Analysis

  • max time kernel
    94s
  • max time network
    106s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    15/12/2020, 17:39

General

  • Target
    457c0297acb3c763b9497962dc440bc7.exe
  • Size 2.5MB
  • Sample201215-x9txvnl282
  • SHA256 f04d5b287971f60d5f04b262f3714a790b7d7c9b591ab88faa1d1f5244792d09
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    mail.innervisioninterior.com

  • Port

    587

  • Password

    #Up}oHhh,ZQ{

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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\457c0297acb3c763b9497962dc440bc7.exe
    "C:\Users\Admin\AppData\Local\Temp\457c0297acb3c763b9497962dc440bc7.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1192
    • C:\Users\Admin\AppData\Local\Temp\457c0297acb3c763b9497962dc440bc7.exe
      "C:\Users\Admin\AppData\Local\Temp\457c0297acb3c763b9497962dc440bc7.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2216

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1192-6-0x000000000A2F0000-0x000000000A2F1000-memory.dmp

        memory/1192-5-0x0000000009D50000-0x0000000009D51000-memory.dmp

        memory/1192-2-0x0000000073A80000-0x000000007416E000-memory.dmp

        memory/1192-7-0x0000000004C00000-0x0000000004C01000-memory.dmp

        memory/1192-8-0x0000000004B70000-0x0000000004B71000-memory.dmp

        memory/1192-9-0x0000000004BA0000-0x0000000004BDD000-memory.dmp

        memory/1192-3-0x0000000000150000-0x0000000000151000-memory.dmp

        memory/2216-10-0x0000000000400000-0x000000000043C000-memory.dmp

        memory/2216-13-0x0000000073A80000-0x000000007416E000-memory.dmp

        memory/2216-18-0x00000000059A0000-0x00000000059A1000-memory.dmp

        memory/2216-19-0x0000000006240000-0x0000000006241000-memory.dmp