Analysis

  • max time kernel
    143s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    03-11-2024 03:40

General

  • Target

    b3b9fc1a54440c8a9d02971827805cb1e8fab4bcc57c7fadc85e79d5fecac83a.exe

  • Size

    1.8MB

  • MD5

    497096a8b4510366cfa685b8d47c8cfd

  • SHA1

    395a0070999a1368b4b271cc76d3247289565bb0

  • SHA256

    b3b9fc1a54440c8a9d02971827805cb1e8fab4bcc57c7fadc85e79d5fecac83a

  • SHA512

    cd1bef1bcfe86e772414eb4299e117d8eab34013507a38d9e8a22605cc426641c93a8453bc0dea1ddd1d10694f0c0dcbe23137d1d2ec0da92b61d156ea2b1bf6

  • SSDEEP

    24576:4wKNUOiF6J7EJmqbdw0DpcTVxKARJzCV5m4cuFQWjLU9pImwxckw5kq119Ak8AuW:4wKNUOiqYJ3NpcgLvfugS5H11qfU3l

Malware Config

Extracted

Family

amadey

Version

4.42

Botnet

9c9aa5

C2

http://185.215.113.43

Attributes
  • install_dir

    abc3bc1985

  • install_file

    skotes.exe

  • strings_key

    8a35cf2ea38c2817dba29a4b5b25dcf0

  • url_paths

    /Zu7JuNko/index.php

rc4.plain

Signatures

  • Amadey

    Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

  • Amadey family
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
  • Checks BIOS information in registry 2 TTPs 4 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Executes dropped EXE 1 IoCs
  • Identifies Wine through registry keys 2 TTPs 2 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Loads dropped DLL 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b3b9fc1a54440c8a9d02971827805cb1e8fab4bcc57c7fadc85e79d5fecac83a.exe
    "C:\Users\Admin\AppData\Local\Temp\b3b9fc1a54440c8a9d02971827805cb1e8fab4bcc57c7fadc85e79d5fecac83a.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:3052
    • C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
      "C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe"
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2924

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe

    Filesize

    1.8MB

    MD5

    497096a8b4510366cfa685b8d47c8cfd

    SHA1

    395a0070999a1368b4b271cc76d3247289565bb0

    SHA256

    b3b9fc1a54440c8a9d02971827805cb1e8fab4bcc57c7fadc85e79d5fecac83a

    SHA512

    cd1bef1bcfe86e772414eb4299e117d8eab34013507a38d9e8a22605cc426641c93a8453bc0dea1ddd1d10694f0c0dcbe23137d1d2ec0da92b61d156ea2b1bf6

  • memory/2924-34-0x0000000000850000-0x0000000000CF7000-memory.dmp

    Filesize

    4.7MB

  • memory/2924-33-0x0000000000850000-0x0000000000CF7000-memory.dmp

    Filesize

    4.7MB

  • memory/2924-26-0x0000000000850000-0x0000000000CF7000-memory.dmp

    Filesize

    4.7MB

  • memory/2924-40-0x0000000000850000-0x0000000000CF7000-memory.dmp

    Filesize

    4.7MB

  • memory/2924-27-0x0000000000850000-0x0000000000CF7000-memory.dmp

    Filesize

    4.7MB

  • memory/2924-20-0x0000000000850000-0x0000000000CF7000-memory.dmp

    Filesize

    4.7MB

  • memory/2924-38-0x0000000000850000-0x0000000000CF7000-memory.dmp

    Filesize

    4.7MB

  • memory/2924-37-0x0000000000850000-0x0000000000CF7000-memory.dmp

    Filesize

    4.7MB

  • memory/2924-21-0x0000000000850000-0x0000000000CF7000-memory.dmp

    Filesize

    4.7MB

  • memory/2924-22-0x0000000000850000-0x0000000000CF7000-memory.dmp

    Filesize

    4.7MB

  • memory/2924-24-0x0000000000850000-0x0000000000CF7000-memory.dmp

    Filesize

    4.7MB

  • memory/2924-25-0x0000000000850000-0x0000000000CF7000-memory.dmp

    Filesize

    4.7MB

  • memory/2924-41-0x0000000000850000-0x0000000000CF7000-memory.dmp

    Filesize

    4.7MB

  • memory/2924-39-0x0000000000850000-0x0000000000CF7000-memory.dmp

    Filesize

    4.7MB

  • memory/2924-32-0x0000000000850000-0x0000000000CF7000-memory.dmp

    Filesize

    4.7MB

  • memory/2924-29-0x0000000000850000-0x0000000000CF7000-memory.dmp

    Filesize

    4.7MB

  • memory/2924-30-0x0000000000850000-0x0000000000CF7000-memory.dmp

    Filesize

    4.7MB

  • memory/2924-31-0x0000000000850000-0x0000000000CF7000-memory.dmp

    Filesize

    4.7MB

  • memory/2924-28-0x0000000000850000-0x0000000000CF7000-memory.dmp

    Filesize

    4.7MB

  • memory/2924-36-0x0000000000850000-0x0000000000CF7000-memory.dmp

    Filesize

    4.7MB

  • memory/2924-35-0x0000000000850000-0x0000000000CF7000-memory.dmp

    Filesize

    4.7MB

  • memory/3052-0-0x0000000000850000-0x0000000000CF7000-memory.dmp

    Filesize

    4.7MB

  • memory/3052-2-0x0000000000851000-0x000000000087F000-memory.dmp

    Filesize

    184KB

  • memory/3052-17-0x0000000000850000-0x0000000000CF7000-memory.dmp

    Filesize

    4.7MB

  • memory/3052-18-0x0000000006B00000-0x0000000006FA7000-memory.dmp

    Filesize

    4.7MB

  • memory/3052-1-0x00000000770B0000-0x00000000770B2000-memory.dmp

    Filesize

    8KB

  • memory/3052-4-0x0000000000850000-0x0000000000CF7000-memory.dmp

    Filesize

    4.7MB

  • memory/3052-3-0x0000000000850000-0x0000000000CF7000-memory.dmp

    Filesize

    4.7MB