General

  • Target

    959c997ad7beaa75558665d28c9684515da2f5d5cb69b7a5375e1acbe397dc9d

  • Size

    790KB

  • Sample

    220326-vmze6afcc2

  • MD5

    b3f376aa63caf6b537d4b6a7308e3b7b

  • SHA1

    52157f01ff1b092e9ed9982b79ca2de272233c4a

  • SHA256

    959c997ad7beaa75558665d28c9684515da2f5d5cb69b7a5375e1acbe397dc9d

  • SHA512

    9c01fcc4d2b50c28b8ae38aee6318176cff91d16ad2f4d60b4f67032582fbcafb594c3938a00b330290a738bb9ce63f78b8574fd511d7474357b26005c479246

Malware Config

Extracted

Family

matiex

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.minister-finance.com/
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    Dakar@911

Targets

    • Target

      959c997ad7beaa75558665d28c9684515da2f5d5cb69b7a5375e1acbe397dc9d

    • Size

      790KB

    • MD5

      b3f376aa63caf6b537d4b6a7308e3b7b

    • SHA1

      52157f01ff1b092e9ed9982b79ca2de272233c4a

    • SHA256

      959c997ad7beaa75558665d28c9684515da2f5d5cb69b7a5375e1acbe397dc9d

    • SHA512

      9c01fcc4d2b50c28b8ae38aee6318176cff91d16ad2f4d60b4f67032582fbcafb594c3938a00b330290a738bb9ce63f78b8574fd511d7474357b26005c479246

    • 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.

    • 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 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

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Tasks