Incident Score: Analysis & Impact (QILBLA1782311333)

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 Phishing: Spearphishing Link (T1566.002) with moderate to high confidence (80%), supported by evidence indicating social engineering lures (e.g., ClickFix, FileFix, CrashFix), User Execution: Malicious File (T1204.002) with high confidence (90%), supported by evidence indicating tricking victims into executing malicious PowerShell commands, and Supply Chain Compromise: Compromise Software Dependencies (T1195.002) with moderate to high confidence (70%), supported by evidence indicating portable WinPython package and signed pythonw.exe. Under the Execution tactic, the analysis identified Command and Scripting Interpreter: PowerShell (T1059.001) with high confidence (90%), supported by evidence indicating malicious PowerShell commands for rapid persistence, Command and Scripting Interpreter: Windows Command Shell (T1059.003) with moderate to high confidence (80%), supported by evidence indicating lOLBins such as curl, reg.exe, net.exe, certutil, WMIC, and User Execution: Malicious File (T1204.002) with high confidence (90%), supported by evidence indicating victims into running attacker-supplied commands. Under the Persistence tactic, the analysis identified Boot or Logon Autostart Execution: Registry Run Keys / Startup Folder (T1547.001) with high confidence (90%), supported by evidence indicating run-key persistence entries mimicking remote-support tools, Hijack Execution Flow: DLL Side-Loading (T1574.002) with high confidence (95%), supported by evidence indicating dLL sideloading via legitimate executable (MpExtMs.exe), and Scheduled Task/Job: Scheduled Task (T1053.005) with moderate to high confidence (70%), supported by evidence indicating scheduled command checks for C2-delivered code. Under the Privilege Escalation tactic, the analysis identified Hijack Execution Flow: DLL Side-Loading (T1574.002) with moderate to high confidence (80%), supported by evidence indicating dLL sideloading via MpExtMs.exe (legitimate executable) and Process Injection (T1055) with moderate to high confidence (70%), supported by evidence indicating in-memory execution of C2-delivered code. Under the Defense Evasion tactic, the analysis identified Obfuscated Files or Information (T1027) with high confidence (90%), supported by evidence indicating rC4-encrypted C2 communications, Process Injection (T1055) with high confidence (90%), supported by evidence indicating in-memory execution without writing files to disk, Impair Defenses: Disable or Modify Tools (T1562.001) with moderate to high confidence (70%), supported by evidence indicating kill switch for self-deletion, Hijack Execution Flow: DLL Side-Loading (T1574.002) with high confidence (90%), supported by evidence indicating dLL sideloading via legitimate Microsoft security components, Indicator Removal: File Deletion (T1070.004) with moderate to high confidence (70%), supported by evidence indicating kill switch for self-deletion, and Deobfuscate/Decode Files or Information (T1140) with moderate to high confidence (80%), supported by evidence indicating rC4-encrypted C2 communications. Under the Credential Access tactic, the analysis identified Input Capture: GUI Input Capture (T1056.002) with moderate to high confidence (80%), supported by evidence indicating .NET credential stealer with a fake login prompt and Credentials from Password Stores (T1555) with moderate to high confidence (70%), supported by evidence indicating credential theft for durable footholds. Under the Discovery tactic, the analysis identified Account Discovery: Local Account (T1087.001) with moderate to high confidence (70%), supported by evidence indicating lOLBins (net.exe, WMIC) for reconnaissance, File and Directory Discovery (T1083) with moderate to high confidence (70%), supported by evidence indicating lOLBins (reg.exe, certutil) for reconnaissance, and Remote System Discovery (T1018) with moderate to high confidence (70%), supported by evidence indicating lOLBins (net.exe, WMIC) for lateral movement. Under the Lateral Movement tactic, the analysis identified Remote Services: Remote Desktop Protocol (T1021.001) with moderate confidence (60%), supported by evidence indicating lOLBins for lateral movement (implied) and Remote Services: SMB/Windows Admin Shares (T1021.002) with moderate to high confidence (70%), supported by evidence indicating lOLBins (net.exe) for lateral movement. Under the Command and Control tactic, the analysis identified Application Layer Protocol: Web Protocols (T1071.001) with high confidence (90%), supported by evidence indicating rC4-encrypted C2 communications, Ingress Tool Transfer (T1105) with moderate to high confidence (80%), supported by evidence indicating c2-delivered code for in-memory execution, Fallback Channels (T1008) with moderate to high confidence (80%), supported by evidence indicating multi-path resiliency for C2 communications, and Dynamic Resolution: Domain Generation Algorithms (T1568.002) with moderate to high confidence (80%), supported by evidence indicating domain generation for non-domain hosts. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with high confidence (90%), supported by evidence indicating data exfiltration for ransomware operations. Under the Impact tactic, the analysis identified Data Encrypted for Impact (T1486) with high confidence (95%), supported by evidence indicating data encryption linked to Qilin, Black Basta ransomware and Inhibit System Recovery (T1490) with moderate to high confidence (70%), supported by evidence indicating ransomware deployments for financial gain. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.