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General

  • Target

    1e04777d5df8153710660615cc90aad2ad0eff8705f13dca926a3b31d34c70f1

  • Size

    219KB

  • Sample

    240606-crzydaef6t

  • MD5

    9e3e62e59a79ed00da2a3f311f899689

  • SHA1

    8f624d3d40bacf98f5310eac8402c7a54f62518a

  • SHA256

    1e04777d5df8153710660615cc90aad2ad0eff8705f13dca926a3b31d34c70f1

  • SHA512

    52ea87f574a5b399d8accf0bfab53050f97598f522cd686caeaea034471a8030a089d9c39dedda726451846fe09e70477c8e272a4cdcc674788bef74ab1b0410

  • SSDEEP

    3072:uzJNjggfyKg0KggLV0FOhJirBwtHwwEJx5Ehl/Qs7GzrlKFHZWazC3ayZyn+q/wC:yH10CtAbv

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    aprtrit.shop
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    GThc}*t4(mJc

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      1e04777d5df8153710660615cc90aad2ad0eff8705f13dca926a3b31d34c70f1

    • Size

      219KB

    • MD5

      9e3e62e59a79ed00da2a3f311f899689

    • SHA1

      8f624d3d40bacf98f5310eac8402c7a54f62518a

    • SHA256

      1e04777d5df8153710660615cc90aad2ad0eff8705f13dca926a3b31d34c70f1

    • SHA512

      52ea87f574a5b399d8accf0bfab53050f97598f522cd686caeaea034471a8030a089d9c39dedda726451846fe09e70477c8e272a4cdcc674788bef74ab1b0410

    • SSDEEP

      3072:uzJNjggfyKg0KggLV0FOhJirBwtHwwEJx5Ehl/Qs7GzrlKFHZWazC3ayZyn+q/wC:yH10CtAbv

    • AgentTesla

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

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • 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