Threat Database Trojans Trojan.MSIL.Webshell.BS

Trojan.MSIL.Webshell.BS

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 27,894
Threat Level: 80 % (High)
Infected Computers: 7
First Seen: July 26, 2024
Last Seen: March 6, 2026
OS(es) Affected: Windows

Analysis Report

General information

Family Name: Trojan.MSIL.Webshell.BS
Signature status: No Signature

Known Samples

MD5: 90feb6fb989ab27335cde9c3d10d1b15
SHA1: e2b49287a496b0efe4269f2da23f92e60b131328
SHA256: 755B9C2108364DAC99BCEC4BD79650D1D5DF79BFF04937E5BB80DBD51D1749C0
File Size: 265.73 KB, 265728 bytes

Windows Portable Executable Attributes

  • File doesn't have "Rich" header
  • File doesn't have exports table
  • File doesn't have security information
  • File is .NET application
  • File is 32-bit executable
  • File is console application (IMAGE_SUBSYSTEM_WINDOWS_CUI)
  • File is either console or GUI application
  • File is not packed
  • IMAGE_FILE_DLL is not set inside PE header (Executable)
  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

File Traits

  • .NET
  • dll
  • x86

Block Information

Total Blocks: 601
Potentially Malicious Blocks: 32
Whitelisted Blocks: 279
Unknown Blocks: 290

Visual Map

x 0 0 ? ? ? ? ? ? ? ? ? ? ? ? x ? ? ? ? ? ? ? ? ? ? ? ? ? ? x ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? x ? ? ? ? ? ? ? ? ? ? ? ? ? 0 0 0 0 ? ? ? ? ? ? ? 0 ? ? ? 0 ? ? 0 ? ? ? ? ? ? x ? ? 0 ? ? ? ? ? ? ? ? ? ? ? ? ? 0 ? ? ? ? ? ? ? 0 0 x 0 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 x 0 0 0 0 x 0 0 0 0 0 0 0 0 0 0 0 0 0 ? 0 0 0 0 0 0 0 x 0 0 0 0 0 0 0 0 0 ? 0 0 0 0 0 0 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 x 0 0 0 0 x 0 0 0 0 0 0 0 0 0 0 x 0 0 0 0 0 0 0 0 0 0 ? ? x ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 0 0 x ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? x x 0 ? ? ? ? ? ? ? ? ? ? ? ? ? ? x ? ? ? ? ? ? ? ? ? 0 ? 0 ? ? ? ? ? ? ? ? ? ? ? ? x ? ? ? x x 0 ? 0 ? 0 0 ? ? 0 ? ? 0 ? ? 0 ? ? 0 0 ? ? x 0 ? ? ? ? x 0 ? x 0 ? x ? ? 0 0 ? 0 ? ? ? ? ? ? ? ? ? ? ? ? ? ? 0 ? ? 0 ? ? x 0 ? ? ? 0 ? ? x 0 ? ? ? ? ? ? ? x ? ? ? ? ? x 0 ? ? ? ? 0 x ? 0 0 x 0 0 0 ? ? ? 0 ? ? ? ? ? ? 0 ? ? ? 0 0 0 0
0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAccessCheck
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtClose
  • ntdll.dll!NtConnectPort
  • ntdll.dll!NtCreateMutant
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtDuplicateToken
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtMapViewOfSection
Show More
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenKeyEx
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtOpenProcessTokenEx
  • ntdll.dll!NtOpenSection
  • ntdll.dll!NtOpenSemaphore
  • ntdll.dll!NtOpenThreadTokenEx
  • ntdll.dll!NtProtectVirtualMemory
  • ntdll.dll!NtQueryAttributesFile
  • ntdll.dll!NtQueryDebugFilterState
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationThread
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtQueryKey
  • ntdll.dll!NtQueryPerformanceCounter
  • ntdll.dll!NtQuerySecurityAttributesToken
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtQueryVolumeInformationFile
  • ntdll.dll!NtQueryWnfStateData
  • ntdll.dll!NtReleaseMutant
  • ntdll.dll!NtReleaseSemaphore
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtRequestWaitReplyPort
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationVirtualMemory
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtSubscribeWnfStateChange
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtUnmapViewOfSectionEx
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWaitLowEventPair
  • ntdll.dll!NtWriteFile
  • UNKNOWN

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