Analysis
- max time kernel
148s - max time network
120s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
06/08/2026, 23:22
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
71d5fa8e07aa6edc6f3081474f840f228ac826cae6ea4bb55ae44390bcc0762e.dll
Resource
win10v2004-20260513-en
windows10-2004-x64
3 signatures
150 seconds
Behavioral task
behavioral2
Sample
71d5fa8e07aa6edc6f3081474f840f228ac826cae6ea4bb55ae44390bcc0762e.dll
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
3 signatures
150 seconds
General
- Target 71d5fa8e07aa6edc6f3081474f840f228ac826cae6ea4bb55ae44390bcc0762e.dll
- Size 424KB
- Sample260806-3cl13sshla
- SHA256 71d5fa8e07aa6edc6f3081474f840f228ac826cae6ea4bb55ae44390bcc0762e
- MD5 c804a228461d1570a7c09cf36a123913
- SHA1 b7c951e54620610d4f90ecfbb2567d4dd0acf505
- SHA512 78c66f67a2ea54af599af735ab0602816bd56726a1c7c3d46ca57529df02f4957bc060e439e03c3b9bf1f53da318a59af1a81c2aa390106ed95f9eef06d158e1
- SSDEEP 12288:M0A51XFfafJW3YxKL3LQw+l48ZI6hEen0Bw:8Dkhr
- TLSH T18F943908FA41DEF3C83E05F1444BB95A6720DF01EB111F23BB2D8DB9AFB66A05E55285
- 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\CLSID\{2F2F1F96-2BC1-4B1C-BE28-EA3774F4676A}\VersionIndependentProgId\ = "ShellNameSpace.ShellNameSpace" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B45FF030-4447-11D2-85DE-00C04FA35C89}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\SearchAssistantOC.SearchAssistantOC.1\CLSID regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-1079202589-886135813-2527035092-1000_Classes\WOW6432Node\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FE4106E0-399A-11D0-A48C-00A0C90A8F39}\ProxyStubClsid regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{55136804-B2DE-11D1-B9F2-00A0C98BC547}\ProxyStubClsid regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{72423E8F-8011-11D2-BE79-00A0C9A83DA2}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9BA05972-F6A8-11CF-A442-00A0C90A8F39}\Version regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2F2F1F96-2BC1-4B1C-BE28-EA3774F4676A}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B45FF030-4447-11D2-85DE-00C04FA35C89}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{72423E8F-8011-11D2-BE79-00A0C9A83DA3}\ = "ISearchAssistantOC3" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{72423E8F-8011-11D2-BE79-00A0C9A83DA3}\TypeLib\ = "{EAB22AC0-30C1-11CF-A7EB-0000C05BAE0B}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2F2F1F96-2BC1-4B1C-BE28-EA3774F4676A}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B45FF030-4447-11D2-85DE-00C04FA35C89}\ProgId\ = "SearchAssistantOC.SearchAssistantOC.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\SearchAssistantOC.SearchAssistantOC\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2E71FD0F-AAB1-42C0-9146-6D2C4EDCF07D}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\71d5fa8e07aa6edc6f3081474f840f228ac826cae6ea4bb55ae44390bcc0762e.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2E71FD0F-AAB1-42C0-9146-6D2C4EDCF07D}\VersionIndependentProgId regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{72423E8F-8011-11D2-BE79-00A0C9A83DA3}\TypeLib\Version = "1.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{1611FDDA-445B-11D2-85DE-00C04FA35C89}\ProxyStubClsid\ = "{00020424-0000-0000-C000-000000000046}" 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\Interface\{0002DF05-0000-0000-C000-000000000046} 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}\ProxyStubClsid\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{1611FDDA-445B-11D2-85DE-00C04FA35C89}\ProxyStubClsid regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\SearchAssistantOC.SearchAssistantOC regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{BA9239A4-3DD5-11D2-BF8B-00C04FB93661}\ = "ISearch" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{72423E8F-8011-11D2-BE79-00A0C9A83DA1}\ProxyStubClsid 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\{72423E8F-8011-11D2-BE79-00A0C9A83DA1}\TypeLib\Version = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B45FF030-4447-11D2-85DE-00C04FA35C89}\VersionIndependentProgId regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\SearchAssistantOC.SearchAssistantOC.1\ = "SearchAssistantOC" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{72423E8F-8011-11D2-BE79-00A0C9A83DA2}\ = "ISearchAssistantOC2" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{55136805-B2DE-11D1-B9F2-00A0C98BC547}\Version 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\Interface\{F3470F24-15FD-11D2-BB2E-00805FF7EFCA} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{1611FDDA-445B-11D2-85DE-00C04FA35C89}\TypeLib\ = "{EAB22AC0-30C1-11CF-A7EB-0000C05BAE0B}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0002DF01-0000-0000-C000-000000000046}\Version regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{64AB4BB7-111E-11d1-8F79-00C04FC2FBE1}\VersionIndependentProgId regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{55136805-B2DE-11D1-B9F2-00A0C98BC547} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\SearchAssistantOC.SearchAssistantOC.1 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A7FE6EDA-1932-4281-B881-87B31B8BC52C}\ProxyStubClsid regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EFA24E64-B078-11D0-89E4-00C04FC9E26E} 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\{1611FDDA-445B-11D2-85DE-00C04FA35C89}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2E71FD0F-AAB1-42C0-9146-6D2C4EDCF07D}\ProgId 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\{EFA24E61-B078-11D0-89E4-00C04FC9E26E}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FE4106E0-399A-11D0-A48C-00A0C90A8F39} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{BA9239A4-3DD5-11D2-BF8B-00C04FB93661}\ProxyStubClsid\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{72423E8F-8011-11D2-BE79-00A0C9A83DA2}\ProxyStubClsid\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2E71FD0F-AAB1-42C0-9146-6D2C4EDCF07D}\Version\ = "1.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B45FF030-4447-11D2-85DE-00C04FA35C89}\TypeLib\ = "{EAB22AC0-30C1-11CF-A7EB-0000C05BAE0B}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{729FE2F8-1EA8-11D1-8F85-00C04FC2FBE1}\ProxyStubClsid regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{72423E8F-8011-11D2-BE79-00A0C9A83DA2}\TypeLib\Version = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{55136804-B2DE-11D1-B9F2-00A0C98BC547} 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\Interface\{72423E8F-8011-11D2-BE79-00A0C9A83DA2} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9BA05972-F6A8-11CF-A442-00A0C90A8F39} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2F2F1F96-2BC1-4B1C-BE28-EA3774F4676A}\ProgId\ = "ShellNameSpace.ShellNameSpace.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\SearchAssistantOC.SearchAssistantOC\CurVer regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{729FE2F8-1EA8-11D1-8F85-00C04FC2FBE1} regsvr32.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4704 wrote to memory of 5360 4704 regsvr32.exe 89
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\71d5fa8e07aa6edc6f3081474f840f228ac826cae6ea4bb55ae44390bcc0762e.dll1⤵
- Suspicious use of WriteProcessMemory
PID:4704 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\71d5fa8e07aa6edc6f3081474f840f228ac826cae6ea4bb55ae44390bcc0762e.dll2⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:5360
-