Threat Database Trojans Trojan.MSIL.Krypt.MBR

Trojan.MSIL.Krypt.MBR

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 11,145
Threat Level: 80 % (High)
Infected Computers: 804
First Seen: July 10, 2021
Last Seen: May 28, 2026
OS(es) Affected: Windows

Analysis Report

General information

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

Known Samples

MD5: c4461c10dceb7824a747ed231cf4a4fa
SHA1: 326cdc611cac1a0876d28a4fc9f6169859b306ff
SHA256: 95DD21FD44D209358B363BE9017E47A18F2879533D8A118151C365A4E1554855
File Size: 1.38 MB, 1380352 bytes
MD5: 57f51e4e9a0664509159fb4d1b5c90eb
SHA1: 5e9fb890695ba1c344f232eca246046b0173ebda
SHA256: 5FC00C4EBBEA3882C39107A632AE7875A6FB3E20B7C2208CC3CBF6F696D439D5
File Size: 1.86 MB, 1856512 bytes
MD5: 23e074b7f189fe5e146a53e58447f2f0
SHA1: 1ce17afa9ea9c2eaa5e258234194d218f82a9b69
SHA256: 651D6B4EBB8204FCB17A9621F6659167C0039C2E176BC95A31342ACA7BF6FADD
File Size: 1.95 MB, 1946112 bytes
MD5: 9457dc4a4bbe77fb169a7a95ae7dcbbd
SHA1: 6cf74e936ec229e22e139d4a8d522489a783c6c9
SHA256: C6A3688607DED69731282D35A217E096993000F400982A0BE611FD85A0B647F8
File Size: 151.04 KB, 151040 bytes
MD5: fb0e357d699819ccb977fe653832472c
SHA1: c3436196eacd2471f907b4604a1eb833f7149416
SHA256: 0537F239350019BEE10B18E463FCFCDBFB0324AABB0491E51CD3172D6F03279D
File Size: 109.06 KB, 109056 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 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)
  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

File Icons

Windows PE Version Information

Name Value
Assembly Version
  • 2.0.0.38
  • 1.0.0.1
  • 1.0.0.0
Comments XtraTrustDSC
Company Name
  • NCR BRASIL
  • Púlsar Ingenieros Ltda.
  • XtraNet
File Description
  • FieldMapConTecTecnico
  • ProyectoVentasDeSOFT
  • Pulsar.DDJJCertifPDF
  • Sistema.Datos
  • XtraTrustDSC
File Version
  • 2.0.0.38
  • 1.0.0.1
  • 1.0.0.0
Internal Name
  • FieldMapConTec.exe
  • ProyectoVentasDeSOFT.exe
  • Pulsar.DDJJCertifPDF.exe
  • Sistema.Datos.exe
  • XtraTrustDSC.exe
Legal Copyright
  • Copyright © 2018
  • Copyright © 2020
  • Copyright © 2024
  • Copyright © NCR 2015
  • Copyright © Púlsar Ingenieros Ltda. 2010
Legal Trademarks XtraNet
Original Filename
  • FieldMapConTec.exe
  • ProyectoVentasDeSOFT.exe
  • Pulsar.DDJJCertifPDF.exe
  • Sistema.Datos.exe
  • XtraTrustDSC.exe
Product Name
  • FieldMapConTecTecnico
  • ProyectoVentasDeSOFT
  • Pulsar.DDJJCertifPDF
  • Sistema.Datos
  • XtraTrustDSC
Product Version
  • 2.0.0.38
  • 1.0.0.1
  • 1.0.0.0

File Traits

  • .NET
  • HighEntropy
  • x86

Block Information

Total Blocks: 19
Potentially Malicious Blocks: 1
Whitelisted Blocks: 12
Unknown Blocks: 6

Visual Map

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

Files Modified

File Attributes
\device\namedpipe\gmdasllogger Generic Write,Read Attributes
c:\windows\appcompat\programs\amcache.hve Read Data,Read Control,Write Data
c:\windows\appcompat\programs\amcache.hve Write Attributes

Registry Modifications

Key::Value Data API Name
HKLM\system\software\microsoft\tip\aggregateresults::data 鐄ȴ 鲱琶峟ʏ耀氅歿畦픋˹耀뫹躧픋˹➇ⵌ㭔隞̃ȁ耀꧌æC RegNtPreCreateKey

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAlpcConnectPort
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtClearEvent
  • ntdll.dll!NtClose
  • ntdll.dll!NtConnectPort
  • ntdll.dll!NtCreateEvent
  • ntdll.dll!NtCreateFile
  • ntdll.dll!NtCreateMutant
  • ntdll.dll!NtCreatePrivateNamespace
Show More
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtCreateSemaphore
  • ntdll.dll!NtCreateThreadEx
  • ntdll.dll!NtDeviceIoControlFile
  • ntdll.dll!NtDuplicateObject
  • ntdll.dll!NtEnumerateKey
  • ntdll.dll!NtEnumerateValueKey
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtMapViewOfSection
  • 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!NtReadFile
  • ntdll.dll!NtReleaseMutant
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtRequestWaitReplyPort
  • ntdll.dll!NtResumeThread
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationFile
  • ntdll.dll!NtSetInformationKey
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationThread
  • ntdll.dll!NtSetInformationVirtualMemory
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtUnmapViewOfSectionEx
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWaitForWorkViaWorkerFactory
  • ntdll.dll!NtWaitLowEventPair
  • ntdll.dll!NtWriteFile
  • UNKNOWN
User Data Access
  • GetComputerNameEx
  • GetUserDefaultLocaleName
  • GetUserObjectInformation
Anti Debug
  • IsDebuggerPresent
  • NtQuerySystemInformation
Encryption Used
  • BCryptOpenAlgorithmProvider
Keyboard Access
  • GetKeyState
Process Manipulation Evasion
  • NtUnmapViewOfSection
  • ReadProcessMemory
Process Shell Execute
  • CreateProcess

Shell Command Execution

C:\Windows\Microsoft.NET\Framework\v2.0.50727\\dw20.exe dw20.exe -x -s 820

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