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General

  • Target

    a98bbce22cf20d03d964580e539721e41518757ba9a875d0938e8e7d4c60a09c

  • Size

    2.2MB

  • Sample

    240625-qb5qks1fqf

  • MD5

    90e552fbdc79f34679a5346c2b07ca1b

  • SHA1

    984170196a268fee363d1f3105cc8d5b3d21c67d

  • SHA256

    a98bbce22cf20d03d964580e539721e41518757ba9a875d0938e8e7d4c60a09c

  • SHA512

    faf7e541f0292b2554542f9c0e948ace8e73340155881b552fa4e8570a6d4447a7cd73c0a01e7c1d42ee2e18f0886339656f7fd243d68fa7c76aeb234a9351c4

  • SSDEEP

    49152:lAgY7fvVtbBaxmcqMTBeutKQl+bH4JbjzzEBETT29YMST:llY7nTMBTBeutKQl+bYxzIBA6uMST

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

      a98bbce22cf20d03d964580e539721e41518757ba9a875d0938e8e7d4c60a09c

    • Size

      2.2MB

    • MD5

      90e552fbdc79f34679a5346c2b07ca1b

    • SHA1

      984170196a268fee363d1f3105cc8d5b3d21c67d

    • SHA256

      a98bbce22cf20d03d964580e539721e41518757ba9a875d0938e8e7d4c60a09c

    • SHA512

      faf7e541f0292b2554542f9c0e948ace8e73340155881b552fa4e8570a6d4447a7cd73c0a01e7c1d42ee2e18f0886339656f7fd243d68fa7c76aeb234a9351c4

    • SSDEEP

      49152:lAgY7fvVtbBaxmcqMTBeutKQl+bH4JbjzzEBETT29YMST:llY7nTMBTBeutKQl+bYxzIBA6uMST

    • 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 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.

    • 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