Analysis
- max time kernel
148s - max time network
114s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
12/07/2026, 00:28
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
64dee44c3a8f14a6af38b1f6f18ba820ba7407d009044daa5cf722bfd550a448.dll
Resource
win10v2004-20260513-en
windows10-2004-x64
3 signatures
150 seconds
Behavioral task
behavioral2
Sample
64dee44c3a8f14a6af38b1f6f18ba820ba7407d009044daa5cf722bfd550a448.dll
Resource
win11ltsc2024-20260710-en
windows11-ltsc_2024-x64
3 signatures
150 seconds
General
- Target 64dee44c3a8f14a6af38b1f6f18ba820ba7407d009044daa5cf722bfd550a448.dll
- Size 761KB
- Sample260712-asp4fsbw3k
- SHA256 64dee44c3a8f14a6af38b1f6f18ba820ba7407d009044daa5cf722bfd550a448
- MD5 1c999f873dd4fa6fed192941d8284d39
- SHA1 2ae0dff60197383661a4b78327e3e1a56933404e
- SHA512 ca6c2b0436950ed614c356c2e4e19b61fdb2d59bdc5b4e3301052598a29ab1154ddef2605a129cade0a824eb2d3bde5a9d651d170b1d3ef89f3d826f11fe6c28
- SSDEEP 12288:OqnOoiaSKj2YcMK5Q6ycB+BHHasMd+l48ZIWcyB7Qc:ZnOoiBKj2YcM16B+BHHTMGciD
- TLSH T1B5F44C04F6DF99F3D52782349AD6E32719BCB541D33B875BA91C4D286F3BB816A20342
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
3/10
Malware Config
Signatures
- System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32.exe - Modifies registry class 64 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{BA9239A4-3DD5-11D2-BF8B-00C04FB93661}\TypeLib\ = "{EAB22AC0-30C1-11CF-A7EB-0000C05BAE0B}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{47C922A2-3DD5-11D2-BF8B-00C04FB93661}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{72423E8F-8011-11D2-BE79-00A0C9A83DA2}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2F2F1F96-2BC1-4B1C-BE28-EA3774F4676A}\Version\ = "1.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2E71FD0F-AAB1-42C0-9146-6D2C4EDCF07D}\ProgId\ = "SearchAssistantOC.SearchAssistantOC.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2E71FD0F-AAB1-42C0-9146-6D2C4EDCF07D}\Version regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2E71FD0F-AAB1-42C0-9146-6D2C4EDCF07D}\ = "SearchAssistantOC" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B45FF030-4447-11D2-85DE-00C04FA35C89}\ = "SearchAssistantOC" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B45FF030-4447-11D2-85DE-00C04FA35C89}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B45FF030-4447-11D2-85DE-00C04FA35C89}\ProgId regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2E71FD0F-AAB1-42C0-9146-6D2C4EDCF07D}\ProgId regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B45FF030-4447-11D2-85DE-00C04FA35C89}\ProgId\ = "SearchAssistantOC.SearchAssistantOC.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\InternetShortcut\IsShortcut regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAB22AC2-30C1-11CF-A7EB-0000C05BAE0B} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{47C922A2-3DD5-11D2-BF8B-00C04FB93661}\ProxyStubClsid\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{72423E8F-8011-11D2-BE79-00A0C9A83DA1}\ProxyStubClsid regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{72423E8F-8011-11D2-BE79-00A0C9A83DA3}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{1611FDDA-445B-11D2-85DE-00C04FA35C89}\ProxyStubClsid\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{1611FDDA-445B-11D2-85DE-00C04FA35C89}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2F2F1F96-2BC1-4B1C-BE28-EA3774F4676A} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2F2F1F96-2BC1-4B1C-BE28-EA3774F4676A}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAB22AC1-30C1-11CF-A7EB-0000C05BAE0B}\ProxyStubClsid regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{1611FDDA-445B-11D2-85DE-00C04FA35C89}\ProxyStubClsid regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2E71FD0F-AAB1-42C0-9146-6D2C4EDCF07D} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\SearchAssistantOC.SearchAssistantOC\ = "SearchAssistantOC" regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\.URL\ShellEx\{CABB0DA0-DA57-11CF-9974-0020AFD79762} regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\.URL regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.url regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.url\ = "InternetShortcut" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{72423E8F-8011-11D2-BE79-00A0C9A83DA2} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{72423E8F-8011-11D2-BE79-00A0C9A83DA2}\TypeLib\ = "{EAB22AC0-30C1-11CF-A7EB-0000C05BAE0B}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{72423E8F-8011-11D2-BE79-00A0C9A83DA3} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2E71FD0F-AAB1-42C0-9146-6D2C4EDCF07D}\VersionIndependentProgId regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\.URL\ShellEx\{FBF23B80-E3F0-101B-8488-00AA003E56F8} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAB22AC2-30C1-11CF-A7EB-0000C05BAE0B}\ProxyStubClsid regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{34A715A0-6587-11D0-924A-0020AFC7AC4D} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{55136804-B2DE-11D1-B9F2-00A0C98BC547} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2F2F1F96-2BC1-4B1C-BE28-EA3774F4676A}\TypeLib\ = "{EAB22AC0-30C1-11CF-A7EB-0000C05BAE0B}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{72423E8F-8011-11D2-BE79-00A0C9A83DA1}\ProxyStubClsid\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{BA9239A4-3DD5-11D2-BF8B-00C04FB93661}\ProxyStubClsid regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B45FF030-4447-11D2-85DE-00C04FA35C89}\VersionIndependentProgId regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\.URL\PersistentHandler regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\mailto\URL Protocol regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0002DF05-0000-0000-C000-000000000046}\ProxyStubClsid regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D30C1661-CDAF-11D0-8A3E-00C04FC9E26E} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{72423E8F-8011-11D2-BE79-00A0C9A83DA1}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{1611FDDA-445B-11D2-85DE-00C04FA35C89}\TypeLib\Version = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9BA05972-F6A8-11CF-A442-00A0C90A8F39}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\InternetShortcut\EditFlags = "2" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\InternetShortcut\NeverShowExt regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{BA9239A4-3DD5-11D2-BF8B-00C04FB93661}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{BA9239A4-3DD5-11D2-BF8B-00C04FB93661}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{47C922A2-3DD5-11D2-BF8B-00C04FB93661}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{1611FDDA-445B-11D2-85DE-00C04FA35C89}\TypeLib regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\.URL\ShellEx\{000214F9-0000-0000-C000-000000000046} regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\.URL\ShellEx regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{1611FDDA-445B-11D2-85DE-00C04FA35C89}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{64AB4BB7-111E-11d1-8F79-00C04FC2FBE1}\Version regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\SearchAssistantOC.SearchAssistantOC\CLSID regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\.URL\ShellEx\{000214EE-0000-0000-C000-000000000046} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ftp\URL Protocol regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{85CB6900-4D95-11CF-960C-0080C7F4EE85}\ProxyStubClsid regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E572D3C9-37BE-4AE2-825D-D521763E3108}\ProxyStubClsid regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0002DF01-0000-0000-C000-000000000046} regsvr32.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 3284 wrote to memory of 1040 3284 regsvr32.exe 87
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\64dee44c3a8f14a6af38b1f6f18ba820ba7407d009044daa5cf722bfd550a448.dll1⤵
- Suspicious use of WriteProcessMemory
PID:3284 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\64dee44c3a8f14a6af38b1f6f18ba820ba7407d009044daa5cf722bfd550a448.dll2⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:1040
-