General

  • Target

    TikTokDesktop18.exe

  • Size

    17.9MB

  • Sample

    241130-1h7hvszrdj

  • MD5

    81f6b6fe3201c3941bd49243c5896811

  • SHA1

    8bd0d5bb78255fc9f2dcf70fde14dba16c66551c

  • SHA256

    fa4f1c0b324654420f8758b8ab1d7e0db22f0eacbff0d2e14413ed904ca54aaf

  • SHA512

    f3d22c84fb70a2c851f533037b74c45248b9074aa3042371672c89c3ee5229bbdbbc193e54840adbc5f17672430fbbc0b94dd12c8014f3a3ec93fece24e54d4f

  • SSDEEP

    393216:7bbTRUBXu2+WlsaxtBXu2+WlsaxtBXu2+WlsaxtBXu2+Wlsax:7PKBX4mtfBX4mtfBX4mtfBX4mt

Malware Config

Extracted

Family

vidar

Version

11.8

Botnet

41d35cbb974bc2d1287dcd4381b4a2a8

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

      TikTokDesktop18.exe

    • Size

      17.9MB

    • MD5

      81f6b6fe3201c3941bd49243c5896811

    • SHA1

      8bd0d5bb78255fc9f2dcf70fde14dba16c66551c

    • SHA256

      fa4f1c0b324654420f8758b8ab1d7e0db22f0eacbff0d2e14413ed904ca54aaf

    • SHA512

      f3d22c84fb70a2c851f533037b74c45248b9074aa3042371672c89c3ee5229bbdbbc193e54840adbc5f17672430fbbc0b94dd12c8014f3a3ec93fece24e54d4f

    • SSDEEP

      393216:7bbTRUBXu2+WlsaxtBXu2+WlsaxtBXu2+WlsaxtBXu2+Wlsax:7PKBX4mtfBX4mtfBX4mtfBX4mt

    • Detect Vidar Stealer

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Enterprise v15

Tasks