Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220721-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/08/2022, 09:47

General

  • Target
    SecuriteInfo.com.Trojan0056a1fe1.20738.exe
  • Size 290KB
  • Sample220809-lr7snagdep
  • SHA256 fcebb36035585f1e54deb8621271ebdf13ed6345f4e6a4e5ec6e1acbb7378161
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    smtp.nutiribio.com

  • Port

    587

  • Password

    zGNVO(l5

Signatures

  • AgentTesla

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

  • AgentTesla payload 1 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan0056a1fe1.20738.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan0056a1fe1.20738.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4868
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3200

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/3200-132-0x0000000000400000-0x000000000043C000-memory.dmp

        memory/3200-133-0x0000000005A00000-0x0000000005FA4000-memory.dmp

        memory/3200-134-0x0000000005500000-0x0000000005592000-memory.dmp

        memory/3200-135-0x0000000005730000-0x00000000057CC000-memory.dmp

        memory/3200-136-0x00000000064A0000-0x0000000006506000-memory.dmp

        memory/3200-137-0x0000000001560000-0x00000000015B0000-memory.dmp

        memory/3200-138-0x0000000006480000-0x000000000648A000-memory.dmp

        memory/4868-130-0x00000000005F0000-0x000000000063C000-memory.dmp