General

  • Target

    17a483b38c9772222ee33ee38b9867e2bf6c2c0862f82a80fcc32c63692cc59f

  • Size

    1.8MB

  • Sample

    240604-t1xm2sch2t

  • MD5

    294a37ecebe793dd44c3fc6c327e06dc

  • SHA1

    956dffa16d86222c35d3810bee3e684f2b5c444f

  • SHA256

    17a483b38c9772222ee33ee38b9867e2bf6c2c0862f82a80fcc32c63692cc59f

  • SHA512

    18667b57c956b0f641a01a5e87465a46ac6fab0a0a34292777054cdc56bb6879cd0eabc54c6131cd55e03205e5303f662dfffc7fb6975e8341475611bfc3351a

  • SSDEEP

    24576:l6z6AnPq5iak02HkGYaOV+rEfv0xwT3zxNOt4XigDSCuptNIeUaKUqm1zE:wer5l4kGYa8aesY3Ot4N7G/IeUAtK

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

      17a483b38c9772222ee33ee38b9867e2bf6c2c0862f82a80fcc32c63692cc59f

    • Size

      1.8MB

    • MD5

      294a37ecebe793dd44c3fc6c327e06dc

    • SHA1

      956dffa16d86222c35d3810bee3e684f2b5c444f

    • SHA256

      17a483b38c9772222ee33ee38b9867e2bf6c2c0862f82a80fcc32c63692cc59f

    • SHA512

      18667b57c956b0f641a01a5e87465a46ac6fab0a0a34292777054cdc56bb6879cd0eabc54c6131cd55e03205e5303f662dfffc7fb6975e8341475611bfc3351a

    • SSDEEP

      24576:l6z6AnPq5iak02HkGYaOV+rEfv0xwT3zxNOt4XigDSCuptNIeUaKUqm1zE:wer5l4kGYa8aesY3Ot4N7G/IeUAtK

    • 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