Threat Database Trojans Trojan.MSIL.Downloader.IJCJ

Trojan.MSIL.Downloader.IJCJ

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 25,959
Threat Level: 80 % (High)
Infected Computers: 353
First Seen: August 16, 2022
Last Seen: March 2, 2026
OS(es) Affected: Windows

Analysis Report

General information

Family Name: Trojan.MSIL.Downloader.IJCJ
Signature status: No Signature

Known Samples

MD5: e89f9fb82416c2fdf47115f28e6c7f75
SHA1: d3c089cda860ddd25c617b8b58d1d1b3c6d8f55a
SHA256: 887C7E4CFC042677D081095642C35B28E961C3A2B79E06C2E84199618720E0E3
File Size: 530.94 KB, 530944 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)

File Icons

Windows PE Version Information

Name Value
Company Name Microsoft Corporation
File Description Win32 Cabinet Self-Extractor
File Version 11.00.17763.1 (WinBuild.160101.0800)
Internal Name Wextract
Legal Copyright © Microsoft Corporation. All rights reserved.
Original Filename WEXTRACT.EXE .MUI
Product Name Internet Explorer
Product Version 11.00.17763.1

File Traits

  • .NET
  • big overlay
  • x86

Block Information

Total Blocks: 93
Potentially Malicious Blocks: 33
Whitelisted Blocks: 60
Unknown Blocks: 0

Visual Map

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

Similar Families

  • Coinminer.QGA

Files Modified

File Attributes
c:\users\user\appdata\local\temp\ixp000.tmp\setup_~1.exe Generic Write,Read Attributes
c:\users\user\appdata\local\temp\ixp000.tmp\setup_~1.exe Synchronize,Write Attributes
c:\users\user\appdata\local\temp\ixp000.tmp\tmp4351$.tmp Generic Write,Read Attributes,Delete

Registry Modifications

Key::Value Data API Name
HKLM\software\microsoft\windows\currentversion\runonce::wextract_cleanup0 rundll32.exe C:\WINDOWS\system32\advpack.dll,DelNodeRunDLL32 "C:\Users\Eehldwgf\AppData\Local\Temp\IXP000.TMP\" RegNtPreCreateKey
HKLM\software\wow6432node\microsoft\tracing::enableconsoletracing RegNtPreCreateKey
HKLM\software\wow6432node\microsoft\tracing\rasapi32::enablefiletracing RegNtPreCreateKey
HKLM\software\wow6432node\microsoft\tracing\rasapi32::enableautofiletracing RegNtPreCreateKey
HKLM\software\wow6432node\microsoft\tracing\rasapi32::enableconsoletracing RegNtPreCreateKey
HKLM\software\wow6432node\microsoft\tracing\rasapi32::filetracingmask ￿ RegNtPreCreateKey
HKLM\software\wow6432node\microsoft\tracing\rasapi32::consoletracingmask ￿ RegNtPreCreateKey
HKLM\software\wow6432node\microsoft\tracing\rasapi32::maxfilesize  RegNtPreCreateKey
HKLM\software\wow6432node\microsoft\tracing\rasapi32::filedirectory %windir%\tracing RegNtPreCreateKey
HKLM\software\wow6432node\microsoft\tracing\rasmancs::enablefiletracing RegNtPreCreateKey
Show More
HKLM\software\wow6432node\microsoft\tracing\rasmancs::enableautofiletracing RegNtPreCreateKey
HKLM\software\wow6432node\microsoft\tracing\rasmancs::enableconsoletracing RegNtPreCreateKey
HKLM\software\wow6432node\microsoft\tracing\rasmancs::filetracingmask ￿ RegNtPreCreateKey
HKLM\software\wow6432node\microsoft\tracing\rasmancs::consoletracingmask ￿ RegNtPreCreateKey
HKLM\software\wow6432node\microsoft\tracing\rasmancs::maxfilesize  RegNtPreCreateKey
HKLM\software\wow6432node\microsoft\tracing\rasmancs::filedirectory %windir%\tracing RegNtPreCreateKey

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtClose
  • ntdll.dll!NtCreateKey
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtMapViewOfSection
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenKeyEx
  • ntdll.dll!NtOpenSection
Show More
  • ntdll.dll!NtPowerInformation
  • ntdll.dll!NtProtectVirtualMemory
  • ntdll.dll!NtQueryAttributesFile
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtQueryKey
  • ntdll.dll!NtQueryPerformanceCounter
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtReadRequestData
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationVirtualMemory
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtWaitForAlertByThreadId
  • ntdll.dll!NtWaitForWorkViaWorkerFactory
  • ntdll.dll!NtWriteFile
  • UNKNOWN
Process Shell Execute
  • CreateProcess
User Data Access
  • GetComputerName
  • GetUserDefaultLocaleName
  • GetUserObjectInformation
Anti Debug
  • NtQuerySystemInformation
Other Suspicious
  • AdjustTokenPrivileges
Network Winsock2
  • WSAConnect
  • WSASocket
  • WSAStartup
  • WSAttemptAutodialName
Network Winsock
  • closesocket
  • freeaddrinfo
  • getaddrinfo
  • recv
  • send
  • setsockopt
Network Winhttp
  • WinHttpOpen
Network Info Queried
  • GetAdaptersAddresses
  • GetNetworkParams

Shell Command Execution

C:\Users\Eehldwgf\AppData\Local\Temp\IXP000.TMP\SETUP_~1.EXE

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