General

  • Target

    20092024_0134_x.exe

  • Size

    1.1MB

  • Sample

    240920-bzhtdssbka

  • MD5

    405a1fdf46b8dedb3ffddab68c208943

  • SHA1

    53d054bc36633bdd9793410458a131f259e5ff33

  • SHA256

    f9b8c466f15a5c19bab984e121fc6f9c49bbed94b54ac5a2dd44dd4f676a78e8

  • SHA512

    6a9e7210ecc7ef3db63521cbefb0b5616a19ee1f159a2bb9c905933d7be09dede4cca064cd6edbf724d7165176ae426e161767507d5fa884f104604bbf8891ac

  • SSDEEP

    24576:jkcL46wGlmCQ4dviIbWBFREfuFlFnP06vtSRDZZdI39v5SPfWxtPtnwpZz2MXMGq:jQnrIxf2dsjrMSehaaVt

Malware Config

Extracted

Credentials

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

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      20092024_0134_x.exe

    • Size

      1.1MB

    • MD5

      405a1fdf46b8dedb3ffddab68c208943

    • SHA1

      53d054bc36633bdd9793410458a131f259e5ff33

    • SHA256

      f9b8c466f15a5c19bab984e121fc6f9c49bbed94b54ac5a2dd44dd4f676a78e8

    • SHA512

      6a9e7210ecc7ef3db63521cbefb0b5616a19ee1f159a2bb9c905933d7be09dede4cca064cd6edbf724d7165176ae426e161767507d5fa884f104604bbf8891ac

    • SSDEEP

      24576:jkcL46wGlmCQ4dviIbWBFREfuFlFnP06vtSRDZZdI39v5SPfWxtPtnwpZz2MXMGq:jQnrIxf2dsjrMSehaaVt

    • AgentTesla

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

    • ModiLoader, DBatLoader

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

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • 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

    • Legitimate hosting services abused for malware hosting/C2

    • 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