Analysis

  • user interaction
    yes
  • max time kernel
    70s
  • max time network
    68s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260911-es
  • resource tags

    arch:x64arch:x86image:win11-20260911-eslocale:es-esos:windows11-21h2-x64systemwindows
  • submitted
    01/10/2026, 13:41

General

  • Target
    msu.exe
  • Size 15.6MB
  • Sample261001-qzcppsycqg
  • SHA256 73df72293f56c2fb3264ad79523290e9b2dbde492aa3e99959192484ae2e4962
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • vidar

Version
  • 3.6

Botnet
  • 704839b8ac11cd72abd2df05f7018093

C2
  • https://31.15.17.99

  • https://telegram.me/j88hor

  • https://community.fandom.com/wikia.php?controller=UserProfile&method=getUserData&format=json&userId=64296247

  • https://steamcommunity.com/profiles/76561198633950250

Attributes
  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) Chrome/150.0.0.0 YaBrowser/26.8.0.0

Signatures

  • Family: Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Enumerates VirtualBox registry keys 2 TTPs 5 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 3 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 3 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Checks system information in the registry 2 TTPs 2 IoCs

    System information is often read in order to detect sandboxing environments.

  • Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs

    Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\msu.exe
    "C:\Users\Admin\AppData\Local\Temp\msu.exe"
    1⤵
    • Enumerates VirtualBox registry keys
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Checks system information in the registry
    • Checks for VirtualBox DLLs, possible anti-VM trick
    • Reads the TCP/IP host and domain name from the registry
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:4688

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/4688-0-0x0000000570000000-0x0000000570295000-memory.dmp

        memory/4688-1-0x0000000570000000-0x0000000570295000-memory.dmp

        memory/4688-4-0x0000000570000000-0x0000000570295000-memory.dmp

        memory/4688-5-0x0000000570000000-0x0000000570295000-memory.dmp