General

  • Target

    build.exe

  • Size

    943KB

  • Sample

    241104-vtsaessrcy

  • MD5

    8d861bb4030412f702135bb0817b81d9

  • SHA1

    45ec1c5b73ba2f35c5f4038719989ee6733082e7

  • SHA256

    94b8c531d97eabb5d7cd2a03845fcf17d399b589260275a4ea979d62d03963d3

  • SHA512

    59da85738f3df2982bf5bbe1162bc71e5fff0f9b198f700e7313a48ae7b42d0b948280a3ec8d5c2ab3cc03b02a4b6104712b6dcc6852cfaf34ee6fae64e78cf4

  • SSDEEP

    24576:ney05nEQXObrQEwMGNL/geFyNcTN+jv75TQn652VBuNyb6:eLZ+bsELGJtF4ch+jvNm0Nyb6

Malware Config

Extracted

Family

vidar

C2

https://t.me/asg7rd

https://steamcommunity.com/profiles/76561199794498376

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.6 Safari/605.1.15 Ddg/17.6

Targets

    • Target

      build.exe

    • Size

      943KB

    • MD5

      8d861bb4030412f702135bb0817b81d9

    • SHA1

      45ec1c5b73ba2f35c5f4038719989ee6733082e7

    • SHA256

      94b8c531d97eabb5d7cd2a03845fcf17d399b589260275a4ea979d62d03963d3

    • SHA512

      59da85738f3df2982bf5bbe1162bc71e5fff0f9b198f700e7313a48ae7b42d0b948280a3ec8d5c2ab3cc03b02a4b6104712b6dcc6852cfaf34ee6fae64e78cf4

    • SSDEEP

      24576:ney05nEQXObrQEwMGNL/geFyNcTN+jv75TQn652VBuNyb6:eLZ+bsELGJtF4ch+jvNm0Nyb6

    • Detect Vidar Stealer

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

    • Downloads MZ/PE file

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • 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.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

MITRE ATT&CK Enterprise v15

Tasks