Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-05-2024 17:08

General

  • Target

    9ce049e7344040040e37b4dcf73649e1778adff2669d8ff15d1b4bb09cc6dde8.exe

  • Size

    1.7MB

  • MD5

    467a7c22a78c161768f4fc1f37a75219

  • SHA1

    efea6eb37983259072275702d12730e402a6d611

  • SHA256

    9ce049e7344040040e37b4dcf73649e1778adff2669d8ff15d1b4bb09cc6dde8

  • SHA512

    17ed24670e4944bd065fe790ebe4ed3c01efda9142e8d128341b05b9cc6a3945529fb1572d22df7707a110e2120e810b1fd614fd2332aa7a25636a3ad9cb0ea3

  • SSDEEP

    49152:UVeTqMV80dK8kyNI9uy135VH3fRpBZ0xc9vG61J:UV+qp07kyNIt13TJyxojJ

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 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
  • Themida packer 39 IoCs

    Detects Themida, an advanced Windows software protection system.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\9ce049e7344040040e37b4dcf73649e1778adff2669d8ff15d1b4bb09cc6dde8.exe
    "C:\Users\Admin\AppData\Local\Temp\9ce049e7344040040e37b4dcf73649e1778adff2669d8ff15d1b4bb09cc6dde8.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks computer location settings
    • Checks whether UAC is enabled
    • Drops file in Windows directory
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1496
    • 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:3132
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4140 --field-trial-handle=2692,i,8678872182442199182,12502579059484928042,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4428
    • 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:804
    • 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:2884

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Defense Evasion

    Virtualization/Sandbox Evasion

    1
    T1497

    Discovery

    Query Registry

    3
    T1012

    Virtualization/Sandbox Evasion

    1
    T1497

    System Information Discovery

    4
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      1.7MB

      MD5

      467a7c22a78c161768f4fc1f37a75219

      SHA1

      efea6eb37983259072275702d12730e402a6d611

      SHA256

      9ce049e7344040040e37b4dcf73649e1778adff2669d8ff15d1b4bb09cc6dde8

      SHA512

      17ed24670e4944bd065fe790ebe4ed3c01efda9142e8d128341b05b9cc6a3945529fb1572d22df7707a110e2120e810b1fd614fd2332aa7a25636a3ad9cb0ea3

    • memory/804-43-0x0000000000FB0000-0x00000000014F6000-memory.dmp
      Filesize

      5.3MB

    • memory/804-41-0x0000000000FB0000-0x00000000014F6000-memory.dmp
      Filesize

      5.3MB

    • memory/804-39-0x0000000000FB0000-0x00000000014F6000-memory.dmp
      Filesize

      5.3MB

    • memory/804-37-0x0000000000FB0000-0x00000000014F6000-memory.dmp
      Filesize

      5.3MB

    • memory/804-38-0x0000000000FB0000-0x00000000014F6000-memory.dmp
      Filesize

      5.3MB

    • memory/804-45-0x0000000000FB0000-0x00000000014F6000-memory.dmp
      Filesize

      5.3MB

    • memory/804-44-0x0000000000FB0000-0x00000000014F6000-memory.dmp
      Filesize

      5.3MB

    • memory/804-40-0x0000000000FB0000-0x00000000014F6000-memory.dmp
      Filesize

      5.3MB

    • memory/804-46-0x0000000000FB0000-0x00000000014F6000-memory.dmp
      Filesize

      5.3MB

    • memory/804-42-0x0000000000FB0000-0x00000000014F6000-memory.dmp
      Filesize

      5.3MB

    • memory/1496-7-0x0000000000620000-0x0000000000B66000-memory.dmp
      Filesize

      5.3MB

    • memory/1496-0-0x0000000000620000-0x0000000000B66000-memory.dmp
      Filesize

      5.3MB

    • memory/1496-8-0x0000000000620000-0x0000000000B66000-memory.dmp
      Filesize

      5.3MB

    • memory/1496-21-0x0000000000620000-0x0000000000B66000-memory.dmp
      Filesize

      5.3MB

    • memory/1496-4-0x0000000000620000-0x0000000000B66000-memory.dmp
      Filesize

      5.3MB

    • memory/1496-6-0x0000000000620000-0x0000000000B66000-memory.dmp
      Filesize

      5.3MB

    • memory/1496-5-0x0000000000620000-0x0000000000B66000-memory.dmp
      Filesize

      5.3MB

    • memory/1496-2-0x0000000000620000-0x0000000000B66000-memory.dmp
      Filesize

      5.3MB

    • memory/1496-1-0x0000000000620000-0x0000000000B66000-memory.dmp
      Filesize

      5.3MB

    • memory/1496-3-0x0000000000620000-0x0000000000B66000-memory.dmp
      Filesize

      5.3MB

    • memory/2884-58-0x0000000000FB0000-0x00000000014F6000-memory.dmp
      Filesize

      5.3MB

    • memory/2884-54-0x0000000000FB0000-0x00000000014F6000-memory.dmp
      Filesize

      5.3MB

    • memory/2884-61-0x0000000000FB0000-0x00000000014F6000-memory.dmp
      Filesize

      5.3MB

    • memory/2884-60-0x0000000000FB0000-0x00000000014F6000-memory.dmp
      Filesize

      5.3MB

    • memory/2884-59-0x0000000000FB0000-0x00000000014F6000-memory.dmp
      Filesize

      5.3MB

    • memory/2884-57-0x0000000000FB0000-0x00000000014F6000-memory.dmp
      Filesize

      5.3MB

    • memory/2884-56-0x0000000000FB0000-0x00000000014F6000-memory.dmp
      Filesize

      5.3MB

    • memory/2884-55-0x0000000000FB0000-0x00000000014F6000-memory.dmp
      Filesize

      5.3MB

    • memory/3132-22-0x0000000000FB0000-0x00000000014F6000-memory.dmp
      Filesize

      5.3MB

    • memory/3132-30-0x0000000000FB0000-0x00000000014F6000-memory.dmp
      Filesize

      5.3MB

    • memory/3132-23-0x0000000000FB0000-0x00000000014F6000-memory.dmp
      Filesize

      5.3MB

    • memory/3132-24-0x0000000000FB0000-0x00000000014F6000-memory.dmp
      Filesize

      5.3MB

    • memory/3132-25-0x0000000000FB0000-0x00000000014F6000-memory.dmp
      Filesize

      5.3MB

    • memory/3132-29-0x0000000000FB0000-0x00000000014F6000-memory.dmp
      Filesize

      5.3MB

    • memory/3132-27-0x0000000000FB0000-0x00000000014F6000-memory.dmp
      Filesize

      5.3MB

    • memory/3132-26-0x0000000000FB0000-0x00000000014F6000-memory.dmp
      Filesize

      5.3MB

    • memory/3132-31-0x0000000000FB0000-0x00000000014F6000-memory.dmp
      Filesize

      5.3MB

    • memory/3132-28-0x0000000000FB0000-0x00000000014F6000-memory.dmp
      Filesize

      5.3MB