General

  • Target

    tmp

  • Size

    423KB

  • Sample

    230505-zaa91sfd4t

  • MD5

    7fd2d4cf90f09e3c742766b2788e8a1f

  • SHA1

    707415c8ca9448193185c91ddeb54f32d43b41cb

  • SHA256

    73c1c8ae9461ae24e38f8ce58aa5d5837ddf773b46bfb43127f8417dac8034be

  • SHA512

    d01a88bfa3bb4d02f2af92d9639987a4e5c7f33868c3dc01225e8df07faa8763ad37a58854ad64cb56d224a75483126cb2d194cb6a691e5eae63aac3e2848d78

  • SSDEEP

    12288:SmLzrsyf07GVWWCNPLl3Muq++HFomaD2p:7Lzrz8K/CRLl8x+gFVp

Malware Config

Extracted

Family

vidar

Version

3.7

Botnet

e100c2b9c85dc9adbd913bfc4846b201

C2

https://steamcommunity.com/profiles/76561199501059503

https://t.me/mastersbots

Attributes
  • profile_id_v2

    e100c2b9c85dc9adbd913bfc4846b201

  • user_agent

    Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/112.0

Targets

    • Target

      tmp

    • Size

      423KB

    • MD5

      7fd2d4cf90f09e3c742766b2788e8a1f

    • SHA1

      707415c8ca9448193185c91ddeb54f32d43b41cb

    • SHA256

      73c1c8ae9461ae24e38f8ce58aa5d5837ddf773b46bfb43127f8417dac8034be

    • SHA512

      d01a88bfa3bb4d02f2af92d9639987a4e5c7f33868c3dc01225e8df07faa8763ad37a58854ad64cb56d224a75483126cb2d194cb6a691e5eae63aac3e2848d78

    • SSDEEP

      12288:SmLzrsyf07GVWWCNPLl3Muq++HFomaD2p:7Lzrz8K/CRLl8x+gFVp

    • UAC bypass

    • 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses 2FA software files, possible credential harvesting

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Checks whether UAC is enabled

MITRE ATT&CK Enterprise v6

Tasks