General

  • Target

    95fcbefdb108b4d18062c436acdd24302da8ad64e48f1883972c892c9ac8b817

  • Size

    1.7MB

  • Sample

    250125-ynfk8azmaj

  • MD5

    f41dfd98d7f8304859ecb4feb2af914b

  • SHA1

    2e8e93a59956d0d357071328daef15b2f6685741

  • SHA256

    95fcbefdb108b4d18062c436acdd24302da8ad64e48f1883972c892c9ac8b817

  • SHA512

    f4ac099b42e5bcab7388f307b6407ee6718b749d7c62b979bd76826944f326f1d4f54f9cd8668800728791775ee75241e90b2ce461c2a4eff4494b1ad0c9c466

  • SSDEEP

    49152:8uwuNGMBcriL8fV/kzpPl5nfKhUo5Vq1I/:gMB6c8fV/kpP3fjo34

Malware Config

Extracted

Family

stealc

Botnet

brat

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      95fcbefdb108b4d18062c436acdd24302da8ad64e48f1883972c892c9ac8b817

    • Size

      1.7MB

    • MD5

      f41dfd98d7f8304859ecb4feb2af914b

    • SHA1

      2e8e93a59956d0d357071328daef15b2f6685741

    • SHA256

      95fcbefdb108b4d18062c436acdd24302da8ad64e48f1883972c892c9ac8b817

    • SHA512

      f4ac099b42e5bcab7388f307b6407ee6718b749d7c62b979bd76826944f326f1d4f54f9cd8668800728791775ee75241e90b2ce461c2a4eff4494b1ad0c9c466

    • SSDEEP

      49152:8uwuNGMBcriL8fV/kzpPl5nfKhUo5Vq1I/:gMB6c8fV/kpP3fjo34

    • 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