General

  • Target

    56a1e0a1ff3fdf6596e30103e4fc300fd69400ca3b6c2c5009d7dcb6fae11f7a

  • Size

    1.8MB

  • Sample

    240604-b5p5naha4v

  • MD5

    9610714d79fda0230ea18c0ebcaceece

  • SHA1

    ea948bb1b29f023907d32f485de82f6f6983e816

  • SHA256

    56a1e0a1ff3fdf6596e30103e4fc300fd69400ca3b6c2c5009d7dcb6fae11f7a

  • SHA512

    9235e0d230eeacb677fa48760766c9298e6d27f00d4aca93d90436b6cfbb7bcad105ecfe95e372da611fbdc8bfe125354fbb591960da937edbf21a36c8ba6c27

  • SSDEEP

    24576:W7YfUB7F1931tbbYaOV+rEfv0xwT3zxNOt4XigDSCuptNEynEsqqfD:W75B7FDFtbbYa8aesY3Ot4N7G/

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

      56a1e0a1ff3fdf6596e30103e4fc300fd69400ca3b6c2c5009d7dcb6fae11f7a

    • Size

      1.8MB

    • MD5

      9610714d79fda0230ea18c0ebcaceece

    • SHA1

      ea948bb1b29f023907d32f485de82f6f6983e816

    • SHA256

      56a1e0a1ff3fdf6596e30103e4fc300fd69400ca3b6c2c5009d7dcb6fae11f7a

    • SHA512

      9235e0d230eeacb677fa48760766c9298e6d27f00d4aca93d90436b6cfbb7bcad105ecfe95e372da611fbdc8bfe125354fbb591960da937edbf21a36c8ba6c27

    • SSDEEP

      24576:W7YfUB7F1931tbbYaOV+rEfv0xwT3zxNOt4XigDSCuptNEynEsqqfD:W75B7FDFtbbYa8aesY3Ot4N7G/

    • 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