Analysis

  • max time kernel
    139s
  • max time network
    113s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    03/11/2020, 06:27

General

  • Target
    New_Order #20201103_004178.exe
  • Size 894KB
  • Sample201103-ry3l1w23yn
  • SHA256 6014abff3f883feb405938f546265bc9d6fd5a0397778d10fbbcf7e7a04370af
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    smtp.yandex.com

  • Port

    587

  • Password

    Great@12345

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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\New_Order #20201103_004178.exe
    "C:\Users\Admin\AppData\Local\Temp\New_Order #20201103_004178.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3336
    • C:\Users\Admin\AppData\Local\Temp\New_Order #20201103_004178.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3388

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/3336-7-0x0000000008FB0000-0x0000000008FC6000-memory.dmp

        memory/3336-9-0x0000000009AC0000-0x0000000009AC1000-memory.dmp

        memory/3336-4-0x0000000005A80000-0x0000000005A81000-memory.dmp

        memory/3336-5-0x0000000005B80000-0x0000000005B81000-memory.dmp

        memory/3336-6-0x00000000093F0000-0x00000000093F1000-memory.dmp

        memory/3336-0-0x0000000073970000-0x000000007405E000-memory.dmp

        memory/3336-8-0x0000000009330000-0x00000000093E7000-memory.dmp

        memory/3336-3-0x0000000005F80000-0x0000000005F81000-memory.dmp

        memory/3336-1-0x0000000000FC0000-0x0000000000FC1000-memory.dmp

        memory/3388-13-0x0000000073970000-0x000000007405E000-memory.dmp

        memory/3388-10-0x0000000000400000-0x000000000043C000-memory.dmp

        memory/3388-18-0x0000000005D40000-0x0000000005D41000-memory.dmp

        memory/3388-19-0x00000000064C0000-0x00000000064C1000-memory.dmp