General

  • Target

    dc0e2a2348f6be61bd46ed5665e0f260d703be87e850b6c80d419e427f8c6521

  • Size

    2.1MB

  • Sample

    240624-x5s27sygjh

  • MD5

    9f8c6ea5b0ed18677a3520dba50c0c7d

  • SHA1

    37ce0087672c6deedb3abd75b0805e8ae393f4a0

  • SHA256

    dc0e2a2348f6be61bd46ed5665e0f260d703be87e850b6c80d419e427f8c6521

  • SHA512

    342610dc6b66d64fe045b0b82d4af00002943198ee26f155dc364cbab0ee712d3396ada08a537f50bca9414d75c4bbecebd61fddec8c9383d00379f1226d101e

  • SSDEEP

    24576:cC/gyrgOo5VvmUfq+Zc1Fsuqf9sNUfMxVVtes12FxwojKr98YGeGGHzqqikY+rPN:c3xbZcjHNUkxVVChjHZQHzqZ+rPlV

Malware Config

Extracted

Family

vidar

C2

https://t.me/g067n

https://steamcommunity.com/profiles/76561199707802586

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:129.0) Gecko/20100101 Firefox/129.0

Targets

    • Target

      dc0e2a2348f6be61bd46ed5665e0f260d703be87e850b6c80d419e427f8c6521

    • Size

      2.1MB

    • MD5

      9f8c6ea5b0ed18677a3520dba50c0c7d

    • SHA1

      37ce0087672c6deedb3abd75b0805e8ae393f4a0

    • SHA256

      dc0e2a2348f6be61bd46ed5665e0f260d703be87e850b6c80d419e427f8c6521

    • SHA512

      342610dc6b66d64fe045b0b82d4af00002943198ee26f155dc364cbab0ee712d3396ada08a537f50bca9414d75c4bbecebd61fddec8c9383d00379f1226d101e

    • SSDEEP

      24576:cC/gyrgOo5VvmUfq+Zc1Fsuqf9sNUfMxVVtes12FxwojKr98YGeGGHzqqikY+rPN:c3xbZcjHNUkxVVChjHZQHzqZ+rPlV

    • Detect Vidar Stealer

    • Stealc

      Stealc is an infostealer written in C++.

    • 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

    • 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.

    • 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