General

  • Target

    3d19bf2c34c0a658803fd2b97e5ec3290498f5f33498b5f529e66c6a3f28fff2

  • Size

    1.2MB

  • Sample

    220215-mszn4seaa8

  • MD5

    6cfa223ff643d058218d1f12b57d26a7

  • SHA1

    ad3f357f1fe4ebdea553165f9066650adae0b962

  • SHA256

    3d19bf2c34c0a658803fd2b97e5ec3290498f5f33498b5f529e66c6a3f28fff2

  • SHA512

    b3ccc45e1bd360c17c886ae3f4e0895709885f1d1769e15738e497efc01bc66151b488a1c6c69d03f7b80ea844dc3fee9d9f22b5ad40db5a0757738adfe3d2cb

Malware Config

Extracted

Family

matiex

Credentials

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

Targets

    • Target

      3d19bf2c34c0a658803fd2b97e5ec3290498f5f33498b5f529e66c6a3f28fff2

    • Size

      1.2MB

    • MD5

      6cfa223ff643d058218d1f12b57d26a7

    • SHA1

      ad3f357f1fe4ebdea553165f9066650adae0b962

    • SHA256

      3d19bf2c34c0a658803fd2b97e5ec3290498f5f33498b5f529e66c6a3f28fff2

    • SHA512

      b3ccc45e1bd360c17c886ae3f4e0895709885f1d1769e15738e497efc01bc66151b488a1c6c69d03f7b80ea844dc3fee9d9f22b5ad40db5a0757738adfe3d2cb

    • Matiex

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

    • Matiex Main Payload

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • 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 Enterprise v6

Tasks