General

  • Target

    1e694e61934a84a4edd125f34ee0d65801c36c3bd60038e3cd1efb2ac2eb10e4

  • Size

    2.4MB

  • Sample

    240603-frv6zace21

  • MD5

    b55300e126f8061d098b23d998356a76

  • SHA1

    7373be8556db410dad40f236966fbffc2e043498

  • SHA256

    1e694e61934a84a4edd125f34ee0d65801c36c3bd60038e3cd1efb2ac2eb10e4

  • SHA512

    1804251134744575fed63f49a3d79691087397649eadb50bf5e518ffcf4123e96516842df3c261aeec0faed984854b1cee4e6da830683205dd502ed80afb5722

  • SSDEEP

    49152:wQc81KnB/a/hNT/dFYa8aesY3Ot4N7G/:wDta/hNT/dFn0etD/

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://t.me/ta904ek

https://steamcommunity.com/profiles/76561199695752269

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0

Targets

    • Target

      1e694e61934a84a4edd125f34ee0d65801c36c3bd60038e3cd1efb2ac2eb10e4

    • Size

      2.4MB

    • MD5

      b55300e126f8061d098b23d998356a76

    • SHA1

      7373be8556db410dad40f236966fbffc2e043498

    • SHA256

      1e694e61934a84a4edd125f34ee0d65801c36c3bd60038e3cd1efb2ac2eb10e4

    • SHA512

      1804251134744575fed63f49a3d79691087397649eadb50bf5e518ffcf4123e96516842df3c261aeec0faed984854b1cee4e6da830683205dd502ed80afb5722

    • SSDEEP

      49152:wQc81KnB/a/hNT/dFYa8aesY3Ot4N7G/:wDta/hNT/dFn0etD/

    • 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

    • Loads dropped DLL

    • 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