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General

  • Target

    JaffaCakes118_79dd0667f51035f1b8322d10acf1688b

  • Size

    489KB

  • Sample

    250316-mc49naysgw

  • MD5

    79dd0667f51035f1b8322d10acf1688b

  • SHA1

    fe21c49313ad7dacdca94211eb635540551b4f28

  • SHA256

    fb30f6f2adef10ea9f6806afb731977b7d6c67dfddd891eab99a0a8ad3048751

  • SHA512

    921eefd772ef2d1d3553db57174cf66cbcc6bbe9f745cd68fea6e0a9683ffd860e0460a3e6037dbe4848051161631d35dea1a6ea88ce0fb195fa5e26d140a23e

  • SSDEEP

    12288:OVW0BLp7vXRxcBAlhQaVYZiEk2NZjEpPceXQK:OVJLp7vXRqBAlhQxYLIqqK

Malware Config

Targets

    • Target

      JaffaCakes118_79dd0667f51035f1b8322d10acf1688b

    • Size

      489KB

    • MD5

      79dd0667f51035f1b8322d10acf1688b

    • SHA1

      fe21c49313ad7dacdca94211eb635540551b4f28

    • SHA256

      fb30f6f2adef10ea9f6806afb731977b7d6c67dfddd891eab99a0a8ad3048751

    • SHA512

      921eefd772ef2d1d3553db57174cf66cbcc6bbe9f745cd68fea6e0a9683ffd860e0460a3e6037dbe4848051161631d35dea1a6ea88ce0fb195fa5e26d140a23e

    • SSDEEP

      12288:OVW0BLp7vXRxcBAlhQaVYZiEk2NZjEpPceXQK:OVJLp7vXRqBAlhQxYLIqqK

    • ISR Stealer

      ISR Stealer is a modified version of Hackhound Stealer written in visual basic.

    • ISR Stealer payload

    • Isrstealer family

    • Detected Nirsoft tools

      Free utilities often used by attackers which can steal passwords, product keys, etc.

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Uses the VBS compiler for execution

    • Accesses Microsoft Outlook accounts

    • Adds Run key to start application

    • Drops desktop.ini file(s)

    • Suspicious use of SetThreadContext

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks