General

  • Target

    file.exe

  • Size

    3.0MB

  • Sample

    241212-vahlwasmap

  • MD5

    2afae348eca56f5a910f8e57dcf0a31f

  • SHA1

    a6ac3775a8e74dd2a3efe190af54b488803464b2

  • SHA256

    4f30e0285d3aac1a24b85e13a7067a801be9cec1aaf14671bdc96778f70d2aa9

  • SHA512

    71bfc9e452507034abf6a9c57c4c0d6d40474c2253501a971728ae29b39a5f44be6ee88df2706422d74ea3cd05ac42b8261d2c4b1b8d3af41fba2f8717538dd1

  • SSDEEP

    49152:xOx8PYLHD4HZrE7CGsP1o7nh8J6LcPsnEUFTjnTK2+vyU5/UwICjV:x7FGsPm7nh8J6Lc0EUo2eyU5/dI

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

Targets

    • Target

      file.exe

    • Size

      3.0MB

    • MD5

      2afae348eca56f5a910f8e57dcf0a31f

    • SHA1

      a6ac3775a8e74dd2a3efe190af54b488803464b2

    • SHA256

      4f30e0285d3aac1a24b85e13a7067a801be9cec1aaf14671bdc96778f70d2aa9

    • SHA512

      71bfc9e452507034abf6a9c57c4c0d6d40474c2253501a971728ae29b39a5f44be6ee88df2706422d74ea3cd05ac42b8261d2c4b1b8d3af41fba2f8717538dd1

    • SSDEEP

      49152:xOx8PYLHD4HZrE7CGsP1o7nh8J6LcPsnEUFTjnTK2+vyU5/UwICjV:x7FGsPm7nh8J6Lc0EUo2eyU5/dI

    • 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)

    • Downloads MZ/PE file

    • Checks BIOS information in registry

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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Identifies Wine through registry keys

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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks