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General

  • Target

    644bf4c4a487c090b5a026a45edd34d15d4b18a18eb3633867ac7cb524677c7b

  • Size

    1.5MB

  • Sample

    240628-fhb2qssbqh

  • MD5

    4b8784b7dc61555dc2fcc87c72286a76

  • SHA1

    6a8e16f416da072afb55cc8b4352545849b9ae10

  • SHA256

    644bf4c4a487c090b5a026a45edd34d15d4b18a18eb3633867ac7cb524677c7b

  • SHA512

    a45a2eef043ff34aad0a70933f6a908c5427e3d8816bec338290352e4accef5e651a89af045d81156fc56cb4f6530c50fa77c917bd909a7b804ba1deac80e6f1

  • SSDEEP

    24576:BXc46Crf8fydacHps+/qASfmBgXk/xrADOv1xvF87uLwmnq:BXl8adHHO+SASagXkJr4MDkUwm

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

      644bf4c4a487c090b5a026a45edd34d15d4b18a18eb3633867ac7cb524677c7b

    • Size

      1.5MB

    • MD5

      4b8784b7dc61555dc2fcc87c72286a76

    • SHA1

      6a8e16f416da072afb55cc8b4352545849b9ae10

    • SHA256

      644bf4c4a487c090b5a026a45edd34d15d4b18a18eb3633867ac7cb524677c7b

    • SHA512

      a45a2eef043ff34aad0a70933f6a908c5427e3d8816bec338290352e4accef5e651a89af045d81156fc56cb4f6530c50fa77c917bd909a7b804ba1deac80e6f1

    • SSDEEP

      24576:BXc46Crf8fydacHps+/qASfmBgXk/xrADOv1xvF87uLwmnq:BXl8adHHO+SASagXkJr4MDkUwm

    • 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