General

  • Target

    febbb41378c5839064c6449c9b827d5f86cd5d3d162798e30a365c50f217a1fd

  • Size

    3.1MB

  • Sample

    241113-ykgn4sydlp

  • MD5

    0a25084685b54b88100d89d2bf1fb4de

  • SHA1

    5a67610f98d718816fc87ddb0c07bec46e0fd272

  • SHA256

    febbb41378c5839064c6449c9b827d5f86cd5d3d162798e30a365c50f217a1fd

  • SHA512

    d9dd3e961b48ef0989d65d73b4726e15f5773d4075527a1fdc7e4a8a1bd94a0bb8317dfe039f15d0e97642e78d0388bfc19a25098d416a2e1856ce522db5a2d1

  • SSDEEP

    49152:Vy/iRjA6Y2rjUl0ly9hL/qapGabr99KnYmcdRW/So5x:Vy/Kcv2rIl0l0hkq+Y/vqx

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

      febbb41378c5839064c6449c9b827d5f86cd5d3d162798e30a365c50f217a1fd

    • Size

      3.1MB

    • MD5

      0a25084685b54b88100d89d2bf1fb4de

    • SHA1

      5a67610f98d718816fc87ddb0c07bec46e0fd272

    • SHA256

      febbb41378c5839064c6449c9b827d5f86cd5d3d162798e30a365c50f217a1fd

    • SHA512

      d9dd3e961b48ef0989d65d73b4726e15f5773d4075527a1fdc7e4a8a1bd94a0bb8317dfe039f15d0e97642e78d0388bfc19a25098d416a2e1856ce522db5a2d1

    • SSDEEP

      49152:Vy/iRjA6Y2rjUl0ly9hL/qapGabr99KnYmcdRW/So5x:Vy/Kcv2rIl0l0hkq+Y/vqx

    • 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.

    • Drops startup file

    • 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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks