General

  • Target

    74e84e3c4b722fc24d404ff538e64b7d3f686fd162080f2bddd7af51d71b5bad

  • Size

    598KB

  • Sample

    220503-zemhvaegbk

  • MD5

    4f4f40bd30268357f26125e00fa13983

  • SHA1

    230c64413c230a86db04197100daee8cd492e85c

  • SHA256

    74e84e3c4b722fc24d404ff538e64b7d3f686fd162080f2bddd7af51d71b5bad

  • SHA512

    ecd1105038b353b3a47de0e5c856939ea2284825aa9c0179c666b850addfc09c4297d3d130b7d618b2d2506558b617f0f4f7a02c6768491819dbe68cee0a641f

Malware Config

Extracted

Family

matiex

Credentials

  • Protocol:
    smtp
  • Host:
    mail.vizvec.com
  • Port:
    26
  • Username:
    [email protected]
  • Password:
    Domain123@

Targets

    • Target

      74e84e3c4b722fc24d404ff538e64b7d3f686fd162080f2bddd7af51d71b5bad

    • Size

      598KB

    • MD5

      4f4f40bd30268357f26125e00fa13983

    • SHA1

      230c64413c230a86db04197100daee8cd492e85c

    • SHA256

      74e84e3c4b722fc24d404ff538e64b7d3f686fd162080f2bddd7af51d71b5bad

    • SHA512

      ecd1105038b353b3a47de0e5c856939ea2284825aa9c0179c666b850addfc09c4297d3d130b7d618b2d2506558b617f0f4f7a02c6768491819dbe68cee0a641f

    • Matiex

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

    • Matiex Main Payload

    • Modifies WinLogon for persistence

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • 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