General

  • Target

    84db5b4abf8d9cc8159a751668dc6c5be7ee4143811e38599d5b134120ceca7d

  • Size

    2.2MB

  • Sample

    240629-sac1aasgkl

  • MD5

    31601187913523dab00c441ef08e4f7e

  • SHA1

    cfe2cdff5d26922291a0bc1bbcd0c39a7a15b2d0

  • SHA256

    84db5b4abf8d9cc8159a751668dc6c5be7ee4143811e38599d5b134120ceca7d

  • SHA512

    41e9ef176080f8c25a3dc75bcf7ad88bb83fbcd5e0ccf47ee89e1c019d96ed5c6eb4222dd4f69dbc762187336fb4d0d444a3965f32046d7207760243e0e21fae

  • SSDEEP

    49152:qpjNvr9ySAOmw45HHO+SASagXkJr4MDkUwm:qpjNp7p45HH8n5A

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

      84db5b4abf8d9cc8159a751668dc6c5be7ee4143811e38599d5b134120ceca7d

    • Size

      2.2MB

    • MD5

      31601187913523dab00c441ef08e4f7e

    • SHA1

      cfe2cdff5d26922291a0bc1bbcd0c39a7a15b2d0

    • SHA256

      84db5b4abf8d9cc8159a751668dc6c5be7ee4143811e38599d5b134120ceca7d

    • SHA512

      41e9ef176080f8c25a3dc75bcf7ad88bb83fbcd5e0ccf47ee89e1c019d96ed5c6eb4222dd4f69dbc762187336fb4d0d444a3965f32046d7207760243e0e21fae

    • SSDEEP

      49152:qpjNvr9ySAOmw45HHO+SASagXkJr4MDkUwm:qpjNp7p45HH8n5A

    • 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

    • 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.

    • 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