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General

  • Target

    2681daf675cddce616eda4c052b9152d539eca52d4dc53cfffdf94d621a448c4

  • Size

    1.7MB

  • Sample

    240611-dvqdsashlq

  • MD5

    0d51c0536fec2db4bc13b40fc3f7679e

  • SHA1

    6441f13a897474503ff8d20a5748b3ef926a7863

  • SHA256

    2681daf675cddce616eda4c052b9152d539eca52d4dc53cfffdf94d621a448c4

  • SHA512

    e3a9e59f0f2ebe8e2deda08060b19d083f566b21916d0fa49919f16ecfd9a6c85a00376172d84187336dd4d7545099e541ede988a17cb84bcc9a9638c54c11f7

  • SSDEEP

    24576:JoZYQkmdrf+IUfMxVVtes12FxwojKr98YGeGG9iH:JPYxdUkxVVChjHZQsH

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://t.me/r8z0l

https://steamcommunity.com/profiles/76561199698764354

Attributes
  • user_agent

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

Targets

    • Target

      2681daf675cddce616eda4c052b9152d539eca52d4dc53cfffdf94d621a448c4

    • Size

      1.7MB

    • MD5

      0d51c0536fec2db4bc13b40fc3f7679e

    • SHA1

      6441f13a897474503ff8d20a5748b3ef926a7863

    • SHA256

      2681daf675cddce616eda4c052b9152d539eca52d4dc53cfffdf94d621a448c4

    • SHA512

      e3a9e59f0f2ebe8e2deda08060b19d083f566b21916d0fa49919f16ecfd9a6c85a00376172d84187336dd4d7545099e541ede988a17cb84bcc9a9638c54c11f7

    • SSDEEP

      24576:JoZYQkmdrf+IUfMxVVtes12FxwojKr98YGeGG9iH:JPYxdUkxVVChjHZQsH

    • Detect Vidar Stealer

    • Stealc

      Stealc is an infostealer written in C++.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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