General

  • Target

    8eff817d4a8ab57a51dd2863e8d1323ebac8158f558bceb9da56ebb08da1efc2

  • Size

    7.0MB

  • Sample

    220415-p6j7paaahl

  • MD5

    bf006c9b0da0a6a76cc818fd6c4332b2

  • SHA1

    fa71947f41bc5900d793cda9e0edaaa79774750c

  • SHA256

    8eff817d4a8ab57a51dd2863e8d1323ebac8158f558bceb9da56ebb08da1efc2

  • SHA512

    e0929448f3d4bd6c1bc0c749ea23eb756f6eaf64fe2e014d16a38c8aeb870077e35691d9cb7dd813f5af38d8d72d8cf8ec02e38906135b8235b91af6793ce05b

Malware Config

Extracted

Family

matiex

Credentials

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

Targets

    • Target

      8eff817d4a8ab57a51dd2863e8d1323ebac8158f558bceb9da56ebb08da1efc2

    • Size

      7.0MB

    • MD5

      bf006c9b0da0a6a76cc818fd6c4332b2

    • SHA1

      fa71947f41bc5900d793cda9e0edaaa79774750c

    • SHA256

      8eff817d4a8ab57a51dd2863e8d1323ebac8158f558bceb9da56ebb08da1efc2

    • SHA512

      e0929448f3d4bd6c1bc0c749ea23eb756f6eaf64fe2e014d16a38c8aeb870077e35691d9cb7dd813f5af38d8d72d8cf8ec02e38906135b8235b91af6793ce05b

    • Matiex

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

    • Matiex Main Payload

    • Modifies WinLogon for persistence

    • Modifies Windows Defender Real-time Protection settings

    • Turns off Windows Defender SpyNet reporting

    • Windows security bypass

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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.

    • Windows security modification

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • 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 NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks