Analysis

  • max time kernel
    142s
  • max time network
    142s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    07/09/2024, 10:43

General

  • Target
    88c994d9ba7201b90298b1145db449dcd95261aacf66cf421138d6b5a180e8d0.exe
  • Size 1.9MB
  • Sample240907-msc54szekr
  • SHA256 88c994d9ba7201b90298b1145db449dcd95261aacf66cf421138d6b5a180e8d0
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • amadey

Version
  • 4.41

Botnet
  • c7817d

C2
  • http://31.41.244.10

Attributes
  • install_dir

    0e8d0864aa

  • install_file

    svoutse.exe

  • strings_key

    5481b88a6ef75bcf21333988a4e47048

  • url_paths

    /Dem7kTu/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).

  • 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\88c994d9ba7201b90298b1145db449dcd95261aacf66cf421138d6b5a180e8d0.exe
    "C:\Users\Admin\AppData\Local\Temp\88c994d9ba7201b90298b1145db449dcd95261aacf66cf421138d6b5a180e8d0.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
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1004
    • C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.exe
      "C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.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:2824
  • C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.exe
    C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.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:4108
  • C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.exe
    C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.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:1608

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        svoutse.exe

        • Path C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.exe
        • Size 1.9MB
        • SHA256 88c994d9ba7201b90298b1145db449dcd95261aacf66cf421138d6b5a180e8d0
        • MD5 SHA1 SHA512 SSDEEP

        memory/1004-0-0x0000000000C20000-0x0000000001104000-memory.dmp

        memory/1004-1-0x0000000077D56000-0x0000000077D58000-memory.dmp

        memory/1004-2-0x0000000000C21000-0x0000000000C4F000-memory.dmp

        memory/1004-3-0x0000000000C20000-0x0000000001104000-memory.dmp

        memory/1004-5-0x0000000000C20000-0x0000000001104000-memory.dmp

        memory/1004-18-0x0000000000C20000-0x0000000001104000-memory.dmp

        memory/1608-41-0x0000000000770000-0x0000000000C54000-memory.dmp

        memory/2824-27-0x0000000000770000-0x0000000000C54000-memory.dmp

        memory/2824-34-0x0000000000770000-0x0000000000C54000-memory.dmp

        memory/2824-21-0x0000000000770000-0x0000000000C54000-memory.dmp

        memory/2824-22-0x0000000000770000-0x0000000000C54000-memory.dmp

        memory/2824-23-0x0000000000770000-0x0000000000C54000-memory.dmp

        memory/2824-24-0x0000000000770000-0x0000000000C54000-memory.dmp

        memory/2824-25-0x0000000000770000-0x0000000000C54000-memory.dmp

        memory/2824-26-0x0000000000770000-0x0000000000C54000-memory.dmp

        memory/2824-19-0x0000000000770000-0x0000000000C54000-memory.dmp

        memory/2824-46-0x0000000000770000-0x0000000000C54000-memory.dmp

        memory/2824-45-0x0000000000770000-0x0000000000C54000-memory.dmp

        memory/2824-44-0x0000000000770000-0x0000000000C54000-memory.dmp

        memory/2824-43-0x0000000000770000-0x0000000000C54000-memory.dmp

        memory/2824-20-0x0000000000770000-0x0000000000C54000-memory.dmp

        memory/2824-35-0x0000000000770000-0x0000000000C54000-memory.dmp

        memory/2824-36-0x0000000000770000-0x0000000000C54000-memory.dmp

        memory/2824-37-0x0000000000770000-0x0000000000C54000-memory.dmp

        memory/2824-38-0x0000000000770000-0x0000000000C54000-memory.dmp

        memory/2824-39-0x0000000000770000-0x0000000000C54000-memory.dmp

        memory/2824-16-0x0000000000770000-0x0000000000C54000-memory.dmp

        memory/2824-42-0x0000000000770000-0x0000000000C54000-memory.dmp

        memory/4108-33-0x0000000000770000-0x0000000000C54000-memory.dmp

        memory/4108-31-0x0000000000770000-0x0000000000C54000-memory.dmp

        memory/4108-30-0x0000000000770000-0x0000000000C54000-memory.dmp

        memory/4108-29-0x0000000000770000-0x0000000000C54000-memory.dmp