Threat Database Trojans Trojan.MSIL.Agent.ASI

Trojan.MSIL.Agent.ASI

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 26,335
Threat Level: 80 % (High)
Infected Computers: 75
First Seen: December 13, 2022
Last Seen: March 6, 2026
OS(es) Affected: Windows

Analysis Report

General information

Family Name: Trojan.MSIL.Agent.ASI
Signature status: No Signature

Known Samples

MD5: cb85a35adc279492f4c6675bed7c0f8d
SHA1: 8d1816d1bff0038b8474510b602d6820907a5dc4
File Size: 10.24 KB, 10240 bytes
MD5: 9d5d49e265686aecf4dadad4b84ac84e
SHA1: ce0adcb75a21eaf3d71953825dd9015015659257
SHA256: BFDE3A03CD68825526C8AE4AF11C684DB629EEB6ED3982DD6AE44955ADBE9BED
File Size: 11.26 KB, 11264 bytes
MD5: abde412d4786ee3d4938a7f1684d0099
SHA1: ed2a86fbaf57edc624f1e26424bec9490fbca47b
SHA256: FFDAFFAB5125CF040B9AACAE14F49B92F4EA9A2557BECE0D9B885B76BEC30CB1
File Size: 19.97 KB, 19968 bytes
MD5: a6149c36e001768528ed00bc1f05735a
SHA1: 856dce0740ccdda064118913ece9abf4d285f584
SHA256: 01A19E921C5185F09153B681400BFA4D14443D30E4B5108451BDCD4DFE04B690
File Size: 87.55 KB, 87552 bytes
MD5: cd194832265532afc4f54e0444125d40
SHA1: da2682ca6613d55d2707d1e65618a36f2359973f
SHA256: A5C4CC4475F3D4A068EFB7714534C6E447360635D9C3F7A8AA536E0F0DEA3C63
File Size: 19.97 KB, 19968 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 console application (IMAGE_SUBSYSTEM_WINDOWS_CUI)
  • File is either console or GUI application
  • 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 0.0.0.0
File Version 0.0.0.0
Internal Name
  • App_Web_vptojvir.dll
  • App_Web_zrfypmgv.dll
Original Filename
  • App_Web_vptojvir.dll
  • App_Web_zrfypmgv.dll
Product Version 0.0.0.0

File Traits

  • .NET
  • dll
  • x86

Block Information

Total Blocks: 39
Potentially Malicious Blocks: 11
Whitelisted Blocks: 19
Unknown Blocks: 9

Visual Map

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

Similar Families

  • MSIL.Agent.JKA
  • MSIL.Webshell.BH
  • MSIL.Webshell.BL
  • MSIL.Webshell.BW
  • MSIL.Webshell.DB

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAccessCheck
  • ntdll.dll!NtAlertThreadByThreadId
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtClose
  • ntdll.dll!NtConnectPort
  • ntdll.dll!NtCreateMutant
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtDuplicateToken
  • ntdll.dll!NtFreeVirtualMemory
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  • ntdll.dll!NtMapViewOfSection
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenKeyEx
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtOpenProcessTokenEx
  • ntdll.dll!NtOpenSection
  • ntdll.dll!NtOpenSemaphore
  • ntdll.dll!NtOpenThreadTokenEx
  • ntdll.dll!NtProtectVirtualMemory
  • ntdll.dll!NtQueryAttributesFile
  • ntdll.dll!NtQueryDebugFilterState
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationThread
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtQueryKey
  • ntdll.dll!NtQueryPerformanceCounter
  • ntdll.dll!NtQuerySecurityAttributesToken
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtQueryVolumeInformationFile
  • ntdll.dll!NtQueryWnfStateData
  • ntdll.dll!NtReleaseMutant
  • ntdll.dll!NtReleaseSemaphore
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtRequestWaitReplyPort
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationVirtualMemory
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtSubscribeWnfStateChange
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtUnmapViewOfSectionEx
  • ntdll.dll!NtWaitForAlertByThreadId
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWaitLowEventPair
  • ntdll.dll!NtWriteFile
  • ntdll.dll!NtWriteVirtualMemory
  • UNKNOWN
  • win32u.dll!NtGdiBitBlt
  • win32u.dll!NtGdiCreateBitmap
  • win32u.dll!NtGdiCreateCompatibleDC
  • win32u.dll!NtGdiCreateDIBitmapInternal
  • win32u.dll!NtGdiCreateSolidBrush
  • win32u.dll!NtGdiDeleteObjectApp
  • win32u.dll!NtGdiExtGetObjectW
  • win32u.dll!NtGdiGetDCforBitmap
  • win32u.dll!NtGdiGetDCObject
  • win32u.dll!NtGdiGetDeviceCaps
  • win32u.dll!NtGdiRestoreDC
  • win32u.dll!NtGdiSaveDC
  • win32u.dll!NtGdiSelectBitmap
  • win32u.dll!NtGdiSetDIBitsToDeviceInternal
  • win32u.dll!NtUserBuildHwndList
  • win32u.dll!NtUserCallTwoParam
  • win32u.dll!NtUserCreateEmptyCursorObject
  • win32u.dll!NtUserCreateWindowEx
  • win32u.dll!NtUserDestroyWindow
  • win32u.dll!NtUserFindExistingCursorIcon
  • win32u.dll!NtUserGetAncestor
  • win32u.dll!NtUserGetClassInfoEx
  • win32u.dll!NtUserGetClassName
  • win32u.dll!NtUserGetDC
  • win32u.dll!NtUserGetGUIThreadInfo
  • win32u.dll!NtUserGetIconInfo
  • win32u.dll!NtUserGetIconSize
  • win32u.dll!NtUserGetImeInfoEx
  • win32u.dll!NtUserGetKeyboardLayout
  • win32u.dll!NtUserGetObjectInformation
  • win32u.dll!NtUserGetProcessWindowStation
  • win32u.dll!NtUserGetProp
  • win32u.dll!NtUserGetThreadDesktop
  • win32u.dll!NtUserGetThreadState
  • win32u.dll!NtUserGetWindowCompositionAttribute
  • win32u.dll!NtUserIsNonClientDpiScalingEnabled
  • win32u.dll!NtUserIsTopLevelWindow
  • win32u.dll!NtUserMessageCall
  • win32u.dll!NtUserRegisterClassExWOW
  • win32u.dll!NtUserRegisterWindowMessage
  • win32u.dll!NtUserReleaseDC
  • win32u.dll!NtUserRemoveProp
  • win32u.dll!NtUserSelectPalette
  • win32u.dll!NtUserSetCursorIconData
  • win32u.dll!NtUserSetWindowFNID
  • win32u.dll!NtUserSetWindowLongPtr
  • win32u.dll!NtUserSetWindowPos
  • win32u.dll!NtUserUpdateInputContext

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