General

  • Target

    file.exe

  • Size

    2.8MB

  • Sample

    240920-l6sbhs1eqj

  • MD5

    59d3c029c61d7c331721331502d8dee9

  • SHA1

    b312b81ff9304f7a6f8bd5f06a4c61a2f58ef5b2

  • SHA256

    c64266d6dfa4084e229627d96fabb3da3dab219fdc3ddc349a1d68a1e610681b

  • SHA512

    be8914573e51a2ff1c4e15d517bf3be1314877c416f23bcb43b69bb6afb2876ddedb31671cdf6bdb3b09e644bc0e362c267aa9adadb9d8f72166232f379f8c71

  • SSDEEP

    49152:znkAtdeJ/vwjbGlAMKoHSJipCRQZTsW2ppP/uHB2:QAtdeJ/vwj6lfLHSJyCuMpP/4A

Malware Config

Extracted

Family

stealc

Botnet

rave

C2

http://185.215.113.103

Attributes
  • url_path

    /e2b1563c6670f193.php

Targets

    • Target

      file.exe

    • Size

      2.8MB

    • MD5

      59d3c029c61d7c331721331502d8dee9

    • SHA1

      b312b81ff9304f7a6f8bd5f06a4c61a2f58ef5b2

    • SHA256

      c64266d6dfa4084e229627d96fabb3da3dab219fdc3ddc349a1d68a1e610681b

    • SHA512

      be8914573e51a2ff1c4e15d517bf3be1314877c416f23bcb43b69bb6afb2876ddedb31671cdf6bdb3b09e644bc0e362c267aa9adadb9d8f72166232f379f8c71

    • SSDEEP

      49152:znkAtdeJ/vwjbGlAMKoHSJipCRQZTsW2ppP/uHB2:QAtdeJ/vwj6lfLHSJyCuMpP/4A

    • Stealc

      Stealc is an infostealer written in C++.

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • 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.

    • 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.

    • 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