General

  • Target

    bef1a1a790d0fc2997ad2b61e45a681e.exe

  • Size

    380KB

  • Sample

    220108-jhj9wsdccn

  • MD5

    bef1a1a790d0fc2997ad2b61e45a681e

  • SHA1

    4977286549133a45f5314f0a61e59365ba5444e5

  • SHA256

    3b556f8a00ec76eae2da65106515802e6ccf7f207b93caa00908e412e34e2384

  • SHA512

    1a8bbf47f912f5959a21ebf4c92f8639305d8b45df5337fdf117bf9d258dab1685842269cc5fe6849d0e966a9ea6d0c42cec2e763b55d2ae8f93d964f709626e

Malware Config

Extracted

Family

matiex

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    wellcome100

Targets

    • Target

      bef1a1a790d0fc2997ad2b61e45a681e.exe

    • Size

      380KB

    • MD5

      bef1a1a790d0fc2997ad2b61e45a681e

    • SHA1

      4977286549133a45f5314f0a61e59365ba5444e5

    • SHA256

      3b556f8a00ec76eae2da65106515802e6ccf7f207b93caa00908e412e34e2384

    • SHA512

      1a8bbf47f912f5959a21ebf4c92f8639305d8b45df5337fdf117bf9d258dab1685842269cc5fe6849d0e966a9ea6d0c42cec2e763b55d2ae8f93d964f709626e

    • 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.

    • 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

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks