Analysis

  • max time kernel
    143s
  • max time network
    114s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240508-en
  • resource tags

    arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    19-05-2024 16:05

General

  • Target

    5b750c122fd06716c3fb12b4b94e5e6bd0499a900ea8aac68ae2aa0ddce50a7d.exe

  • Size

    1.7MB

  • MD5

    7effb02684f927f2ae5eff5890303863

  • SHA1

    7bc34e649ca7c1247fec7e101ff72587f491721f

  • SHA256

    5b750c122fd06716c3fb12b4b94e5e6bd0499a900ea8aac68ae2aa0ddce50a7d

  • SHA512

    bbc93f2b32031a0ad3234ab29be6b8c09b0ae8e12f54ed375055b703d88651d3aa289bca8bfccc72fab18c73bd0b9a75cde298290acc088ae34892e721b2d71e

  • SSDEEP

    49152:79vyruFWJpjBe5E+cADWEcgkESP97UQfAQrn24:7gd/UE+cADhSHpx

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 44 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 WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5b750c122fd06716c3fb12b4b94e5e6bd0499a900ea8aac68ae2aa0ddce50a7d.exe
    "C:\Users\Admin\AppData\Local\Temp\5b750c122fd06716c3fb12b4b94e5e6bd0499a900ea8aac68ae2aa0ddce50a7d.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 WriteProcessMemory
    PID:4980
    • 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:3940
  • 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:2088
  • 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:1776
  • 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:4472

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

    7effb02684f927f2ae5eff5890303863

    SHA1

    7bc34e649ca7c1247fec7e101ff72587f491721f

    SHA256

    5b750c122fd06716c3fb12b4b94e5e6bd0499a900ea8aac68ae2aa0ddce50a7d

    SHA512

    bbc93f2b32031a0ad3234ab29be6b8c09b0ae8e12f54ed375055b703d88651d3aa289bca8bfccc72fab18c73bd0b9a75cde298290acc088ae34892e721b2d71e

  • memory/1776-48-0x0000000000670000-0x0000000000BB5000-memory.dmp

    Filesize

    5.3MB

  • memory/1776-53-0x0000000000670000-0x0000000000BB5000-memory.dmp

    Filesize

    5.3MB

  • memory/1776-46-0x0000000000670000-0x0000000000BB5000-memory.dmp

    Filesize

    5.3MB

  • memory/1776-47-0x0000000000670000-0x0000000000BB5000-memory.dmp

    Filesize

    5.3MB

  • memory/1776-49-0x0000000000670000-0x0000000000BB5000-memory.dmp

    Filesize

    5.3MB

  • memory/1776-51-0x0000000000670000-0x0000000000BB5000-memory.dmp

    Filesize

    5.3MB

  • memory/1776-52-0x0000000000670000-0x0000000000BB5000-memory.dmp

    Filesize

    5.3MB

  • memory/1776-50-0x0000000000670000-0x0000000000BB5000-memory.dmp

    Filesize

    5.3MB

  • memory/2088-34-0x0000000000670000-0x0000000000BB5000-memory.dmp

    Filesize

    5.3MB

  • memory/2088-38-0x0000000000670000-0x0000000000BB5000-memory.dmp

    Filesize

    5.3MB

  • memory/2088-30-0x0000000000670000-0x0000000000BB5000-memory.dmp

    Filesize

    5.3MB

  • memory/2088-31-0x0000000000670000-0x0000000000BB5000-memory.dmp

    Filesize

    5.3MB

  • memory/2088-33-0x0000000000670000-0x0000000000BB5000-memory.dmp

    Filesize

    5.3MB

  • memory/2088-35-0x0000000000670000-0x0000000000BB5000-memory.dmp

    Filesize

    5.3MB

  • memory/2088-37-0x0000000000670000-0x0000000000BB5000-memory.dmp

    Filesize

    5.3MB

  • memory/2088-36-0x0000000000670000-0x0000000000BB5000-memory.dmp

    Filesize

    5.3MB

  • memory/2088-32-0x0000000000670000-0x0000000000BB5000-memory.dmp

    Filesize

    5.3MB

  • memory/3940-39-0x0000000000670000-0x0000000000BB5000-memory.dmp

    Filesize

    5.3MB

  • memory/3940-22-0x0000000000670000-0x0000000000BB5000-memory.dmp

    Filesize

    5.3MB

  • memory/3940-24-0x0000000000670000-0x0000000000BB5000-memory.dmp

    Filesize

    5.3MB

  • memory/3940-25-0x0000000000670000-0x0000000000BB5000-memory.dmp

    Filesize

    5.3MB

  • memory/3940-23-0x0000000000670000-0x0000000000BB5000-memory.dmp

    Filesize

    5.3MB

  • memory/3940-27-0x0000000000670000-0x0000000000BB5000-memory.dmp

    Filesize

    5.3MB

  • memory/3940-28-0x0000000000670000-0x0000000000BB5000-memory.dmp

    Filesize

    5.3MB

  • memory/3940-26-0x0000000000670000-0x0000000000BB5000-memory.dmp

    Filesize

    5.3MB

  • memory/3940-21-0x0000000000670000-0x0000000000BB5000-memory.dmp

    Filesize

    5.3MB

  • memory/4472-62-0x0000000000670000-0x0000000000BB5000-memory.dmp

    Filesize

    5.3MB

  • memory/4472-65-0x0000000000670000-0x0000000000BB5000-memory.dmp

    Filesize

    5.3MB

  • memory/4472-69-0x0000000000670000-0x0000000000BB5000-memory.dmp

    Filesize

    5.3MB

  • memory/4472-61-0x0000000000670000-0x0000000000BB5000-memory.dmp

    Filesize

    5.3MB

  • memory/4472-63-0x0000000000670000-0x0000000000BB5000-memory.dmp

    Filesize

    5.3MB

  • memory/4472-64-0x0000000000670000-0x0000000000BB5000-memory.dmp

    Filesize

    5.3MB

  • memory/4472-66-0x0000000000670000-0x0000000000BB5000-memory.dmp

    Filesize

    5.3MB

  • memory/4472-67-0x0000000000670000-0x0000000000BB5000-memory.dmp

    Filesize

    5.3MB

  • memory/4980-7-0x0000000000E40000-0x0000000001385000-memory.dmp

    Filesize

    5.3MB

  • memory/4980-1-0x0000000000E40000-0x0000000001385000-memory.dmp

    Filesize

    5.3MB

  • memory/4980-0-0x0000000000E40000-0x0000000001385000-memory.dmp

    Filesize

    5.3MB

  • memory/4980-3-0x0000000000E40000-0x0000000001385000-memory.dmp

    Filesize

    5.3MB

  • memory/4980-5-0x0000000000E40000-0x0000000001385000-memory.dmp

    Filesize

    5.3MB

  • memory/4980-19-0x0000000000E40000-0x0000000001385000-memory.dmp

    Filesize

    5.3MB

  • memory/4980-6-0x0000000000E40000-0x0000000001385000-memory.dmp

    Filesize

    5.3MB

  • memory/4980-4-0x0000000000E40000-0x0000000001385000-memory.dmp

    Filesize

    5.3MB

  • memory/4980-2-0x0000000000E40000-0x0000000001385000-memory.dmp

    Filesize

    5.3MB