Threat Database Trojans Trojan.Kryptik.AAZB

Trojan.Kryptik.AAZB

By CagedTech in Trojans

Threat Scorecard

Threat Level: 80 % (High)
Infected Computers: 2,111
First Seen: December 1, 2022
Last Seen: May 23, 2026
OS(es) Affected: Windows

Analysis Report

General information

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

Known Samples

MD5: eb6c9f7bf4307eda92c83429b99e5c8e
SHA1: bb7cddb8a61e938dc571db7a9ca8dfacce0de1ae
SHA256: 312B1FBBEE2EF7C8E9FB62C5829B65971272422242FA0F50BAA87827D5B64BC5
File Size: 1.43 MB, 1429504 bytes
MD5: eb15a363cb578dde09c4d114817e83ed
SHA1: 498d51eff9ef9cfd010c7c626105fdd710f06c06
SHA256: 273D3F1BB95529BC1129A3FEA164009C526FDEA4FE8A9BD4F010C24F83986122
File Size: 1.35 MB, 1347584 bytes
MD5: 0f13e7aad3a6d21bbce709365d19c0a8
SHA1: f081e231fc122626178f01448d0c0221c96b9a65
SHA256: 95B796563171FEECACAA03095039E3EBBA71430AE3383C61FFF2BB81D1BE5876
File Size: 2.85 MB, 2845111 bytes
MD5: 0a4c544b759af8679d65b710edb5e6ca
SHA1: 6b80535f5b96fa4f654618c4bb78dc5e61036690
SHA256: 2856D07E72337B9544BF629709067D5E038756B514F926F92C0A099A72364779
File Size: 1.99 MB, 1986560 bytes
MD5: 8afc5185d5ff4eb4f187dceabf0be6ec
SHA1: 7cbcbae730820bfcf1925c8193e9ff65737a1663
SHA256: F01ED38639012080314355016AACE37DF7684AEF201DD80DC9B8203FABFF37AC
File Size: 1.68 MB, 1683456 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 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)
  • File is not packed
Show More
  • 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
Build I D 20000101000000
Comments Provided under the terms of the GNU Lesser General Public License.
Company Name
  • g10 Code GmbH
  • Microsoft Corporation
  • Mozilla Foundation
File Description
  • ApiSet Stub DLL
  • Assuan - GnuPG IPC
File Version
  • 10.0.17134.12 (WinBuild.160101.0800)
  • 10.0.09006.7 (WinBuild.310079.9002)
  • 8.8.3.4de3154
  • 04.6.0
Internal Name
  • apisetstub
  • libassuan
  • tanbhflale
Legal Copyright
  • Copyright © 2001-2019 g10 Code GmbH
  • License: MPL 2
  • © Microsoft Corporation. All rights reserved.
Legal Trademarks Mozilla
Original Filename
  • aktidraun3.dll
  • apisetstub
  • libassuan.dll
  • tanbhflale
Product Name
  • Akt Draunld
  • Assuan
  • Microsoft® Windows® Operating System
  • Tanbhflal\keh Tmddrer\hyd Tnlatslss I
Product Version
  • 10.0.17134.12
  • 04.6.0
  • 2.5.3
Special Build <none>
Aroduct Version 10.0.09006.7

File Traits

  • dll
  • HighEntropy
  • x86

Block Information

Total Blocks: 36
Potentially Malicious Blocks: 11
Whitelisted Blocks: 4
Unknown Blocks: 21

Visual Map

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

Files Modified

File Attributes
c:\users\user\appdata\local\temp\__tmp_rar_sfx_access_check_2145265 Generic Read,Write Data,Write Attributes,Write extended,Append data
c:\users\user\appdata\local\temp\n4vfpnuh.y~z Generic Write,Read Attributes
c:\users\user\appdata\local\temp\n4vfpnuh.y~z 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\software\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc3475 RegNtPreCreateKey
HKLM\software\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc1c75 RegNtPreCreateKey

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtClose
  • ntdll.dll!NtCreateFile
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtMapViewOfSection
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtQueryAttributesFile
Show More
  • ntdll.dll!NtQueryDebugFilterState
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtQuerySystemInformationEx
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtQueryVolumeInformationFile
  • ntdll.dll!NtReadFile
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationFile
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationVirtualMemory
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtWriteFile
Process Manipulation Evasion
  • NtUnmapViewOfSection
Process Shell Execute
  • CreateProcess
  • ShellExecuteEx
Anti Debug
  • IsDebuggerPresent
  • NtQuerySystemInformation
User Data Access
  • GetUserObjectInformation
Keyboard Access
  • GetKeyState

Shell Command Execution

C:\WINDOWS\SysWOW64\rundll32.exe C:\WINDOWS\system32\rundll32.exe c:\users\user\downloads\bb7cddb8a61e938dc571db7a9ca8dfacce0de1ae_0001429504.,LiQMAxHB
C:\WINDOWS\SysWOW64\rundll32.exe C:\WINDOWS\system32\rundll32.exe c:\users\user\downloads\498d51eff9ef9cfd010c7c626105fdd710f06c06_0001347584.,LiQMAxHB
(NULL) regsvr32.exe n4VfPNUH.y~Z /S
C:\WINDOWS\SysWOW64\rundll32.exe C:\WINDOWS\system32\rundll32.exe c:\users\user\downloads\6b80535f5b96fa4f654618c4bb78dc5e61036690_0001986560.,LiQMAxHB
C:\WINDOWS\SysWOW64\rundll32.exe C:\WINDOWS\system32\rundll32.exe c:\users\user\downloads\7cbcbae730820bfcf1925c8193e9ff65737a1663_0001683456.,LiQMAxHB

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