Analysis

  • max time kernel
    144s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 10:37

General

  • Target

    8ed68cc7a753bc9c6248aca0d5356271f62ecf266a19160b65affa284c30b53c.exe

  • Size

    1.7MB

  • MD5

    653b897cafda5217f686de9b480d1fdd

  • SHA1

    0e1c7f346f55887faca7e56bc323054f776628d4

  • SHA256

    8ed68cc7a753bc9c6248aca0d5356271f62ecf266a19160b65affa284c30b53c

  • SHA512

    136256e4a8a769cbbb769776b5187b52eb417b47b63bc52118b3796dcfa2ab73ecc176b2ba3fec397b397fc333939bf7a9f4ca7f42ff9e8afb1b615551f9d263

  • SSDEEP

    49152:odMp1VeHIlIohxw8d3oMlPUNGqj6bq3ujedpRgNLw8:5/GoYO3dlMc9meCXCw8

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 WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8ed68cc7a753bc9c6248aca0d5356271f62ecf266a19160b65affa284c30b53c.exe
    "C:\Users\Admin\AppData\Local\Temp\8ed68cc7a753bc9c6248aca0d5356271f62ecf266a19160b65affa284c30b53c.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 WriteProcessMemory
    PID:2832
    • 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:4008
  • 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 --field-trial-handle=1280,i,1697479186275492802,18058102846092193784,262144 --variations-seed-version --mojo-platform-channel-handle=3744 /prefetch:8
    1⤵
      PID:2956
    • 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:2016
    • 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:2928

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      1.7MB

      MD5

      653b897cafda5217f686de9b480d1fdd

      SHA1

      0e1c7f346f55887faca7e56bc323054f776628d4

      SHA256

      8ed68cc7a753bc9c6248aca0d5356271f62ecf266a19160b65affa284c30b53c

      SHA512

      136256e4a8a769cbbb769776b5187b52eb417b47b63bc52118b3796dcfa2ab73ecc176b2ba3fec397b397fc333939bf7a9f4ca7f42ff9e8afb1b615551f9d263

    • memory/2016-38-0x0000000000870000-0x0000000000DC5000-memory.dmp
      Filesize

      5.3MB

    • memory/2016-43-0x0000000000870000-0x0000000000DC5000-memory.dmp
      Filesize

      5.3MB

    • memory/2016-36-0x0000000000870000-0x0000000000DC5000-memory.dmp
      Filesize

      5.3MB

    • memory/2016-37-0x0000000000870000-0x0000000000DC5000-memory.dmp
      Filesize

      5.3MB

    • memory/2016-40-0x0000000000870000-0x0000000000DC5000-memory.dmp
      Filesize

      5.3MB

    • memory/2016-39-0x0000000000870000-0x0000000000DC5000-memory.dmp
      Filesize

      5.3MB

    • memory/2016-41-0x0000000000870000-0x0000000000DC5000-memory.dmp
      Filesize

      5.3MB

    • memory/2016-35-0x0000000000870000-0x0000000000DC5000-memory.dmp
      Filesize

      5.3MB

    • memory/2016-45-0x0000000000870000-0x0000000000DC5000-memory.dmp
      Filesize

      5.3MB

    • memory/2016-42-0x0000000000870000-0x0000000000DC5000-memory.dmp
      Filesize

      5.3MB

    • memory/2832-6-0x0000000000630000-0x0000000000B85000-memory.dmp
      Filesize

      5.3MB

    • memory/2832-21-0x0000000000630000-0x0000000000B85000-memory.dmp
      Filesize

      5.3MB

    • memory/2832-0-0x0000000000630000-0x0000000000B85000-memory.dmp
      Filesize

      5.3MB

    • memory/2832-3-0x0000000000630000-0x0000000000B85000-memory.dmp
      Filesize

      5.3MB

    • memory/2832-5-0x0000000000630000-0x0000000000B85000-memory.dmp
      Filesize

      5.3MB

    • memory/2832-7-0x0000000000630000-0x0000000000B85000-memory.dmp
      Filesize

      5.3MB

    • memory/2832-8-0x0000000000630000-0x0000000000B85000-memory.dmp
      Filesize

      5.3MB

    • memory/2832-4-0x0000000000630000-0x0000000000B85000-memory.dmp
      Filesize

      5.3MB

    • memory/2832-2-0x0000000000630000-0x0000000000B85000-memory.dmp
      Filesize

      5.3MB

    • memory/2832-1-0x0000000000630000-0x0000000000B85000-memory.dmp
      Filesize

      5.3MB

    • memory/2928-59-0x0000000000870000-0x0000000000DC5000-memory.dmp
      Filesize

      5.3MB

    • memory/2928-54-0x0000000000870000-0x0000000000DC5000-memory.dmp
      Filesize

      5.3MB

    • memory/2928-61-0x0000000000870000-0x0000000000DC5000-memory.dmp
      Filesize

      5.3MB

    • memory/2928-53-0x0000000000870000-0x0000000000DC5000-memory.dmp
      Filesize

      5.3MB

    • memory/2928-55-0x0000000000870000-0x0000000000DC5000-memory.dmp
      Filesize

      5.3MB

    • memory/2928-57-0x0000000000870000-0x0000000000DC5000-memory.dmp
      Filesize

      5.3MB

    • memory/2928-58-0x0000000000870000-0x0000000000DC5000-memory.dmp
      Filesize

      5.3MB

    • memory/2928-56-0x0000000000870000-0x0000000000DC5000-memory.dmp
      Filesize

      5.3MB

    • memory/4008-27-0x0000000000870000-0x0000000000DC5000-memory.dmp
      Filesize

      5.3MB

    • memory/4008-23-0x0000000000870000-0x0000000000DC5000-memory.dmp
      Filesize

      5.3MB

    • memory/4008-28-0x0000000000870000-0x0000000000DC5000-memory.dmp
      Filesize

      5.3MB

    • memory/4008-29-0x0000000000870000-0x0000000000DC5000-memory.dmp
      Filesize

      5.3MB

    • memory/4008-30-0x0000000000870000-0x0000000000DC5000-memory.dmp
      Filesize

      5.3MB

    • memory/4008-25-0x0000000000870000-0x0000000000DC5000-memory.dmp
      Filesize

      5.3MB

    • memory/4008-26-0x0000000000870000-0x0000000000DC5000-memory.dmp
      Filesize

      5.3MB

    • memory/4008-24-0x0000000000870000-0x0000000000DC5000-memory.dmp
      Filesize

      5.3MB

    • memory/4008-31-0x0000000000870000-0x0000000000DC5000-memory.dmp
      Filesize

      5.3MB

    • memory/4008-22-0x0000000000870000-0x0000000000DC5000-memory.dmp
      Filesize

      5.3MB