General

  • Target

    6df680b0ce18173aec143502e2a4e8fa219ebe4ac4f42c639e64ff8a1afdd129

  • Size

    260KB

  • Sample

    220520-3cjwqagfc4

  • MD5

    1feb87a1cde3b978bddc82f2bc762443

  • SHA1

    74d58f4c349e88f0337b99768b01ffd6de376df9

  • SHA256

    6df680b0ce18173aec143502e2a4e8fa219ebe4ac4f42c639e64ff8a1afdd129

  • SHA512

    660224269dde0511af3996a110835e6e00c170e767a922aef595a1f26f68a0183db3996ecad3ea703b779ebb529541aa8c791c4edec1f8a8eeb5f61b1f781f8f

Malware Config

Extracted

Family

matiex

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    jjuvien@yandex.com
  • Password:
    GOOD123456

Targets

    • Target

      PO 6522301.PDF.exe

    • Size

      299KB

    • MD5

      dc1b2578f1fcbaaf4e9cbfc52586edc8

    • SHA1

      fbb4747ba4a4fd8b83f2df8b41cfe85ae5662515

    • SHA256

      f724bcf4c7048f177dcf17bd2b68822f75b9ff41957f026d7ceb6ff0082a25b0

    • SHA512

      4e5ed3f76457b617558f53872b89e907db65b6c8ff73b870489c84c1f763dd31282797ff3b865a47a514b89a18c1221a4ea62a8d3d89596987fe9e79c6b5a8a0

    • 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.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • 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 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

2
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Tasks