威胁数据库 特洛伊木马 Trojan.Agent.NIS

Trojan.Agent.NIS

威胁评分卡

威胁级别: 80 % (高的)
受感染的计算机: 2
初见: October 3, 2026
最后一次露面: October 19, 2026
受影响的操作系统: Windows

Trojan.Agent.NIS是一种恶意程序,被归类为木马程序,专门针对运行 Windows 系统的计算机。与此类威胁中的大多数一样,它旨在悄无声息地渗透系统,隐藏自身存在,并在用户不知情或未经同意的情况下在后台执行有害操作。安全研究人员认为它是一种高风险感染,因为它一旦安装即可执行多种破坏性活动。

Trojan.Agent.NIS 的作用

一旦在计算机上激活,Agent.NIS 便会在后台静默运行,执行恶意操作。它伪装成合法的 Windows 组件,文件细节模仿核心系统进程,从而巧妙地融入系统,避免引起用户注意。该木马能够访问存储的用户数据,例如用户名和计算机名,并且可以与 Windows 剪贴板交互,从而可能泄露复制的文本和敏感信息。它还会建立网络连接,用于与远程服务器通信、接收进一步指令或将其他威胁下载到受感染的计算机上。为了维持自身存在,Agent.NIS 会创建计划任务,在用户每次登录时自动重新启动其可执行文件,确保即使在系统重启后也能继续运行。在许多情况下,这类木马能够赋予攻击者对受感染系统的高度控制权,允许他们删除文件、安装其他恶意软件,并以未经所有者授权的方式操纵计算机。

它通常是如何进入电脑的

Agent.NIS 通常通过欺骗或机会主义手段传播,而非直接攻击。它通常利用未修补的系统漏洞和安全缺陷,以及过时的软件来安装自身。它也可能与从不可信或恶意网站下载的软件捆绑在一起,或者隐藏在来自未知或不受信任发件人的电子邮件附件中。这些附件并非总是显而易见的危险文件类型;它们可能伪装成可执行文件、媒体文件,甚至是图像文件,诱骗用户打开。

用户面临的风险

由于这种木马程序能够赋予攻击者对受感染系统的广泛控制权,因此风险十分严重。潜在后果包括个人信息被盗、文件未经授权访问、安装其他恶意软件(例如密码窃取程序或挖矿程序)、数据丢失或损坏以及系统性能下降。任何涉及剪贴板或已存储用户凭据的活动都可能导致敏感数据(包括密码或财务信息)被截获并发送给攻击者。

感染迹象

此类感染旨在保持隐蔽,但用户可能会注意到一些警告信号,例如启动文件夹中出现意外的新文件、不熟悉的计划任务、异常的网络活动、系统性能缓慢、后台运行着无法解释的新进程,或者安全工具被阻止或禁用。

如何做好防护

用户可以通过保持 Windows 操作系统和所有已安装软件的更新,以修复已知的安全漏洞,从而降低风险。此外,明智的做法是避免从非官方或可疑网站下载程序,切勿打开来自未知发件人的电子邮件附件,并对任何来路不明的文件保持谨慎,即使它看起来是无害的文档或图像。运行最新的安全软件、定期进行系统扫描以及维护重要文件的备份,可以进一步帮助检测和减少 Trojan.Agent.NIS 等威胁造成的损害。

分析报告

一般信息

姓: Trojan.Agent.NIS
签名状态: No Signature

已知样本

MD5: 914f93f9191327a9a454b6eb0cafdde1
SHA1: ef154e3903f84845257d1eb5b60e7260a8ee7a68
SHA256: 2E2DE2A9175351644FC9DBE395F4F813FE8E7D57B8E85A168E614ED09A424A01
文件大小: 2.30 MB,2297856字节

Windows 可移植可执行文件属性

  • File doesn't have "Rich" header
  • File doesn't have debug information
  • File doesn't have exports table
  • File doesn't have security information
  • File has TLS information
  • File is 64-bit executable
  • File is either console or GUI application
  • File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
  • File is Native application (NOT .NET application)
  • File is not packed
显示更多
  • IMAGE_FILE_DLL is not set inside PE header (Executable)
  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

