Resubmissions

03/02/2022, 14:53

220203-r9cm5aafd810

28/01/2022, 20:48

220128-zlgaeadef810

General

  • Target
    FACTURA-9vUVHazo9RuSJpH.exe
  • Size 1.1MB
  • Sample220128-zlgaeadef8
  • SHA256 c744fe5aa2ab646ac1a0583348316b13bf7ad12435edeb658aa5e0f09e494b89
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • matiex

Credentials

Extracted

Credentials
  • Protocol

    smtp

  • Host

    serv3.devmexico.com

  • Port

    587

  • Password

    3}l^pI#_4K_!

Targets

    • Target
      FACTURA-9vUVHazo9RuSJpH.exe
    • Size 1.1MB
    • SHA256 c744fe5aa2ab646ac1a0583348316b13bf7ad12435edeb658aa5e0f09e494b89
    • MD5 SHA1 SHA512
    • 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