General

  • Target

    2b228b30b511f9412678cf6fe414ec1d3ef28cf8ff0dcd669944c34f8a91c072

  • Size

    2.5MB

  • Sample

    240607-rx47lshg2y

  • MD5

    9dd111fc7cba509794df14784eb6c248

  • SHA1

    18a0f450b9d2cd38928132104afa86f832f5e845

  • SHA256

    2b228b30b511f9412678cf6fe414ec1d3ef28cf8ff0dcd669944c34f8a91c072

  • SHA512

    cdf846cadfc0732492c1b2fba47f401f487b88cde7d6ac65683e5f1a3f47a7d5eee111156af63c012bbc8c570f0dfe75c8dcc9b19f7ff401a47a87ec47123ed8

  • SSDEEP

    49152:Zcm4081qpZBUbHEmJBsEAQACR07Q3byRD8aXY658:ZcmmqvBUbHtbfAw07QLyLn

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

      2b228b30b511f9412678cf6fe414ec1d3ef28cf8ff0dcd669944c34f8a91c072

    • Size

      2.5MB

    • MD5

      9dd111fc7cba509794df14784eb6c248

    • SHA1

      18a0f450b9d2cd38928132104afa86f832f5e845

    • SHA256

      2b228b30b511f9412678cf6fe414ec1d3ef28cf8ff0dcd669944c34f8a91c072

    • SHA512

      cdf846cadfc0732492c1b2fba47f401f487b88cde7d6ac65683e5f1a3f47a7d5eee111156af63c012bbc8c570f0dfe75c8dcc9b19f7ff401a47a87ec47123ed8

    • SSDEEP

      49152:Zcm4081qpZBUbHEmJBsEAQACR07Q3byRD8aXY658:ZcmmqvBUbHtbfAw07QLyLn

    • 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