General

  • Target

    23b47a050614d71d7081f8e0313c972e9e6b1df6c9eec10f59b6ee06d0506ec9

  • Size

    1.0MB

  • Sample

    241113-y9axvsyfqq

  • MD5

    bdc3b662d1136f20f51f55a0f6a2fb9d

  • SHA1

    ef8baad4f0f3f96e2d04f3c6cea1471bcd651008

  • SHA256

    23b47a050614d71d7081f8e0313c972e9e6b1df6c9eec10f59b6ee06d0506ec9

  • SHA512

    29036ced934c7668b072c811285761a2b4cdd562b2d269e50be767e8be27589117e84bf0f34b0323912a3dea4545dab9b9e5a6046c8beb36d15ef65056a88ad8

  • SSDEEP

    24576:/GBqWzMJ3rInJFhR1T6a3R6ZFlR+gKT44VoIOL7zk:/CHnca8YL6L

Malware Config

Extracted

Credentials

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

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      23b47a050614d71d7081f8e0313c972e9e6b1df6c9eec10f59b6ee06d0506ec9

    • Size

      1.0MB

    • MD5

      bdc3b662d1136f20f51f55a0f6a2fb9d

    • SHA1

      ef8baad4f0f3f96e2d04f3c6cea1471bcd651008

    • SHA256

      23b47a050614d71d7081f8e0313c972e9e6b1df6c9eec10f59b6ee06d0506ec9

    • SHA512

      29036ced934c7668b072c811285761a2b4cdd562b2d269e50be767e8be27589117e84bf0f34b0323912a3dea4545dab9b9e5a6046c8beb36d15ef65056a88ad8

    • SSDEEP

      24576:/GBqWzMJ3rInJFhR1T6a3R6ZFlR+gKT44VoIOL7zk:/CHnca8YL6L

    • 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