General

  • Target

    489d3b03f32d85a86e00cb7b5b58868900fc36fe65dd5d2dc0fbd9b34b146d76

  • Size

    1.8MB

  • Sample

    240604-bq1b3sha43

  • MD5

    5af1f7c590ad95e6396235e92f4ed9a3

  • SHA1

    22c13d00401197ccb7b87dcd8ec4a027c0f36b03

  • SHA256

    489d3b03f32d85a86e00cb7b5b58868900fc36fe65dd5d2dc0fbd9b34b146d76

  • SHA512

    0227ba613bab4b856afbe73e3437b059530c657efa2c0283d3dbd4b8d2c20ad54b2d4a76c9a85a6225a5144d4342756cc526fbbf9e853fff4fd50b2e1b90c434

  • SSDEEP

    24576:W7YfUB7F1931tbTYaOV+rEfv0xwT3zxNOt4XigDSCuptNEynEsqqfD:W75B7FDFtbTYa8aesY3Ot4N7G/

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://t.me/ta904ek

https://steamcommunity.com/profiles/76561199695752269

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0

Targets

    • Target

      489d3b03f32d85a86e00cb7b5b58868900fc36fe65dd5d2dc0fbd9b34b146d76

    • Size

      1.8MB

    • MD5

      5af1f7c590ad95e6396235e92f4ed9a3

    • SHA1

      22c13d00401197ccb7b87dcd8ec4a027c0f36b03

    • SHA256

      489d3b03f32d85a86e00cb7b5b58868900fc36fe65dd5d2dc0fbd9b34b146d76

    • SHA512

      0227ba613bab4b856afbe73e3437b059530c657efa2c0283d3dbd4b8d2c20ad54b2d4a76c9a85a6225a5144d4342756cc526fbbf9e853fff4fd50b2e1b90c434

    • SSDEEP

      24576:W7YfUB7F1931tbTYaOV+rEfv0xwT3zxNOt4XigDSCuptNEynEsqqfD:W75B7FDFtbTYa8aesY3Ot4N7G/

    • Detect Vidar Stealer

    • Stealc

      Stealc is an infostealer written in C++.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks