General

  • Target

    file.exe

  • Size

    2.4MB

  • Sample

    240712-gyrb2a1gjm

  • MD5

    08c7502b3315ce651b6b57849c1d7308

  • SHA1

    25d8366a04fca7105e7c38eac267ab787456f8c3

  • SHA256

    d25e817eee335c0f2baaf75f39e40ac410fbbfb2089d20f604718ccf053e27d4

  • SHA512

    d3b352b9bcd49b4ee412fd43c5bd6be752083f4dfc20c0cf31f48003b28a9ef7171290ffbb47b8d31714afa945db78a2b4911d5963c2e63533e3bb66947bd64d

  • SSDEEP

    49152:JZtQ7s/0xcupfZA9HtWtVvFqFn3rmtJMNo:J0rfZQstaFbSQ

Malware Config

Extracted

Family

stealc

Botnet

hate

C2

http://85.28.47.30

Attributes
  • url_path

    /920475a59bac849d.php

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

Targets

    • Target

      file.exe

    • Size

      2.4MB

    • MD5

      08c7502b3315ce651b6b57849c1d7308

    • SHA1

      25d8366a04fca7105e7c38eac267ab787456f8c3

    • SHA256

      d25e817eee335c0f2baaf75f39e40ac410fbbfb2089d20f604718ccf053e27d4

    • SHA512

      d3b352b9bcd49b4ee412fd43c5bd6be752083f4dfc20c0cf31f48003b28a9ef7171290ffbb47b8d31714afa945db78a2b4911d5963c2e63533e3bb66947bd64d

    • SSDEEP

      49152:JZtQ7s/0xcupfZA9HtWtVvFqFn3rmtJMNo:J0rfZQstaFbSQ

    • 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.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks