General

  • Target

    JaffaCakes118_7a66563172ad5bc98de4a9d9a8d80080

  • Size

    540KB

  • Sample

    250104-sp4rjsvldw

  • MD5

    7a66563172ad5bc98de4a9d9a8d80080

  • SHA1

    0574d74511f4bca882d93c27d80f1e9a1f4f0f4b

  • SHA256

    3f782deb0bb75af920032b4af83463ccba0e7b45e45895873a0b9b4398df67ee

  • SHA512

    6de416d142c5368a4bfdcc02d78188f44840681ced8ea29a2c868b3bf8ca24a6eedbc91efce03548a68c6bcc6f09246b8030300fb20bd120c0bf24cfcf7e51e1

  • SSDEEP

    12288:Ghxc3TIlqGJs1jpqttRiOsopj8X8TsWELBpGkjrkgbPp2UJSVEtoPC:ucoCyb6aIMTsWAfGONUkgEWP

Malware Config

Targets

    • Target

      JaffaCakes118_7a66563172ad5bc98de4a9d9a8d80080

    • Size

      540KB

    • MD5

      7a66563172ad5bc98de4a9d9a8d80080

    • SHA1

      0574d74511f4bca882d93c27d80f1e9a1f4f0f4b

    • SHA256

      3f782deb0bb75af920032b4af83463ccba0e7b45e45895873a0b9b4398df67ee

    • SHA512

      6de416d142c5368a4bfdcc02d78188f44840681ced8ea29a2c868b3bf8ca24a6eedbc91efce03548a68c6bcc6f09246b8030300fb20bd120c0bf24cfcf7e51e1

    • SSDEEP

      12288:Ghxc3TIlqGJs1jpqttRiOsopj8X8TsWELBpGkjrkgbPp2UJSVEtoPC:ucoCyb6aIMTsWAfGONUkgEWP

    • 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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook accounts

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks