General

  • Target

    e1551f5a66e2897f127feed54b99a7cbfd95469e51d7c42e54f8d9e07ff4c97b

  • Size

    1.8MB

  • Sample

    250125-11774s1rgx

  • MD5

    5d9f8774380f3689ca56d2361894646e

  • SHA1

    e787316646aec34d4cecc2d3d1e2f8d86b0e492e

  • SHA256

    e1551f5a66e2897f127feed54b99a7cbfd95469e51d7c42e54f8d9e07ff4c97b

  • SHA512

    923941469d9e7a2b8471dc4a55f0e27d45ceefa94854ddd3c88dbb210ecfbafca82985c7c0a0f2ac4dd8923d5ca1e6b2a2f7757ee135ab4629ecab931a7b7d37

  • SSDEEP

    49152:l+gEL86bdr4b+UegkQ0jV4+ALujQXfPNk9FB5VPw:l+L8qZ4b+UiQ0B4bLukXfPMB3

Malware Config

Extracted

Family

stealc

Botnet

brat

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      e1551f5a66e2897f127feed54b99a7cbfd95469e51d7c42e54f8d9e07ff4c97b

    • Size

      1.8MB

    • MD5

      5d9f8774380f3689ca56d2361894646e

    • SHA1

      e787316646aec34d4cecc2d3d1e2f8d86b0e492e

    • SHA256

      e1551f5a66e2897f127feed54b99a7cbfd95469e51d7c42e54f8d9e07ff4c97b

    • SHA512

      923941469d9e7a2b8471dc4a55f0e27d45ceefa94854ddd3c88dbb210ecfbafca82985c7c0a0f2ac4dd8923d5ca1e6b2a2f7757ee135ab4629ecab931a7b7d37

    • SSDEEP

      49152:l+gEL86bdr4b+UegkQ0jV4+ALujQXfPNk9FB5VPw:l+L8qZ4b+UiQ0B4bLukXfPMB3

    • 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