General

  • Target

    eb03c5a0e34543a3953a2cbc2c043ef8bc46f73222881bcf250f50295a3fcd53

  • Size

    1.3MB

  • Sample

    241109-bysbfaxjcl

  • MD5

    7cfb4f45b09356fe91d70b2a1e814dc5

  • SHA1

    7ead9913e5072fba488f91227bd816d7d7b1fad2

  • SHA256

    eb03c5a0e34543a3953a2cbc2c043ef8bc46f73222881bcf250f50295a3fcd53

  • SHA512

    279ff37254f88eb629bd07e27007987a4dfbff8ee45da2c65815fd69a33c1f20a03cb09478c143cc4586732ccb9e2545f7b1842e10a9330255dddd4757556d57

  • SSDEEP

    24576:Z2UQlS3rdEooqXXrKZmET6smDKGMYULltywNhRx:8MheZCsmDKxdLltykB

Malware Config

Extracted

Credentials

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

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      eb03c5a0e34543a3953a2cbc2c043ef8bc46f73222881bcf250f50295a3fcd53

    • Size

      1.3MB

    • MD5

      7cfb4f45b09356fe91d70b2a1e814dc5

    • SHA1

      7ead9913e5072fba488f91227bd816d7d7b1fad2

    • SHA256

      eb03c5a0e34543a3953a2cbc2c043ef8bc46f73222881bcf250f50295a3fcd53

    • SHA512

      279ff37254f88eb629bd07e27007987a4dfbff8ee45da2c65815fd69a33c1f20a03cb09478c143cc4586732ccb9e2545f7b1842e10a9330255dddd4757556d57

    • SSDEEP

      24576:Z2UQlS3rdEooqXXrKZmET6smDKGMYULltywNhRx:8MheZCsmDKxdLltykB

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • Agenttesla family

    • 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