Threat Database Trojans Trojan.Kryptik.AAZD

Trojan.Kryptik.AAZD

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 8,902
Threat Level: 80 % (High)
Infected Computers: 265
First Seen: March 6, 2023
Last Seen: November 2, 2025
OS(es) Affected: Windows

Analysis Report

General information

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

Known Samples

MD5: 7ab05ecb3686f437b461e5f52033df9e
SHA1: aa229d85cf033c5a3a3f1c722fe6d79d8bc110d9
SHA256: 0027CD30258CE50C187822FF0E0857D8DA6E902A003690C553926499264FA18B
File Size: 856.06 KB, 856064 bytes
MD5: d33c59cc22f41008140472b6fc55db38
SHA1: 31c6a92e606b06a5b0200c9a969e9889fdb7b8e2
SHA256: 97BB64143A6D1312F4F231CFDB099347AC1704A2F684E0F544B6397986B76A13
File Size: 1.55 MB, 1548288 bytes
MD5: b009a26d140d859bd6395292aa744222
SHA1: 4d694d8387b92b011a19e4496ee6f22033bd3848
SHA256: EA4084CEAE1464717AC4CF21FEF54633E0F1ADA6F5F3A273694568F11714CA17
File Size: 2.42 MB, 2423008 bytes
MD5: 3c6fd880e8c89395fafaad10a5dcff60
SHA1: d010e9ef3c83c6160b4ddfefb8b737c6e7c1a7ec
SHA256: BB45E3A1A9D7FF0EA77C8329FC35F18B83AE75692B801582400366C60D8CC988
File Size: 3.01 MB, 3009627 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 relocations information
  • File doesn't have security information
  • File has exports table
  • File is 32-bit executable
  • File is either console or GUI application
  • File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
  • File is Native application (NOT .NET application)
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  • 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 1.4.0.0
Comments Workgroup and NT4 domain authentication for UltraVNC
Company Name
  • Igor Pavlov
  • Microsoft Corporation
  • UltraVNC
File Description
  • 7z Setup SFX small
  • IPDev.SkinEditor.Design
  • Microsoft® C Runtime Library
  • MS-Logon I for UltraVNC
File Version
  • 22.01
  • 10.00.30319.1
  • 1.4.0.0
  • 0.0.00.4
Internal Name
  • 7zS2.sfx
  • aowueeuoepyn4
  • IPDev.SkinEditor.Design.dll
  • msvcr100_clr0400.dll
Legal Copyright
  • Copyright © 2002-2005 UltraVNC team members
  • Copyright © 2007
  • Igor Pavlov : Public domain
  • © Microsoft Corporation. All rights reserved.
Original Filename
  • 7zS2.sfx.exe
  • aowueeuoepyn4.dll
  • IPDev.SkinEditor.Design.dll
  • msvcr100_clr0400.dll
Product Name
  • 7-Zip
  • AowueEUO pynxeajentie4
  • IPDev.SkinEditor.Design
  • Microsoft® Visual Studio® 2010
Product Version
  • 22.01
  • 10.00.30319.1
  • 1.4.0.0
  • 0.0.00.4

Digital Signatures

Signer Root Status
Microsoft Corporation Microsoft Code Signing PCA Hash Mismatch

File Traits

  • 2+ executable sections
  • dll
  • HighEntropy
  • x86

Files Modified

File Attributes
c:\users\user\appdata\local\temp\7zb0c88d18\f6kjorq8.cmd Generic Write,Read Attributes
c:\users\user\appdata\local\temp\7zb0c88d18\f6kjorq8.cmd Synchronize,Write Attributes
c:\users\user\appdata\local\temp\7zb0c88d18\uq.cpl Generic Write,Read Attributes
c:\users\user\appdata\local\temp\7zb0c88d18\uq.cpl Synchronize,Write Attributes

Registry Modifications

Key::Value Data API Name
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::proxybypass  RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::intranetname  RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::uncasintranet  RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::autodetect RegNtPreCreateKey
HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\conhost.exe 漕藐䱟ǜ RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\applicationassociationtoasts::cplfile_.cpl RegNtPreCreateKey
HKCU\local settings\software\microsoft\windows\shell\muicache::c:\windows\system32\control.exe.friendlyappname Windows Control Panel RegNtPreCreateKey
HKCU\local settings\software\microsoft\windows\shell\muicache::c:\windows\system32\control.exe.applicationcompany Microsoft Corporation RegNtPreCreateKey
HKLM\software\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc3475 RegNtPreCreateKey
HKLM\software\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc3475 RegNtPreCreateKey
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HKLM\software\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc1c75 RegNtPreCreateKey
HKLM\software\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc3475 RegNtPreCreateKey

