CLOCKWORK SPIDER

Executive Summary

CLOCKWORK SPIDER is an opportunistic threat actor known for installing custom root certificates on victims to enable man-in-the-middle (MITM) network monitoring. This actor likely targets a range of sectors and geographies, focusing on compromising communications and data flows. Their activities suggest a technical capability beyond basic actors, with a focus on persistent surveillance.

Goals & Targeting

CLOCKWORK SPIDER appears to target victims based on opportunities for compromising communications and data flows. Their strategy likely aims to gather sensitive information for espionage or financial gain. The actor does not seem to have a specific sector or country preference, making them an opportunistic threat across various industries and geographies.

CLOCKWORK SPIDER operates as an opportunistic threat group that deploys custom root certificates to enable MITM attacks, allowing them to intercept and monitor network traffic. This approach indicates a level of technical sophistication, as it requires both the creation and distribution of a trusted certificate authority (CA) on victim systems. The actor's primary method of operation involves compromising systems to inject these malicious certificates, which can facilitate data collection, espionage, or other adversarial activities. While specific details about their targeting motivations and operational infrastructure remain unclear, the use of such specialized techniques suggests a focus on long-term surveillance rather than quick financial gains.

Key Capabilities

• Deployment of custom root certificates for MITM activities
• Network traffic monitoring and data interception
• Possibly leveraging supply chain attacks or phishing campaigns

MITRE ATT&CK Tactics

ATT&CK Techniques

Software / Tooling

Campaigns & Victims

CLOCKWORK SPIDER's campaign patterns remain unclear due to limited available intelligence. However, the actor's focus on MITM activities suggests campaigns targeting organizations with weaker network security controls. No specific high-profile campaigns have been publicly reported, but their operational methods align with persistent adversaries aiming to collect long-term intelligence.

IOC Patterns

• Spear-phishing emails used for initial compromise
• Installation of custom root certificates on victim systems
• Unusual network traffic or encrypted data exfiltration

Recommended Actions

• Monitor network traffic for signs of MITM activities
• Secure Certificate Authorities to prevent unauthorized certificate issuance
• Implement phishing detection and training programs
• Regularly update software and systems to mitigate known vulnerabilities

Suggested Tags