General

  • Target

    402f181bac324729b6fdfc930ca9970f.bin

  • Size

    1.7MB

  • Sample

    241121-blsrfasjel

  • MD5

    d8d669bb81b41c2721a1b8afb0fa5fd4

  • SHA1

    698ff4bd273b7b68e210d5e8b9d77875dfd5a7b1

  • SHA256

    f8be1508b151a106dacc6b263539046dbb201059e752c2ff46f4034f3d68f95e

  • SHA512

    0edb66c92038df1cad0d124819e2a30b77fe1c9e350401c4fddb6c4826ed48d1a0f98dfd19a46845ca7fcf051dde4cd3df7199e7de304e72e69f9ab70b565f9e

  • SSDEEP

    49152:xQW4s9aPEB6JyQdWd8fuk1lTxr3QBo9eM3Gf:xQNsaEB6JyQd+KL1jdH2f

Malware Config

Extracted

Family

stealc

Botnet

mars

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      22365d3502b4eca87da0dc2cd1c74cd7a0d757b38ba1790affc6d1485a6c3c8b.exe

    • Size

      1.7MB

    • MD5

      402f181bac324729b6fdfc930ca9970f

    • SHA1

      7e4d80a8653ecf443132ae1b1ce4c1200302850b

    • SHA256

      22365d3502b4eca87da0dc2cd1c74cd7a0d757b38ba1790affc6d1485a6c3c8b

    • SHA512

      8c8fbf70df0f3de53b0b69818cc917c52c4ee15d6f4d5b7e592b8a7e891630c2155b461cb4ecd75a73cd945a473c7091f3c88f73ea094d9388093146d6f59fc6

    • SSDEEP

      49152:lXcoAuZIt1QKmQQ2KwVmeMmNdh0wN333vdx:lqOI0QQ1wked5dnD

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks