General

  • Target

    4f3d62f4662ecab837feb201384f04a6a0c79a3a8a2cda97ee6bab3a58e226aa

  • Size

    3.1MB

  • Sample

    241114-khqx4szmar

  • MD5

    36186abad1b6621bfa6a2910dc005972

  • SHA1

    3ab630f001cf69137f8391ddbbec30a6211a94b0

  • SHA256

    4f3d62f4662ecab837feb201384f04a6a0c79a3a8a2cda97ee6bab3a58e226aa

  • SHA512

    9d3695f5f2314725ac237b819823b1898152b6c0611a119d583cdcff9dc808fa9ae6819b7723046be7b910142f88735921641a93042b7872b5af45784693d0d5

  • SSDEEP

    49152:HVKPATlcyJJew+a6x+ECLoJqQHoYKNTW/dTtq:HVQAJcyJJew+a6x+vsJFoYNn

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

      4f3d62f4662ecab837feb201384f04a6a0c79a3a8a2cda97ee6bab3a58e226aa

    • Size

      3.1MB

    • MD5

      36186abad1b6621bfa6a2910dc005972

    • SHA1

      3ab630f001cf69137f8391ddbbec30a6211a94b0

    • SHA256

      4f3d62f4662ecab837feb201384f04a6a0c79a3a8a2cda97ee6bab3a58e226aa

    • SHA512

      9d3695f5f2314725ac237b819823b1898152b6c0611a119d583cdcff9dc808fa9ae6819b7723046be7b910142f88735921641a93042b7872b5af45784693d0d5

    • SSDEEP

      49152:HVKPATlcyJJew+a6x+ECLoJqQHoYKNTW/dTtq:HVQAJcyJJew+a6x+vsJFoYNn

    • 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

    • 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

MITRE ATT&CK Enterprise v15

Tasks