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General

  • Target

    f64acfdbcdd0e6ef867864163312cc89b6c4df3589ff333f4e901e2b01dc7de9

  • Size

    1.9MB

  • Sample

    240609-fwg5xaea7x

  • MD5

    bcd8a4fd0ca74f8502dae68152f9b99e

  • SHA1

    5974bc3e24c7745ddec186a4cc6ed356099b7f61

  • SHA256

    f64acfdbcdd0e6ef867864163312cc89b6c4df3589ff333f4e901e2b01dc7de9

  • SHA512

    4da2848eded31a0ed9f94e81b935a4abb1611bfd9dc68617562bb878e8eab36a78135f2f29b0d7530d1c5412310022d1f75189e15f6ef985f1a0281b01dd5b26

  • SSDEEP

    49152:zsC/lYEBYTsEAQACR07Q3byRD8aXY658:zsCdYEBqfAw07QLyLn

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

      f64acfdbcdd0e6ef867864163312cc89b6c4df3589ff333f4e901e2b01dc7de9

    • Size

      1.9MB

    • MD5

      bcd8a4fd0ca74f8502dae68152f9b99e

    • SHA1

      5974bc3e24c7745ddec186a4cc6ed356099b7f61

    • SHA256

      f64acfdbcdd0e6ef867864163312cc89b6c4df3589ff333f4e901e2b01dc7de9

    • SHA512

      4da2848eded31a0ed9f94e81b935a4abb1611bfd9dc68617562bb878e8eab36a78135f2f29b0d7530d1c5412310022d1f75189e15f6ef985f1a0281b01dd5b26

    • SSDEEP

      49152:zsC/lYEBYTsEAQACR07Q3byRD8aXY658:zsCdYEBqfAw07QLyLn

    • 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