Trellix Insights: Golden Chickens (Gc) Malware-as-a-Service provider
Technical Articles ID:
KB93194
Last Modified: 2022-08-23 14:57:52 Etc/GMT
Last Modified: 2022-08-23 14:57:52 Etc/GMT
Environment
IMPORTANT: This Knowledge Base article discusses a specific threat that is being automatically tracked by Trellix Insights technology. The content is intended for use by Trellix Insights users, but is provided for general knowledge to all customers. Contact us for more information about Trellix Insights.
Summary
Description of Campaign
Top tier threat actors, such as FIN6, are known to use Malware-as-a-Service providers (MaaS) including one labeled as "Golden Chickens." The MaaS offers a range of malware including reconnaissance tools, information stealers, malware building kits, wipers, loaders, and ransomware. The malware uses several techniques for persistence and defense evasion including obfuscation, scripting, DLL side-loading, signed binaries, and DLL search order hijacking.
How to use this article:
Campaign IOC
Minimum Content Versions:
Detection Summary
Minimum set of Manual Rules to improve protection to block this campaign
IMPORTANT: Always follow best practices when you enable new rules and signatures.
When you implement new rules or signatures, always set them to Report mode first and check the alerts generated. Resolve any issues that arise and then set the rules to Block. This step mitigates against triggering false positives and allows you to refine your configuration.
For more information, see KB87843 - List of and best practices for Endpoint Security Dynamic Application Containment rules.
Endpoint Security - Advanced Threat Protection:Rule ID: 2 Use Enterprise file reputation to identify trusted or malicious files
Rule ID: 4 Use GTI file reputation to identify trusted or malicious files
Aggressive set of Manual Rules to improve protection to block this campaign
IMPORTANT: Always follow best practices when you enable new rules and signatures.
When you implement new rules or signatures, always set them to Report mode first and check the alerts generated. Resolve any issues that arise and then set the rules to Block. This step mitigates against triggering false positives and allows you to refine your configuration.
For more information, see KB87843 - List of and best practices for Endpoint Security Dynamic Application Containment rules.
Host Intrusion Prevention:Rule ID: 6011 Generic Application Invocation Protection
Rule ID: 6010 Generic Application Hooking Protection
Rule ID: 1148 CMD Tool Access by a Network Aware Application
Top tier threat actors, such as FIN6, are known to use Malware-as-a-Service providers (MaaS) including one labeled as "Golden Chickens." The MaaS offers a range of malware including reconnaissance tools, information stealers, malware building kits, wipers, loaders, and ransomware. The malware uses several techniques for persistence and defense evasion including obfuscation, scripting, DLL side-loading, signed binaries, and DLL search order hijacking.
How to use this article:
- If a Threat Hunting table has been created, use the rules contained to search for malware related to this campaign.
- Review the product detection table and confirm that your environment is at least on the specified content version.
To download the latest content versions, go to the Security Updates page. - Scroll down and review the "Product Countermeasures" section of this article. Consider implementing them if they are not already in place.
- Review
KB91836 - Countermeasures for entry vector threats . - Review KB87843 - Dynamic Application Containment rules and best practices.
- Review KB82925 - Identify what rule corresponds to an Adaptive Threat Protection and Threat Intelligence Exchange event.
Campaign IOC
| Type | Value |
Minimum Content Versions:
| Content Type | Version |
Detection Summary
| IOC | Scanner | Detection |
| IOC | Scanner | Detection |
| IOC | Scanner | Detection |
| IOC | Scanner | Detection |
| IOC | Scanner | Detection |
| IOC | Scanner | Detection |
| IOC | Scanner | Detection |
| IOC | Scanner | Detection |
| IOC | Scanner | Detection |
| IOC | Scanner | Detection |
| IOC | Scanner | Detection |
| IOC | Scanner | Detection |
| IOC | Scanner | Detection |
| IOC | Scanner | Detection |
| IOC | Scanner | Detection |
| IOC | Scanner | Detection |
| IOC | Scanner | Detection |
| IOC | Scanner | Detection |
| IOC | Scanner | Detection |
Minimum set of Manual Rules to improve protection to block this campaign
IMPORTANT: Always follow best practices when you enable new rules and signatures.
When you implement new rules or signatures, always set them to Report mode first and check the alerts generated. Resolve any issues that arise and then set the rules to Block. This step mitigates against triggering false positives and allows you to refine your configuration.
For more information, see KB87843 - List of and best practices for Endpoint Security Dynamic Application Containment rules.
Endpoint Security - Advanced Threat Protection:
Rule ID: 4 Use GTI file reputation to identify trusted or malicious files
Aggressive set of Manual Rules to improve protection to block this campaign
IMPORTANT: Always follow best practices when you enable new rules and signatures.
When you implement new rules or signatures, always set them to Report mode first and check the alerts generated. Resolve any issues that arise and then set the rules to Block. This step mitigates against triggering false positives and allows you to refine your configuration.
For more information, see KB87843 - List of and best practices for Endpoint Security Dynamic Application Containment rules.
Host Intrusion Prevention:
Rule ID: 6010 Generic Application Hooking Protection
Rule ID: 1148 CMD Tool Access by a Network Aware Application
