General

  • Target

    3c271702f5eebc60e590f6803d8d2238.bin

  • Size

    1.8MB

  • Sample

    241121-bldbrasjdp

  • MD5

    d19d565a545874d7ba20cd8408616e9b

  • SHA1

    daafe47903827e22257ebf0303acae8084a7f6bd

  • SHA256

    812840a55e36484b542aee232d1c7675f83fa2eb9e2d6245f7c0534f3c1ad294

  • SHA512

    165d359d9af83b81846c6c3c8aa822c907209e3af855b84ae12e954102943604663489d50446c82e2b0571cb8f4942ddceaeb808d1ab0cea4537121ef96471f4

  • SSDEEP

    49152:01u2EXE4izT/kK+30rTDA9pD6eT0kAY/Caylv:05d4EsK+krouIvqV

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

Extracted

Family

stealc

Botnet

mars

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      ea5afba952c7c52e7ff10d775ceca244907b4699642dde81d0dca9d6814ce3d9.exe

    • Size

      1.8MB

    • MD5

      3c271702f5eebc60e590f6803d8d2238

    • SHA1

      488b5450a017ab4f78d50a1c5adb1c5b54643458

    • SHA256

      ea5afba952c7c52e7ff10d775ceca244907b4699642dde81d0dca9d6814ce3d9

    • SHA512

      de4dff6c44ebee7a5b3bc8060a39167343cc9e5fb7d6555ff72289c6ca7c9daf25bd8e19378430509329d20035f01f9d0d9a14b22e7d756621393b53233da935

    • SSDEEP

      49152:kCSkkgCY8/d3hr9tWCT17LMUVgXHqUlOosPSYxtT972HXrKpaV4nEaEb:kmeY89DzGaUDsPZf97EXrR4EaE

    • 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

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Smokeloader family

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • 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.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Enumerates processes with tasklist

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks