General

  • Target

    a85ca35022171e6c2000d696a5eae635500e1fdf329cc7a1274c88cd13a550ac

  • Size

    1.8MB

  • Sample

    240603-mevg8scd73

  • MD5

    d001d36c6c70874d5e4ab6ae12396ccf

  • SHA1

    bfd2f1332cf11a19d074d853b41522c4f8a84345

  • SHA256

    a85ca35022171e6c2000d696a5eae635500e1fdf329cc7a1274c88cd13a550ac

  • SHA512

    dd7561d52910dc42dff78048259b7952fa4447e5ce30afc8148921a8b4056beda6fe11fe4691f8ce15a986c36fdf777864d4e780470392505ff3623142ea67c7

  • SSDEEP

    24576:W7YfUB7F1931tbWYaOV+rEfv0xwT3zxNOt4XigDSCuptNEynEsqqfD:W75B7FDFtbWYa8aesY3Ot4N7G/

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

      a85ca35022171e6c2000d696a5eae635500e1fdf329cc7a1274c88cd13a550ac

    • Size

      1.8MB

    • MD5

      d001d36c6c70874d5e4ab6ae12396ccf

    • SHA1

      bfd2f1332cf11a19d074d853b41522c4f8a84345

    • SHA256

      a85ca35022171e6c2000d696a5eae635500e1fdf329cc7a1274c88cd13a550ac

    • SHA512

      dd7561d52910dc42dff78048259b7952fa4447e5ce30afc8148921a8b4056beda6fe11fe4691f8ce15a986c36fdf777864d4e780470392505ff3623142ea67c7

    • SSDEEP

      24576:W7YfUB7F1931tbWYaOV+rEfv0xwT3zxNOt4XigDSCuptNEynEsqqfD:W75B7FDFtbWYa8aesY3Ot4N7G/

    • 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