Analysis

  • max time kernel
    146s
  • max time network
    153s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240508-en
  • resource tags

    arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    21/06/2024, 01:27

General

  • Target
    372b4be259b04e5c12c28cc81cdbd37dae860313a7304e5609e3b15ac9dae12a.exe
  • Size 1.8MB
  • Sample240621-bt4tnsvclb
  • SHA256 372b4be259b04e5c12c28cc81cdbd37dae860313a7304e5609e3b15ac9dae12a
  • 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 4 IoCs
  • Checks BIOS information in registry 2 TTPs 8 IoCs

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

  • 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 WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\372b4be259b04e5c12c28cc81cdbd37dae860313a7304e5609e3b15ac9dae12a.exe
    "C:\Users\Admin\AppData\Local\Temp\372b4be259b04e5c12c28cc81cdbd37dae860313a7304e5609e3b15ac9dae12a.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:1000
    • 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:1564
  • 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:3188
  • 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:2004

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 372b4be259b04e5c12c28cc81cdbd37dae860313a7304e5609e3b15ac9dae12a
        • MD5 SHA1 SHA512 SSDEEP

        memory/1000-0-0x00000000007E0000-0x0000000000C8E000-memory.dmp

        memory/1000-1-0x0000000077EB6000-0x0000000077EB8000-memory.dmp

        memory/1000-2-0x00000000007E1000-0x000000000080F000-memory.dmp

        memory/1000-3-0x00000000007E0000-0x0000000000C8E000-memory.dmp

        memory/1000-5-0x00000000007E0000-0x0000000000C8E000-memory.dmp

        memory/1000-17-0x00000000007E0000-0x0000000000C8E000-memory.dmp

        memory/1564-36-0x0000000000420000-0x00000000008CE000-memory.dmp

        memory/1564-32-0x0000000000420000-0x00000000008CE000-memory.dmp

        memory/1564-20-0x0000000000420000-0x00000000008CE000-memory.dmp

        memory/1564-21-0x0000000000420000-0x00000000008CE000-memory.dmp

        memory/1564-22-0x0000000000420000-0x00000000008CE000-memory.dmp

        memory/1564-23-0x0000000000420000-0x00000000008CE000-memory.dmp

        memory/1564-24-0x0000000000420000-0x00000000008CE000-memory.dmp

        memory/1564-25-0x0000000000420000-0x00000000008CE000-memory.dmp

        memory/1564-26-0x0000000000420000-0x00000000008CE000-memory.dmp

        memory/1564-44-0x0000000000420000-0x00000000008CE000-memory.dmp

        memory/1564-43-0x0000000000420000-0x00000000008CE000-memory.dmp

        memory/1564-42-0x0000000000420000-0x00000000008CE000-memory.dmp

        memory/1564-41-0x0000000000420000-0x00000000008CE000-memory.dmp

        memory/1564-19-0x0000000000420000-0x00000000008CE000-memory.dmp

        memory/1564-33-0x0000000000420000-0x00000000008CE000-memory.dmp

        memory/1564-34-0x0000000000420000-0x00000000008CE000-memory.dmp

        memory/1564-35-0x0000000000420000-0x00000000008CE000-memory.dmp

        memory/1564-18-0x0000000000420000-0x00000000008CE000-memory.dmp

        memory/1564-37-0x0000000000420000-0x00000000008CE000-memory.dmp

        memory/2004-39-0x0000000000420000-0x00000000008CE000-memory.dmp

        memory/2004-40-0x0000000000420000-0x00000000008CE000-memory.dmp

        memory/3188-31-0x0000000000420000-0x00000000008CE000-memory.dmp

        memory/3188-30-0x0000000000420000-0x00000000008CE000-memory.dmp

        memory/3188-29-0x0000000000420000-0x00000000008CE000-memory.dmp

        memory/3188-28-0x0000000000420000-0x00000000008CE000-memory.dmp