General

  • Target

    0bbc58a493b07441cbfd6543b8da122582279855a340bb9d8556c97ce84a4bd5

  • Size

    1.8MB

  • Sample

    240603-kpyarsaf96

  • MD5

    17615db6b1714e2b7f610189eb4a6d5d

  • SHA1

    a0de46c2a9ec12f728e0e701cc7d6a7ad9248622

  • SHA256

    0bbc58a493b07441cbfd6543b8da122582279855a340bb9d8556c97ce84a4bd5

  • SHA512

    d173cbf4284115e67433ebcb79c8c6fbfad9ff5099d60f241ecfc7bf61351bb32aa680846bbf86d76e1cc2eb0593e37c39f8d93637b62baa805929d3c8642153

  • SSDEEP

    24576:W7YfUB7F1931tbnYaOV+rEfv0xwT3zxNOt4XigDSCuptNEynEsqqfD:W75B7FDFtbnYa8aesY3Ot4N7G/

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

      0bbc58a493b07441cbfd6543b8da122582279855a340bb9d8556c97ce84a4bd5

    • Size

      1.8MB

    • MD5

      17615db6b1714e2b7f610189eb4a6d5d

    • SHA1

      a0de46c2a9ec12f728e0e701cc7d6a7ad9248622

    • SHA256

      0bbc58a493b07441cbfd6543b8da122582279855a340bb9d8556c97ce84a4bd5

    • SHA512

      d173cbf4284115e67433ebcb79c8c6fbfad9ff5099d60f241ecfc7bf61351bb32aa680846bbf86d76e1cc2eb0593e37c39f8d93637b62baa805929d3c8642153

    • SSDEEP

      24576:W7YfUB7F1931tbnYaOV+rEfv0xwT3zxNOt4XigDSCuptNEynEsqqfD:W75B7FDFtbnYa8aesY3Ot4N7G/

    • 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