General

  • Target

    03df2264ac3415631fb4022b3a1b4d8815df67a7f11201299885a88893994bee

  • Size

    1.7MB

  • Sample

    250123-va1sfsxmdm

  • MD5

    a2685914d4fceef590bef1e9c298bad2

  • SHA1

    2a5dc8029bb1640a18e280137afeeac7273e7fcf

  • SHA256

    03df2264ac3415631fb4022b3a1b4d8815df67a7f11201299885a88893994bee

  • SHA512

    d31002c0a68531bf75bbfaf880e218b42a10391dac31c0dc9523903e39c0fea65fe41cffd5226eb036073ac1c87e5f458384639973fb5285cf62d0be42fdf924

  • SSDEEP

    24576:QuOhajb6cyjQFYxrWz4KQhl8N6kNAD91JHqOz+rucdFL/yXfyfcB27xnBat9UEQM:rOhBt2QrWOhl84AAJLojL2fIzeiiE

Malware Config

Extracted

Family

stealc

Botnet

brat

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      03df2264ac3415631fb4022b3a1b4d8815df67a7f11201299885a88893994bee

    • Size

      1.7MB

    • MD5

      a2685914d4fceef590bef1e9c298bad2

    • SHA1

      2a5dc8029bb1640a18e280137afeeac7273e7fcf

    • SHA256

      03df2264ac3415631fb4022b3a1b4d8815df67a7f11201299885a88893994bee

    • SHA512

      d31002c0a68531bf75bbfaf880e218b42a10391dac31c0dc9523903e39c0fea65fe41cffd5226eb036073ac1c87e5f458384639973fb5285cf62d0be42fdf924

    • SSDEEP

      24576:QuOhajb6cyjQFYxrWz4KQhl8N6kNAD91JHqOz+rucdFL/yXfyfcB27xnBat9UEQM:rOhBt2QrWOhl84AAJLojL2fIzeiiE

    • 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