General

  • Target

    file.exe

  • Size

    2.8MB

  • Sample

    240920-km5xtsybkm

  • MD5

    85711a7de03e4c220208e80b822c1568

  • SHA1

    c1a345d6f81889ab755435df0e3c8525a2b8ae95

  • SHA256

    4146988082ecba4e1a50fea36bfd87045e969d803bb08e6505e80a068d7e1b2f

  • SHA512

    f66efcc30669cf162112608736e5f9700be19d678a3194589dede619f46ed910032d793098a24bc16d89fbd8eab2e56386862d7bf7c4fc977294d6c363486097

  • SSDEEP

    49152:DS15Y41FdGgrC4koBbQEgZByMuJmkd5S2wj:DS1a41FdGsvQEanuJDS2wj

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

      85711a7de03e4c220208e80b822c1568

    • SHA1

      c1a345d6f81889ab755435df0e3c8525a2b8ae95

    • SHA256

      4146988082ecba4e1a50fea36bfd87045e969d803bb08e6505e80a068d7e1b2f

    • SHA512

      f66efcc30669cf162112608736e5f9700be19d678a3194589dede619f46ed910032d793098a24bc16d89fbd8eab2e56386862d7bf7c4fc977294d6c363486097

    • SSDEEP

      49152:DS15Y41FdGgrC4koBbQEgZByMuJmkd5S2wj:DS1a41FdGsvQEanuJDS2wj

    • 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