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General

  • Target

    a35588f8c042184df0fdc15877ed5d46ea6cd151f12a42180b302d22d64d7a98

  • Size

    1.6MB

  • Sample

    240611-yp9kpazbrm

  • MD5

    af38e7be820896b52a20a22e81f6c79f

  • SHA1

    76c64234b2cb5c793922104349d011295c150678

  • SHA256

    a35588f8c042184df0fdc15877ed5d46ea6cd151f12a42180b302d22d64d7a98

  • SHA512

    c5428e6e76f94081545fef94583a0c93a5ae0db25e9c5af41d217f8efc79637dae1a477de91ee1d43db6c92f658e7a1480bcfaa1a3675bdc26698b71e3d0eb23

  • SSDEEP

    24576:spM5863IGfTAVpalBYUfMxVVtes12FxwojKr98YGeGG9i:spQLYkTYp6BYUkxVVChjHZQs

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

      a35588f8c042184df0fdc15877ed5d46ea6cd151f12a42180b302d22d64d7a98

    • Size

      1.6MB

    • MD5

      af38e7be820896b52a20a22e81f6c79f

    • SHA1

      76c64234b2cb5c793922104349d011295c150678

    • SHA256

      a35588f8c042184df0fdc15877ed5d46ea6cd151f12a42180b302d22d64d7a98

    • SHA512

      c5428e6e76f94081545fef94583a0c93a5ae0db25e9c5af41d217f8efc79637dae1a477de91ee1d43db6c92f658e7a1480bcfaa1a3675bdc26698b71e3d0eb23

    • SSDEEP

      24576:spM5863IGfTAVpalBYUfMxVVtes12FxwojKr98YGeGG9i:spQLYkTYp6BYUkxVVChjHZQs

    • 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.

    • 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