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General

  • Target

    88b0a48e7afd6a3bb4bb6eea66519d0a5c41883a40b05fe1e91f632237545aad

  • Size

    1.8MB

  • Sample

    240604-nq3tesfc92

  • MD5

    852ff151baf7e66e6cd635a3dc31b9dc

  • SHA1

    ddfbf5be8f795acf604f67ae8671fa5b30c7278c

  • SHA256

    88b0a48e7afd6a3bb4bb6eea66519d0a5c41883a40b05fe1e91f632237545aad

  • SHA512

    9ca68fd835508cb994e78bb80176e9d67a552148872318be590f5976114c912a7a232173964346a8c98cb1062df95da3926468898f974f667c62b2dfb60a257b

  • SSDEEP

    24576:l6z6AnPq5iak02HkBYaOV+rEfv0xwT3zxNOt4XigDSCuptNIeUaKUqm1zE:wer5l4kBYa8aesY3Ot4N7G/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

      88b0a48e7afd6a3bb4bb6eea66519d0a5c41883a40b05fe1e91f632237545aad

    • Size

      1.8MB

    • MD5

      852ff151baf7e66e6cd635a3dc31b9dc

    • SHA1

      ddfbf5be8f795acf604f67ae8671fa5b30c7278c

    • SHA256

      88b0a48e7afd6a3bb4bb6eea66519d0a5c41883a40b05fe1e91f632237545aad

    • SHA512

      9ca68fd835508cb994e78bb80176e9d67a552148872318be590f5976114c912a7a232173964346a8c98cb1062df95da3926468898f974f667c62b2dfb60a257b

    • SSDEEP

      24576:l6z6AnPq5iak02HkBYaOV+rEfv0xwT3zxNOt4XigDSCuptNIeUaKUqm1zE:wer5l4kBYa8aesY3Ot4N7G/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