Incident Score: Analysis & Impact (VIDRED1770978271)
The details regarding individual company incidents & reports gives you full view from every side.
Rankiteo Score Impact Analysis
Key Highlights From The Incident Analysis
- Timeline of Red Canary, a Zscaler company's Ransomware and lateral movement inside company's environment.
- Overview of affected data sets, including SSNs and PHI, and why they materially increase incident severity.
- How Rankiteo’s incident engine converts technical details into a normalized incident score.
- How this cyber incident impacts Red Canary, a Zscaler company Rankiteo cyber scoring and cyber rating.
- Rankiteo’s MITRE ATT&CK correlation analysis for this incident, with associated confidence level.
Full Incident Analysis Transcript
In this Rankiteo incident briefing, we review the Red Canary, a Zscaler company breach identified under incident ID VIDRED1770978271.
The analysis begins with a detailed overview of Red Canary, a Zscaler company's information like the linkedin page: https://www.linkedin.com/company/redcanary, the number of followers: 77986, the industry type: Computer and Network Security and the number of employees: 404 employees
After the initial compromise, the video explains how Rankiteo's incident engine converts technical details into a normalized incident score. The incident score before the incident was 755 and after the incident was 646 with a difference of -109 which is could be a good indicator of the severity and impact of the incident.
In the next step of the video, we will analyze in more details the incident and the impact it had on Red Canary, a Zscaler company and their customers.
A newly reported cybersecurity incident, "OysterLoader: A Sophisticated Malware Threat Delivering Ransomware and Infostealers", has drawn attention.
A newly identified malware loader, OysterLoader, has emerged as a major cybersecurity threat, leveraging advanced obfuscation techniques to evade detection and deploy malicious payloads.
The disruption is felt across the environment, and exposing True.
Formal response steps have not been shared publicly yet.
Overall, the incident is a reminder of why proactive monitoring and strong governance matter.
Finally, we try to match the incident with the MITRE ATT&CK framework to see if there is any correlation between the incident and the MITRE ATT&CK framework.
The MITRE ATT&CK framework is a knowledge base of techniques and sub-techniques that are used to describe the tactics and procedures of cyber adversaries. It is a powerful tool for understanding the threat landscape and for developing effective defense strategies.
MITRE ATT&CK® Correlation Analysis
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 high confidence (90%), supported by evidence indicating spreads through fake websites impersonating trusted software like PuTTY, WinSCP and Drive-by Compromise (T1189) with moderate to high confidence (80%), supported by evidence indicating fake websites impersonating trusted software...disguised as digitally signed MSI files. Under the Execution tactic, the analysis identified User Execution: Malicious File (T1204.002) with high confidence (90%), supported by evidence indicating disguised as digitally signed Microsoft Installer (MSI) files to appear legitimate and Command and Scripting Interpreter: Windows Command Shell (T1059.003) with moderate to high confidence (70%), supported by evidence indicating custom shellcode execution...TextShell packer. Under the Persistence tactic, the analysis identified Scheduled Task/Job: Scheduled Task (T1053.005) with high confidence (90%), supported by evidence indicating persistence via scheduled tasks that execute a malicious DLL every 13 minutes. Under the Defense Evasion tactic, the analysis identified Obfuscated Files or Information (T1027) with high confidence (95%), supported by evidence indicating advanced obfuscation techniques...custom JSON encoding with non-standard Base64, Obfuscated Files or Information: Steganography (T1027.003) with high confidence (90%), supported by evidence indicating steganography to conceal payloads within icon image files, Virtualization/Sandbox Evasion: Time Based Evasion (T1497.003) with moderate to high confidence (80%), supported by evidence indicating timing-based sandbox detection, Masquerading: Invalid Code Signature (T1036.001) with moderate to high confidence (80%), supported by evidence indicating disguised as digitally signed Microsoft Installer (MSI) files, Deobfuscate/Decode Files or Information (T1140) with moderate to high confidence (80%), supported by evidence indicating rC4 encryption with a hardcoded key, and Reflective Code Loading (T1620) with moderate to high confidence (70%), supported by evidence indicating custom shellcode execution. Under the Discovery tactic, the analysis identified System Information Discovery (T1082) with moderate to high confidence (80%), supported by evidence indicating environment checks to ensure the target system has at least 60 running processes. Under the Command and Control tactic, the analysis identified Application Layer Protocol: Web Protocols (T1071.001) with high confidence (90%), supported by evidence indicating two-tiered command-and-control (C2) infrastructure, Ingress Tool Transfer (T1105) with moderate to high confidence (80%), supported by evidence indicating delivery servers handling initial connections, and Data Obfuscation: Protocol Impersonation (T1001.003) with moderate to high confidence (80%), supported by evidence indicating custom JSON encoding with a non-standard Base64 alphabet. Under the Credential Access tactic, the analysis identified Credentials from Password Stores (T1555) with moderate to high confidence (80%), supported by evidence indicating vidar, a prevalent infostealer. Under the Collection tactic, the analysis identified Data from Local System (T1005) with high confidence (90%), supported by evidence indicating vidar infostealer...data compromised such as true. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with high confidence (90%), supported by evidence indicating data exfiltration such as true...two-tiered C2 infrastructure. Under the Impact tactic, the analysis identified Data Encrypted for Impact (T1486) with high confidence (95%), supported by evidence indicating rhysida ransomware...data encryption such as true. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- Red Canary, a Zscaler company Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/redcanary/incident/VIDRED1770978271
- Red Canary, a Zscaler company CyberSecurity Rating page: https://www.rankiteo.com/company/redcanary
- Red Canary, a Zscaler company Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/vidred1770978271-rhysida-vidar-ransomware-june-2024/
- Red Canary, a Zscaler company CyberSecurity Score History: https://www.rankiteo.com/company/redcanary/history
- Red Canary, a Zscaler company CyberSecurity Incident Source: https://cybersecuritynews.com/oysterloader-multi-stage-evasion-loader-uncovered/
- Rankiteo A.I CyberSecurity Rating methodology: https://www.rankiteo.com/Images/rankiteo_algo.pdf
- Rankiteo TPRM Scoring methodology: https://static.rankiteo.com/model/rankiteo_tprm_methodology.pdf