General

  • Target

    rgVakr0EruC2FtauFmrgXkxw.exe

  • Size

    610KB

  • Sample

    210823-8aat3l9s82

  • MD5

    592404767648b0afc3cab6fade2fb7d2

  • SHA1

    bab615526528b498a09d76decbf86691807e7822

  • SHA256

    3593247c384586966e5a0e28eb4c4174b31e93c78c7a9e8fef96ec42a152e509

  • SHA512

    83819e4956ac6da21c4927fa6edee2b178bc89bcda8fb5f4d0767d0d8310393f50f0f7e76e1a963002626a8176abfa8d864c9229a41e5b61e1a24a32d379dda9

Malware Config

Extracted

Family

vidar

Version

40.1

Botnet

937

C2

https://eduarroma.tumblr.com/

Attributes
  • profile_id

    937

Targets

    • Target

      rgVakr0EruC2FtauFmrgXkxw.exe

    • Size

      610KB

    • MD5

      592404767648b0afc3cab6fade2fb7d2

    • SHA1

      bab615526528b498a09d76decbf86691807e7822

    • SHA256

      3593247c384586966e5a0e28eb4c4174b31e93c78c7a9e8fef96ec42a152e509

    • SHA512

      83819e4956ac6da21c4927fa6edee2b178bc89bcda8fb5f4d0767d0d8310393f50f0f7e76e1a963002626a8176abfa8d864c9229a41e5b61e1a24a32d379dda9

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar Stealer

    • Downloads MZ/PE file

    • Deletes itself

    • 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

    • 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 v6

Tasks