General

  • Target

    file.exe

  • Size

    2.7MB

  • Sample

    240919-3kelzaxapd

  • MD5

    35afc6718185064633e38e4c12010521

  • SHA1

    72436ded6e73427bd93c1e45c8896f2327d75731

  • SHA256

    400b3d8c0468f93c12fc32a9bcb323ab401c8da872755fa176fa1063798a5efe

  • SHA512

    458d1600bcea16b29f8312b8b5e9ff3e48dd93643cb6bab86dba59beb999cec147df8c4f025d659d00117755c6849e05b29415a4c6304d890aed3676ff0c7350

  • SSDEEP

    49152:OSkYuQ6RFlPwHHjIUauxD26xnsF51dTLPQdyR:OP1Q6RvoHHj/auxlGX1dkdm

Malware Config

Extracted

Family

stealc

Botnet

rave

C2

http://185.215.113.103

Attributes
  • url_path

    /e2b1563c6670f193.php

Targets

    • Target

      file.exe

    • Size

      2.7MB

    • MD5

      35afc6718185064633e38e4c12010521

    • SHA1

      72436ded6e73427bd93c1e45c8896f2327d75731

    • SHA256

      400b3d8c0468f93c12fc32a9bcb323ab401c8da872755fa176fa1063798a5efe

    • SHA512

      458d1600bcea16b29f8312b8b5e9ff3e48dd93643cb6bab86dba59beb999cec147df8c4f025d659d00117755c6849e05b29415a4c6304d890aed3676ff0c7350

    • SSDEEP

      49152:OSkYuQ6RFlPwHHjIUauxD26xnsF51dTLPQdyR:OP1Q6RvoHHj/auxlGX1dkdm

    • 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