General

  • Target

    07861be6f9d2d32e0fd631ff6e02b25812a0c6d2799faf2ac86245ec82cb6afc

  • Size

    2.4MB

  • Sample

    240531-r6yq7abg6x

  • MD5

    73a796e1750924f46f5151e28dc28d2b

  • SHA1

    82e6150b3b195694625d9fb68221962b448bf4f2

  • SHA256

    07861be6f9d2d32e0fd631ff6e02b25812a0c6d2799faf2ac86245ec82cb6afc

  • SHA512

    3779366de879249c02f66bbf66adae130b4c63659bb07bc4796638aea1b86a5839d699a56f5e56cefbaef7844d61cc201c269a9f1fc0424647d88a68d4e6d64b

  • SSDEEP

    49152:wQc81KnB/a/hNT/dVYa8aesY3Ot4N7G/:wDta/hNT/dVn0etD/

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

      07861be6f9d2d32e0fd631ff6e02b25812a0c6d2799faf2ac86245ec82cb6afc

    • Size

      2.4MB

    • MD5

      73a796e1750924f46f5151e28dc28d2b

    • SHA1

      82e6150b3b195694625d9fb68221962b448bf4f2

    • SHA256

      07861be6f9d2d32e0fd631ff6e02b25812a0c6d2799faf2ac86245ec82cb6afc

    • SHA512

      3779366de879249c02f66bbf66adae130b4c63659bb07bc4796638aea1b86a5839d699a56f5e56cefbaef7844d61cc201c269a9f1fc0424647d88a68d4e6d64b

    • SSDEEP

      49152:wQc81KnB/a/hNT/dVYa8aesY3Ot4N7G/:wDta/hNT/dVn0etD/

    • 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