Overview

overview

9

Static

static

3

U674U94Y9W5Z4JJ6.exe

windows10-2004-x64

9

U674U94Y9W5Z4JJ6.exe

windows10-ltsc_2021-x64

9

U674U94Y9W5Z4JJ6.exe

windows11-21h2-x64

9

U674U94Y9W5Z4JJ6.exe

windows11-ltsc_2024-x64

9

Analysis

  • max time kernel
    30s
  • max time network
    33s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20260911-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20260911-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows
  • submitted
    30/10/2026, 22:36

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General

  • Target
    U674U94Y9W5Z4JJ6.exe
  • Size 26.4MB
  • Sample261030-2h95esstfx
  • SHA256 ed84181c0281a710a5f4be1d4ca882366bd7e7b92e570b5ce4440b7a4f956b1d
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
bootkitdefense_evasiondiscoverypersistence

Malware Config

Signatures

  • Enumerates VirtualBox registry keys 2 TTPs 3 IoCs
    defense_evasion
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
    defense_evasion
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
    defense_evasion
  • Checks BIOS information in registry 2 TTPs 3 IoCs

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

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Maps connected drives based on registry 3 TTPs 2 IoCs

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

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence
  • 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.

  • Direct Volume Access: Opens a physical disk for reading 1 TTPs 15 IoCs

    Opens a raw handle to a physical disk, which bypasses file system access controls and is used for disk inspection, anti-VM checks and privilege checks.

    defense_evasion
  • 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.

    discovery
  • Checks SCSI registry key(s) 3 TTPs 8 IoCs

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

  • Checks processor information in registry 2 TTPs 6 IoCs

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

  • Enumerates system info in registry 2 TTPs 14 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\U674U94Y9W5Z4JJ6.exe
    "C:\Users\Admin\AppData\Local\Temp\U674U94Y9W5Z4JJ6.exe"
    1⤵
    • Enumerates VirtualBox registry keys
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Enumerates connected drives
    • Maps connected drives based on registry
    • Writes to the Master Boot Record (MBR)
    • Checks system information in the registry
    • Checks for VirtualBox DLLs, possible anti-VM trick
    • Direct Volume Access: Opens a physical disk for reading
    • Reads the TCP/IP host and domain name from the registry
    • Checks SCSI registry key(s)
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3728
    • C:\Windows\SYSTEM32\route.exe
      route.exe ADD 74.125.250.129 MASK 255.255.255.255 10.127.0.1 METRIC 1 IF 5
      2⤵
        PID:5468
      • C:\Windows\SYSTEM32\route.exe
        route.exe DELETE 74.125.250.129 MASK 255.255.255.255 10.127.0.1
        2⤵
          PID:5908

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            memory/3728-2-0x00007FF647A89000-0x00007FF6490F5000-memory.dmp
            Download

            memory/3728-0-0x00007FF6479B0000-0x00007FF64AB88000-memory.dmp
            Download