General

  • Target

    4b0f1dbbf3b6e1c86adcd457de849ae63428dab2f036562b2b209098e11ff19b

  • Size

    2.2MB

  • Sample

    240629-dacxyssemq

  • MD5

    a66510c5b83999a9278a4273bf9a5897

  • SHA1

    8fef14bcf1a18069b1131b9f9117265bcaa837c2

  • SHA256

    4b0f1dbbf3b6e1c86adcd457de849ae63428dab2f036562b2b209098e11ff19b

  • SHA512

    05024b5b4b064e8588bda444af895c81e7b46ad03f81d8b3e3f9bb79da4259e98bddee2dfa880e260b143d54f2424a211983d8e47bd2d92aedae69f14f52f344

  • SSDEEP

    49152:qpjNvr9ySAOmw41HHO+SASagXkJr4MDkUwm:qpjNp7p41HH8n5A

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

      4b0f1dbbf3b6e1c86adcd457de849ae63428dab2f036562b2b209098e11ff19b

    • Size

      2.2MB

    • MD5

      a66510c5b83999a9278a4273bf9a5897

    • SHA1

      8fef14bcf1a18069b1131b9f9117265bcaa837c2

    • SHA256

      4b0f1dbbf3b6e1c86adcd457de849ae63428dab2f036562b2b209098e11ff19b

    • SHA512

      05024b5b4b064e8588bda444af895c81e7b46ad03f81d8b3e3f9bb79da4259e98bddee2dfa880e260b143d54f2424a211983d8e47bd2d92aedae69f14f52f344

    • SSDEEP

      49152:qpjNvr9ySAOmw41HHO+SASagXkJr4MDkUwm:qpjNp7p41HH8n5A

    • 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