General

  • Target

    LauncherByLueV10.3.exe

  • Size

    356KB

  • Sample

    250331-r733asvkt9

  • MD5

    882f2b592e06416f4941bb547b6cfb78

  • SHA1

    8a0924295b92688ceab0dcf3ba2fc32c73ae46e4

  • SHA256

    73ebf92726261418991dfda72c656a6b9b8322a1fb79315ec5e614857431a77f

  • SHA512

    3ed5bdc33be70e2fc8c40b528939e60d7cc1a7dc5759582a27e9c05e255e6078356eb3957829d4d298fd03f3f3263a09a6728f4c776aa218f75862a486e19872

  • SSDEEP

    6144:kXXP6c1lu4PtsMUAfRf+BHA1V8x4ZvkbsUoUM/fbh+oJLX:kXD184PtrLRf+BgY4Zs7oZ/FzX

Malware Config

Extracted

Family

vidar

Version

13.3

Botnet

23b8a0e48f77dc82cb41b2936121fd07

C2

https://t.me/lw25chm

https://steamcommunity.com/profiles/76561199839170361

Attributes
  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 Chrome/132.0.0.0 Safari/537.36 OPR/117.0.0.0

Targets

    • Target

      LauncherByLueV10.3.exe

    • Size

      356KB

    • MD5

      882f2b592e06416f4941bb547b6cfb78

    • SHA1

      8a0924295b92688ceab0dcf3ba2fc32c73ae46e4

    • SHA256

      73ebf92726261418991dfda72c656a6b9b8322a1fb79315ec5e614857431a77f

    • SHA512

      3ed5bdc33be70e2fc8c40b528939e60d7cc1a7dc5759582a27e9c05e255e6078356eb3957829d4d298fd03f3f3263a09a6728f4c776aa218f75862a486e19872

    • SSDEEP

      6144:kXXP6c1lu4PtsMUAfRf+BHA1V8x4ZvkbsUoUM/fbh+oJLX:kXD184PtrLRf+BgY4Zs7oZ/FzX

    • Detect Vidar Stealer

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

    • Blocklisted process makes network request

    • 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

    • 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.

    • Executes dropped EXE

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Enterprise v15

Tasks