Analysis

  • user interaction
    yes
  • max time kernel
    900s
  • max time network
    474s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    26/09/2026, 22:05

General

  • Target
    VIRUS 63h.rar
  • Size 2.9MB
  • Sample260926-1zybhssekh
  • SHA256 5ba40ab0e5903b377fdb0f39c9670ed425d6cb6a34746f2f41579f9f1a2f5f14
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Event Triggered Execution: Component Object Model Hijacking 1 TTPs

    Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

  • Executes dropped EXE 1 IoCs
  • Modifies system executable filetype association 2 TTPs 47 IoCs
  • 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.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Program Files\7-Zip\7zFM.exe
    "C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\VIRUS 63h.rar"
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:996
    • C:\Users\Admin\AppData\Local\Temp\7zO4E302B59\MatrixVirus.exe
      "C:\Users\Admin\AppData\Local\Temp\7zO4E302B59\MatrixVirus.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Writes to the Master Boot Record (MBR)
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1416
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k reg delete HKCR /f
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2500
        • C:\Windows\SysWOW64\reg.exe
          reg delete HKCR /f
          4⤵
          • Modifies system executable filetype association
          • System Location Discovery: System Language Discovery
          • Modifies registry class
          PID:2476
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x2f4 0x470
    1⤵
      PID:2356

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          MatrixVirus.exe

          • Path C:\Users\Admin\AppData\Local\Temp\7zO4E302B59\MatrixVirus.exe
          • Size 14KB
          • SHA256 5906dc7c3cd938b874cfb12cd9a14a6e72116c31385f4584f997f1544e3da492
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1416-12-0x0000000000820000-0x000000000082A000-memory.dmp

          memory/1416-13-0x00000000051D0000-0x0000000005262000-memory.dmp

          memory/1416-14-0x0000000005820000-0x0000000005DC4000-memory.dmp

          memory/1416-15-0x00000000051B0000-0x00000000051C0000-memory.dmp

          memory/1416-21-0x00000000051B0000-0x00000000051C0000-memory.dmp