Threat Database Trojans Trojan.MSIL.Webshell.BX

Trojan.MSIL.Webshell.BX

By CagedTech in Trojans

Analysis Report

General information

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

Known Samples

MD5: 22018bf8549370d5933c0f24fa04a683
SHA1: 048b50a227a8122c3b1804f1e6e218a331e2e24f
SHA256: 86CFAB17A6EC232AA0C713A1B9A64C445C952FA7F88220379FDCCE1321F0E2A4
File Size: 242.69 KB, 242688 bytes

Windows Portable Executable Attributes

  • 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 .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)
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  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

File Traits

  • .NET
  • dll
  • x86

Block Information

Total Blocks: 649
Potentially Malicious Blocks: 277
Whitelisted Blocks: 190
Unknown Blocks: 182

Visual Map

0 0 x ? x ? x x ? ? x x ? ? ? x x 0 0 0 0 0 x x ? ? ? ? x ? 0 0 0 0 0 ? ? ? 0 0 x ? 0 x ? 0 0 x ? 0 0 x ? ? ? ? 0 0 x ? x x ? 0 0 x ? 0 0 x ? ? ? ? x x x ? ? x 0 0 0 0 0 x x x x x x ? ? ? 0 0 0 0 x x x x x x ? ? ? 0 0 0 0 0 x x x x x ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 0 0 0 0 0 x x x x x x 0 0 0 0 0 x 0 x x ? x x x x x x x x x x x x x x ? x 0 x ? x ? 0 x ? ? x x 0 x ? x x 0 x ? x x 0 x ? x x 0 x ? x x 0 x ? x x 0 x ? x x 0 x ? x x 0 x ? x x 0 x ? x x 0 x ? ? ? 0 x ? ? ? x x x ? ? x ? ? ? ? ? ? ? ? x x x x x ? 0 0 0 0 0 x 0 0 0 0 0 0 x x x x x 0 0 0 0 x 0 x 0 ? x x x x ? 0 0 0 ? ? 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 x x ? ? ? ? ? ? 0 0 x ? x 0 0 0 0 x x x x x x x ? ? ? ? ? x x ? 0 0 0 0 0 0 0 0 x x 0 ? 0 x x x 0 x x x 0 x x x 0 x x x 0 x ? 0 ? x 0 x ? ? ? ? x 0 0 0 0 0 x x x ? x 0 0 0 0 0 0 0 0 0 0 0 0 0 0 x ? ? 0 0 x ? x x x x ? 0 0 0 0 0 ? x x x x x 0 x ? 0 0 x ? ? x ? x ? ? x x x ? x x x x x x x ? 0 x ? 0 0 x ? ? x x x x x ? 0 0 0 0 0 x x ? x x ? 0 0 0 0 0 0 0 x x 0 0 0 0 x x 0 0 0 0 0 x x ? ? x x ? ? ? ? ? ? ? ? ? ? ? ? ? ? x x x x ? 0 0 0 0 0 0 x x x x x 0 0 0 0 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 0 0 0 ? x x 0 x x x 0 x x ? 0 x x ? 0 x x ? 0 x x x 0 x x x 0 x ? ? ? ? 0 ? 0 ? x x x x ? 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
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  • 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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