威胁数据库 特洛伊木马 Trojan.Downloader.Gen.ATN

Trojan.Downloader.Gen.ATN

Trojan.Downloader.Gen.ATN是一个通用检测名称,用于识别一种被归类为下载器的木马恶意软件。使用此通用名称检测到的威胁通常具有常见的恶意代码模式或行为,这些模式或行为与旨在秘密下载其他恶意文件并将其安装到受害者计算机上的程序相关。由于这是一个通用检测名称,因此感染了 Trojan.Downloader.Gen.ATN 的特定计算机可能运行着许多行为略有不同的变种,但其核心目的保持不变:充当进一步感染的入口。

这种威胁会造成什么影响?

与典型的木马下载器一样,Trojan.Downloader.Gen.ATN 本身并不旨在造成直接的、可见的损害。相反,它的主要任务是悄悄连接到网络犯罪分子控制的远程服务器,并获取其他恶意载荷。这些载荷可能包括其他木马、勒索软件、间谍软件、广告软件或其他不需要的程序。一旦下载了这些额外的恶意软件,木马通常会在没有任何可见提示或警告的情况下将其安装,从而使这些次要威胁能够执行其自身的破坏活动,例如窃取数据、加密文件或劫持系统资源。

此类木马程序通常会试图在受感染的系统中建立持久性,这意味着它们会努力确保即使计算机重启后也能继续运行。它们还可能试图禁用或绕过安全软件,以避免被检测和清除,这是下载型木马程序的常见特征。

它通常是如何进入电脑的

与大多数木马程序一样,这种威胁通常依靠欺骗而非单纯利用技术漏洞。木马下载器常见的感染方式包括:伪装成合法文档或发票的恶意电子邮件附件、来自非官方或盗版软件来源的捆绑下载、虚假的软件更新以及被入侵或恶意网站上的欺骗性链接。用户往往会被诱骗打开或运行受感染的文件,误以为它是无害或有用的软件。

用户面临的风险

系统中存在木马下载器会带来重大风险,因为它会打开通往其他潜在更具破坏性的感染的大门。根据所携带的其他恶意软件种类,用户可能会遭遇数据盗窃、经济损失、身份盗窃、系统不稳定,甚至个人敏感信息完全泄露。由于下载的有效载荷可能各不相同,因此在初始感染时,损害的程度往往难以预测。

感染迹象

由于木马下载器旨在隐蔽运行,因此可能几乎没有或根本没有明显的症状。但是,用户可能会注意到异常的网络活动、系统性能意外下降、系统中出现陌生的程序、弹出窗口增多或浏览器重定向,或者安全软件意外禁用。任何这些迹象都可能表明存在此类或类似的威胁。

如何做好防护

为了降低感染风险,用户应避免从不可信或非官方来源下载软件,谨慎对待来自未知发件人的电子邮件附件和链接,并及时更新操作系统和应用程序,安装最新的安全补丁。定期备份重要数据,并使用信誉良好的安全工具扫描威胁,也有助于在木马程序下载更多恶意代码之前将其清除。保持警惕并及时了解相关信息,仍然是抵御此类威胁最有效的防御措施之一。

分析报告

一般信息

姓: Trojan.Downloader.Gen.ATN
签名状态: No Signature

已知样本

MD5: 63c9f9f9f300984dd59791f1c589e98c
SHA1: dcf0da520e51f2b7a432ab4a5be2b222148cae1c
SHA256: DB13C42B90DE58E9E12A98D6FEE80DE1B41846D065F06791CD06E6DEF110DC30
文件大小: 476.16 KB,476160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 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
  • IMAGE_FILE_DLL is not set inside PE header (Executable)
显示更多
  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

文件图标

Windows PE 版本信息

姓名 价值
Comments Flavor=Retail
Company Name Microsoft Corporation
File Description ClickOnce
File Version 4.8.4084.0 built by: NET48REL1
Internal Name dfsvc.exe
Legal Copyright © Microsoft Corporation. All rights reserved.
Original Filename dfsvc.exe
Private Build DDBLD502
Product Name Microsoft® .NET Framework
Product Version 4.8.4084.0

文件特征

  • fptable
  • x64

区块信息

总区块数: 1,972
潜在恶意块: 104
白名单区块: 1,833
未知区块: 35

可视化地图

0 0 0 0 0 ? ? ? 0 0 0 x 0 0 x x x x x 0 x x x x ? x x x x 0 0 x x x x x ? ? x ? ? x ? ? 0 x ? ? ? ? ? ? ? x ? ? ? x ? ? ? ? ? ? ? ? x x x x 0 x x x x x x x x x x x x 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 x x x 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ? x 0 0 x x x ? ? x ? 0 x 0 0 0 x 0 x 0 x 0 x 0 x 0 x 0 x 0 x 0 x 0 x 0 x 0 x 0 x 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 x 0 0 ? x ? 0 0 ? 0 0 0 0 0 0 0 0 0 x 0 0 0 0 x x x x x x x x x x 0 x 0 x x x x x x x x x x x x x x x x x x x x x x x x x x x x 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 2 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0
0 - 可能的保险箱
? - 未知区块
x - 潜在恶意拦截

相似家庭

文件已修改

文件 属性
\device\namedpipe\kk1aegld7g\pipe\srvsvc Generic Read,Write Data,Write Attributes,Write extended,Append data

Windows API 使用情况

类别 API
Syscall Use
  • ntdll.dll!NtAdjustPrivilegesToken
  • ntdll.dll!NtAlpcConnectPort
  • ntdll.dll!NtAlpcConnectPortEx
  • ntdll.dll!NtAlpcCreateSecurityContext
  • ntdll.dll!NtAlpcQueryInformation
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtClose
  • ntdll.dll!NtCreateEvent
  • ntdll.dll!NtCreateNamedPipeFile
显示更多
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtCreateSemaphore
  • ntdll.dll!NtCreateUserProcess
  • ntdll.dll!NtDeviceIoControlFile
  • ntdll.dll!NtDuplicateObject
  • ntdll.dll!NtDuplicateToken
  • ntdll.dll!NtEnumerateValueKey
  • ntdll.dll!NtFlushBuffersFile
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtFsControlFile
  • ntdll.dll!NtMapViewOfSection
  • ntdll.dll!NtOpenDirectoryObject
  • ntdll.dll!NtOpenEvent
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenKeyEx
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtOpenSection
  • ntdll.dll!NtOpenThreadToken
  • ntdll.dll!NtPrivilegeCheck
  • ntdll.dll!NtProtectVirtualMemory
  • ntdll.dll!NtQueryAttributesFile
  • ntdll.dll!NtQueryEvent
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationThread
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtQueryKey
  • ntdll.dll!NtQueryPerformanceCounter
  • ntdll.dll!NtQuerySecurityAttributesToken
  • ntdll.dll!NtQuerySecurityObject
  • ntdll.dll!NtQuerySystemInformation
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryWnfStateData
  • ntdll.dll!NtReleaseMutant
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationThread
  • ntdll.dll!NtSetInformationVirtualMemory
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtWaitForAlertByThreadId
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWaitForWorkViaWorkerFactory
  • ntdll.dll!NtWaitLowEventPair
  • ntdll.dll!NtWriteFile
  • UNKNOWN
Anti Debug
  • NtQuerySystemInformation
User Data Access
  • GetComputerNameEx
Other Suspicious
  • AdjustTokenPrivileges