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General

  • Target

    xtsle.exe

  • Size

    903KB

  • Sample

    250325-nj8fbsynw3

  • MD5

    8555e55165d3cda3bb72d6f7a0693a69

  • SHA1

    300eaed89a5d8edea974a7118655fe919ba5abff

  • SHA256

    88bd9484b884ae95a3df7310d69e76872f3de844c1c6e45639e464b38a8a805b

  • SHA512

    db212f7ffe972b1cb2069e57dece38bc72410c2dc196ee659b60454ea1c00dc3900d6a31d2f4b7ab79f1f1d82c147c957e4b38873960ac353a1bbe8fc36e9320

  • SSDEEP

    12288:1tCXUjIKWxqiJJd0RA89Em2AYpBs+AsSiFd+BtdCxCQjlMs/xv78pEOBl:1tCXUjIJJJdr8RY+cj6tdeMs/R8yOj

Malware Config

Extracted

Family

vidar

C2

https://t.me/g_etcontent

https://steamcommunity.com/profiles/76561199832267488

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:135.0) Firefox/135.0

Extracted

Family

vidar

Version

13.2

Botnet

2b5f49da02542664c0ff260da932bacc

C2

https://t.me/g_etcontent

https://steamcommunity.com/profiles/76561199832267488

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:135.0) Firefox/135.0

Targets

    • Target

      xtsle.exe

    • Size

      903KB

    • MD5

      8555e55165d3cda3bb72d6f7a0693a69

    • SHA1

      300eaed89a5d8edea974a7118655fe919ba5abff

    • SHA256

      88bd9484b884ae95a3df7310d69e76872f3de844c1c6e45639e464b38a8a805b

    • SHA512

      db212f7ffe972b1cb2069e57dece38bc72410c2dc196ee659b60454ea1c00dc3900d6a31d2f4b7ab79f1f1d82c147c957e4b38873960ac353a1bbe8fc36e9320

    • SSDEEP

      12288:1tCXUjIKWxqiJJd0RA89Em2AYpBs+AsSiFd+BtdCxCQjlMs/xv78pEOBl:1tCXUjIJJJdr8RY+cj6tdeMs/R8yOj

    • Detect Vidar Stealer

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

    • 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

    • 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.

    • Enumerates processes with tasklist

MITRE ATT&CK Enterprise v15

Tasks