General

  • Target

    df890974fb03d1c0f439699ae2155fcfbeb6d7041bcdfaada6af1c5f4ace3566

  • Size

    1.8MB

  • Sample

    240705-rgl14azcrp

  • MD5

    5c5e6537629a11d9f3e99b5bde7b7654

  • SHA1

    74c62c189ef7051e352f642435f5939f1afe8572

  • SHA256

    df890974fb03d1c0f439699ae2155fcfbeb6d7041bcdfaada6af1c5f4ace3566

  • SHA512

    65cf1563e732e668a6363a6b8f7e23c5549dbb9f8721d503684663f10c9669fc6625efc533106b5e6263b2155fb660eaaea3e321050d097febe255b3993c9873

  • SSDEEP

    49152:cYa7n2jOMicYS9NG83RCa/qWv6yJunSpvFv:rjVYSaMP/qWvxJQi

Malware Config

Extracted

Family

amadey

Version

4.30

Botnet

4dd39d

C2

http://77.91.77.82

Attributes
  • install_dir

    ad40971b6b

  • install_file

    explorti.exe

  • strings_key

    a434973ad22def7137dbb5e059b7081e

  • url_paths

    /Hun4Ko/index.php

rc4.plain

Extracted

Family

stealc

Botnet

Nice

C2

http://85.28.47.30

Attributes
  • url_path

    /920475a59bac849d.php

Targets

    • Target

      df890974fb03d1c0f439699ae2155fcfbeb6d7041bcdfaada6af1c5f4ace3566

    • Size

      1.8MB

    • MD5

      5c5e6537629a11d9f3e99b5bde7b7654

    • SHA1

      74c62c189ef7051e352f642435f5939f1afe8572

    • SHA256

      df890974fb03d1c0f439699ae2155fcfbeb6d7041bcdfaada6af1c5f4ace3566

    • SHA512

      65cf1563e732e668a6363a6b8f7e23c5549dbb9f8721d503684663f10c9669fc6625efc533106b5e6263b2155fb660eaaea3e321050d097febe255b3993c9873

    • SSDEEP

      49152:cYa7n2jOMicYS9NG83RCa/qWv6yJunSpvFv:rjVYSaMP/qWvxJQi

    • Amadey

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

    • Stealc

      Stealc is an infostealer written in C++.

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

    • Downloads MZ/PE file

    • 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 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.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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