General

  • Target

    8439d562bd930244bdbf9a10fa1e623de3730887f1179a32494bcd3ea6300892

  • Size

    2.2MB

  • Sample

    240628-2e2zmstfmg

  • MD5

    847019c8608dd684a0617c9e5e8ed412

  • SHA1

    e8395251712e8ded0d1716c20422ce617d456d9e

  • SHA256

    8439d562bd930244bdbf9a10fa1e623de3730887f1179a32494bcd3ea6300892

  • SHA512

    e136ab289f298df4fb1a21b0479f515a75dd8b4e71ed767739dbf3723b46e5f0735a96a873b940f8488fa332c7369d0365bff40a33459a47f737c9f9e90319a4

  • SSDEEP

    49152:qpjNvr9ySAOmw4VHHO+SASagXkJr4MDkUwm:qpjNp7p4VHH8n5A

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

      8439d562bd930244bdbf9a10fa1e623de3730887f1179a32494bcd3ea6300892

    • Size

      2.2MB

    • MD5

      847019c8608dd684a0617c9e5e8ed412

    • SHA1

      e8395251712e8ded0d1716c20422ce617d456d9e

    • SHA256

      8439d562bd930244bdbf9a10fa1e623de3730887f1179a32494bcd3ea6300892

    • SHA512

      e136ab289f298df4fb1a21b0479f515a75dd8b4e71ed767739dbf3723b46e5f0735a96a873b940f8488fa332c7369d0365bff40a33459a47f737c9f9e90319a4

    • SSDEEP

      49152:qpjNvr9ySAOmw4VHHO+SASagXkJr4MDkUwm:qpjNp7p4VHH8n5A

    • 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