General

  • Target

    6219c6782caea3cdf344e17fbb1e79fb6930e54736368b8675d4fe9c36057dd7

  • Size

    1.8MB

  • Sample

    240603-j71yyaab98

  • MD5

    5701e83eecb38569a1f6a24c0396f726

  • SHA1

    54b1683cb0a7794d551eb0c7e5c8e5bdaed5cf1f

  • SHA256

    6219c6782caea3cdf344e17fbb1e79fb6930e54736368b8675d4fe9c36057dd7

  • SHA512

    f1df81f1c911928f83d661388f94c5d32e7236ec8570b20fd03b822fe0574ee5a443f7075c34cb916ad81eee60f452002ac5a06bd787b46a37b1275ae2308e49

  • SSDEEP

    24576:W7YfUB7F1931tbiYaOV+rEfv0xwT3zxNOt4XigDSCuptNEynEsqqfD:W75B7FDFtbiYa8aesY3Ot4N7G/

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

      6219c6782caea3cdf344e17fbb1e79fb6930e54736368b8675d4fe9c36057dd7

    • Size

      1.8MB

    • MD5

      5701e83eecb38569a1f6a24c0396f726

    • SHA1

      54b1683cb0a7794d551eb0c7e5c8e5bdaed5cf1f

    • SHA256

      6219c6782caea3cdf344e17fbb1e79fb6930e54736368b8675d4fe9c36057dd7

    • SHA512

      f1df81f1c911928f83d661388f94c5d32e7236ec8570b20fd03b822fe0574ee5a443f7075c34cb916ad81eee60f452002ac5a06bd787b46a37b1275ae2308e49

    • SSDEEP

      24576:W7YfUB7F1931tbiYaOV+rEfv0xwT3zxNOt4XigDSCuptNEynEsqqfD:W75B7FDFtbiYa8aesY3Ot4N7G/

    • 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