General

  • Target

    4622942793ebac6a734337176a346809.bin

  • Size

    551KB

  • Sample

    230120-qmnansah74

  • MD5

    88032140ce37ea1fbda578fd0b32896e

  • SHA1

    2fdf24c3e4d792467ccac54887efae460531b0a4

  • SHA256

    21e5e0c004b3cba4cfbfdd135abcab0beeea6159ce5884d19406945ce38e9670

  • SHA512

    f6c536f67a0cf543a0e7597f544863a12253fea2ee633d33c7419c0c7643c119115909f772192b42482b4bbf566d5412d08821b5cd769e2148472a66fe3bde4a

  • SSDEEP

    12288:PpW9NTh/ae616GyLhbF4WcSdcjxVfhA3vGY9wRhK8iZDWKintbGlr:BW9NP61dOj4WnKvfkuiwRhK8o2Or

Malware Config

Extracted

Family

matiex

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    wise101@bajajindai.net
  • Password:
    ze5qw@iC?1E}

Targets

    • Target

      b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe

    • Size

      608KB

    • MD5

      4622942793ebac6a734337176a346809

    • SHA1

      5c7c0cceb1d1ecdd052e29a9e6a46e4ea3cfb282

    • SHA256

      b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c

    • SHA512

      a7164f6a8b9d555efd12bebb3801834c539c73090fdc0cfc436c4b0a53a324169af9b8ba21bb7e2b81698e14ea92da5d0fe477563a323ebeaced40a1870392a6

    • SSDEEP

      12288:YqoOQ5sHbNuZpA/uOr3YZnQlRZDynctXm2sThT6ycNYn:X1Q4oZpA2Or3YuyctW2K6Fm

    • Matiex

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

    • Matiex Main payload

    • 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

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