71d5fa8e07aa6edc6f3081474f840f228ac826cae6ea4bb55ae44390bcc0762e

Analysis

max time kernel
149s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
06/08/2026, 23:22

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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

discovery

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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Modifies registry class 64 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9BA05972-F6A8-11CF-A442-00A0C90A8F39}\TypeLib	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\{1611FDDA-445B-11D2-85DE-00C04FA35C89}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2E71FD0F-AAB1-42C0-9146-6D2C4EDCF07D}\VersionIndependentProgId\ = "SearchAssistantOC.SearchAssistantOC"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B45FF030-4447-11D2-85DE-00C04FA35C89}\Version	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{47C922A2-3DD5-11D2-BF8B-00C04FB93661}\ProxyStubClsid	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\Version = "1.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SearchAssistantOC.SearchAssistantOC\CurVer\ = "SearchAssistantOC.SearchAssistantOC.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EFA24E64-B078-11D0-89E4-00C04FC9E26E}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EFA24E64-B078-11D0-89E4-00C04FC9E26E}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{729FE2F8-1EA8-11D1-8F85-00C04FC2FBE1}\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\Interface\{1611FDDA-445B-11D2-85DE-00C04FA35C89}\TypeLib	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\{B45FF030-4447-11D2-85DE-00C04FA35C89}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAB22AC2-30C1-11CF-A7EB-0000C05BAE0B}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B45FF030-4447-11D2-85DE-00C04FA35C89}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{72423E8F-8011-11D2-BE79-00A0C9A83DA3}\ProxyStubClsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{72423E8F-8011-11D2-BE79-00A0C9A83DA3}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9BA05972-F6A8-11CF-A442-00A0C90A8F39}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2F2F1F96-2BC1-4B1C-BE28-EA3774F4676A}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B45FF030-4447-11D2-85DE-00C04FA35C89}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\71d5fa8e07aa6edc6f3081474f840f228ac826cae6ea4bb55ae44390bcc0762e.dll"	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}\Version	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SearchAssistantOC.SearchAssistantOC.1\ = "SearchAssistantOC"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SearchAssistantOC.SearchAssistantOC.1\CLSID\ = "{2E71FD0F-AAB1-42C0-9146-6D2C4EDCF07D}"	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}\ProxyStubClsid	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\CLSID\{B45FF030-4447-11D2-85DE-00C04FA35C89}\ProgId\ = "SearchAssistantOC.SearchAssistantOC.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F3470F24-15FD-11D2-BB2E-00805FF7EFCA}\ProxyStubClsid	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2E71FD0F-AAB1-42C0-9146-6D2C4EDCF07D}\Version	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EFA24E61-B078-11D0-89E4-00C04FC9E26E}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\71d5fa8e07aa6edc6f3081474f840f228ac826cae6ea4bb55ae44390bcc0762e.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SearchAssistantOC.SearchAssistantOC\ = "SearchAssistantOC"	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}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{64AB4BB7-111E-11d1-8F79-00C04FC2FBE1}\Version	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\{2F2F1F96-2BC1-4B1C-BE28-EA3774F4676A}\VersionIndependentProgId\ = "ShellNameSpace.ShellNameSpace"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SearchAssistantOC.SearchAssistantOC.1	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\{1611FDDA-445B-11D2-85DE-00C04FA35C89}\ProxyStubClsid\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{64AB4BB7-111E-11d1-8F79-00C04FC2FBE1}	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\CLSID\{2E71FD0F-AAB1-42C0-9146-6D2C4EDCF07D}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{55136806-B2DE-11D1-B9F2-00A0C98BC547}	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\Interface\{72423E8F-8011-11D2-BE79-00A0C9A83DA2}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{72423E8F-8011-11D2-BE79-00A0C9A83DA3}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2F2F1F96-2BC1-4B1C-BE28-EA3774F4676A}\VersionIndependentProgId	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2E71FD0F-AAB1-42C0-9146-6D2C4EDCF07D}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2E71FD0F-AAB1-42C0-9146-6D2C4EDCF07D}\TypeLib\ = "{EAB22AC0-30C1-11CF-A7EB-0000C05BAE0B}"	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\Interface\{EAB22AC2-30C1-11CF-A7EB-0000C05BAE0B}\ProxyStubClsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EFA24E61-B078-11D0-89E4-00C04FC9E26E}\ = "Favorites Band"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0002DF05-0000-0000-C000-000000000046}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{47C922A2-3DD5-11D2-BF8B-00C04FB93661}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SearchAssistantOC.SearchAssistantOC	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{64AB4BB7-111E-11d1-8F79-00C04FC2FBE1}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{85CB6900-4D95-11CF-960C-0080C7F4EE85}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A7FE6EDA-1932-4281-B881-87B31B8BC52C}\ProxyStubClsid	regsvr32.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3544 wrote to memory of 4736	3544	regsvr32.exe	86

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\71d5fa8e07aa6edc6f3081474f840f228ac826cae6ea4bb55ae44390bcc0762e.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3544
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\71d5fa8e07aa6edc6f3081474f840f228ac826cae6ea4bb55ae44390bcc0762e.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:4736

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4736-0-0x0000000071C89000-0x0000000071C8A000-memory.dmp

Download

memory/4736-1-0x0000000071C60000-0x0000000071CD3000-memory.dmp