Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240419-en
  • resource tags

    arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    22-05-2024 16:54

General

  • Target

    59fb0ab620a181cb33532812184a37d599f56d2b42df76395d61e3deaa503b71.exe

  • Size

    1.6MB

  • MD5

    c1e8ef98e5bf0e684aa3f87cda4c47d7

  • SHA1

    440d9a5445e7dc5473123eab18538a8d7377410f

  • SHA256

    59fb0ab620a181cb33532812184a37d599f56d2b42df76395d61e3deaa503b71

  • SHA512

    a5f998c45efd9ba293bf883363676a4acfa27122d233f65e58284a73746c75688746294edaa5d80468970bbf3dcc5233a64ef26113887df2404bd878f72444af

  • SSDEEP

    24576:A8dcvpe6pBgcWErP6c38GqjyBq1Dfu5mZJr9qeKc6VM2zOcRTEaP26xsveq3m:LevpVBgpErP6u8FqqpumzRdl6Vzz4aV3

Malware Config

Extracted

Family

amadey

Version

4.20

Botnet

18befc

C2

http://5.42.96.141

Attributes
  • install_dir

    908f070dff

  • install_file

    explorku.exe

  • strings_key

    b25a9385246248a95c600f9a061438e1

  • url_paths

    /go34ko8/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
  • Themida packer 48 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 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 use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\59fb0ab620a181cb33532812184a37d599f56d2b42df76395d61e3deaa503b71.exe
    "C:\Users\Admin\AppData\Local\Temp\59fb0ab620a181cb33532812184a37d599f56d2b42df76395d61e3deaa503b71.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Drops file in Windows directory
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4904
    • C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe
      "C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe"
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Checks whether UAC is enabled
      PID:4092
  • C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe
    C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Executes dropped EXE
    • Checks whether UAC is enabled
    PID:4824
  • C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe
    C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Executes dropped EXE
    • Checks whether UAC is enabled
    PID:4708
  • C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe
    C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Executes dropped EXE
    • Checks whether UAC is enabled
    PID:3768

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe

    Filesize

    1.6MB

    MD5

    c1e8ef98e5bf0e684aa3f87cda4c47d7

    SHA1

    440d9a5445e7dc5473123eab18538a8d7377410f

    SHA256

    59fb0ab620a181cb33532812184a37d599f56d2b42df76395d61e3deaa503b71

    SHA512

    a5f998c45efd9ba293bf883363676a4acfa27122d233f65e58284a73746c75688746294edaa5d80468970bbf3dcc5233a64ef26113887df2404bd878f72444af

