General

  • Target

    6b8e7c8b88a6679973bca61dfd7d96b309b6be2ac0ed9450440810824692bbf9

  • Size

    1.8MB

  • Sample

    240603-ljhhssbe25

  • MD5

    a9c3d34b6bd4f16a0d2417b2a8e8e574

  • SHA1

    de2ac1eb9cd51f931dce9316fdeeaff17de6f9eb

  • SHA256

    6b8e7c8b88a6679973bca61dfd7d96b309b6be2ac0ed9450440810824692bbf9

  • SHA512

    2e6013b6f55825ab683c8784841258cb26f9f5458e6e796e20c5d058054554203430daf11a5bbc4045a1875825d93ee4f0d2a1278cd2799ef862de9826cbad40

  • SSDEEP

    24576:W7YfUB7F1931tbfYaOV+rEfv0xwT3zxNOt4XigDSCuptNEynEsqqfD:W75B7FDFtbfYa8aesY3Ot4N7G/

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

      6b8e7c8b88a6679973bca61dfd7d96b309b6be2ac0ed9450440810824692bbf9

    • Size

      1.8MB

    • MD5

      a9c3d34b6bd4f16a0d2417b2a8e8e574

    • SHA1

      de2ac1eb9cd51f931dce9316fdeeaff17de6f9eb

    • SHA256

      6b8e7c8b88a6679973bca61dfd7d96b309b6be2ac0ed9450440810824692bbf9

    • SHA512

      2e6013b6f55825ab683c8784841258cb26f9f5458e6e796e20c5d058054554203430daf11a5bbc4045a1875825d93ee4f0d2a1278cd2799ef862de9826cbad40

    • SSDEEP

      24576:W7YfUB7F1931tbfYaOV+rEfv0xwT3zxNOt4XigDSCuptNEynEsqqfD:W75B7FDFtbfYa8aesY3Ot4N7G/

    • 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