General

  • Target

    4fbdcc44a7aeee9738c67a3bc33217250d77b2c87125e2f592a55475de66762c

  • Size

    565KB

  • Sample

    220508-hcc3yscebp

  • MD5

    c3441e021209654ea6f7531d8687bd22

  • SHA1

    d9f937cefb85f12bca3822ecf118ac824fcec0bc

  • SHA256

    4fbdcc44a7aeee9738c67a3bc33217250d77b2c87125e2f592a55475de66762c

  • SHA512

    dbf464ece49417fb830e4716ec0e6e9b029a1ca0067c796b6440ff551e91f7f4a6013a77b7611f7f860da13b9f90f6b9a19f1d43b6b216634c26b33fc0b759f0

Malware Config

Extracted

Family

matiex

Credentials

  • Protocol:
    smtp
  • Host:
    srvc13.turhost.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    italik2015

Targets

    • Target

      4fbdcc44a7aeee9738c67a3bc33217250d77b2c87125e2f592a55475de66762c

    • Size

      565KB

    • MD5

      c3441e021209654ea6f7531d8687bd22

    • SHA1

      d9f937cefb85f12bca3822ecf118ac824fcec0bc

    • SHA256

      4fbdcc44a7aeee9738c67a3bc33217250d77b2c87125e2f592a55475de66762c

    • SHA512

      dbf464ece49417fb830e4716ec0e6e9b029a1ca0067c796b6440ff551e91f7f4a6013a77b7611f7f860da13b9f90f6b9a19f1d43b6b216634c26b33fc0b759f0

    • Matiex

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

    • Matiex Main Payload

    • Looks for VirtualBox Guest Additions in registry

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • 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.

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

2
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Tasks