General

  • Target

    92c09cf7ac4f932dfb65cf96fb953308becf140004e24d025075a304dc2904db

  • Size

    1.7MB

  • Sample

    250126-ptyjjsspen

  • MD5

    9cbd1c3ae0692b24814843def70b7877

  • SHA1

    f55a1d6e3cc716f005eed66d690c904f15d07782

  • SHA256

    92c09cf7ac4f932dfb65cf96fb953308becf140004e24d025075a304dc2904db

  • SHA512

    41ade25f3c5ed42b852227cc3ee6653fda514240161f72a36756169bc9ec0507fcbe4db5d581c8eda7047b76220e9300723ab1e258cbda3c9c5738fd28ba1207

  • SSDEEP

    49152:m31SuscyJBYqsb4ncIf1VVHU/BikUWzPp4cR092:U1SuOvYqA4H1HHjyx4cR09

Malware Config

Extracted

Family

stealc

Botnet

brat

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      92c09cf7ac4f932dfb65cf96fb953308becf140004e24d025075a304dc2904db

    • Size

      1.7MB

    • MD5

      9cbd1c3ae0692b24814843def70b7877

    • SHA1

      f55a1d6e3cc716f005eed66d690c904f15d07782

    • SHA256

      92c09cf7ac4f932dfb65cf96fb953308becf140004e24d025075a304dc2904db

    • SHA512

      41ade25f3c5ed42b852227cc3ee6653fda514240161f72a36756169bc9ec0507fcbe4db5d581c8eda7047b76220e9300723ab1e258cbda3c9c5738fd28ba1207

    • SSDEEP

      49152:m31SuscyJBYqsb4ncIf1VVHU/BikUWzPp4cR092:U1SuOvYqA4H1HHjyx4cR09

    • 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