General

  • Target

    b49831da526c73193082d584fcd03c62.exe

  • Size

    719KB

  • Sample

    230113-vbnvaaae74

  • MD5

    b49831da526c73193082d584fcd03c62

  • SHA1

    cd7efc3db0b67615e2b28b67077908ef0d70997c

  • SHA256

    d7b79a3b233e302c0565522ee309e0eebb3bcf4309370f439cd228a829ea07cf

  • SHA512

    f3e12fe112757d50ef4e8a41d035f2d629de9377fad96eb8754ad66af7f93600c02152403f8a4c309504b5b264e67988fa667638d605e07b820f4e9671dd04ff

  • SSDEEP

    12288:pXcqhWkdzkMWzcw9OsOSsyRvy1u7kqtf2ssp2JcPpHL4JiV8qGV3wGa7Y8vh4HZI:pXc/SzGzc8OsO9yRvlD2ssp2eRHksiG5

Malware Config

Targets

    • Target

      b49831da526c73193082d584fcd03c62.exe

    • Size

      719KB

    • MD5

      b49831da526c73193082d584fcd03c62

    • SHA1

      cd7efc3db0b67615e2b28b67077908ef0d70997c

    • SHA256

      d7b79a3b233e302c0565522ee309e0eebb3bcf4309370f439cd228a829ea07cf

    • SHA512

      f3e12fe112757d50ef4e8a41d035f2d629de9377fad96eb8754ad66af7f93600c02152403f8a4c309504b5b264e67988fa667638d605e07b820f4e9671dd04ff

    • SSDEEP

      12288:pXcqhWkdzkMWzcw9OsOSsyRvy1u7kqtf2ssp2JcPpHL4JiV8qGV3wGa7Y8vh4HZI:pXc/SzGzc8OsO9yRvlD2ssp2eRHksiG5

    • 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 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

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Credential Access

Credentials in Files

2
T1081

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Tasks