Analysis

  • max time kernel
    145s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/07/2024, 08:40

General

  • Target
    a337d575a5fef97dc3bc9e565d358d51112c3c031979041d7bfaa8208d9b4f07.exe
  • Size 1.8MB
  • Sample240708-kky2hatbrb
  • SHA256 a337d575a5fef97dc3bc9e565d358d51112c3c031979041d7bfaa8208d9b4f07
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • amadey

Version
  • 4.30

Botnet
  • 4dd39d

C2
  • http://77.91.77.82

Attributes
  • install_dir

    ad40971b6b

  • install_file

    explorti.exe

  • strings_key

    a434973ad22def7137dbb5e059b7081e

  • url_paths

    /Hun4Ko/index.php

rc4.plain

Signatures

  • Amadey

    Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 4 IoCs
  • Checks BIOS information in registry 2 TTPs 8 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Identifies Wine through registry keys 2 TTPs 4 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a337d575a5fef97dc3bc9e565d358d51112c3c031979041d7bfaa8208d9b4f07.exe
    "C:\Users\Admin\AppData\Local\Temp\a337d575a5fef97dc3bc9e565d358d51112c3c031979041d7bfaa8208d9b4f07.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks computer location settings
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:3816
    • C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
      "C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe"
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      PID:2020
  • C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
    C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Executes dropped EXE
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    PID:4508
  • C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
    C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Executes dropped EXE
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    PID:4852

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        explorti.exe

        • Path C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
        • Size 1.8MB
        • SHA256 a337d575a5fef97dc3bc9e565d358d51112c3c031979041d7bfaa8208d9b4f07
        • MD5 SHA1 SHA512 SSDEEP

        memory/2020-36-0x00000000001C0000-0x0000000000684000-memory.dmp

        memory/2020-35-0x00000000001C0000-0x0000000000684000-memory.dmp

        memory/2020-44-0x00000000001C0000-0x0000000000684000-memory.dmp

        memory/2020-43-0x00000000001C0000-0x0000000000684000-memory.dmp

        memory/2020-42-0x00000000001C0000-0x0000000000684000-memory.dmp

        memory/2020-41-0x00000000001C0000-0x0000000000684000-memory.dmp

        memory/2020-17-0x00000000001C0000-0x0000000000684000-memory.dmp

        memory/2020-18-0x00000000001C0000-0x0000000000684000-memory.dmp

        memory/2020-19-0x00000000001C0000-0x0000000000684000-memory.dmp

        memory/2020-20-0x00000000001C0000-0x0000000000684000-memory.dmp

        memory/2020-21-0x00000000001C0000-0x0000000000684000-memory.dmp

        memory/2020-22-0x00000000001C0000-0x0000000000684000-memory.dmp

        memory/2020-23-0x00000000001C0000-0x0000000000684000-memory.dmp

        memory/2020-24-0x00000000001C0000-0x0000000000684000-memory.dmp

        memory/2020-40-0x00000000001C0000-0x0000000000684000-memory.dmp

        memory/2020-39-0x00000000001C0000-0x0000000000684000-memory.dmp

        memory/2020-31-0x00000000001C0000-0x0000000000684000-memory.dmp

        memory/2020-25-0x00000000001C0000-0x0000000000684000-memory.dmp

        memory/2020-34-0x00000000001C0000-0x0000000000684000-memory.dmp

        memory/2020-32-0x00000000001C0000-0x0000000000684000-memory.dmp

        memory/2020-33-0x00000000001C0000-0x0000000000684000-memory.dmp

        memory/3816-0-0x00000000003C0000-0x0000000000884000-memory.dmp

        memory/3816-2-0x00000000003C1000-0x00000000003EF000-memory.dmp

        memory/3816-16-0x00000000003C0000-0x0000000000884000-memory.dmp

        memory/3816-1-0x0000000077E44000-0x0000000077E46000-memory.dmp

        memory/3816-4-0x00000000003C0000-0x0000000000884000-memory.dmp

        memory/3816-3-0x00000000003C0000-0x0000000000884000-memory.dmp

        memory/4508-27-0x00000000001C0000-0x0000000000684000-memory.dmp

        memory/4508-30-0x00000000001C0000-0x0000000000684000-memory.dmp

        memory/4508-28-0x00000000001C0000-0x0000000000684000-memory.dmp

        memory/4852-38-0x00000000001C0000-0x0000000000684000-memory.dmp