Threat Database Trojans Trojan.MSIL.Krypt.VDB

Trojan.MSIL.Krypt.VDB

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 15,263
Threat Level: 80 % (High)
Infected Computers: 16
First Seen: November 8, 2021
Last Seen: April 2, 2026
OS(es) Affected: Windows

Analysis Report

General information

Family Name: Trojan.MSIL.Krypt.VDB
Signature status: No Signature

Known Samples

MD5: 2cbaf81b97b9b95947e41f231d9ababd
SHA1: 14f4f3de581bf9e0ad0c0d8808553d44648faaba
SHA256: BB09C572CA05D65C6ACC9B7EAAE6595EAED43C6285AF21F8312ADEA068039A75
File Size: 91.90 KB, 91904 bytes
MD5: 2be2f6778afabffc021d800911d0c8e0
SHA1: 938cdfa6115172dfacb390edf082f48ac276f455
SHA256: DDCA0EFEABAC1C7A593DCFDA8CE5EF125DAC4CDEA2FF64AD38E2D6DB69BDD6C7
File Size: 49.15 KB, 49152 bytes
MD5: f26d0eac88e6170012edf688fb7a902b
SHA1: 9f0d2eaeb1bd5d8771e965376cbaf23d78e8c03a
SHA256: B82AFFA188315DBB45A7392BF2DEE1A9B166E10A87371C673F7BC0EBAD2CC527
File Size: 51.20 KB, 51200 bytes
MD5: eb38d8a73ab8e3b764bb5801bc5f442d
SHA1: 778a316f73847f8aa366a15b771d4afceb681a57
SHA256: 58BA72CE7DFD9166E3ABF498568E49A32C19A7C2760F813D883CCF04A5B706A9
File Size: 1.60 MB, 1598976 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 either console or GUI application
  • File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
  • 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)

Windows PE Version Information

Name Value
Assembly Version
  • 10.0.17763.1
  • 1.0.0.0
Comments CxApp
Company Name
  • CxApp
  • Microsoft Corporation
File Description
  • Client
  • CxApp
  • DDODiag is a tool that collects Device Display Object (DDO) information from the system and logs it
File Version
  • 10.0.17763.1
  • 1.0.0.0
Internal Name
  • Client.exe
  • DDODiag
  • Stub.exe
Legal Copyright
  • Copyright © 2024
  • Copyright © CxApp 2025
  • © Microsoft Corporation. All rights reserved.
Legal Trademarks CxApp
Original Filename
  • Client.exe
  • DDODiag
  • Stub.exe
Product Name
  • Client
  • CxApp
  • Microsoft® Windows® Operating System
Product Version
  • 10.0.17763.1
  • 1.0.0.0

Digital Signatures

Signer Root Status
JetBrains s.r.o. SSL.com EV Root Certification Authority RSA R2 Hash Mismatch

File Traits

  • .NET
  • Agile.net
  • Fody
  • HighEntropy
  • ntdll
  • Run
  • WriteProcessMemory
  • x86

Block Information

Total Blocks: 172
Potentially Malicious Blocks: 97
Whitelisted Blocks: 47
Unknown Blocks: 28

Visual Map

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

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAlertThreadByThreadId
  • ntdll.dll!NtAlpcConnectPortEx
  • ntdll.dll!NtAlpcQueryInformation
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtAssociateWaitCompletionPacket
  • ntdll.dll!NtCancelTimer2
  • ntdll.dll!NtCancelWaitCompletionPacket
  • ntdll.dll!NtClearEvent
  • ntdll.dll!NtClose
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  • ntdll.dll!NtCompareSigningLevels
  • ntdll.dll!NtCreateEvent
  • ntdll.dll!NtCreateFile
  • ntdll.dll!NtCreateIoCompletion
  • ntdll.dll!NtCreateMutant
  • ntdll.dll!NtCreatePrivateNamespace
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtCreateSemaphore
  • ntdll.dll!NtCreateThreadEx
  • ntdll.dll!NtCreateTimer2
  • ntdll.dll!NtCreateWaitCompletionPacket
  • ntdll.dll!NtCreateWorkerFactory
  • ntdll.dll!NtDeviceIoControlFile
  • ntdll.dll!NtDuplicateObject
  • ntdll.dll!NtEnumerateKey
  • ntdll.dll!NtEnumerateValueKey
  • ntdll.dll!NtFlushProcessWriteBuffers
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtGetCachedSigningLevel
  • ntdll.dll!NtMapViewOfSection
  • ntdll.dll!NtNotifyChangeKey
  • ntdll.dll!NtOpenDirectoryObject
  • ntdll.dll!NtOpenEvent
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenKeyEx
  • ntdll.dll!NtOpenProcess
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtOpenSection
  • ntdll.dll!NtOpenThreadToken
  • ntdll.dll!NtProtectVirtualMemory
  • ntdll.dll!NtQueryAttributesFile
  • ntdll.dll!NtQueryDefaultLocale
  • ntdll.dll!NtQueryDirectoryFileEx
  • ntdll.dll!NtQueryFullAttributesFile
  • ntdll.dll!NtQueryInformationFile
  • ntdll.dll!NtQueryInformationJobObject
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationThread
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtQueryKey
  • ntdll.dll!NtQueryLicenseValue
  • ntdll.dll!NtQueryPerformanceCounter
  • ntdll.dll!NtQuerySecurityAttributesToken
  • ntdll.dll!NtQuerySecurityObject
  • ntdll.dll!NtQuerySystemInformation
  • ntdll.dll!NtQuerySystemInformationEx
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtQueryVolumeInformationFile
  • ntdll.dll!NtQueryWnfStateData
  • ntdll.dll!NtReadFile
  • ntdll.dll!NtReadRequestData
  • ntdll.dll!NtReleaseMutant
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtResumeThread
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationKey
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationThread
  • ntdll.dll!NtSetInformationVirtualMemory
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtSetTimer2
  • ntdll.dll!NtSubscribeWnfStateChange
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtUnmapViewOfSectionEx
  • ntdll.dll!NtUnsubscribeWnfStateChange
  • ntdll.dll!NtWaitForAlertByThreadId
  • ntdll.dll!NtWaitForMultipleObjects
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWaitForWorkViaWorkerFactory
  • ntdll.dll!NtWaitLowEventPair
  • ntdll.dll!NtWorkerFactoryWorkerReady
  • ntdll.dll!NtWriteFile
  • ntdll.dll!NtYieldExecution
  • UNKNOWN
User Data Access
  • GetComputerNameEx
  • GetUserDefaultLocaleName
  • GetUserObjectInformation
Anti Debug
  • IsDebuggerPresent
Encryption Used
  • BCryptOpenAlgorithmProvider
  • CryptAcquireContext

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