General

  • Target

    file.exe

  • Size

    1.7MB

  • Sample

    241001-n4kvrssbnh

  • MD5

    52d694dd9ca47e7653dafb7d4e3914a4

  • SHA1

    d56885a0f102b7d9412e45cbdb72e0ba555e14bc

  • SHA256

    034aa9eb37f9417eb9b230ab580dea8477a9b2c9c5266d686fcc0ab8e0130963

  • SHA512

    0bb000df2e6899c48daefb3d3008a59ccecfb515473bc778f73f44c43b993451b0fe9ab2f4e25e53fc2824e660ef64983bffb28540a84acff1f1405f9fcf9e71

  • SSDEEP

    24576:xt5/YykdxNliRCDLYyONm2D9BvbIm1PTg80uGnrwzGdX1R7mV8pvlBPu2VKIhuMn:jNkyRyL2vxTgBR7eQlVu+lgtl/P

Malware Config

Extracted

Family

stealc

Botnet

doma

C2

http://185.215.113.37

Attributes
  • url_path

    /e2b1563c6670f193.php

Targets

    • Target

      file.exe

    • Size

      1.7MB

    • MD5

      52d694dd9ca47e7653dafb7d4e3914a4

    • SHA1

      d56885a0f102b7d9412e45cbdb72e0ba555e14bc

    • SHA256

      034aa9eb37f9417eb9b230ab580dea8477a9b2c9c5266d686fcc0ab8e0130963

    • SHA512

      0bb000df2e6899c48daefb3d3008a59ccecfb515473bc778f73f44c43b993451b0fe9ab2f4e25e53fc2824e660ef64983bffb28540a84acff1f1405f9fcf9e71

    • SSDEEP

      24576:xt5/YykdxNliRCDLYyONm2D9BvbIm1PTg80uGnrwzGdX1R7mV8pvlBPu2VKIhuMn:jNkyRyL2vxTgBR7eQlVu+lgtl/P

    • 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.

    • 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