General

  • Target

    build2.exe

  • Size

    453KB

  • Sample

    230424-xl5xnadh72

  • MD5

    770db2929307f3de98c1944fcd4adf92

  • SHA1

    d84b969b5f77353f734ec251660b71f11f2a76bf

  • SHA256

    581304c1ecc96f13dc1fcd999afed03ce2844937b63f463269352d9ba60666cb

  • SHA512

    5bb5ac8146a540ea34aabee20b8f30a3b7fe1064f4cd18f1222aed63eb9a8a946c1e2c45a17b57e0e883ea578aacd255734aeb155451984c44ce1fb90cc66d03

  • SSDEEP

    12288:CxZzXIpPqZYHChjN0H4cmL5tW35TkH9+fnW:CTzXIlGYiHvcms54HofW

Malware Config

Extracted

Family

vidar

Version

3.6

Botnet

5cb879265de0011bfc7588d5d251aee6

C2

https://steamcommunity.com/profiles/76561199499188534

https://t.me/nutalse

Attributes
  • profile_id_v2

    5cb879265de0011bfc7588d5d251aee6

  • user_agent

    Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.0.0 Safari/537.36

Targets

    • Target

      build2.exe

    • Size

      453KB

    • MD5

      770db2929307f3de98c1944fcd4adf92

    • SHA1

      d84b969b5f77353f734ec251660b71f11f2a76bf

    • SHA256

      581304c1ecc96f13dc1fcd999afed03ce2844937b63f463269352d9ba60666cb

    • SHA512

      5bb5ac8146a540ea34aabee20b8f30a3b7fe1064f4cd18f1222aed63eb9a8a946c1e2c45a17b57e0e883ea578aacd255734aeb155451984c44ce1fb90cc66d03

    • SSDEEP

      12288:CxZzXIpPqZYHChjN0H4cmL5tW35TkH9+fnW:CTzXIlGYiHvcms54HofW

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Checks computer location settings

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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses 2FA software files, possible credential harvesting

    • 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 v6

Tasks