  • memory/3768-64-0x0000000000AC0000-0x0000000000FFC000-memory.dmp

    Filesize

    5.2MB

  • memory/3768-72-0x0000000000AC0000-0x0000000000FFC000-memory.dmp

    Filesize

    5.2MB

  • memory/3768-65-0x0000000000AC0000-0x0000000000FFC000-memory.dmp

    Filesize

    5.2MB

  • memory/3768-67-0x0000000000AC0000-0x0000000000FFC000-memory.dmp

    Filesize

    5.2MB

  • memory/3768-69-0x0000000000AC0000-0x0000000000FFC000-memory.dmp

    Filesize

    5.2MB

  • memory/3768-68-0x0000000000AC0000-0x0000000000FFC000-memory.dmp

    Filesize

    5.2MB

  • memory/3768-71-0x0000000000AC0000-0x0000000000FFC000-memory.dmp

    Filesize

    5.2MB

  • memory/3768-70-0x0000000000AC0000-0x0000000000FFC000-memory.dmp

    Filesize

    5.2MB

  • memory/3768-66-0x0000000000AC0000-0x0000000000FFC000-memory.dmp

    Filesize

    5.2MB

  • memory/4092-23-0x0000000000AC0000-0x0000000000FFC000-memory.dmp

    Filesize

    5.2MB

  • memory/4092-24-0x0000000000AC0000-0x0000000000FFC000-memory.dmp

    Filesize

    5.2MB

  • memory/4092-28-0x0000000000AC0000-0x0000000000FFC000-memory.dmp

    Filesize

    5.2MB

  • memory/4092-30-0x0000000000AC0000-0x0000000000FFC000-memory.dmp

    Filesize

    5.2MB

  • memory/4092-29-0x0000000000AC0000-0x0000000000FFC000-memory.dmp

    Filesize

    5.2MB

  • memory/4092-27-0x0000000000AC0000-0x0000000000FFC000-memory.dmp

    Filesize

    5.2MB

  • memory/4092-26-0x0000000000AC0000-0x0000000000FFC000-memory.dmp

    Filesize

    5.2MB

  • memory/4092-25-0x0000000000AC0000-0x0000000000FFC000-memory.dmp

    Filesize

    5.2MB

  • memory/4092-42-0x0000000000AC0000-0x0000000000FFC000-memory.dmp

    Filesize

    5.2MB

  • memory/4092-20-0x0000000000AC0000-0x0000000000FFC000-memory.dmp

    Filesize

    5.2MB

  • memory/4708-52-0x0000000000AC0000-0x0000000000FFC000-memory.dmp

    Filesize

    5.2MB

  • memory/4708-50-0x0000000000AC0000-0x0000000000FFC000-memory.dmp

    Filesize

    5.2MB

  • memory/4708-56-0x0000000000AC0000-0x0000000000FFC000-memory.dmp

    Filesize

    5.2MB

  • memory/4708-49-0x0000000000AC0000-0x0000000000FFC000-memory.dmp

    Filesize

    5.2MB

  • memory/4708-53-0x0000000000AC0000-0x0000000000FFC000-memory.dmp

    Filesize

    5.2MB

  • memory/4708-55-0x0000000000AC0000-0x0000000000FFC000-memory.dmp

    Filesize

    5.2MB

  • memory/4708-54-0x0000000000AC0000-0x0000000000FFC000-memory.dmp

    Filesize

    5.2MB

  • memory/4708-51-0x0000000000AC0000-0x0000000000FFC000-memory.dmp

    Filesize

    5.2MB

  • memory/4824-35-0x0000000000AC0000-0x0000000000FFC000-memory.dmp

    Filesize

    5.2MB

  • memory/4824-40-0x0000000000AC0000-0x0000000000FFC000-memory.dmp

    Filesize

    5.2MB

  • memory/4824-32-0x0000000000AC0000-0x0000000000FFC000-memory.dmp

    Filesize

    5.2MB

  • memory/4824-33-0x0000000000AC0000-0x0000000000FFC000-memory.dmp

    Filesize

    5.2MB

  • memory/4824-34-0x0000000000AC0000-0x0000000000FFC000-memory.dmp

    Filesize

    5.2MB

  • memory/4824-37-0x0000000000AC0000-0x0000000000FFC000-memory.dmp

    Filesize

    5.2MB

  • memory/4824-38-0x0000000000AC0000-0x0000000000FFC000-memory.dmp

    Filesize

    5.2MB

  • memory/4824-39-0x0000000000AC0000-0x0000000000FFC000-memory.dmp

    Filesize

    5.2MB

  • memory/4824-36-0x0000000000AC0000-0x0000000000FFC000-memory.dmp

    Filesize

    5.2MB

  • memory/4824-41-0x0000000000AC0000-0x0000000000FFC000-memory.dmp

    Filesize

    5.2MB

  • memory/4904-0-0x0000000000F70000-0x00000000014AC000-memory.dmp

    Filesize

    5.2MB

  • memory/4904-22-0x0000000000F70000-0x00000000014AC000-memory.dmp

    Filesize

    5.2MB

  • memory/4904-8-0x0000000000F70000-0x00000000014AC000-memory.dmp

    Filesize

    5.2MB

  • memory/4904-1-0x0000000000F70000-0x00000000014AC000-memory.dmp

    Filesize

    5.2MB

  • memory/4904-3-0x0000000000F70000-0x00000000014AC000-memory.dmp

    Filesize

    5.2MB

  • memory/4904-7-0x0000000000F70000-0x00000000014AC000-memory.dmp

    Filesize

    5.2MB

  • memory/4904-6-0x0000000000F70000-0x00000000014AC000-memory.dmp

    Filesize

    5.2MB

  • memory/4904-5-0x0000000000F70000-0x00000000014AC000-memory.dmp

    Filesize

    5.2MB

  • memory/4904-4-0x0000000000F70000-0x00000000014AC000-memory.dmp

    Filesize

    5.2MB

  • memory/4904-2-0x0000000000F70000-0x00000000014AC000-memory.dmp

    Filesize

    5.2MB