General

  • Target
    38ee5e5c6afe58e651332c20ebef745c.exe
  • Size 691KB
  • Sample210619-js3qysbryn
  • SHA256 261a6b5bd61c119a30c55227f035b3fa9e4d34fdbdcf97663cbcf771fc62a25f
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • vidar

Version
  • 39.3

Botnet
  • 313

C2
  • https://bandakere.tumblr.com

Attributes
  • profile_id

    313

Targets

    • Target
      38ee5e5c6afe58e651332c20ebef745c.exe
    • Size 691KB
    • SHA256 261a6b5bd61c119a30c55227f035b3fa9e4d34fdbdcf97663cbcf771fc62a25f
    • MD5 SHA1 SHA512
    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks