General

  • Target

    9c3352f10d1219bd3a932ff49aef99826d43a134d1f0e553e6af1ed8e428a47f

  • Size

    754KB

  • Sample

    220221-myv8wahfc2

  • MD5

    cae4507cb25f5b0f68b74418a2ee2bc1

  • SHA1

    4d42df00e2f858397c335af6c848a4e7bb67e122

  • SHA256

    9c3352f10d1219bd3a932ff49aef99826d43a134d1f0e553e6af1ed8e428a47f

  • SHA512

    38cd82c9d6abca068e8f955fce683af1c4f14526ae18a6de001466af5ca1c16bbd1dc29c791ec43d7e9d26dabda01512f38a1e7fb51a6f7db24c064f078fa861

Malware Config

Extracted

Family

matiex

Credentials

  • Protocol:
    smtp
  • Host:
    mail.revistaeducar.com.ar
  • Port:
    25
  • Username:
    [email protected]
  • Password:
    somchai#3774

Targets

    • Target

      Payment Notification.exe

    • Size

      1.0MB

    • MD5

      22d61a1e0f48b05fec1a4cf9da160b16

    • SHA1

      68826094caeffc43d24ddf0d2ad1c6ed5e961272

    • SHA256

      78f08071af81517d374179110b8018fce8d6670abd110ab76fdf811a08761ad4

    • SHA512

      760c4b4b9fdc3fca93129a0bc973e27bbe8e9d696baae51509a70dc8a8f0fc1ad8a1fa5801c9f21cacfea66bc728de1102f868d1a348fde1350f42d337d2df5d

    • 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.

    • 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