General

  • Target

    e3b871e31ef76c78ddac595697fa6c6a50c08922ff34474c3d59424dc6aa5b44

  • Size

    2.4MB

  • Sample

    240609-24btragg79

  • MD5

    ced85a6412ebb3be73450876217cc0e9

  • SHA1

    3021de76e3f6b8b62a9805d532fc1ff3e3716850

  • SHA256

    e3b871e31ef76c78ddac595697fa6c6a50c08922ff34474c3d59424dc6aa5b44

  • SHA512

    281c894f2c0d567874d039efe9891e408d0fe48571a58e97aa631f13c31364f45094cb93dfaa4d50eccf90223cd8e7df9eb3ef5a1b8f9be16ef313c254a3b3d6

  • SSDEEP

    49152:L78Cw52xsz+0IsEAQACR07Q3byRD8aXY658:g52xsz+0IfAw07QLyLn

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

      e3b871e31ef76c78ddac595697fa6c6a50c08922ff34474c3d59424dc6aa5b44

    • Size

      2.4MB

    • MD5

      ced85a6412ebb3be73450876217cc0e9

    • SHA1

      3021de76e3f6b8b62a9805d532fc1ff3e3716850

    • SHA256

      e3b871e31ef76c78ddac595697fa6c6a50c08922ff34474c3d59424dc6aa5b44

    • SHA512

      281c894f2c0d567874d039efe9891e408d0fe48571a58e97aa631f13c31364f45094cb93dfaa4d50eccf90223cd8e7df9eb3ef5a1b8f9be16ef313c254a3b3d6

    • SSDEEP

      49152:L78Cw52xsz+0IsEAQACR07Q3byRD8aXY658:g52xsz+0IfAw07QLyLn

    • Detect Vidar Stealer

    • Stealc

      Stealc is an infostealer written in C++.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • 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