General

  • Target

    b782fd61519076914e32b5557ad707760cbd92bb4951d5fc43d5ffdf03c77cac

  • Size

    1.8MB

  • Sample

    240603-k5ylgaba89

  • MD5

    f2771dd0c13c1fc101058d55c61edf22

  • SHA1

    ebdd709487999f70c2b2cc7c515ce59c286f847e

  • SHA256

    b782fd61519076914e32b5557ad707760cbd92bb4951d5fc43d5ffdf03c77cac

  • SHA512

    6e423d8a61613351ae1f886a2aa91294138777dba6374e33ec01acdf26d37e9a90e146a33412ecb50cba5a0f990c623aebd74c4be65a1b7a3f7ca77fc5eecacd

  • SSDEEP

    24576:W7YfUB7F1931tbqYaOV+rEfv0xwT3zxNOt4XigDSCuptNEynEsqqfD:W75B7FDFtbqYa8aesY3Ot4N7G/

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

      b782fd61519076914e32b5557ad707760cbd92bb4951d5fc43d5ffdf03c77cac

    • Size

      1.8MB

    • MD5

      f2771dd0c13c1fc101058d55c61edf22

    • SHA1

      ebdd709487999f70c2b2cc7c515ce59c286f847e

    • SHA256

      b782fd61519076914e32b5557ad707760cbd92bb4951d5fc43d5ffdf03c77cac

    • SHA512

      6e423d8a61613351ae1f886a2aa91294138777dba6374e33ec01acdf26d37e9a90e146a33412ecb50cba5a0f990c623aebd74c4be65a1b7a3f7ca77fc5eecacd

    • SSDEEP

      24576:W7YfUB7F1931tbqYaOV+rEfv0xwT3zxNOt4XigDSCuptNEynEsqqfD:W75B7FDFtbqYa8aesY3Ot4N7G/

    • 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