Threat Database Trojans Trojan.Downloader.JCA

Trojan.Downloader.JCA

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 27,984
Threat Level: 80 % (High)
Infected Computers: 2
First Seen: April 13, 2026
Last Seen: May 5, 2026
OS(es) Affected: Windows

Analysis Report

General information

Family Name: Trojan.Downloader.JCA
Signature status: No Signature

Known Samples

MD5: ebb746d8a79e9e178a1e90716fae4012
SHA1: 9362068c58b49c8ec4fbd9a5431757b87c7c42af
SHA256: 4243A07A064A798FBE49A4B33E667530038D78A4544CC0089900E3A2F470340F
File Size: 1.92 MB, 1916416 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 64-bit executable
  • 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
  • IMAGE_FILE_DLL is not set inside PE header (Executable)
  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

Windows PE Version Information

Name Value
Company Name Kai Schtrom
File Description DSE-Patcher
File Version 1.0.0.0
Internal Name DSE-Patcher.exe
Legal Copyright Copyright © Kai Schtrom 2022
Original Filename DSE-Patcher.exe
Product Name DSE-Patcher
Product Version 1.0.0.0

File Traits

  • HighEntropy
  • x64

Block Information

Total Blocks: 50
Potentially Malicious Blocks: 31
Whitelisted Blocks: 19
Unknown Blocks: 0

Visual Map

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

Similar Families

  • Downloader.JCA

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAddAtomEx
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtClose
  • ntdll.dll!NtConnectPort
  • ntdll.dll!NtCreateEvent
  • ntdll.dll!NtCreateMutant
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtMapViewOfSection
Show More
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenKeyEx
  • ntdll.dll!NtOpenSection
  • ntdll.dll!NtProtectVirtualMemory
  • ntdll.dll!NtQueryAttributesFile
  • ntdll.dll!NtQueryInformationFile
  • 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!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtQueryVolumeInformationFile
  • ntdll.dll!NtReadRequestData
  • ntdll.dll!NtReleaseMutant
  • ntdll.dll!NtRequestWaitReplyPort
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationThread
  • ntdll.dll!NtSetInformationVirtualMemory
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtTerminateProcess
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtWaitForMultipleObjects
  • ntdll.dll!NtWaitLowEventPair
  • ntdll.dll!NtWriteFile
  • UNKNOWN

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