Windows PE 版本信息

姓名 价值
Company Name Microsoft Corporation
File Description Windows Runtime Broker
File Version 10.0.19041.1 (WinBuild.160101.0800)
Internal Name RuntimeBroker
Legal Copyright © Microsoft Corporation. All rights reserved.
Original Filename RuntimeBroker.exe
Product Name Microsoft® Windows® Operating System
Product Version 10.0.19041.1

文件特征

  • CryptUnprotectData
  • x64

区块信息

总区块数: 13,634
潜在恶意块: 1,844
白名单区块: 11,790
未知区块: 0

可视化地图

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... 数据已截断
0 - 可能的保险箱
? - 未知区块
x - 潜在恶意拦截

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显示更多
  • PSW.Agent.TUK

文件已修改

文件 属性
c:\users\user\appdata\roaming\microsoft\windows\start menu\programs\startup\svcruntimemtx.exe Generic Read,Write Data,Write Attributes,Write extended,Append data,Delete,LEFT 262144
c:\users\user\appdata\roaming\microsoft\windows\start menu\programs\startup\svcruntimemtx.exe Synchronize,Write Attributes
c:\users\user\appdata\roaming\programs\svcruntimemtx\svcruntimemtx.exe Generic Read,Write Data,Write Attributes,Write extended,Append data,Delete,LEFT 262144

注册表修改

键::值 数据 API名称
HKCU\software\microsoft\windows\currentversion\run::svcruntimemtx "C:\Users\Pyaatmuk\AppData\Roaming\Programs\SvcRuntimeMtx\SvcRuntimeMtx.exe" RegNtPreCreateKey

Windows API 使用情况

类别 API
Syscall Use
  • ntdll.dll!NtAccessCheck
  • ntdll.dll!NtAlertThreadByThreadId
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtAssociateWaitCompletionPacket
  • ntdll.dll!NtCancelWaitCompletionPacket
  • ntdll.dll!NtClearEvent
  • ntdll.dll!NtClose
  • ntdll.dll!NtConnectPort
  • ntdll.dll!NtCreateEvent
显示更多
  • ntdll.dll!NtCreateKey
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtCreateThreadEx
  • ntdll.dll!NtDeviceIoControlFile
  • ntdll.dll!NtDuplicateToken
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtMapViewOfSection
  • ntdll.dll!NtNotifyChangeKey
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenKeyEx
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtOpenProcessTokenEx
  • ntdll.dll!NtOpenSection
  • ntdll.dll!NtOpenThreadTokenEx
  • ntdll.dll!NtPowerInformation
  • ntdll.dll!NtProtectVirtualMemory
  • ntdll.dll!NtQueryAttributesFile
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationThread
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtQueryKey
  • ntdll.dll!NtQueryLicenseValue
  • ntdll.dll!NtQueryObject
  • ntdll.dll!NtQueryPerformanceCounter
  • ntdll.dll!NtQuerySecurityAttributesToken
  • ntdll.dll!NtQuerySecurityObject
  • ntdll.dll!NtQuerySystemInformation
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtRequestWaitReplyPort
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationObject
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationThread
  • ntdll.dll!NtSetInformationVirtualMemory
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtSetTimer2
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtWaitForAlertByThreadId
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWaitForWorkViaWorkerFactory
  • ntdll.dll!NtWaitLowEventPair
  • ntdll.dll!NtWorkerFactoryWorkerReady
  • ntdll.dll!NtWriteFile
  • ntdll.dll!NtYieldExecution
  • UNKNOWN
Anti Debug
  • IsDebuggerPresent
User Data Access
  • GetComputerName
  • GetUserName
  • OpenClipboard
Process Shell Execute
  • CreateProcess
Other Suspicious
  • SetWindowsHookEx
Network Winhttp
  • WinHttpConnect
  • WinHttpOpen
  • WinHttpOpenRequest

Shell命令执行

schtasks /create /tn "SvcRuntimeMtxTask" /tr "\"C:\Users\Pyaatmuk\AppData\Roaming\Programs\SvcRuntimeMtx\SvcRuntimeMtx.exe\"" /sc onlogon /rl highest /f
schtasks /create /tn "SvcRuntimeMtxTask" /tr "\"C:\Users\Pyaatmuk\AppData\Roaming\Programs\SvcRuntimeMtx\SvcRuntimeMtx.exe\"" /sc onlogon /f