General

  • Target

    9964f9212756726e0d408494d9f8535d2e8c38698415bc6d51fa65ac6b2e7b15

  • Size

    600KB

  • Sample

    221108-rk6jxabeb8

  • MD5

    5799475fff1d04852a9554602b8f77d0

  • SHA1

    031174b3ab416f24e7cae3b1f7f9e0ec6b93e750

  • SHA256

    9964f9212756726e0d408494d9f8535d2e8c38698415bc6d51fa65ac6b2e7b15

  • SHA512

    4d82c1cd5eceaddadbc3a7d5ca68d467de1b06a970842864fab94c965f8cb9ec8d1c70719bbd08f005edc628e20d8b8fbcce8de7afb67bb49907be0fb3d38fbd

  • SSDEEP

    12288:ln/B3hN4SuIZYO6D7zkoT+lqp/7Iu/O2ybZx9Y9rl7jjGHL:lnB47IZYZlT+lQTD/O3BArRCHL

Malware Config

Targets

    • Target

      9964f9212756726e0d408494d9f8535d2e8c38698415bc6d51fa65ac6b2e7b15

    • Size

      600KB

    • MD5

      5799475fff1d04852a9554602b8f77d0

    • SHA1

      031174b3ab416f24e7cae3b1f7f9e0ec6b93e750

    • SHA256

      9964f9212756726e0d408494d9f8535d2e8c38698415bc6d51fa65ac6b2e7b15

    • SHA512

      4d82c1cd5eceaddadbc3a7d5ca68d467de1b06a970842864fab94c965f8cb9ec8d1c70719bbd08f005edc628e20d8b8fbcce8de7afb67bb49907be0fb3d38fbd

    • SSDEEP

      12288:ln/B3hN4SuIZYO6D7zkoT+lqp/7Iu/O2ybZx9Y9rl7jjGHL:lnB47IZYZlT+lQTD/O3BArRCHL

    • Matiex

      Matiex is a keylogger and infostealer first seen in July 2020.

    • Matiex Main payload

    • Executes dropped EXE

    • UPX packed file

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

    • 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 profiles

    • Adds Run key to start application

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks