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General

  • Target

    0296bb2743c04744e89118e546463d86e967b3e3840de820cd31d3b966d45c00

  • Size

    1.9MB

  • Sample

    240606-mz3z4seb69

  • MD5

    3b37180a979c2d786ba9042c154e01a8

  • SHA1

    dc5638dc89dabd402ddf2632f28ddb15c288e3e8

  • SHA256

    0296bb2743c04744e89118e546463d86e967b3e3840de820cd31d3b966d45c00

  • SHA512

    a8bf77e9c8fd08d28dae467de70d25bee60f8f75871e22bda8f421721d19667591c992bcc420aa5bf75b158f15c835e0671a7e4eafcf02ec867123fa01cb79e3

  • SSDEEP

    24576:n/eC7bzaXi7m0oJu0LXolGLbJnR/z4+EbVbw2qug4ctOlQLernWO:nGYz0P0oMS4cdR/z4+UVi4e9Crn

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

      0296bb2743c04744e89118e546463d86e967b3e3840de820cd31d3b966d45c00

    • Size

      1.9MB

    • MD5

      3b37180a979c2d786ba9042c154e01a8

    • SHA1

      dc5638dc89dabd402ddf2632f28ddb15c288e3e8

    • SHA256

      0296bb2743c04744e89118e546463d86e967b3e3840de820cd31d3b966d45c00

    • SHA512

      a8bf77e9c8fd08d28dae467de70d25bee60f8f75871e22bda8f421721d19667591c992bcc420aa5bf75b158f15c835e0671a7e4eafcf02ec867123fa01cb79e3

    • SSDEEP

      24576:n/eC7bzaXi7m0oJu0LXolGLbJnR/z4+EbVbw2qug4ctOlQLernWO:nGYz0P0oMS4cdR/z4+UVi4e9Crn

    • 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