General

  • Target

    baff05977681e02ac5c004975c9033ede364ce7e18e660dc51a58917745057bb

  • Size

    291KB

  • Sample

    220521-nd8txagfeq

  • MD5

    8bd8d8edec26d2d48e4335cc29e3d112

  • SHA1

    9e01a547209c209019d5b3d5feab2bb3af9498b7

  • SHA256

    baff05977681e02ac5c004975c9033ede364ce7e18e660dc51a58917745057bb

  • SHA512

    37694d7495b530b0851a4274f4e8f3ee97d090052d4687faabc8ce48e9af9daaedc1a7a60993e48bde5f3aaf331d7a8097e6f141f57dac0d74aad3a9c7b8e094

Malware Config

Extracted

Family

matiex

Credentials

  • Protocol:
    smtp
  • Host:
    matrixyarn.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    12bala12

Targets

    • Target

      Proforma Invoice.exe

    • Size

      332KB

    • MD5

      64ad519e93364e83854d0447c5dbbade

    • SHA1

      76702fc45937a91c4b52f2174c22b827eed22f7c

    • SHA256

      a0fb0bec2f23bac8669541f20dc961c96cc74028a0fe96b272d0aad470e67837

    • SHA512

      359e7f95e1d056f01d1bca3761f0bf5ba123a6e9cb3e9bbb873dab771c81cfb60f6453727eb1efa039b51edc2d9c3edb948d7c6f0642f1ee7b10b40d0f250c8a

    • Matiex

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

    • Matiex Main Payload

    • Checks computer location settings

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

    • 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