General

  • Target

    07d49e3671e2d598147f9590069c67711964027bdc4e3dc556e641b5e873b7fc

  • Size

    701KB

  • Sample

    221126-ydqy7sdb2y

  • MD5

    0f290201bfb725e1ff1bb560f686f176

  • SHA1

    7ddb6af5c8645db20ab10c416dbdeb179b98f1a9

  • SHA256

    07d49e3671e2d598147f9590069c67711964027bdc4e3dc556e641b5e873b7fc

  • SHA512

    18b7c83f52269fc265e3fa82344bbb938372351dea42cfd6573e72c8f43e194aa8058e1ca539a85257a36ec85407a38a25d5496004012fe804921769015267c3

  • SSDEEP

    12288:0/LN583RI3HfUbaDopr0BynlBd/m4gsqH5hdKbUZbguITHFVPQs:0/LN5soHmaspWynlT/9gbhKbeUuS

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    austin316

Targets

    • Target

      07d49e3671e2d598147f9590069c67711964027bdc4e3dc556e641b5e873b7fc

    • Size

      701KB

    • MD5

      0f290201bfb725e1ff1bb560f686f176

    • SHA1

      7ddb6af5c8645db20ab10c416dbdeb179b98f1a9

    • SHA256

      07d49e3671e2d598147f9590069c67711964027bdc4e3dc556e641b5e873b7fc

    • SHA512

      18b7c83f52269fc265e3fa82344bbb938372351dea42cfd6573e72c8f43e194aa8058e1ca539a85257a36ec85407a38a25d5496004012fe804921769015267c3

    • SSDEEP

      12288:0/LN583RI3HfUbaDopr0BynlBd/m4gsqH5hdKbUZbguITHFVPQs:0/LN5soHmaspWynlT/9gbhKbeUuS

    • ISR Stealer

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

    • ISR Stealer payload

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Executes dropped EXE

    • UPX packed file

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

    • Checks computer location settings

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

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks