How To Hide Virtual Machine Detection in VirtualBox

Virtual machines are a cybersecurity professional’s best friend. They provide an insulated environment for testing, vulnerability scanning, and more. But, they’re also a beacon for seasoned attackers who are adept at detecting their presence. This can make your cyber fortification strategies fall apart.

Here, we’ll discuss how you can render your VirtualBox invisible to prying eyes. Buckle up, it’s time to go undercover!

Skip the Guest Additions

Guest Additions, while they add functionality, also make it easier for your VM to be spotted. These added features are like a flare in the cyber sky, shouting out the presence of your virtual machine. So, the first line of defense? Avoid installing Guest Additions.

Go Big on RAM

The more, the merrier! This phrase doesn’t just apply to parties but also to your VirtualBox RAM. Cyber attackers are adept at spotting underpowered virtual machines. A low RAM screams ‘virtual machine’ louder than you’d like. So, don’t skimp on it, and add a hefty amount of RAM to your VirtualBox. Remember, the closer your VM’s specs are to a physical machine, the more convincingly it can masquerade as one.

Recommended RAM: 4GB or higher

Realistic Screen Dimensions

The size of your screen can give away your secret. Outlandish or minimal screen dimensions can be a dead giveaway that you’re running a VM. Aim for screen dimensions that mimic common, physical devices. A 1366x768 or a 1920x1080 resolution will keep your VM looking natural and undetectable.

Keep It Real with Recent Files

An empty machine is a suspicious machine. Real computers have files—recently opened, edited, saved files. Populate your VM with recently opened files to give it an authentic touch. You can automate this process, creating an illusion of daily use, without having to manually open and close files all the time.

And More…

There’s more to VM stealth mode than just these techniques. You can play around with BIOS settings, use physical device pass-through features, or even use VPNs within your VM to add another layer of disguise.

Additionally, randomizing MAC addresses, spoofing hardware details, and disabling certain device drivers can further help in keeping your virtual machine under wraps.

Code which checks the Win32_PortConnector
Code which checks the Win32_PortConnector

Every layer of invisibility you add increases your chances of staying off the attacker’s radar. And while no technique is foolproof, the goal is to make it challenging enough that the attacker moves on to an easier target.

Dive Deep Into VM Stealth Techniques & Codes

It’s time to put on your detective hat. Investigating and learning from various online resources about VM stealth techniques and codes is a fantastic way to equip yourself with the tools necessary to better shield your virtual machines. Your online search will lead to a treasure trove of specific items and strategies that you can apply immediately. So, let’s get digging!

Public available tools which can be reversed to see how they identify Virtual Machines.
Public available tools which can be reversed to see how they identify Virtual Machines.

There are many tools on Github which allow you to quickly test your Virtual machines, to see if malware or unwanted processes can detect that they are running in a virtual machine. It might also be an idea to search for Sandbox evading techniques, so you can understand how malware and cybercriminals are trying to avoid detection in Sandbox systems.

Some resources you might like:

Venturing Beyond VirtualBox with VirusTotal, ANY.RUN, and More

When it comes to cybersecurity, sticking to a single tool can limit your reach and effectiveness. And while VirtualBox provides fantastic features for setting up and managing your virtual machines, it’s always wise to have a suite of alternative solutions at your disposal.

VirusTotal: The Cyber Sleuth’s Companion

VirusTotal is an invaluable resource when it comes to cyber defense. This online service aggregates many antivirus products and online scan engines to give you a comprehensive analysis of potential threats. From checking suspicious files to scanning URLs for malicious content, VirusTotal adds an extra layer of security and transparency to your digital operations.

ANY.RUN: Interactive Malware Analysis

ANY.RUN is a go-to for interactive malware analysis. This cloud-based sandbox environment is perfect for cybersecurity professionals to safely explore how malware behaves, all in real time. It’s like a virtual petri dish for examining threats and understanding how to combat them.

Embrace Diversity

Other notable mentions include platforms like Joe Sandbox, Hybrid Analysis, and Cuckoo Sandbox. All of these provide unique perspectives and tools to aid you in your cybersecurity endeavors.

Sandbox PlatformWebsite URL
Joe Sandbox
Hybrid Analysis
Cuckoo Sandbox
Sandboxes which you can use

Remember, having a wide-ranging toolkit allows you to approach challenges from multiple angles, potentially revealing weaknesses or blind spots that a single tool might miss. Just as a well-rounded diet is vital for physical health, a varied arsenal of tools is crucial for robust cybersecurity.

Reza Rafati

Reza Rafati, based in the Netherlands, is the founder of An industry professional providing insightful commentary on infosec, cybercrime, cyberwar, and threat intelligence, Reza dedicates his work to bolster digital defenses and promote cyber awareness.