Analysis

  • max time kernel
    10s
  • max time network
    20s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20260130-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20260130-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows
  • submitted
    22/02/2026, 01:58

Errors

Reason
Machine shutdown

General

  • Target
    The-MALWARE-Repo-master/Trojan/HMBlocker.exe
  • Size 48KB
  • Sample260222-cdtt7sb16e
  • SHA256 2d047b0a46be4da59d375f71cfbd578ce1fbf77955d0bb149f6be5b9e4552180
  • 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.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

  • Modifies data under HKEY_USERS 15 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\The-MALWARE-Repo-master\Trojan\HMBlocker.exe
    "C:\Users\Admin\AppData\Local\Temp\The-MALWARE-Repo-master\Trojan\HMBlocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4784
    • C:\Windows\SysWOW64\shutdown.exe
      "C:\Windows\System32\shutdown.exe" /r /t 6 /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:5488
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c REG ADD HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v 2503326475 /t REG_SZ /d "C:\Users\Admin\2503326475\2503326475.exe" /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4756
      • C:\Windows\SysWOW64\reg.exe
        REG ADD HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v 2503326475 /t REG_SZ /d "C:\Users\Admin\2503326475\2503326475.exe" /f
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:5232
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c REG ADD HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce /v 2503326475_del /t REG_SZ /d "cmd /c del \"C:\Users\Admin\AppData\Local\Temp\The-MALWARE-Repo-master\Trojan\HMBlocker.exe\"" /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4868
      • C:\Windows\SysWOW64\reg.exe
        REG ADD HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce /v 2503326475_del /t REG_SZ /d "cmd /c del \"C:\Users\Admin\AppData\Local\Temp\The-MALWARE-Repo-master\Trojan\HMBlocker.exe\"" /f
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:5228
  • C:\Windows\system32\cmd.exe
    "cmd /c del "C:\Users\Admin\AppData\Local\Temp\The-MALWARE-Repo-master\Trojan\HMBlocker.exe""
    1⤵
      PID:1424
    • C:\Windows\system32\LogonUI.exe
      "LogonUI.exe" /flags:0x4 /state0:0xa3a3e055 /state1:0x41c64e6d
      1⤵
      • Modifies data under HKEY_USERS
      • Suspicious use of SetWindowsHookEx
      PID:1964

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          memory/4784-4-0x00000000001F0000-0x00000000001F1000-memory.dmp

          memory/4784-2-0x00000000001F0000-0x00000000001F1000-memory.dmp

          memory/4784-1-0x00000000001F0000-0x00000000001F1000-memory.dmp

          memory/4784-0-0x0000000000400000-0x0000000000420000-memory.dmp

          memory/4784-5-0x0000000000400000-0x0000000000420000-memory.dmp

          memory/4784-6-0x0000000002040000-0x00000000022C0000-memory.dmp