General

  • Target

    f53fc0c4193235da888454911bac9ce15131147c7d7c8e8b8b3983d2aee3fcb2

  • Size

    1.8MB

  • Sample

    240604-h5vtgahg55

  • MD5

    4ea5d20cfc6435c8c4fd9611227562ef

  • SHA1

    2b51c5dea96dc64d445cdb3ab35930c49a9c4826

  • SHA256

    f53fc0c4193235da888454911bac9ce15131147c7d7c8e8b8b3983d2aee3fcb2

  • SHA512

    44cecfc6712f6c8190fbde10e5c1c97c28a6de9066435b0b7e03b2bcdfc5f4f36d5e4ddf408757ab0f8d6a8558167399be249658aee664065584c15acb35c153

  • SSDEEP

    49152:k75B7FDFXbFYa8aesY3Ot4N7G/IeUAtK:k75RFDfn0etD/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

      f53fc0c4193235da888454911bac9ce15131147c7d7c8e8b8b3983d2aee3fcb2

    • Size

      1.8MB

    • MD5

      4ea5d20cfc6435c8c4fd9611227562ef

    • SHA1

      2b51c5dea96dc64d445cdb3ab35930c49a9c4826

    • SHA256

      f53fc0c4193235da888454911bac9ce15131147c7d7c8e8b8b3983d2aee3fcb2

    • SHA512

      44cecfc6712f6c8190fbde10e5c1c97c28a6de9066435b0b7e03b2bcdfc5f4f36d5e4ddf408757ab0f8d6a8558167399be249658aee664065584c15acb35c153

    • SSDEEP

      49152:k75B7FDFXbFYa8aesY3Ot4N7G/IeUAtK:k75RFDfn0etD/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