Analysis

  • max time kernel
    144s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-05-2024 23:21

General

  • Target

    1472c12ac3757a46bbffbe2abaedf589aeb37182c2138a6ee8e2e1fc655b63e1.exe

  • Size

    1.7MB

  • MD5

    aae4629d8437f2605900341f92491048

  • SHA1

    ea76eed227f4e97ca1e3f8504880b69b239807e5

  • SHA256

    1472c12ac3757a46bbffbe2abaedf589aeb37182c2138a6ee8e2e1fc655b63e1

  • SHA512

    3d4fa487b28282f4c7c6107cf79e2c0a5996d5ab5613f6a369a73b3a1ee053b6a20cb6a6212621e3a171786e89742e4fc61b81c2f4e81472decef7164ba4de4a

  • SSDEEP

    49152:axA8A+obluygb5OLY/vK23dMmiRybET8Ar:X8AdvIu6V3CybE4e

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 37 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\1472c12ac3757a46bbffbe2abaedf589aeb37182c2138a6ee8e2e1fc655b63e1.exe
    "C:\Users\Admin\AppData\Local\Temp\1472c12ac3757a46bbffbe2abaedf589aeb37182c2138a6ee8e2e1fc655b63e1.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:2596
    • 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:2804
  • 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:3924
  • 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:3700

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

    aae4629d8437f2605900341f92491048

    SHA1

    ea76eed227f4e97ca1e3f8504880b69b239807e5

    SHA256

    1472c12ac3757a46bbffbe2abaedf589aeb37182c2138a6ee8e2e1fc655b63e1

    SHA512

    3d4fa487b28282f4c7c6107cf79e2c0a5996d5ab5613f6a369a73b3a1ee053b6a20cb6a6212621e3a171786e89742e4fc61b81c2f4e81472decef7164ba4de4a

  • memory/2596-0-0x0000000000EA0000-0x00000000013E6000-memory.dmp

    Filesize

    5.3MB

  • memory/2596-1-0x0000000000EA0000-0x00000000013E6000-memory.dmp

    Filesize

    5.3MB

  • memory/2596-2-0x0000000000EA0000-0x00000000013E6000-memory.dmp

    Filesize

    5.3MB

  • memory/2596-5-0x0000000000EA0000-0x00000000013E6000-memory.dmp

    Filesize

    5.3MB

  • memory/2596-7-0x0000000000EA0000-0x00000000013E6000-memory.dmp

    Filesize

    5.3MB

  • memory/2596-6-0x0000000000EA0000-0x00000000013E6000-memory.dmp

    Filesize

    5.3MB

  • memory/2596-3-0x0000000000EA0000-0x00000000013E6000-memory.dmp

    Filesize

    5.3MB

  • memory/2596-4-0x0000000000EA0000-0x00000000013E6000-memory.dmp

    Filesize

    5.3MB

  • memory/2596-20-0x0000000000EA0000-0x00000000013E6000-memory.dmp

    Filesize

    5.3MB

  • memory/2804-29-0x0000000000300000-0x0000000000846000-memory.dmp

    Filesize

    5.3MB

  • memory/2804-22-0x0000000000300000-0x0000000000846000-memory.dmp

    Filesize

    5.3MB

  • memory/2804-23-0x0000000000300000-0x0000000000846000-memory.dmp

    Filesize

    5.3MB

  • memory/2804-24-0x0000000000300000-0x0000000000846000-memory.dmp

    Filesize

    5.3MB

  • memory/2804-26-0x0000000000300000-0x0000000000846000-memory.dmp

    Filesize

    5.3MB

  • memory/2804-27-0x0000000000300000-0x0000000000846000-memory.dmp

    Filesize

    5.3MB

  • memory/2804-28-0x0000000000300000-0x0000000000846000-memory.dmp

    Filesize

    5.3MB

  • memory/2804-25-0x0000000000300000-0x0000000000846000-memory.dmp

    Filesize

    5.3MB

  • memory/2804-21-0x0000000000300000-0x0000000000846000-memory.dmp

    Filesize

    5.3MB

  • memory/3700-51-0x0000000000300000-0x0000000000846000-memory.dmp

    Filesize

    5.3MB

  • memory/3700-55-0x0000000000300000-0x0000000000846000-memory.dmp

    Filesize

    5.3MB

  • memory/3700-59-0x0000000000300000-0x0000000000846000-memory.dmp

    Filesize

    5.3MB

  • memory/3700-57-0x0000000000300000-0x0000000000846000-memory.dmp

    Filesize

    5.3MB

  • memory/3700-52-0x0000000000300000-0x0000000000846000-memory.dmp

    Filesize

    5.3MB

  • memory/3700-54-0x0000000000300000-0x0000000000846000-memory.dmp

    Filesize

    5.3MB

  • memory/3700-56-0x0000000000300000-0x0000000000846000-memory.dmp

    Filesize

    5.3MB

  • memory/3700-53-0x0000000000300000-0x0000000000846000-memory.dmp

    Filesize

    5.3MB

  • memory/3700-50-0x0000000000300000-0x0000000000846000-memory.dmp

    Filesize

    5.3MB

  • memory/3924-42-0x0000000000300000-0x0000000000846000-memory.dmp

    Filesize

    5.3MB

  • memory/3924-34-0x0000000000300000-0x0000000000846000-memory.dmp

    Filesize

    5.3MB

  • memory/3924-35-0x0000000000300000-0x0000000000846000-memory.dmp

    Filesize

    5.3MB

  • memory/3924-38-0x0000000000300000-0x0000000000846000-memory.dmp

    Filesize

    5.3MB

  • memory/3924-36-0x0000000000300000-0x0000000000846000-memory.dmp

    Filesize

    5.3MB

  • memory/3924-39-0x0000000000300000-0x0000000000846000-memory.dmp

    Filesize

    5.3MB

  • memory/3924-40-0x0000000000300000-0x0000000000846000-memory.dmp

    Filesize

    5.3MB

  • memory/3924-41-0x0000000000300000-0x0000000000846000-memory.dmp

    Filesize

    5.3MB

  • memory/3924-37-0x0000000000300000-0x0000000000846000-memory.dmp

    Filesize

    5.3MB