General

  • Target

    ec86bd905bd5524841fccc2c895e99d587ddeeced4ffa439d962e05e77c02e2b.exe

  • Size

    908KB

  • Sample

    240709-cwgmlatfpc

  • MD5

    bf74f5b3149cb45d8a0efdfeaca50c98

  • SHA1

    0bfe3661e7821586fbe8e569ffc48fa1a71d995d

  • SHA256

    ec86bd905bd5524841fccc2c895e99d587ddeeced4ffa439d962e05e77c02e2b

  • SHA512

    7ed7068b0816c547f45acf634f77377703d16ce183f488579e55a4d070d6d00bd0b337d12fc92457ba58fd66a2bfa744ad7e43af77e03361654746a979c1c31a

  • SSDEEP

    24576:Am9C2jncX0aBNt11yY65swIcU5KDoM1m96siDDyQQNDZ:oWOD18Y6WwIN5YI6xDyJDZ

Malware Config

Extracted

Family

vidar

C2

https://t.me/bu77un

https://steamcommunity.com/profiles/76561199730044335

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.1) Gecko/20100101 Firefox/128.1

Targets

    • Target

      ec86bd905bd5524841fccc2c895e99d587ddeeced4ffa439d962e05e77c02e2b.exe

    • Size

      908KB

    • MD5

      bf74f5b3149cb45d8a0efdfeaca50c98

    • SHA1

      0bfe3661e7821586fbe8e569ffc48fa1a71d995d

    • SHA256

      ec86bd905bd5524841fccc2c895e99d587ddeeced4ffa439d962e05e77c02e2b

    • SHA512

      7ed7068b0816c547f45acf634f77377703d16ce183f488579e55a4d070d6d00bd0b337d12fc92457ba58fd66a2bfa744ad7e43af77e03361654746a979c1c31a

    • SSDEEP

      24576:Am9C2jncX0aBNt11yY65swIcU5KDoM1m96siDDyQQNDZ:oWOD18Y6WwIN5YI6xDyJDZ

    • Detect Vidar Stealer

    • Stealc

      Stealc is an infostealer written in C++.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • 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.

    • Drops startup file

    • 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.

    • 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.

MITRE ATT&CK Enterprise v15

Tasks