General

  • Target

    53b51d76beb8782891e627404126b372b3f48a649521b0c1ef47ed5ad48e4037

  • Size

    2.2MB

  • Sample

    240629-3g8qmszajb

  • MD5

    227740c4a9b042666395bf8bbb8ef825

  • SHA1

    d0873271017ec0afe3dd800b040a91a10e2cab0b

  • SHA256

    53b51d76beb8782891e627404126b372b3f48a649521b0c1ef47ed5ad48e4037

  • SHA512

    a57f91788086ce99eac404ff195a0c4c3c1b9cfb3984d4a87e5088e8975f3ae69872a522d23c4661ce611f4cda99b8ca610558f5fa7212d2ff03ab09bfc0021d

  • SSDEEP

    49152:qpjNvr9ySAOmw4ZHHO+SASagXkJr4MDkUwm:qpjNp7p4ZHH8n5A

Malware Config

Extracted

Family

vidar

C2

https://t.me/g067n

https://steamcommunity.com/profiles/76561199707802586

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:129.0) Gecko/20100101 Firefox/129.0

Targets

    • Target

      53b51d76beb8782891e627404126b372b3f48a649521b0c1ef47ed5ad48e4037

    • Size

      2.2MB

    • MD5

      227740c4a9b042666395bf8bbb8ef825

    • SHA1

      d0873271017ec0afe3dd800b040a91a10e2cab0b

    • SHA256

      53b51d76beb8782891e627404126b372b3f48a649521b0c1ef47ed5ad48e4037

    • SHA512

      a57f91788086ce99eac404ff195a0c4c3c1b9cfb3984d4a87e5088e8975f3ae69872a522d23c4661ce611f4cda99b8ca610558f5fa7212d2ff03ab09bfc0021d

    • SSDEEP

      49152:qpjNvr9ySAOmw4ZHHO+SASagXkJr4MDkUwm:qpjNp7p4ZHH8n5A

    • 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