General

  • Target
    5497370a1c39741caebb42d33e653266fa0d71810a1cec19aac99931ac81a15e
  • Size 603KB
  • Sample220221-2fa8babbh4
  • SHA256 5497370a1c39741caebb42d33e653266fa0d71810a1cec19aac99931ac81a15e
  • MD5 SHA1 SHA512

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    mail.revistaeducar.com.ar

  • Port

    25

  • Password

    somchai#3774

Extracted

Family
  • matiex

Credentials
  • Protocol

    smtp

  • Host

    mail.revistaeducar.com.ar

  • Port

    25

  • Password

    somchai#3774

Targets

    • Target
      NKP210102-NIT-SC2.exe
    • Size 779KB
    • SHA256 af8629a317a5fe7aa5900f445cd855b902a495c497646c3ef1485ea5a9d026a7
    • MD5 SHA1 SHA512
    • 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