General

  • Target

    bf16932ed80e384ae7291cb49d0b3a69979091f61f9533b557c58f02193f87cb

  • Size

    2.2MB

  • Sample

    240628-yvmm4stejk

  • MD5

    7967c84665f1ad8db5e67d018279206b

  • SHA1

    8abd9287a395f7da11e8c8f1078f1f5a83ad5e86

  • SHA256

    bf16932ed80e384ae7291cb49d0b3a69979091f61f9533b557c58f02193f87cb

  • SHA512

    6003951bf278e2d189f8ecf414709b2f4bf349b9e5e257a5d821f1ceb0eb08902305a3c9d5a993983457c2cdebade1289288043001df32396dcd574d9159740a

  • SSDEEP

    49152:qpjNvr9ySAOmw49HHO+SASagXkJr4MDkUwm:qpjNp7p49HH8n5A

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

      bf16932ed80e384ae7291cb49d0b3a69979091f61f9533b557c58f02193f87cb

    • Size

      2.2MB

    • MD5

      7967c84665f1ad8db5e67d018279206b

    • SHA1

      8abd9287a395f7da11e8c8f1078f1f5a83ad5e86

    • SHA256

      bf16932ed80e384ae7291cb49d0b3a69979091f61f9533b557c58f02193f87cb

    • SHA512

      6003951bf278e2d189f8ecf414709b2f4bf349b9e5e257a5d821f1ceb0eb08902305a3c9d5a993983457c2cdebade1289288043001df32396dcd574d9159740a

    • SSDEEP

      49152:qpjNvr9ySAOmw49HHO+SASagXkJr4MDkUwm:qpjNp7p49HH8n5A

    • 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