Analysis

  • max time kernel
    149s
  • max time network
    102s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    24/07/2026, 00:09

General

  • Target
    bin/Loader.exe
  • Size 3.4MB
  • Sample260724-afrfradm7t
  • SHA256 60e2c058f255aa271553496a292549c13ae5bdff55a9696d6b70282a813df45f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Themida packer 10 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • 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.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bin\Loader.exe
    "C:\Users\Admin\AppData\Local\Temp\bin\Loader.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4880
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c pause
      2⤵
      • Executes a command shell one-liner
      PID:1664

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        memory/4880-0-0x00007FF6EF390000-0x00007FF6EFCB4000-memory.dmp

        memory/4880-1-0x00007FF6EF390000-0x00007FF6EFCB4000-memory.dmp

        memory/4880-2-0x00007FF6EF390000-0x00007FF6EFCB4000-memory.dmp

        memory/4880-4-0x00007FF6EF390000-0x00007FF6EFCB4000-memory.dmp

        memory/4880-3-0x00007FF6EF390000-0x00007FF6EFCB4000-memory.dmp

        memory/4880-7-0x00007FF6EF3A3000-0x00007FF6EF3A4000-memory.dmp

        memory/4880-8-0x00007FF6EF390000-0x00007FF6EFCB4000-memory.dmp

        memory/4880-12-0x00007FF6EF390000-0x00007FF6EFCB4000-memory.dmp

        memory/4880-17-0x00007FF6EF390000-0x00007FF6EFCB4000-memory.dmp

        memory/4880-20-0x00007FF6EF390000-0x00007FF6EFCB4000-memory.dmp

        memory/4880-26-0x00007FF6EF390000-0x00007FF6EFCB4000-memory.dmp