General

  • Target
    shipping docs.exe
  • Size 563KB
  • Sample220628-mdncjaggbr
  • SHA256 bb76e427660942cdf5c2f684ed7bcdf2be26e53d12adca57ee7757dd2ce4a9c9
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • xloader

Version
  • 2.9

Campaign
  • gfv7

Decoy
  • hd4AZDZ3XeSkZ9w0NRn2+JU=

  • 6iAxmGKdumxFEgwp

  • jM6QcxNUSeCKaUdvvh3g9mffhosQ

  • d4CC0LS0DjTJS8FdXqd3soM=

  • S1LPlXEIJY52Og==

  • doeO7AimsF0NEvFgnIV5

  • W2TlzH/byHtUU3B7tw==

  • Y2RAbyZjex2qj6GQv4Q=

  • ftoOsCpZdfmALQ==

  • 4kqL8v/6rDj8Ohs/wAjkb0gD5Gfiww==

  • 8mVs/AkvwLnIWp4=

  • yfqAazgHioT8b9yHSKpLDtgY

  • EyWD5F+Wu3L0xq/VJXgdlnFvBDdUz5WM

  • jn9ty+pdRNdtcDhJ5k8nwZofm4EJ

  • s9XVNv4/aRDBUx4w

  • +vHFE7Fw1rnIWp4=

  • wC395Yvi6G/3yoWRGW1USxzshi3Dyw==

  • jcbufIN91gHAUK1RYUMYIdyqpDlUz5WM

  • iIyoIvZNXwPNmBlBxGk6+A==

  • C/hTD8h/KWLiMW4Mt/joXyz23Q==

Targets

    • Target
      shipping docs.exe
    • Size 563KB
    • SHA256 bb76e427660942cdf5c2f684ed7bcdf2be26e53d12adca57ee7757dd2ce4a9c9
    • MD5 SHA1 SHA512
    • Formbook

      Formbook is a data stealing malware which is capable of stealing data.

    • Xloader

      Xloader is a rebranded version of Formbook malware.

    • suricata: ET MALWARE FormBook CnC Checkin (GET)

      suricata: ET MALWARE FormBook CnC Checkin (GET)

    • suricata: ET MALWARE FormBook CnC Checkin (POST) M2

      suricata: ET MALWARE FormBook CnC Checkin (POST) M2

    • Xloader Payload

    • Adds policy Run key to start application

    • Checks computer location settings

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

    • Deletes itself

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks