General

  • Target

    4542ef62171f80026d14fa14d03e33b5a001895fd6033721bd07ed5cedb83979

  • Size

    2.4MB

  • Sample

    240606-3hbgjaef94

  • MD5

    8a9f44d7a5af1baf58fa889e6ef5d9ff

  • SHA1

    393bb8e8580b3c5a0ec98cd1a2976279b184b633

  • SHA256

    4542ef62171f80026d14fa14d03e33b5a001895fd6033721bd07ed5cedb83979

  • SHA512

    8f7a5fc08abbcef8617fb7d20a7628e55d379b5ec007515edd6a9ab490a564a0b09b987db682a00919f6e42f0c6ffbd9dc1bdd0066e970e57222a3c0a8939f51

  • SSDEEP

    49152:wQc81KnB/a/hNT/dRYa8aesY3Ot4N7G/:wDta/hNT/dRn0etD/

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

      4542ef62171f80026d14fa14d03e33b5a001895fd6033721bd07ed5cedb83979

    • Size

      2.4MB

    • MD5

      8a9f44d7a5af1baf58fa889e6ef5d9ff

    • SHA1

      393bb8e8580b3c5a0ec98cd1a2976279b184b633

    • SHA256

      4542ef62171f80026d14fa14d03e33b5a001895fd6033721bd07ed5cedb83979

    • SHA512

      8f7a5fc08abbcef8617fb7d20a7628e55d379b5ec007515edd6a9ab490a564a0b09b987db682a00919f6e42f0c6ffbd9dc1bdd0066e970e57222a3c0a8939f51

    • SSDEEP

      49152:wQc81KnB/a/hNT/dRYa8aesY3Ot4N7G/:wDta/hNT/dRn0etD/

    • 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