General

  • Target

    748f8374326b17ea325539e9175e39ccebc3f4e727687fd44a8e72ef766facc9

  • Size

    773KB

  • Sample

    241111-bxg43sspem

  • MD5

    c22676045df74ed317421ee8f9b025e9

  • SHA1

    9b284757f085b5e61061eedd4307eb342f2402a9

  • SHA256

    748f8374326b17ea325539e9175e39ccebc3f4e727687fd44a8e72ef766facc9

  • SHA512

    e31f6c75fbe51f75932ccb81331346bcfba0f34b33c84be622114f68b60b5808d749c954712313817bbc438033cd34db0ff3f785dc9c2aa2d6362f8b6dbb54f3

  • SSDEEP

    12288:clxWnhZfmV5lPs4KHOh7/aj5/dt3uKBDKLRPSFBdQOxqIsarBW25:uWn/fP4aOF/mDt3uKuKzx0ak

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    server200.web-hosting.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    lD41Ni;oI!o$1

Targets

    • Target

      748f8374326b17ea325539e9175e39ccebc3f4e727687fd44a8e72ef766facc9

    • Size

      773KB

    • MD5

      c22676045df74ed317421ee8f9b025e9

    • SHA1

      9b284757f085b5e61061eedd4307eb342f2402a9

    • SHA256

      748f8374326b17ea325539e9175e39ccebc3f4e727687fd44a8e72ef766facc9

    • SHA512

      e31f6c75fbe51f75932ccb81331346bcfba0f34b33c84be622114f68b60b5808d749c954712313817bbc438033cd34db0ff3f785dc9c2aa2d6362f8b6dbb54f3

    • SSDEEP

      12288:clxWnhZfmV5lPs4KHOh7/aj5/dt3uKBDKLRPSFBdQOxqIsarBW25:uWn/fP4aOF/mDt3uKuKzx0ak

    • AgentTesla

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

    • Agenttesla family

    • 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.

    • 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.

    • Looks up external IP address via web service

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks