---
title: New Remote Access Trojan Virus Hides In Windows Registry
description: New Remote Access Trojan Virus Hides In Windows Registry
---

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# New Remote Access Trojan Virus Hides In Windows Registry

New Remote Access Trojan Virus Hides In Windows Registry

![Randy Hall](https://blog.securafy.com/hubfs/Randy%20Hall%202.png) By Randy Hall Updated Jul 2024 3 min read Share [**](https://www.linkedin.com/sharing/share-offsite/?url=https://blog.securafy.com/2022/01/07/new-remote-access-trojan-virus-hides-in-windows-registry) [**](https://twitter.com/intent/tweet?url=https://blog.securafy.com/2022/01/07/new-remote-access-trojan-virus-hides-in-windows-registry&text=%3Cspan+id%3D%22hs_cos_wrapper_name%22+class%3D%22hs_cos_wrapper+hs_cos_wrapper_meta_field+hs_cos_wrapper_type_text%22+style%3D%22%22+data-hs-cos-general-type%3D%22meta_field%22+data-hs-cos-type%3D%22text%22+%3ENew+Remote+Access+Trojan+Virus+Hides+In+Windows+Registry%3C%2Fspan%3E) [**](mailto:?subject=%3Cspan+id%3D%22hs_cos_wrapper_name%22+class%3D%22hs_cos_wrapper+hs_cos_wrapper_meta_field+hs_cos_wrapper_type_text%22+style%3D%22%22+data-hs-cos-general-type%3D%22meta_field%22+data-hs-cos-type%3D%22text%22+%3ENew+Remote+Access+Trojan+Virus+Hides+In+Windows+Registry%3C%2Fspan%3E&body=https://blog.securafy.com/2022/01/07/new-remote-access-trojan-virus-hides-in-windows-registry)

![](https://static.hsstatic.net/BlogImporterAssetsUI/ex/missing-image.png)There's a new malware strain you should make sure your IT staff is aware of.  Called the Dark Watchman, it is a well-designed and highly capable RAT (Remote Access Trojan) paired with a keylogger written in C#.

First discovered by researchers at Prevailion this piece of malware likes to lurk in the Windows Registry and is used mainly by Russian-speaking threat actors for the purpose of (mostly) targeting Russian organizations.  That's good news for the rest of us but if you are based in or do business with Russian firms then this one should be of concern.

The malware strain was first spotted in the wilds in early November of this year (2021) when the threat actor behind the code began distributing it via phishing emails that contained a poisoned ZIP file.  The ZIP of course contained an executable disguised as a text document.

If opened the victim gets a decoy popup message that reads "Unknown Format", but the reality is that by the time the victim sees the message the malicious payload has already been installed in the background.

The malware itself is extremely lightweight measuring just 32kb in size. It is compiled in such a way that it only takes up 8.5kb of space.  It does however incorporate code that allows it to "live off the land" so to speak. Here it borrows what it needs from other binaries scripts and libraries on the target computer. It uses the Windows Registry "fileless storage mechanism" for the keylogger.

**In its current form the Dark Watchman can perform the following operations:**

- Execute EXE files (with or without the output returned)
- Load DLL files
- Execute commands on the command line
- Execute WSH commands
- Execute miscellaneous commands via WMI
- Execute PowerShell commands
- Evaluate JavaScript
- Upload files to the C2 server from the victim machine
- Remotely stop and uninstall the RAT and Keylogger
- Remotely update the C2 server address or call-home timeout
- Update the RAT and Keylogger remotely
- Set an autostart JavaScript to run on RAT startup
- A Domain Generation Algorithm (DGA) for C2 resiliency
- If the user has admin permissions, it deletes shadow copies using vssadmin.exe

All that to say it can do quite a lot of damage if its controllers want it to.  Be on the alert.

Tagged Under IT Operations[Cybersecurity](https://blog.securafy.com/tag/cybersecurity)Business Continuity

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![Randy Hall](https://blog.securafy.com/hubfs/Randy%20Hall%202.png)

About The Author

Randy Hall · CEO & Founder

Randy Hall is the CEO and Founder of Securafy, with decades of experience helping organizations make smarter, safer decisions about technology.

 A frequent speaker and instructor at national IT events, Randy has advised thousands of organizations, from startups and SMBs to large enterprises and U.S. government entities, on secure, practical technology adoption. He writes about the decisions business leaders are often expected to make without enough context, including cybersecurity, compliance, AI, cyber insurance, IT strategy, and business resilience.

 Outside the office, you’ll often find Randy on Lake Erie enjoying time on his 38-foot Chris-Craft.

**Writes about:** Cybersecurity strategy, compliance, AI security, business resilience, cyber insurance, SMB risk, IT leadership

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