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAccessCheck
  • ntdll.dll!NtAlertThreadByThreadId
  • ntdll.dll!NtAlpcConnectPortEx
  • ntdll.dll!NtAlpcQueryInformation
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtAssociateWaitCompletionPacket
  • ntdll.dll!NtClearEvent
  • ntdll.dll!NtClose
  • ntdll.dll!NtConnectPort
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  • ntdll.dll!NtCreateEvent
  • ntdll.dll!NtCreateFile
  • ntdll.dll!NtCreateMutant
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtCreateSemaphore
  • ntdll.dll!NtDeviceIoControlFile
  • ntdll.dll!NtDuplicateObject
  • ntdll.dll!NtDuplicateToken
  • 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!NtOpenMutant
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtOpenProcessTokenEx
  • ntdll.dll!NtOpenSection
  • ntdll.dll!NtOpenSemaphore
  • ntdll.dll!NtOpenThreadToken
  • 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!NtQuerySecurityObject
  • ntdll.dll!NtQuerySystemInformation
  • ntdll.dll!NtQuerySystemInformationEx
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtQueryVolumeInformationFile
  • ntdll.dll!NtQueryWnfStateData
  • ntdll.dll!NtReadFile
  • ntdll.dll!NtReleaseMutant
  • ntdll.dll!NtReleaseSemaphore
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtRequestWaitReplyPort
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationFile
  • ntdll.dll!NtSetInformationKey
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationThread
  • ntdll.dll!NtSetInformationVirtualMemory
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtSetTimer2
  • ntdll.dll!NtSubscribeWnfStateChange
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtUnmapViewOfSectionEx
  • ntdll.dll!NtWaitForAlertByThreadId
  • ntdll.dll!NtWaitForMultipleObjects
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWaitForWorkViaWorkerFactory
  • ntdll.dll!NtWaitLowEventPair
  • ntdll.dll!NtWorkerFactoryWorkerReady
  • ntdll.dll!NtWriteFile
  • ntdll.dll!NtWriteVirtualMemory
  • UNKNOWN
  • win32u.dll!NtUserGetKeyboardLayout
  • win32u.dll!NtUserGetThreadState
Process Shell Execute
  • CreateProcess
  • ShellExecuteEx
Anti Debug
  • IsDebuggerPresent
  • NtQuerySystemInformation
User Data Access
  • GetUserObjectInformation
Process Terminate
  • TerminateProcess

Shell Command Execution

C:\WINDOWS\SysWOW64\rundll32.exe C:\WINDOWS\system32\rundll32.exe c:\users\user\downloads\aa229d85cf033c5a3a3f1c722fe6d79d8bc110d9_0000856064.,LiQMAxHB
C:\WINDOWS\SysWOW64\rundll32.exe C:\WINDOWS\system32\rundll32.exe c:\users\user\downloads\31c6a92e606b06a5b0200c9a969e9889fdb7b8e2_0001548288.,LiQMAxHB
C:\WINDOWS\SysWOW64\rundll32.exe C:\WINDOWS\system32\rundll32.exe c:\users\user\downloads\4d694d8387b92b011a19e4496ee6f22033bd3848_0002423008.,LiQMAxHB
(NULL) C:\Users\Zqyxxmcy\AppData\Local\Temp\7zB0C88D18\F6kjORq8.cMd
C:\Users\Zqyxxmcy\appdata\local\temp\7zb0c88d18\uq.cpl "C:\Users\Zqyxxmcy\appdata\local\temp\7zb0c88d18\uQ.CPL"
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C:\WINDOWS\SysWOW64\rundll32.exe "C:\WINDOWS\SysWOW64\rundll32.exe" "C:\WINDOWS\SysWOW64\shell32.dll",#44 "C:\Users\Zqyxxmcy\appdata\local\temp\7zb0c88d18\uq.cpl",
open %SystemRoot%\system32\rundll32.exe Shell32.dll,Control_RunDLL "C:\Users\Zqyxxmcy\appdata\local\temp\7zb0c88d18\uq.cpl",

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