General

  • Target

    d47971b71c0aa4d239bbf7eb29bd61ba620f84c72b23fccef4ec31630a52b9b6

  • Size

    1.8MB

  • Sample

    240605-grqf6aga3x

  • MD5

    a7a72ecc7461fa284096349a49097573

  • SHA1

    d05e53cca43abc58981606bb234a31e5da02edc6

  • SHA256

    d47971b71c0aa4d239bbf7eb29bd61ba620f84c72b23fccef4ec31630a52b9b6

  • SHA512

    4aae76202da1e8af52bf1eeef72e68f59b9ddedcb61b17852eb72cda23985e65141e4e00d61bd3de388300a40b53cebd342af990739c6c281ddc05da766e283c

  • SSDEEP

    24576:l6z6AnPq5iak02HkQYaOV+rEfv0xwT3zxNOt4XigDSCuptNIeUaKUqm1zE:wer5l4kQYa8aesY3Ot4N7G/IeUAtK

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

      d47971b71c0aa4d239bbf7eb29bd61ba620f84c72b23fccef4ec31630a52b9b6

    • Size

      1.8MB

    • MD5

      a7a72ecc7461fa284096349a49097573

    • SHA1

      d05e53cca43abc58981606bb234a31e5da02edc6

    • SHA256

      d47971b71c0aa4d239bbf7eb29bd61ba620f84c72b23fccef4ec31630a52b9b6

    • SHA512

      4aae76202da1e8af52bf1eeef72e68f59b9ddedcb61b17852eb72cda23985e65141e4e00d61bd3de388300a40b53cebd342af990739c6c281ddc05da766e283c

    • SSDEEP

      24576:l6z6AnPq5iak02HkQYaOV+rEfv0xwT3zxNOt4XigDSCuptNIeUaKUqm1zE:wer5l4kQYa8aesY3Ot4N7G/IeUAtK

    • 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