General

  • Target

    M0890068899998.exe

  • Size

    539KB

  • Sample

    201218-lxlk3nhyys

  • MD5

    89a16b7a33c0399e5622950068007d4f

  • SHA1

    d7e609b5629b33f663f21ba0e5540ae66ae097c4

  • SHA256

    bf60e55ec0adb6a2be7a8009c201aecbb074beecd22458bf19ff12f5d5acbb9b

  • SHA512

    a634eb6f8fe5772f7e79e3c4927477ac398ec6b8c5836b8f5a7b89f732fb16c61b60a4528a3cd28a14b2e4d13d2a7bc8d6890ffa59604f17a4f0f756545b8038

Malware Config

Extracted

Family

matiex

Credentials

  • Protocol:
    smtp
  • Host:
    mail.zavidovici.ba
  • Port:
    587
  • Username:
    opcina.zavidovici@zavidovici.ba
  • Password:
    12Opc21!

Targets

    • Target

      M0890068899998.exe

    • Size

      539KB

    • MD5

      89a16b7a33c0399e5622950068007d4f

    • SHA1

      d7e609b5629b33f663f21ba0e5540ae66ae097c4

    • SHA256

      bf60e55ec0adb6a2be7a8009c201aecbb074beecd22458bf19ff12f5d5acbb9b

    • SHA512

      a634eb6f8fe5772f7e79e3c4927477ac398ec6b8c5836b8f5a7b89f732fb16c61b60a4528a3cd28a14b2e4d13d2a7bc8d6890ffa59604f17a4f0f756545b8038

    • Matiex

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

    • Matiex Main Payload

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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.

    • 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 Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Tasks