General

  • Target

    dcde2a73b6f201582bc32d96780a29ea227f488b7436754e6e709bbe755920f3

  • Size

    3.1MB

  • Sample

    241115-yvgf4a1dqp

  • MD5

    ebf55eb4c7b5fca83338793ebb9ec03a

  • SHA1

    40dc766067545343481cdf8180dbcf73b5199bdb

  • SHA256

    dcde2a73b6f201582bc32d96780a29ea227f488b7436754e6e709bbe755920f3

  • SHA512

    7284d6bec7babefd6fe5fb40f20b11576edd7e3043c4994579151a4e9bc14d9b8b232fea8731db62cacc212a0a88a55938ae0f9bc7616926946b95972ee0e871

  • SSDEEP

    49152:XYtjLv3Obz2AMgy4AGul7HdzmbfTx4feH:I/3Az2AMg1Anl7HcbfTx42

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

      dcde2a73b6f201582bc32d96780a29ea227f488b7436754e6e709bbe755920f3

    • Size

      3.1MB

    • MD5

      ebf55eb4c7b5fca83338793ebb9ec03a

    • SHA1

      40dc766067545343481cdf8180dbcf73b5199bdb

    • SHA256

      dcde2a73b6f201582bc32d96780a29ea227f488b7436754e6e709bbe755920f3

    • SHA512

      7284d6bec7babefd6fe5fb40f20b11576edd7e3043c4994579151a4e9bc14d9b8b232fea8731db62cacc212a0a88a55938ae0f9bc7616926946b95972ee0e871

    • SSDEEP

      49152:XYtjLv3Obz2AMgy4AGul7HdzmbfTx4feH:I/3Az2AMg1Anl7HcbfTx42

    • Amadey

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

    • Amadey family

    • CryptBot

      CryptBot is a C++ stealer distributed widely in bundle with other software.

    • Cryptbot family

    • Detects CryptBot payload

      CryptBot is a C++ stealer distributed widely in bundle with other software.

    • Modifies Windows Defender Real-time Protection settings

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Downloads MZ/PE file

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • 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.

    • Windows security modification

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks