General

  • Target
    e18e27680c53d972d62cccc2bb9c467e
  • Size 486KB
  • Sample210715-fdetsxg7x6
  • SHA256 419c0ec8639bbed490688e2811ddd0cd193da81096ad07724b7afb1e51de351b
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • vidar

Version
  • 39.6

Botnet
  • 903

C2
  • https://sslamlssa1.tumblr.com/

Attributes
  • profile_id

    903

Targets

    • Target
      e18e27680c53d972d62cccc2bb9c467e
    • Size 486KB
    • SHA256 419c0ec8639bbed490688e2811ddd0cd193da81096ad07724b7afb1e51de351b
    • MD5 SHA1 SHA512
    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar Stealer

    • Downloads MZ/PE file

    • Deletes itself

    • Loads dropped DLL

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • 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