General

  • Target
    fc623ee964b04e01193e86caae39697b7c8bf1e48e5baf6559300e15a0d20a71
  • Size 695KB
  • Sample260925-t244hs1cre
  • SHA256 fc623ee964b04e01193e86caae39697b7c8bf1e48e5baf6559300e15a0d20a71
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    mail.trimnt.com

  • Port

    587

  • Password

    s4=O8tsknbClU8b_

Extracted

Family
  • agenttesla

Credentials

Targets

    • Target
      Quotation Request 301372.bat
    • Size 767KB
    • SHA256 618c3358cdbfe74b7bbc5530796f215d6448957749a922b34bfd1d6a6ef8d721
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: AgentTesla

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

    • 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.

    • Accesses Microsoft Outlook profiles

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • 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 v16

Tasks