Analysis

  • max time kernel
    142s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/10/2024, 02:04

General

  • Target
    9f757732bb1b26a24a4fb70565e07945316a3fd1c2cbc841ded57aceaa8bb3d5.exe
  • Size 1.8MB
  • Sample241017-chrkmswgra
  • SHA256 9f757732bb1b26a24a4fb70565e07945316a3fd1c2cbc841ded57aceaa8bb3d5
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • amadey

Version
  • 4.41

Botnet
  • 0657d1

C2
  • http://185.215.113.19

Attributes
  • install_dir

    0d8f5eb8a7

  • install_file

    explorti.exe

  • strings_key

    6c55a5f34bb433fbd933a168577b1838

  • url_paths

    /Vi9leo/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).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\9f757732bb1b26a24a4fb70565e07945316a3fd1c2cbc841ded57aceaa8bb3d5.exe
    "C:\Users\Admin\AppData\Local\Temp\9f757732bb1b26a24a4fb70565e07945316a3fd1c2cbc841ded57aceaa8bb3d5.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
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2740
    • C:\Users\Admin\AppData\Local\Temp\0d8f5eb8a7\explorti.exe
      "C:\Users\Admin\AppData\Local\Temp\0d8f5eb8a7\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
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:4848
  • C:\Users\Admin\AppData\Local\Temp\0d8f5eb8a7\explorti.exe
    C:\Users\Admin\AppData\Local\Temp\0d8f5eb8a7\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:4856
  • C:\Users\Admin\AppData\Local\Temp\0d8f5eb8a7\explorti.exe
    C:\Users\Admin\AppData\Local\Temp\0d8f5eb8a7\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:3708

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        explorti.exe

        • Path C:\Users\Admin\AppData\Local\Temp\0d8f5eb8a7\explorti.exe
        • Size 1.8MB
        • SHA256 9f757732bb1b26a24a4fb70565e07945316a3fd1c2cbc841ded57aceaa8bb3d5
        • MD5 SHA1 SHA512 SSDEEP

        memory/2740-0-0x0000000000B40000-0x0000000001017000-memory.dmp

        memory/2740-1-0x0000000077D24000-0x0000000077D26000-memory.dmp

        memory/2740-2-0x0000000000B41000-0x0000000000B6F000-memory.dmp

        memory/2740-3-0x0000000000B40000-0x0000000001017000-memory.dmp

        memory/2740-4-0x0000000000B40000-0x0000000001017000-memory.dmp

        memory/2740-18-0x0000000000B40000-0x0000000001017000-memory.dmp

        memory/3708-44-0x0000000000140000-0x0000000000617000-memory.dmp

        memory/3708-43-0x0000000000140000-0x0000000000617000-memory.dmp

        memory/4848-27-0x0000000000140000-0x0000000000617000-memory.dmp

        memory/4848-41-0x0000000000140000-0x0000000000617000-memory.dmp

        memory/4848-22-0x0000000000140000-0x0000000000617000-memory.dmp

        memory/4848-23-0x0000000000140000-0x0000000000617000-memory.dmp

        memory/4848-24-0x0000000000140000-0x0000000000617000-memory.dmp

        memory/4848-25-0x0000000000140000-0x0000000000617000-memory.dmp

        memory/4848-26-0x0000000000140000-0x0000000000617000-memory.dmp

        memory/4848-20-0x0000000000140000-0x0000000000617000-memory.dmp

        memory/4848-28-0x0000000000140000-0x0000000000617000-memory.dmp

        memory/4848-29-0x0000000000140000-0x0000000000617000-memory.dmp

        memory/4848-47-0x0000000000140000-0x0000000000617000-memory.dmp

        memory/4848-46-0x0000000000140000-0x0000000000617000-memory.dmp

        memory/4848-45-0x0000000000140000-0x0000000000617000-memory.dmp

        memory/4848-16-0x0000000000140000-0x0000000000617000-memory.dmp

        memory/4848-36-0x0000000000140000-0x0000000000617000-memory.dmp

        memory/4848-37-0x0000000000140000-0x0000000000617000-memory.dmp

        memory/4848-38-0x0000000000140000-0x0000000000617000-memory.dmp

        memory/4848-39-0x0000000000140000-0x0000000000617000-memory.dmp

        memory/4848-40-0x0000000000140000-0x0000000000617000-memory.dmp

        memory/4848-21-0x0000000000140000-0x0000000000617000-memory.dmp

        memory/4848-19-0x0000000000141000-0x000000000016F000-memory.dmp

        memory/4856-35-0x0000000000140000-0x0000000000617000-memory.dmp

        memory/4856-33-0x0000000000140000-0x0000000000617000-memory.dmp

        memory/4856-32-0x0000000000140000-0x0000000000617000-memory.dmp

        memory/4856-31-0x0000000000140000-0x0000000000617000-memory.dmp