General

  • Target

    36f667d1b42463f577d2d3395c8bfd2211030bc23ad03a22d7c4be28b459cb29

  • Size

    2.7MB

  • Sample

    240919-2gstravalf

  • MD5

    190aa60026ee2bd302c230d7354c2a32

  • SHA1

    4ef025904a3622c6c6482f9e0920881e081d362e

  • SHA256

    36f667d1b42463f577d2d3395c8bfd2211030bc23ad03a22d7c4be28b459cb29

  • SHA512

    8f619a0ca0b7f8cbff87d7825c57de64b23698616d31f5af54fc6d24895a8ce798390f326cf81d24d014b4e003424978fe436532b212ad429d3498f4ad3b419e

  • SSDEEP

    49152:/VSfpUY7W9y+ike76tu9XyKnDjCoHKajq6FcT2d4H89rf:dSfpUcW9y+ike76QvdKU2I4H89rf

Malware Config

Extracted

Family

stealc

Botnet

rave

C2

http://185.215.113.103

Attributes
  • url_path

    /e2b1563c6670f193.php

Targets

    • Target

      36f667d1b42463f577d2d3395c8bfd2211030bc23ad03a22d7c4be28b459cb29

    • Size

      2.7MB

    • MD5

      190aa60026ee2bd302c230d7354c2a32

    • SHA1

      4ef025904a3622c6c6482f9e0920881e081d362e

    • SHA256

      36f667d1b42463f577d2d3395c8bfd2211030bc23ad03a22d7c4be28b459cb29

    • SHA512

      8f619a0ca0b7f8cbff87d7825c57de64b23698616d31f5af54fc6d24895a8ce798390f326cf81d24d014b4e003424978fe436532b212ad429d3498f4ad3b419e

    • SSDEEP

      49152:/VSfpUY7W9y+ike76tu9XyKnDjCoHKajq6FcT2d4H89rf:dSfpUcW9y+ike76QvdKU2I4H89rf

    • 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