Trellix Insights: Bahamut Tied to Multi-Stage Infection Chain Campaign
Technical Articles ID:
KB95147
Last Modified: 2022-09-07 11:39:45 Etc/GMT
Last Modified: 2022-09-07 11:39:45 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
Bahamut, a threat actor for hire, has mainly targeted individuals and organizations in the Middle East and Asia. The Anomali Threat Research Team identified a campaign, in which they've assessed with low confidence, what they believe is the work of the Bahamut APT. The campaign targeted victims in what appeared to be a reconnaissance activity to gather machine and user information that may be utilized in future attacks. The attack relied on spear phishing and user interaction to deploy malware through tainted documents. However, it's uncertain if the exfiltrated data will be part of a future campaign targeting the Middle East and Asia.
Our Threat Research team gathers and analyzes information from multiple open and closed sources before disseminating intelligence reports. This campaign was researched by Anomali and shared publicly.
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
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Minimum Content Versions
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Detection Summary
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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:
Endpoint Security - Exploit Prevention:
Rule ID: 6139 Dynamic Data Exchange vulnerability
Host Intrusion Prevention:
Rule ID: 3814 Microsoft Word Enveloping - Illegal file creation
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: 6011 Generic Application Invocation Protection