General

  • Target

    7c3f7e52034e3b37b13e01d9fef6d80393f13fb77f0053a605f3526a599d6e3a

  • Size

    2.2MB

  • Sample

    240628-ym94fazhje

  • MD5

    b03863423a9b4dad5d98a156a5b5aff3

  • SHA1

    a991ccb0127aa746033970b36c0dc8e4d47c4e5a

  • SHA256

    7c3f7e52034e3b37b13e01d9fef6d80393f13fb77f0053a605f3526a599d6e3a

  • SHA512

    6ab3b091921bf7a56421dcf1bb7bbe00ba801899bebf25812b1462d10cc332376d4cd5d6cbdacee6bb20c5b1ccb13161688db4fdc97e17c30d9a7f87f619f5c4

  • SSDEEP

    49152:qpjNvr9ySAOmw4dHHO+SASagXkJr4MDkUwm:qpjNp7p4dHH8n5A

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

      7c3f7e52034e3b37b13e01d9fef6d80393f13fb77f0053a605f3526a599d6e3a

    • Size

      2.2MB

    • MD5

      b03863423a9b4dad5d98a156a5b5aff3

    • SHA1

      a991ccb0127aa746033970b36c0dc8e4d47c4e5a

    • SHA256

      7c3f7e52034e3b37b13e01d9fef6d80393f13fb77f0053a605f3526a599d6e3a

    • SHA512

      6ab3b091921bf7a56421dcf1bb7bbe00ba801899bebf25812b1462d10cc332376d4cd5d6cbdacee6bb20c5b1ccb13161688db4fdc97e17c30d9a7f87f619f5c4

    • SSDEEP

      49152:qpjNvr9ySAOmw4dHHO+SASagXkJr4MDkUwm:qpjNp7p4dHH8n5A

    • 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