General

  • Target

    495523cd7b27c3be087a5c0e77aafaf0aca33bd54ec5168d0ebb341fa9b25f89

  • Size

    1.7MB

  • Sample

    250125-fyjfraxncx

  • MD5

    bf8c133b81c52a501d6e0add51f14791

  • SHA1

    b1446a5b9e7532a5029bfa5fc342f29e1823ab35

  • SHA256

    495523cd7b27c3be087a5c0e77aafaf0aca33bd54ec5168d0ebb341fa9b25f89

  • SHA512

    23077fcb800fa53d1272308e3215c3371cb618048e4425d53ee35cbee580d2bb2f2e380ff4139ec1fdbfc3895a5314c7dbf2723821abb8909617bfa305043837

  • SSDEEP

    49152:zr3w/hRjankGerqGU7onLgjarilEx1lheD6j4:zEhlIRes7Mri+DlID68

Malware Config

Extracted

Family

stealc

Botnet

brat

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      495523cd7b27c3be087a5c0e77aafaf0aca33bd54ec5168d0ebb341fa9b25f89

    • Size

      1.7MB

    • MD5

      bf8c133b81c52a501d6e0add51f14791

    • SHA1

      b1446a5b9e7532a5029bfa5fc342f29e1823ab35

    • SHA256

      495523cd7b27c3be087a5c0e77aafaf0aca33bd54ec5168d0ebb341fa9b25f89

    • SHA512

      23077fcb800fa53d1272308e3215c3371cb618048e4425d53ee35cbee580d2bb2f2e380ff4139ec1fdbfc3895a5314c7dbf2723821abb8909617bfa305043837

    • SSDEEP

      49152:zr3w/hRjankGerqGU7onLgjarilEx1lheD6j4:zEhlIRes7Mri+DlID68

    • 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