Resubmissions

18/01/2023, 14:08

230118-rfz7bsae2210

16/12/2022, 12:38

221216-pvfecsef977

General

  • Target
    BraveBrowserSetup.iso
  • Size 309.7MB
  • Sample221216-pvfecsef97
  • SHA256 0b1a0881946f6e4d8b4af01f6bceb0737fc58282d098ae1c36c25c24c53a7deb
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      BraveBrowserSetup.exe
    • Size 309.1MB
    • SHA256 bd06228669802c5ee2f00c900dd17efd1763780b17f05346d5ddcf6ead24297b
    • MD5 SHA1 SHA512 SSDEEP
    • 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

    • 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