13c3be742114533999093345e9b69657bcbab53e70d79bc7f90be1b7550cbb20

Analysis

max time kernel
298s
max time network
298s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
28/04/2026, 07:31

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General

Target
187099.dll
Size 21KB
Sample260428-jcfphsex21
SHA256 13c3be742114533999093345e9b69657bcbab53e70d79bc7f90be1b7550cbb20
MD5 e95cac30cf4cc032af3a2f0819b5e7c0
SHA1 862aa7a94c79f3a650908550e1f0c6f5af6790cb
SHA512 23a7bbb7bf691626afeab4cb9e763322ad211d08d329fc01adee989ff42add88ed8aa59186b5c66fb95c7c5713caf141fe468bd11b598b904bb93fb09585a894
SSDEEP 384:iMOcJoDvRZR113eWA+Uezhq/pW/00zWmV8qW9g1Yk9dlBRcAb91:i/9SWPU+hq/g5VJoCYCBRc891
TLSH
T1BEA25A826F6840A3EA6A2C3051F1D9176D3DBB801CF095522E95F38D1CB6383EBA474E
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 49 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2397528088-2630719772-1129911217-1000_Classes\WOW6432Node\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2F69C611-6B14-47E8-9260-4BB7C52F504B}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{73A3F82A-0FE9-4B33-BA3B-FE095F697E0A}\NumMethods	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D5FE005B-2836-485E-B1F9-89D91AA24FD4}\NumMethods	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{379BFBE1-C6C9-432A-93E1-6D17656C538C}\NumMethods	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5A05B5DA-5AEB-4290-A08B-57177176464A}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D6FCA954-F7AE-4EAC-8783-85F5E4ABD840}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D6FCA954-F7AE-4EAC-8783-85F5E4ABD840}\InProcServer32\ThreadingModel = "Both"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D6FCA954-F7AE-4EAC-8783-85F5E4ABD840}\ = "PSFactoryBuffer"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2F69C611-6B14-47E8-9260-4BB7C52F504B}\ = "IRemoteDebugCriticalErrorEvent110"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2F69C611-6B14-47E8-9260-4BB7C52F504B}\NumMethods	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{73A3F82A-0FE9-4B33-BA3B-FE095F697E0A}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{73A3F82A-0FE9-4B33-BA3B-FE095F697E0A}\NumMethods\ = "9"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{90A7734E-841B-4F77-9384-A2891E76E7E2}\NumMethods	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D6FCA954-F7AE-4EAC-8783-85F5E4ABD840}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\187099.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{90A7734E-841B-4F77-9384-A2891E76E7E2}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{90A7734E-841B-4F77-9384-A2891E76E7E2}\ProxyStubClsid32\ = "{D6FCA954-F7AE-4EAC-8783-85F5E4ABD840}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D5FE005B-2836-485E-B1F9-89D91AA24FD4}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D5FE005B-2836-485E-B1F9-89D91AA24FD4}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D5FE005B-2836-485E-B1F9-89D91AA24FD4}\NumMethods\ = "6"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{516E42B6-89A8-4530-937B-5F0708431442}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{516E42B6-89A8-4530-937B-5F0708431442}\ = "IActiveScriptErrorDebug110"	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-2397528088-2630719772-1129911217-1000_Classes\WOW6432Node\Interface	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2F69C611-6B14-47E8-9260-4BB7C52F504B}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{73A3F82A-0FE9-4B33-BA3B-FE095F697E0A}\ = "IActiveScriptWinRTErrorDebug"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{90A7734E-841B-4F77-9384-A2891E76E7E2}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{90A7734E-841B-4F77-9384-A2891E76E7E2}\NumMethods\ = "6"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{516E42B6-89A8-4530-937B-5F0708431442}\NumMethods	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{379BFBE1-C6C9-432A-93E1-6D17656C538C}\ = "IWebAppDiagnosticsSetup"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5A05B5DA-5AEB-4290-A08B-57177176464A}\ = "IDebugPublisherProcess110"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2F69C611-6B14-47E8-9260-4BB7C52F504B}\ProxyStubClsid32\ = "{D6FCA954-F7AE-4EAC-8783-85F5E4ABD840}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{73A3F82A-0FE9-4B33-BA3B-FE095F697E0A}\ProxyStubClsid32\ = "{D6FCA954-F7AE-4EAC-8783-85F5E4ABD840}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D5FE005B-2836-485E-B1F9-89D91AA24FD4}\ProxyStubClsid32\ = "{D6FCA954-F7AE-4EAC-8783-85F5E4ABD840}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{516E42B6-89A8-4530-937B-5F0708431442}\ProxyStubClsid32\ = "{D6FCA954-F7AE-4EAC-8783-85F5E4ABD840}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{516E42B6-89A8-4530-937B-5F0708431442}\NumMethods\ = "4"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{379BFBE1-C6C9-432A-93E1-6D17656C538C}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{379BFBE1-C6C9-432A-93E1-6D17656C538C}\NumMethods\ = "5"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5A05B5DA-5AEB-4290-A08B-57177176464A}\NumMethods\ = "7"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{90A7734E-841B-4F77-9384-A2891E76E7E2}\ = "IDebugApplicationNode100"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{379BFBE1-C6C9-432A-93E1-6D17656C538C}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5A05B5DA-5AEB-4290-A08B-57177176464A}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5A05B5DA-5AEB-4290-A08B-57177176464A}\ProxyStubClsid32\ = "{D6FCA954-F7AE-4EAC-8783-85F5E4ABD840}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5A05B5DA-5AEB-4290-A08B-57177176464A}\NumMethods	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D6FCA954-F7AE-4EAC-8783-85F5E4ABD840}\InProcServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{73A3F82A-0FE9-4B33-BA3B-FE095F697E0A}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D5FE005B-2836-485E-B1F9-89D91AA24FD4}\ = "IRemoteDebugApplication110"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2F69C611-6B14-47E8-9260-4BB7C52F504B}\NumMethods\ = "4"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{516E42B6-89A8-4530-937B-5F0708431442}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{379BFBE1-C6C9-432A-93E1-6D17656C538C}\ProxyStubClsid32\ = "{D6FCA954-F7AE-4EAC-8783-85F5E4ABD840}"	regsvr32.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2632 wrote to memory of 964	2632	regsvr32.exe	79

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\187099.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2632
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\187099.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:964

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/964-0-0x000000007557D000-0x000000007557E000-memory.dmp

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