General

  • Target

    4c5ba50ce25365c3253b400fcb48c1427a362862eee4deb0e60309abde44f271

  • Size

    1.9MB

  • Sample

    240606-c7eblsfh97

  • MD5

    a2a292805540c82cb6c9b9b9aac18436

  • SHA1

    35651869416e09e52fbe6b77adfa1926631affad

  • SHA256

    4c5ba50ce25365c3253b400fcb48c1427a362862eee4deb0e60309abde44f271

  • SHA512

    5fea87c1c53200d24572be0ab2d177c0722c10e39c0b8b662e6e14f0c37e8834881edf0199c3d0b21c6421650ecb301e59911b54cf79e09b7b47c1da43b0c7f3

  • SSDEEP

    24576:n/eC7bzaXi7m0gJu0LXolGLbJnR/z4+EbVbw2qug4ctOlQLernWO:nGYz0P0gMS4cdR/z4+UVi4e9Crn

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://t.me/r8z0l

https://steamcommunity.com/profiles/76561199698764354

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0

Targets

    • Target

      4c5ba50ce25365c3253b400fcb48c1427a362862eee4deb0e60309abde44f271

    • Size

      1.9MB

    • MD5

      a2a292805540c82cb6c9b9b9aac18436

    • SHA1

      35651869416e09e52fbe6b77adfa1926631affad

    • SHA256

      4c5ba50ce25365c3253b400fcb48c1427a362862eee4deb0e60309abde44f271

    • SHA512

      5fea87c1c53200d24572be0ab2d177c0722c10e39c0b8b662e6e14f0c37e8834881edf0199c3d0b21c6421650ecb301e59911b54cf79e09b7b47c1da43b0c7f3

    • SSDEEP

      24576:n/eC7bzaXi7m0gJu0LXolGLbJnR/z4+EbVbw2qug4ctOlQLernWO:nGYz0P0gMS4cdR/z4+UVi4e9Crn

    • 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