Resubmissions

13/11/2023, 16:07

231113-tktw8aeb36 8

13/11/2023, 15:45

231113-s67vjadh78 8

General

  • Target

    http://es.malwarebytes.com

  • Sample

    231113-tktw8aeb36

Malware Config

Targets

    • Target

      http://es.malwarebytes.com

    • Downloads MZ/PE file

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks