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Remcos RAT

BY eSentire Threat Response Unit (TRU)

January 28, 2022 | 2 MINS READ


Threat Intelligence

Threat Response Unit

TRU Positive/Bulletin

Want to learn more on how to achieve Cyber Resilience?


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…

What did we find?

Figure 1 Online purchasing form for Remcos

Figure 2 Process tree showing execution stages

How did we find it?

What did we do?

What can you learn from this TRU positive?

Recommendations from our Threat Response Unit (TRU) Team:

Ask Yourself…

Indicators of Compromise

Type Value Note
File (SHA256) 50f2ff7d96392fcfe6ed57a1ff71ae9c87a1346ff3694173a255b67e9ff8a208 firewall.vbs
File (SHA256) abf8ada022fce92c24e0aead4f1b1ae8991002130bbbc4335f3381972683b400 Remittance Advice.xlsm
Domain eter101[.]dvrlists[.]com Remcos C2
Domain eter103[.]dvrlists[.]com Remcos C2
Domain lbl[.]support Hosts firewall.vbs and other components used during execution

If you’re not currently engaged with a Managed Detection and Response provider, we highly recommend you partner with us for security services in order to disrupt threats before they impact your business.

Want to learn more? Connect with an eSentire Security Specialist

eSentire Unit
eSentire Threat Response Unit (TRU)

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.

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