General

  • Target
    6b65cba2774d3a4de74304dfbeec59bde59a706fbceca719d4c1c0c9c5f1c1c7
  • Size 1.6MB
  • Sample240613-285ydsvcrd
  • SHA256 6b65cba2774d3a4de74304dfbeec59bde59a706fbceca719d4c1c0c9c5f1c1c7
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • stealc

rc4.plain

Extracted

Family
  • vidar

C2
  • https://t.me/r8z0l

  • https://steamcommunity.com/profiles/76561199698764354

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0

Targets

    • Target
      6b65cba2774d3a4de74304dfbeec59bde59a706fbceca719d4c1c0c9c5f1c1c7
    • Size 1.6MB
    • SHA256 6b65cba2774d3a4de74304dfbeec59bde59a706fbceca719d4c1c0c9c5f1c1c7
    • MD5 SHA1 SHA512 SSDEEP
    • 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

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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