General

  • Target

    malw.GZ

  • Size

    949KB

  • Sample

    241127-hszlwsspey

  • MD5

    e03958d8be1c86d13809017c9df1b774

  • SHA1

    3d064aa9ce1c26f0e0fff1251150467260fe87d8

  • SHA256

    9ad05e28fec2e97732380986f8b645298d6cce8c1e4e8ca27d3ddf89cc05426e

  • SHA512

    a3d8efc3e6b101303ff3eb712ce7222b5d7e42fc408f0f90013f08b72155fdb18a5ad6b896a40680d2eaeb460a0fcd2841bff81c925c611805598ace6bce781d

  • SSDEEP

    24576:x0v1fers4iESTpLQw/REdhakd0NCsoDqT0u5Twb2ZRIiIONNQVhM+h:+9AspLQw0hakdCCqTD5Twb2ZgONNUJ

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    s82.gocheapweb.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    london@1759

Targets

    • Target

      malw.GZ

    • Size

      949KB

    • MD5

      e03958d8be1c86d13809017c9df1b774

    • SHA1

      3d064aa9ce1c26f0e0fff1251150467260fe87d8

    • SHA256

      9ad05e28fec2e97732380986f8b645298d6cce8c1e4e8ca27d3ddf89cc05426e

    • SHA512

      a3d8efc3e6b101303ff3eb712ce7222b5d7e42fc408f0f90013f08b72155fdb18a5ad6b896a40680d2eaeb460a0fcd2841bff81c925c611805598ace6bce781d

    • SSDEEP

      24576:x0v1fers4iESTpLQw/REdhakd0NCsoDqT0u5Twb2ZRIiIONNQVhM+h:+9AspLQw0hakdCCqTD5Twb2ZgONNUJ

    • ModiLoader, DBatLoader

      ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

    • Modiloader family

    • ModiLoader Second Stage

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • 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.

    • Adds Run key to start application

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks