EMBER BEAR

RANSOMWARE

EMBER BEAR is an emerging ransomware group that has garnered attention for its strategic approach to targeting and operational tactics. While specific industry sectors or infrastructure types have not been definitively identified as primary targets, the group's focus on exploiting critical vulnerabilities suggests a preference for high-value targets with significant financial or reputational stakes. EMBER BEAR typically gains initial access through sophisticated phishing campaigns that leverage social engineering techniques to trick employees into downloading malware. Once inside the network, they employ double extortion tactics, encrypting data and threatening to release sensitive information if demands are not met. This group stands out for its precise targeting and the use of predicted vulnerabilities, indicating a proactive approach to identifying and exploiting zero-day threats before they become widely known.

In terms of technical footprint, EMBER BEAR demonstrates a preference for critical and high-severity vulnerabilities across various categories such as remote code execution (RCE) and authentication bypass. The group's reliance on unconfirmed CVEs highlights their capability to leverage predictive analytics and threat intelligence to stay ahead of defenders. While specific tools used by the group remain unknown, the sophistication in exploiting predicted vulnerabilities suggests a high level of technical expertise. Defenders should prioritize patch management for critical systems, enhance phishing detection mechanisms, and implement robust data encryption and backup strategies to mitigate the risk posed by EMBER BEAR's tactics.

Predicted CVEs (11) CORRELATION

How does prediction work?

Predicted CVEs are identified through automated correlation using multiple sources: vendor/product profiles historically targeted by the group (MITRE ATT&CK), attack chain patterns (KEV + TTPs), threat intelligence (MISP, STIX), and AI analysis. These CVEs have not been confirmed as exploited by this specific group, but have a high probability of being targets based on the actor's operational profile.

CVE-2021-26084 CRITICAL Atlassian Confluence Server predicted 9.8 CVE-2021-26084 CRITICAL Atlassian Confluence Server medium 9.8 CVE-2021-26855 CRITICAL Microsoft Exchange Server 2016 Cumulative Update 19 predicted 9.1 CVE-2021-34473 CRITICAL Microsoft Exchange Server 2013 Cumulative Update 23 predicted 9.1 CVE-2023-21529 HIGH Microsoft Exchange Server 2019 Cumulative Update 12 predicted 8.8 CVE-2022-41040 HIGH Microsoft Exchange Server 2013 Cumulative Update 23 predicted 8.8 CVE-2020-0688 HIGH Microsoft Exchange Server 2013 predicted 8.8 CVE-2022-41080 HIGH Microsoft Exchange Server 2016 Cumulative Update 23 predicted 8.8 CVE-2022-41040 HIGH Microsoft Exchange Server 2013 Cumulative Update 23 medium 8.8 CVE-2022-41082 HIGH Microsoft Exchange Server 2013 Cumulative Update 23 predicted 8.0 CVE-2021-31207 MEDIUM Microsoft Exchange Server 2013 Cumulative Update 23 predicted 6.6