General

  • Target

    c953b6b60ed594defa097d5d4874d2f65991c8fe32ddff23161155dd54f99cfc

  • Size

    1.7MB

  • Sample

    250125-srvxesznfr

  • MD5

    d20b142ef07e8e4286dfb3da737eabec

  • SHA1

    786df47ad1ac3f52d30ac2575ee8758aad042903

  • SHA256

    c953b6b60ed594defa097d5d4874d2f65991c8fe32ddff23161155dd54f99cfc

  • SHA512

    0690bb7dc1fcca80508d018ab3bc3761d8ea26f050562c7bcbdbc8610966fa228c81ad3e43b1d45e69e2df97b071dd9b2498d14a920c0762c2a8478a4b8174da

  • SSDEEP

    49152:4DirbioWfOHyKNE0GRN6JCHnKBQf0lpuSRg2:4WP8mblSN6JbQf6vRg

Malware Config

Extracted

Family

stealc

Botnet

brat

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      c953b6b60ed594defa097d5d4874d2f65991c8fe32ddff23161155dd54f99cfc

    • Size

      1.7MB

    • MD5

      d20b142ef07e8e4286dfb3da737eabec

    • SHA1

      786df47ad1ac3f52d30ac2575ee8758aad042903

    • SHA256

      c953b6b60ed594defa097d5d4874d2f65991c8fe32ddff23161155dd54f99cfc

    • SHA512

      0690bb7dc1fcca80508d018ab3bc3761d8ea26f050562c7bcbdbc8610966fa228c81ad3e43b1d45e69e2df97b071dd9b2498d14a920c0762c2a8478a4b8174da

    • SSDEEP

      49152:4DirbioWfOHyKNE0GRN6JCHnKBQf0lpuSRg2:4WP8mblSN6JbQf6vRg

    • 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.

    • 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