Resubmissions

03-02-2022 14:53

220203-r9cm5aafd8 10

28-01-2022 20:48

220128-zlgaeadef8 10

General

  • Target

    FACTURA-9vUVHazo9RuSJpH.exe

  • Size

    1.1MB

  • Sample

    220128-zlgaeadef8

  • MD5

    92955191ebfb02ef2f3fe33dbd6094ca

  • SHA1

    2fecac06772d210574f44bfef91aeae8f0860a31

  • SHA256

    c744fe5aa2ab646ac1a0583348316b13bf7ad12435edeb658aa5e0f09e494b89

  • SHA512

    77d0354e0ba06d826810e50bd78898da79efe102ece81eac3fdd46cd60c57f8c9192ea805f945c1d76181d524eb859409bcc82ea7143a5d4f8a210e737540b01

Malware Config

Extracted

Family

matiex

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    serv3.devmexico.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    3}l^pI#_4K_!

Targets

    • Target

      FACTURA-9vUVHazo9RuSJpH.exe

    • Size

      1.1MB

    • MD5

      92955191ebfb02ef2f3fe33dbd6094ca

    • SHA1

      2fecac06772d210574f44bfef91aeae8f0860a31

    • SHA256

      c744fe5aa2ab646ac1a0583348316b13bf7ad12435edeb658aa5e0f09e494b89

    • SHA512

      77d0354e0ba06d826810e50bd78898da79efe102ece81eac3fdd46cd60c57f8c9192ea805f945c1d76181d524eb859409bcc82ea7143a5d4f8a210e737540b01

    • Matiex

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

    • Matiex Main Payload

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook profiles

    • 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