Analysis

  • max time kernel
    145s
  • max time network
    148s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    06/10/2020, 06:32

General

  • Target
    167492-13243-13-img.exe
  • Size 618KB
  • Sample201006-h4m8np3msn
  • SHA256 c40de93b6a12855b8fe84ab03b11e849bf536cb3efa20bcc544b71998429bede
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    smtp.privateemail.com

  • Port

    587

  • Password

    $MKXG2eN$]mXD

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\167492-13243-13-img.exe
    "C:\Users\Admin\AppData\Local\Temp\167492-13243-13-img.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2460
    • C:\Users\Admin\AppData\Local\Temp\167492-13243-13-img.exe
      "C:\Users\Admin\AppData\Local\Temp\167492-13243-13-img.exe"
      2⤵
        PID:1416
      • C:\Users\Admin\AppData\Local\Temp\167492-13243-13-img.exe
        "C:\Users\Admin\AppData\Local\Temp\167492-13243-13-img.exe"
        2⤵
          PID:1408
        • C:\Users\Admin\AppData\Local\Temp\167492-13243-13-img.exe
          "C:\Users\Admin\AppData\Local\Temp\167492-13243-13-img.exe"
          2⤵
            PID:1532
          • C:\Users\Admin\AppData\Local\Temp\167492-13243-13-img.exe
            "C:\Users\Admin\AppData\Local\Temp\167492-13243-13-img.exe"
            2⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1564

        Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

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              Downloads

              memory/1564-0-0x0000000000400000-0x000000000043C000-memory.dmp