General

  • Target

    b8239284cd4f9912b1f7a000a28cb07801658479a889292cf00f9c63c30160ce

  • Size

    1.8MB

  • Sample

    240603-qqw2zsfh9s

  • MD5

    0f982748a739bad57e8af8dfe24585f4

  • SHA1

    ad7a19bcdb98c6cec49a5b7795728923dec99ee1

  • SHA256

    b8239284cd4f9912b1f7a000a28cb07801658479a889292cf00f9c63c30160ce

  • SHA512

    23055b4bd7dde51a1b882eaa3a5fd60241fe37e7e5f8955e88203be5c4fafd2b7167a23aca66e2fcb7a7dc90545b08a8ff503ad5402f785b4168ad9820cbd8f6

  • SSDEEP

    24576:W7YfUB7F1931tb0YaOV+rEfv0xwT3zxNOt4XigDSCuptNEynEsqqfD:W75B7FDFtb0Ya8aesY3Ot4N7G/

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

      b8239284cd4f9912b1f7a000a28cb07801658479a889292cf00f9c63c30160ce

    • Size

      1.8MB

    • MD5

      0f982748a739bad57e8af8dfe24585f4

    • SHA1

      ad7a19bcdb98c6cec49a5b7795728923dec99ee1

    • SHA256

      b8239284cd4f9912b1f7a000a28cb07801658479a889292cf00f9c63c30160ce

    • SHA512

      23055b4bd7dde51a1b882eaa3a5fd60241fe37e7e5f8955e88203be5c4fafd2b7167a23aca66e2fcb7a7dc90545b08a8ff503ad5402f785b4168ad9820cbd8f6

    • SSDEEP

      24576:W7YfUB7F1931tb0YaOV+rEfv0xwT3zxNOt4XigDSCuptNEynEsqqfD:W75B7FDFtb0Ya8aesY3Ot4N7G/

    • 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