General

  • Target

    300920240059x.exe

  • Size

    1.4MB

  • Sample

    240930-kc4l1szcnc

  • MD5

    81c067dc4e31a48f590f84ed0baf221c

  • SHA1

    fa83ebb45efa14f0f88f0f00cf63bc9a46880911

  • SHA256

    3fc1433cd0c6745b46ddc85b7fdde0d73ef45821af2a2b8d16cbc2c19df92fff

  • SHA512

    02ef9c19fb21ba427ab01ad5412b7b45a0ee8a86d178e149c63ab6b76469892851ecf5e3934b79b1865590ac014a31a6f2603e8e53cfd759b8a7398c5a0ba1bb

  • SSDEEP

    24576:yDE6kndjL6i8soGiR01lqY21j+qP3THodi3PGy7:yAhtaA2x+83zodij

Malware Config

Extracted

Credentials

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

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      300920240059x.exe

    • Size

      1.4MB

    • MD5

      81c067dc4e31a48f590f84ed0baf221c

    • SHA1

      fa83ebb45efa14f0f88f0f00cf63bc9a46880911

    • SHA256

      3fc1433cd0c6745b46ddc85b7fdde0d73ef45821af2a2b8d16cbc2c19df92fff

    • SHA512

      02ef9c19fb21ba427ab01ad5412b7b45a0ee8a86d178e149c63ab6b76469892851ecf5e3934b79b1865590ac014a31a6f2603e8e53cfd759b8a7398c5a0ba1bb

    • SSDEEP

      24576:yDE6kndjL6i8soGiR01lqY21j+qP3THodi3PGy7:yAhtaA2x+83zodij

    • 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.

    • 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