General

  • Target

    Unlock_Tool_v2.7.2.exe

  • Size

    394KB

  • Sample

    241124-1v1aba1rh1

  • MD5

    a97003b5a7144d1985df6a56703b46a8

  • SHA1

    9ac31ccd5ab210e37c6010a8eac13a06e1a1272d

  • SHA256

    f0f7e757f603541f02c8c1dfdaa8d6c1cbff4a4a8c0f0de49453bb68330b272e

  • SHA512

    9fb8746a9243a7705ed7ea0d0e071b4785e726f0644787f375a92a89c2f4cd71ad59f81432a79ca09ccaaa89895a64181a784395b607e2303b694ef9517bebcb

  • SSDEEP

    12288:I9yzNBedBB42AZPApmqjZi+oG67lz+MSg07Z6fmIwVqzQ:I9yzNBe14PP42H0pN8c

Malware Config

Extracted

Family

vidar

Version

11.8

Botnet

68fa61169d8a1f0521b8a06aa1f33efb

C2

https://t.me/fu4chmo

https://steamcommunity.com/profiles/76561199802540894

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.6 Safari/605.1.15 Ddg/17.6

Targets

    • Target

      Unlock_Tool_v2.7.2.exe

    • Size

      394KB

    • MD5

      a97003b5a7144d1985df6a56703b46a8

    • SHA1

      9ac31ccd5ab210e37c6010a8eac13a06e1a1272d

    • SHA256

      f0f7e757f603541f02c8c1dfdaa8d6c1cbff4a4a8c0f0de49453bb68330b272e

    • SHA512

      9fb8746a9243a7705ed7ea0d0e071b4785e726f0644787f375a92a89c2f4cd71ad59f81432a79ca09ccaaa89895a64181a784395b607e2303b694ef9517bebcb

    • SSDEEP

      12288:I9yzNBedBB42AZPApmqjZi+oG67lz+MSg07Z6fmIwVqzQ:I9yzNBe14PP42H0pN8c

    • Detect Vidar Stealer

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

    • Downloads MZ/PE file

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • 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