Combine cutting-edge XDR technology, multi-signal threat intelligence and 24/7 Elite Threat Hunters to help you build a world-class security operation.
Our team delivers the fastest response time in the industry. Threat suppression within just 4 hours of being engaged.
Cyber risk and advisory programs that identify security gaps and build security strategies to address them.
24/7 SOC-as-a-Service with unlimited threat hunting and incident handling.
XDR with machine learning that eliminates noise, enables real-time detection and response, and automatically blocks threats.
Seamless integration and threat investigation across your existing tech stack.
Proactive threat intelligence, original threat research and a world-class team of seasoned industry veterans.
Extend your team capabilities and prevent business disruption with expertise from eSentire.
We balance automated blocks with rapid human-led investigations to manage threats.
Guard endpoints by isolating and remediating threats to prevent lateral spread.
Defend brute force attacks, active intrusions and unauthorized scans.
Investigation and threat detection across multi-cloud or hybrid environments.
Remediate misconfigurations, vulnerabilities and policy violations.
Investigate and respond to compromised identities and insider threats.
Stop ransomware before it spreads.
Meet regulatory compliance mandates.
Detect and respond to zero-day exploits.
End misconfigurations and policy violations.
Defend third-party and supply chain risk.
Prevent disruption by outsourcing MDR.
Adopt a risk-based security approach.
Meet insurability requirements with MDR.
Protect your most sensitive data.
Build a proven security program.
Operationalize timely, accurate, and actionable cyber threat intelligence.
THE THREAT On October 23rd, Fortinet disclosed an actively exploited critical zero-day vulnerability impacting multiple versions for FortiManager. The vulnerability, tracked…
Oct 09, 2024THE THREAT Beginning in early September 2024, eSentire observed an increase in the number of incidents involving Lumma Stealer malware; this activity has remained common leading into…
eSentire is The Authority in Managed Detection and Response Services, protecting the critical data and applications of 2000+ organizations in 80+ countries from known and unknown cyber threats. Founded in 2001, the company’s mission is to hunt, investigate and stop cyber threats before they become business disrupting events.
We provide sophisticated cybersecurity solutions for Managed Security Service Providers (MSSPs), Managed Service Providers (MSPs), and Value-Added Resellers (VARs). Find out why you should partner with eSentire, the Authority in Managed Detection and Response, today.
Multi-Signal MDR with 300+ technology integrations to support your existing investments.
24/7 SOC-as-a-Service with unlimited threat hunting and incident handling.
Three MDR package tiers are available based on per-user pricing and level of risk tolerance.
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Adversaries don’t work 9-5 and neither do we. At eSentire, our 24/7 SOCs are staffed with Elite Threat Hunters and Cyber Analysts who hunt, investigate, contain and respond to threats within minutes.
We have discovered some of the most dangerous threats and nation state attacks in our space – including the Kaseya MSP breach and the more_eggs malware.
Our Security Operations Centers are supported with Threat Intelligence, Tactical Threat Response and Advanced Threat Analytics driven by our Threat Response Unit – the TRU team.
In TRU Positives, eSentire’s Threat Response Unit (TRU) provides a summary of a recent threat investigation. We outline how we responded to the confirmed threat and what recommendations we have going forward.
Here’s the latest from our TRU Team…
Building on the insights from our previous exploration of finance-themed cybersecurity threats during the tax season, it's evident that digital dangers are vast and evolving.
This time, our 24/7 SOC Analysts notified our Threat Response Unit (TRU) about the tax-themed threat delivering XWorm as the final payload. We assess that it is almost certain the initial infection vector is via the phishing email, as suggested by the infection chain (Figure 1).
We were able to track that the malicious attachment was downloaded from the compromised site hxxps://spnmandalawangi.banten.polri.go[.]id/Tax_docs_2023.htm. The downloaded file is a JavaScript file named “Tax-docs-2023.pdf .js” (MD5: 5706efd7e0254105261057a82308ed72).
When clicked by the victim, the JS file executes under Windows script host (wscript.exe) which retrieves and executes the atom.xml file (MD5: c1614e86b6808df891c5d7310d089211) from 91.92.243[.]28/poom/atom.xml (Figure 2).
The retrieved file is a PowerShell script responsible for:
The ultimate payload delivered is XWorm v5.2, a Remote Access Trojan (RAT) (MD5: fc422800144383ef6e2e0eee37e7d6ba), for which cracked versions are publicly accessible.
XWorm configuration:
C2: 91.92.243[.]28 Port: 4444 Aes key: <123456789> Install file: USB.exe Version: XWorm V5.2
Our 24/7 SOC Cyber Analysts investigated the suspicious activities, notified the client, and isolated the affected device.
You can access the Yara rule for XWorm here.
You can access the indicators of compromise here.
The eSentire Threat Response Unit (TRU) is an industry-leading threat research team committed to helping your organization become more resilient. TRU is an elite team of threat hunters and researchers that supports our 24/7 Security Operations Centers (SOCs), builds threat detection models across the eSentire XDR Cloud Platform, and works as an extension of your security team to continuously improve our Managed Detection and Response service. By providing complete visibility across your attack surface and performing global threat sweeps and proactive hypothesis-driven threat hunts augmented by original threat research, we are laser-focused on defending your organization against known and unknown threats.