General

  • Target

    39e5f913ceb75e552a3a442e8d7f5843af02c204ad4a57f1bde0a06f656eefcc

  • Size

    1.8MB

  • Sample

    240603-jn4wgshf88

  • MD5

    1cf6fff8d72f29ecedd3eeb03ca656d7

  • SHA1

    8c36f7ddfc0f2dede9098f13175e87d12ed175c2

  • SHA256

    39e5f913ceb75e552a3a442e8d7f5843af02c204ad4a57f1bde0a06f656eefcc

  • SHA512

    23d1f70a87997698056fff6387286b9812ba54009ebaae1660df1f4dbe47e941f7d0f045cf410257e8f79c4b143152c36d6b4ee551bffca10c5d75ae6199dcbc

  • SSDEEP

    24576:W7YfUB7F1931tb7YaOV+rEfv0xwT3zxNOt4XigDSCuptNEynEsqqfD:W75B7FDFtb7Ya8aesY3Ot4N7G/

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://t.me/ta904ek

https://steamcommunity.com/profiles/76561199695752269

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0

Targets

    • Target

      39e5f913ceb75e552a3a442e8d7f5843af02c204ad4a57f1bde0a06f656eefcc

    • Size

      1.8MB

    • MD5

      1cf6fff8d72f29ecedd3eeb03ca656d7

    • SHA1

      8c36f7ddfc0f2dede9098f13175e87d12ed175c2

    • SHA256

      39e5f913ceb75e552a3a442e8d7f5843af02c204ad4a57f1bde0a06f656eefcc

    • SHA512

      23d1f70a87997698056fff6387286b9812ba54009ebaae1660df1f4dbe47e941f7d0f045cf410257e8f79c4b143152c36d6b4ee551bffca10c5d75ae6199dcbc

    • SSDEEP

      24576:W7YfUB7F1931tb7YaOV+rEfv0xwT3zxNOt4XigDSCuptNEynEsqqfD:W75B7FDFtb7Ya8aesY3Ot4N7G/

    • Detect Vidar Stealer

    • Stealc

      Stealc is an infostealer written in C++.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks