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General

  • Target

    fba17700a91321f398a2103a9ef8142c993e3bde954e22d0a2d6dcd514d1b544

  • Size

    1.8MB

  • Sample

    240604-hrpqashc59

  • MD5

    93aa88aa7f28fa3176d5d52541cb8bf3

  • SHA1

    9a2b009e15b163316c3f7805f6a365c32c0300c6

  • SHA256

    fba17700a91321f398a2103a9ef8142c993e3bde954e22d0a2d6dcd514d1b544

  • SHA512

    9dcaef47dca723ec07c8b53ac01993ca11e028b66178050dd859764710e22cfa9e369c742b870141769c0835eab14c740778cc8ccc2286393a07ca465476007d

  • SSDEEP

    49152:k75B7FDFXbXYa8aesY3Ot4N7G/IeUAtK:k75RFDZn0etD/INAt

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

      fba17700a91321f398a2103a9ef8142c993e3bde954e22d0a2d6dcd514d1b544

    • Size

      1.8MB

    • MD5

      93aa88aa7f28fa3176d5d52541cb8bf3

    • SHA1

      9a2b009e15b163316c3f7805f6a365c32c0300c6

    • SHA256

      fba17700a91321f398a2103a9ef8142c993e3bde954e22d0a2d6dcd514d1b544

    • SHA512

      9dcaef47dca723ec07c8b53ac01993ca11e028b66178050dd859764710e22cfa9e369c742b870141769c0835eab14c740778cc8ccc2286393a07ca465476007d

    • SSDEEP

      49152:k75B7FDFXbXYa8aesY3Ot4N7G/IeUAtK:k75RFDZn0etD/INAt

    • 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