by evidence indicating backdoor.Daxin hijacks legitimate TCP connections. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate to high confidence (80%), supported by evidence indicating data exfiltration (Spiral ransomware, 23andMe) and Exfiltration Over Web Service: Exfiltration to Cloud Storage (T1567.002) with moderate confidence (60%), supported by evidence indicating 23andMe data advertised online. Under the Impact tactic, the analysis identified Data Encrypted for Impact (T1486) with moderate to high confidence (80%), supported by evidence indicating 56% of ransomware attacks locked systems (2023) and Defacement: Internal Defacement (T1491.001) with moderate confidence (50%), supported by evidence indicating fraudulent emails sent from AFA account. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.