Analysis

  • max time kernel
    146s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240508-en
  • resource tags

    arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    24/06/2024, 03:56

General

  • Target
    6cc37cdea21d7b41ab93a2081a1a085128bed98d23f1223ecca6d841ba668dea.exe
  • Size 1.8MB
  • Sample240624-ehrlrawhkc
  • SHA256 6cc37cdea21d7b41ab93a2081a1a085128bed98d23f1223ecca6d841ba668dea
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • amadey

Version
  • 4.21

Botnet
  • 0e6740

C2
  • http://147.45.47.155

Attributes
  • install_dir

    9217037dc9

  • install_file

    explortu.exe

  • strings_key

    8e894a8a4a3d0da8924003a561cfb244

  • url_paths

    /ku4Nor9/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 5 IoCs
  • Checks BIOS information in registry 2 TTPs 10 IoCs

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

  • Executes dropped EXE 4 IoCs
  • Identifies Wine through registry keys 2 TTPs 5 IoCs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 5 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 10 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6cc37cdea21d7b41ab93a2081a1a085128bed98d23f1223ecca6d841ba668dea.exe
    "C:\Users\Admin\AppData\Local\Temp\6cc37cdea21d7b41ab93a2081a1a085128bed98d23f1223ecca6d841ba668dea.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4420
    • C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe
      "C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.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:4684
  • C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe
    C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.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:3108
  • C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe
    C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.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:4000
  • C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe
    C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.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:4860

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        explortu.exe

        • Path C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe
        • Size 1.8MB
        • SHA256 6cc37cdea21d7b41ab93a2081a1a085128bed98d23f1223ecca6d841ba668dea
        • MD5 SHA1 SHA512 SSDEEP

        memory/3108-24-0x00000000006F0000-0x0000000000BB6000-memory.dmp

        memory/3108-23-0x00000000006F0000-0x0000000000BB6000-memory.dmp

        memory/3108-25-0x00000000006F0000-0x0000000000BB6000-memory.dmp

        memory/3108-26-0x00000000006F0000-0x0000000000BB6000-memory.dmp

        memory/4000-37-0x00000000006F0000-0x0000000000BB6000-memory.dmp

        memory/4000-36-0x00000000006F0000-0x0000000000BB6000-memory.dmp

        memory/4420-3-0x0000000000ED0000-0x0000000001396000-memory.dmp

        memory/4420-0-0x0000000000ED0000-0x0000000001396000-memory.dmp

        memory/4420-17-0x0000000000ED0000-0x0000000001396000-memory.dmp

        memory/4420-5-0x0000000000ED0000-0x0000000001396000-memory.dmp

        memory/4420-2-0x0000000000ED1000-0x0000000000EFF000-memory.dmp

        memory/4420-1-0x00000000774E6000-0x00000000774E8000-memory.dmp

        memory/4684-19-0x00000000006F1000-0x000000000071F000-memory.dmp

        memory/4684-18-0x00000000006F0000-0x0000000000BB6000-memory.dmp

        memory/4684-27-0x00000000006F0000-0x0000000000BB6000-memory.dmp

        memory/4684-28-0x00000000006F0000-0x0000000000BB6000-memory.dmp

        memory/4684-29-0x00000000006F0000-0x0000000000BB6000-memory.dmp

        memory/4684-30-0x00000000006F0000-0x0000000000BB6000-memory.dmp

        memory/4684-31-0x00000000006F0000-0x0000000000BB6000-memory.dmp

        memory/4684-32-0x00000000006F0000-0x0000000000BB6000-memory.dmp

        memory/4684-33-0x00000000006F0000-0x0000000000BB6000-memory.dmp

        memory/4684-34-0x00000000006F0000-0x0000000000BB6000-memory.dmp

        memory/4684-20-0x00000000006F0000-0x0000000000BB6000-memory.dmp

        memory/4684-21-0x00000000006F0000-0x0000000000BB6000-memory.dmp

        memory/4684-38-0x00000000006F0000-0x0000000000BB6000-memory.dmp

        memory/4684-39-0x00000000006F0000-0x0000000000BB6000-memory.dmp

        memory/4684-40-0x00000000006F0000-0x0000000000BB6000-memory.dmp

        memory/4684-41-0x00000000006F0000-0x0000000000BB6000-memory.dmp

        memory/4684-42-0x00000000006F0000-0x0000000000BB6000-memory.dmp

        memory/4684-43-0x00000000006F0000-0x0000000000BB6000-memory.dmp

        memory/4684-48-0x00000000006F0000-0x0000000000BB6000-memory.dmp

        memory/4684-47-0x00000000006F0000-0x0000000000BB6000-memory.dmp

        memory/4860-46-0x00000000006F0000-0x0000000000BB6000-memory.dmp

        memory/4860-45-0x00000000006F0000-0x0000000000BB6000-memory.dmp