General

  • Target

    680ead0c089f69dff1932fa58d8b72959565a8959a886520720e79be7d5c08d2

  • Size

    11.3MB

  • Sample

    220326-jag5kaaaa8

  • MD5

    3f3c964143f2609ba953c8648f0ff5b2

  • SHA1

    4eebac115f1a5ecb1061c6eb89e707b512ea4549

  • SHA256

    680ead0c089f69dff1932fa58d8b72959565a8959a886520720e79be7d5c08d2

  • SHA512

    dd8e51f76da847dee7d10af0fd47fe4a4f237a915cdd5c67976ce016ae9c9e7f0419cb1d91d17e7b6765050536de7b886643e380c0dc865fc79c2b79a6b7e754

Malware Config

Extracted

Family

matiex

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.privateemail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    MARYolanmauluogwo@ever

Targets

    • Target

      680ead0c089f69dff1932fa58d8b72959565a8959a886520720e79be7d5c08d2

    • Size

      11.3MB

    • MD5

      3f3c964143f2609ba953c8648f0ff5b2

    • SHA1

      4eebac115f1a5ecb1061c6eb89e707b512ea4549

    • SHA256

      680ead0c089f69dff1932fa58d8b72959565a8959a886520720e79be7d5c08d2

    • SHA512

      dd8e51f76da847dee7d10af0fd47fe4a4f237a915cdd5c67976ce016ae9c9e7f0419cb1d91d17e7b6765050536de7b886643e380c0dc865fc79c2b79a6b7e754

    • Matiex

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

    • Matiex Main Payload

    • Modifies WinLogon for persistence

    • Drops startup file

    • 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.

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • 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

Persistence

Winlogon Helper DLL

1
T1004

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks