Resubmissions

22-05-2024 19:42

240522-ye3dmaea5x 10

22-05-2024 19:32

240522-x87d1adg5z 10

Analysis

  • max time kernel
    146s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 19:42

General

  • Target

    c805300b9951d5d26cf6b167cf5b5cb58d7bfc31721d62ccd9f81ba413cbbce2.exe

  • Size

    1.7MB

  • MD5

    411736c06615c0d8e04dd297af8ba3ea

  • SHA1

    b3f6bb5dd84937e81c1f11b88c9807bd0acff2e6

  • SHA256

    c805300b9951d5d26cf6b167cf5b5cb58d7bfc31721d62ccd9f81ba413cbbce2

  • SHA512

    8be401015d93bbae6cf142b0c7802b01e3988afa3013703c5e265d1664a3431358dee776b6e98f28cd06752a2c68043587b64c78e8732961602b1d6ef9f8920c

  • SSDEEP

    49152:OEyHKpZCJXK5Obh10cWYzsxLuKLJPcSIFci0nZ9cyHb:Ojsr6h/bzqL5NNivyZmSb

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\c805300b9951d5d26cf6b167cf5b5cb58d7bfc31721d62ccd9f81ba413cbbce2.exe
    "C:\Users\Admin\AppData\Local\Temp\c805300b9951d5d26cf6b167cf5b5cb58d7bfc31721d62ccd9f81ba413cbbce2.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:2732
    • 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:4632
  • 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:4432
  • 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:2512

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

    411736c06615c0d8e04dd297af8ba3ea

    SHA1

    b3f6bb5dd84937e81c1f11b88c9807bd0acff2e6

    SHA256

    c805300b9951d5d26cf6b167cf5b5cb58d7bfc31721d62ccd9f81ba413cbbce2

    SHA512

    8be401015d93bbae6cf142b0c7802b01e3988afa3013703c5e265d1664a3431358dee776b6e98f28cd06752a2c68043587b64c78e8732961602b1d6ef9f8920c

  • memory/2512-54-0x0000000000EB0000-0x00000000013F4000-memory.dmp

    Filesize

    5.3MB

  • memory/2512-56-0x0000000000EB0000-0x00000000013F4000-memory.dmp

    Filesize

    5.3MB

  • memory/2512-60-0x0000000000EB0000-0x00000000013F4000-memory.dmp

    Filesize

    5.3MB

  • memory/2512-53-0x0000000000EB0000-0x00000000013F4000-memory.dmp

    Filesize

    5.3MB

  • memory/2512-55-0x0000000000EB0000-0x00000000013F4000-memory.dmp

    Filesize

    5.3MB

  • memory/2512-51-0x0000000000EB0000-0x00000000013F4000-memory.dmp

    Filesize

    5.3MB

  • memory/2512-58-0x0000000000EB0000-0x00000000013F4000-memory.dmp

    Filesize

    5.3MB

  • memory/2512-57-0x0000000000EB0000-0x00000000013F4000-memory.dmp

    Filesize

    5.3MB

  • memory/2512-50-0x0000000000EB0000-0x00000000013F4000-memory.dmp

    Filesize

    5.3MB

  • memory/2732-4-0x0000000000F30000-0x0000000001474000-memory.dmp

    Filesize

    5.3MB

  • memory/2732-1-0x0000000000F30000-0x0000000001474000-memory.dmp

    Filesize

    5.3MB

  • memory/2732-3-0x0000000000F30000-0x0000000001474000-memory.dmp

    Filesize

    5.3MB

  • memory/2732-5-0x0000000000F30000-0x0000000001474000-memory.dmp

    Filesize

    5.3MB

  • memory/2732-2-0x0000000000F30000-0x0000000001474000-memory.dmp

    Filesize

    5.3MB

  • memory/2732-7-0x0000000000F30000-0x0000000001474000-memory.dmp

    Filesize

    5.3MB

  • memory/2732-6-0x0000000000F30000-0x0000000001474000-memory.dmp

    Filesize

    5.3MB

  • memory/2732-0-0x0000000000F30000-0x0000000001474000-memory.dmp

    Filesize

    5.3MB

  • memory/2732-20-0x0000000000F30000-0x0000000001474000-memory.dmp

    Filesize

    5.3MB

  • memory/4432-43-0x0000000000EB0000-0x00000000013F4000-memory.dmp

    Filesize

    5.3MB

  • memory/4432-38-0x0000000000EB0000-0x00000000013F4000-memory.dmp

    Filesize

    5.3MB

  • memory/4432-41-0x0000000000EB0000-0x00000000013F4000-memory.dmp

    Filesize

    5.3MB

  • memory/4432-40-0x0000000000EB0000-0x00000000013F4000-memory.dmp

    Filesize

    5.3MB

  • memory/4432-39-0x0000000000EB0000-0x00000000013F4000-memory.dmp

    Filesize

    5.3MB

  • memory/4432-37-0x0000000000EB0000-0x00000000013F4000-memory.dmp

    Filesize

    5.3MB

  • memory/4432-36-0x0000000000EB0000-0x00000000013F4000-memory.dmp

    Filesize

    5.3MB

  • memory/4432-34-0x0000000000EB0000-0x00000000013F4000-memory.dmp

    Filesize

    5.3MB

  • memory/4432-35-0x0000000000EB0000-0x00000000013F4000-memory.dmp

    Filesize

    5.3MB

  • memory/4632-29-0x0000000000EB0000-0x00000000013F4000-memory.dmp

    Filesize

    5.3MB

  • memory/4632-28-0x0000000000EB0000-0x00000000013F4000-memory.dmp

    Filesize

    5.3MB

  • memory/4632-26-0x0000000000EB0000-0x00000000013F4000-memory.dmp

    Filesize

    5.3MB

  • memory/4632-27-0x0000000000EB0000-0x00000000013F4000-memory.dmp

    Filesize

    5.3MB

  • memory/4632-25-0x0000000000EB0000-0x00000000013F4000-memory.dmp

    Filesize

    5.3MB

  • memory/4632-22-0x0000000000EB0000-0x00000000013F4000-memory.dmp

    Filesize

    5.3MB

  • memory/4632-24-0x0000000000EB0000-0x00000000013F4000-memory.dmp

    Filesize

    5.3MB

  • memory/4632-23-0x0000000000EB0000-0x00000000013F4000-memory.dmp

    Filesize

    5.3MB

  • memory/4632-21-0x0000000000EB0000-0x00000000013F4000-memory.dmp

    Filesize

    5.3MB