Incident Score: Analysis & Impact (AMAAWS1770152164)

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 Steal Application Access Token (T1528) with high confidence (90%), supported by evidence indicating exploited exposed credentials in public Amazon S3 buckets and Valid Accounts: Cloud Accounts (T1078.004) with high confidence (95%), supported by evidence indicating valid credentials left exposed in public S3 buckets. Under the Execution tactic, the analysis identified Serverless Execution (T1648) with high confidence (90%), supported by evidence indicating lambda function code injection to target admin user and Command and Scripting Interpreter (T1059) with moderate to high confidence (80%), supported by evidence indicating aI-assisted techniques to generate malicious code. Under the Privilege Escalation tactic, the analysis identified Abuse Elevation Control Mechanism: Bypass User Account Control (T1548.002) with moderate to high confidence (80%), supported by evidence indicating escalating privileges to administrative control in eight minutes and Valid Accounts: Cloud Accounts (T1078.004) with high confidence (90%), supported by evidence indicating targeted user frick with admin privileges. Under the Defense Evasion tactic, the analysis identified Use Alternate Authentication Material: Application Access Token (T1550.001) with moderate to high confidence (80%), supported by evidence indicating programmatic interaction with AWS Marketplace APIs and Valid Accounts: Cloud Accounts (T1078.004) with high confidence (90%), supported by evidence indicating cross-region inference profiles to distribute model invocations. Under the Credential Access tactic, the analysis identified Steal Application Access Token (T1528) with high confidence (90%), supported by evidence indicating exposed credentials in public S3 buckets and Unsecured Credentials: Credentials In Files (T1552.001) with high confidence (95%), supported by evidence indicating valid credentials left exposed in public S3 buckets. Under the Discovery tactic, the analysis identified Account Discovery: Cloud Account (T1087.004) with high confidence (90%), supported by evidence indicating enumerating account IDs for cross-account role assumption and Cloud Infrastructure Discovery (T1580) with moderate to high confidence (80%), supported by evidence indicating aI-driven automation for reconnaissance. Under the Lateral Movement tactic, the analysis identified Use Alternate Authentication Material: Application Access Token (T1550.001) with moderate to high confidence (80%), supported by evidence indicating lateral movement across 19 AWS principals and Valid Accounts: Cloud Accounts (T1078.004) with high confidence (90%), supported by evidence indicating attempts to assume cross-account roles. Under the Collection tactic, the analysis identified Data from Cloud Storage (T1530) with high confidence (90%), supported by evidence indicating exfiltration of cloud data and Data from Code Repositories: Cloud Storage (T1213.003) with moderate to high confidence (70%), supported by evidence indicating abuse of Amazon Bedrock for AI app-dev. Under the Exfiltration tactic, the analysis identified Transfer Data to Cloud Account (T1537) with moderate to high confidence (80%), supported by evidence indicating exfiltration of cloud data and Exfiltration Over C2 Channel (T1041) with moderate to high confidence (70%), supported by evidence indicating aI-driven automation for real-time decisions. Under the Impact tactic, the analysis identified Resource Hijacking (T1496) with moderate to high confidence (80%), supported by evidence indicating provisioning GPU instances on EC2 for AI model development and Account Access Removal (T1531) with moderate confidence (60%), supported by evidence indicating administrative control gained in AWS environment. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.