General

  • Target

    aa8fd743b218ec89cf0d2f273026dec78b9ca5e76aacc472d0f87cb48057a00a

  • Size

    3.1MB

  • Sample

    241113-z2xbkaylgs

  • MD5

    5414a4ee71faf061656cf6e5799f6814

  • SHA1

    131d118f0a2a8b8347f81dccf232c1126581a48e

  • SHA256

    aa8fd743b218ec89cf0d2f273026dec78b9ca5e76aacc472d0f87cb48057a00a

  • SHA512

    ab30851216dde32626a62ecaeaab6289d2239a4b8547726fece82c3a744e6deee7ce9886cd1cf8d03ffb95d05a02386a6ecf583099cc803a87517ed20b5d3b87

  • SSDEEP

    49152:2z+UsTxH00MQH4F6yyqG0pQKvH4uKtBbD1ajFa:2z4H5MQYF65GqKwfrbpajFa

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

      aa8fd743b218ec89cf0d2f273026dec78b9ca5e76aacc472d0f87cb48057a00a

    • Size

      3.1MB

    • MD5

      5414a4ee71faf061656cf6e5799f6814

    • SHA1

      131d118f0a2a8b8347f81dccf232c1126581a48e

    • SHA256

      aa8fd743b218ec89cf0d2f273026dec78b9ca5e76aacc472d0f87cb48057a00a

    • SHA512

      ab30851216dde32626a62ecaeaab6289d2239a4b8547726fece82c3a744e6deee7ce9886cd1cf8d03ffb95d05a02386a6ecf583099cc803a87517ed20b5d3b87

    • SSDEEP

      49152:2z+UsTxH00MQH4F6yyqG0pQKvH4uKtBbD1ajFa:2z4H5MQYF65GqKwfrbpajFa

    • 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)

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • 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 data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

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

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • 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.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks