48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3

General

Target

48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
Size

4.1MB
MD5

4bcde86b747fbec71b3e680b904d1e55
SHA1

6d8cadc3ae518b5dd17f5a6b15ff58ccf7c54e6b
SHA256

48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3
SHA512

06e1900c03f3c65438418f4e7eda434598fbc972752281d63536af03ac96486ecf33fd8ad9eb4e7e12615400501d2749784d4b2ed11263ad859d7e5256c97639
SSDEEP

49152:7cNm5RqPthUYJj8BWA0wEJVnfwZU5BcumbZuXPYefftBCZqslWaNTYOO8jsnHsid:7umscYuwJfNlBCsqNTYOO8C/Lwrz

Score

8^/10

adware discovery persistence spyware stealer

Malware Config

Signatures

Registers COM server for autorun 1 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Processes:

regsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3f0aad3f-3f70-4f71-b3e8-f3fbc32cd92e}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3f0aad3f-3f70-4f71-b3e8-f3fbc32cd92e}\InprocServer32\ = "C:\\Program Files (x86)\\YoutubeAdBlocke\\urRKckbKas6adi.x64.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3f0aad3f-3f70-4f71-b3e8-f3fbc32cd92e}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3f0aad3f-3f70-4f71-b3e8-f3fbc32cd92e}\InprocServer32	regsvr32.exe

Loads dropped DLL 3 IoCs

Processes:

48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exeregsvr32.exeregsvr32.exe

pid process

1304 48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
940 regsvr32.exe
1300 regsvr32.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

pid	process
1304	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
940	regsvr32.exe
1300	regsvr32.exe

Installs/modifies Browser Helper Object 2 TTPs 8 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

Processes:

regsvr32.exe48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{3f0aad3f-3f70-4f71-b3e8-f3fbc32cd92e}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{3f0aad3f-3f70-4f71-b3e8-f3fbc32cd92e}\ = "YoutubeAdBlocke"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{3f0aad3f-3f70-4f71-b3e8-f3fbc32cd92e}\NoExplorer = "1"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{3f0aad3f-3f70-4f71-b3e8-f3fbc32cd92e}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{3f0aad3f-3f70-4f71-b3e8-f3fbc32cd92e}	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{3f0aad3f-3f70-4f71-b3e8-f3fbc32cd92e}\ = "YoutubeAdBlocke"	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{3f0aad3f-3f70-4f71-b3e8-f3fbc32cd92e}\NoExplorer = "1"	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{3f0aad3f-3f70-4f71-b3e8-f3fbc32cd92e}	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe

Drops file in Program Files directory 8 IoCs

Processes:

48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\YoutubeAdBlocke\urRKckbKas6adi.tlb	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
File created	C:\Program Files (x86)\YoutubeAdBlocke\urRKckbKas6adi.dat	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
File opened for modification	C:\Program Files (x86)\YoutubeAdBlocke\urRKckbKas6adi.dat	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
File created	C:\Program Files (x86)\YoutubeAdBlocke\urRKckbKas6adi.x64.dll	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
File opened for modification	C:\Program Files (x86)\YoutubeAdBlocke\urRKckbKas6adi.x64.dll	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
File created	C:\Program Files (x86)\YoutubeAdBlocke\urRKckbKas6adi.dll	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
File opened for modification	C:\Program Files (x86)\YoutubeAdBlocke\urRKckbKas6adi.dll	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
File created	C:\Program Files (x86)\YoutubeAdBlocke\urRKckbKas6adi.tlb	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe

Modifies Internet Explorer settings 1 TTPs 8 IoCs

adware spyware

Modify Registry

T1112

Processes:

48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exeregsvr32.exe

description	ioc	process
Key deleted	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
Key deleted	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{3F0AAD3F-3F70-4F71-B3E8-F3FBC32CD92E}	regsvr32.exe
Key deleted	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{3f0aad3f-3f70-4f71-b3e8-f3fbc32cd92e}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{3f0aad3f-3f70-4f71-b3e8-f3fbc32cd92e}	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
Key deleted	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{3F0AAD3F-3F70-4F71-B3E8-F3FBC32CD92E}	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe

Modifies registry class 64 IoCs

Processes:

48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exeregsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\ = "YoutubeAdBlocke"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3f0aad3f-3f70-4f71-b3e8-f3fbc32cd92e}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3f0aad3f-3f70-4f71-b3e8-f3fbc32cd92e}\InprocServer32	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3f0aad3f-3f70-4f71-b3e8-f3fbc32cd92e}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\..9	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer\ = ".9"	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3f0aad3f-3f70-4f71-b3e8-f3fbc32cd92e}\InprocServer32\ = "C:\\Program Files (x86)\\YoutubeAdBlocke\\urRKckbKas6adi.dll"	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS\ = "0"	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32\ = "C:\\Program Files (x86)\\YoutubeAdBlocke\\urRKckbKas6adi.tlb"	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3f0aad3f-3f70-4f71-b3e8-f3fbc32cd92e}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3f0aad3f-3f70-4f71-b3e8-f3fbc32cd92e}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0"	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3f0aad3f-3f70-4f71-b3e8-f3fbc32cd92e}\ProgID	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3F0AAD3F-3F70-4F71-B3E8-F3FBC32CD92E}\Implemented Categories	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3f0aad3f-3f70-4f71-b3e8-f3fbc32cd92e}\ProgID\ = ".9"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3f0aad3f-3f70-4f71-b3e8-f3fbc32cd92e}\ProgID\ = ".9"	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3f0aad3f-3f70-4f71-b3e8-f3fbc32cd92e}\InprocServer32	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0"	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0"	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry"	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3F0AAD3F-3F70-4F71-B3E8-F3FBC32CD92E}\Implemented Categories	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3f0aad3f-3f70-4f71-b3e8-f3fbc32cd92e}\InprocServer32	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3F0AAD3F-3F70-4F71-B3E8-F3FBC32CD92E}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\ = "YoutubeAdBlocke"	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3f0aad3f-3f70-4f71-b3e8-f3fbc32cd92e}\ = "YoutubeAdBlocke"	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\ = "IEPluginLib"	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry"	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3f0aad3f-3f70-4f71-b3e8-f3fbc32cd92e}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3f0aad3f-3f70-4f71-b3e8-f3fbc32cd92e}\InprocServer32\ThreadingModel = "Apartment"	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3f0aad3f-3f70-4f71-b3e8-f3fbc32cd92e}\Programmable	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3f0aad3f-3f70-4f71-b3e8-f3fbc32cd92e}	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3F0AAD3F-3F70-4F71-B3E8-F3FBC32CD92E}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640}	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage"	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3f0aad3f-3f70-4f71-b3e8-f3fbc32cd92e}\VersionIndependentProgID\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3f0aad3f-3f70-4f71-b3e8-f3fbc32cd92e}\ProgID	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3F0AAD3F-3F70-4F71-B3E8-F3FBC32CD92E}	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3f0aad3f-3f70-4f71-b3e8-f3fbc32cd92e}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{3f0aad3f-3f70-4f71-b3e8-f3fbc32cd92e}"	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage"	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exeregsvr32.exe

description	pid	process	target process
PID 1304 wrote to memory of 940	1304	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe	regsvr32.exe
PID 1304 wrote to memory of 940	1304	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe	regsvr32.exe
PID 1304 wrote to memory of 940	1304	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe	regsvr32.exe
PID 1304 wrote to memory of 940	1304	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe	regsvr32.exe
PID 1304 wrote to memory of 940	1304	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe	regsvr32.exe
PID 1304 wrote to memory of 940	1304	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe	regsvr32.exe
PID 1304 wrote to memory of 940	1304	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe	regsvr32.exe
PID 940 wrote to memory of 1300	940	regsvr32.exe	regsvr32.exe
PID 940 wrote to memory of 1300	940	regsvr32.exe	regsvr32.exe
PID 940 wrote to memory of 1300	940	regsvr32.exe	regsvr32.exe
PID 940 wrote to memory of 1300	940	regsvr32.exe	regsvr32.exe
PID 940 wrote to memory of 1300	940	regsvr32.exe	regsvr32.exe
PID 940 wrote to memory of 1300	940	regsvr32.exe	regsvr32.exe
PID 940 wrote to memory of 1300	940	regsvr32.exe	regsvr32.exe

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

T1112

Processes:

48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID\{3f0aad3f-3f70-4f71-b3e8-f3fbc32cd92e} = "1"	48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe

C:\Users\Admin\AppData\Local\Temp\48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe
"C:\Users\Admin\AppData\Local\Temp\48538cfa58cb6e976eea3eb993a4b376b1ca981ba586d0a4d6daf1237bb7c0e3.exe"
1⤵
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1304

C:\Windows\SysWOW64\regsvr32.exe
regsvr32.exe /s "C:\Program Files (x86)\YoutubeAdBlocke\urRKckbKas6adi.x64.dll"
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:940

C:\Windows\system32\regsvr32.exe
/s "C:\Program Files (x86)\YoutubeAdBlocke\urRKckbKas6adi.x64.dll"
3⤵
- Registers COM server for autorun
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies Internet Explorer settings
- Modifies registry class
PID:1300

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Browser Extensions

1

T1176

Privilege Escalation

Defense Evasion

Modify Registry

3

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\YoutubeAdBlocke\urRKckbKas6adi.dat
Filesize
4KB

MD5
f670eeab9bdabc8e666aba7d1f42f339

SHA1
a1802383dfe520b7fd150c90d799bea88d42fa11

SHA256
9c1e984b0192a9b9d6c986c3b3b56dbf36c2f1b5914388f9d26518be87ad0b2b

SHA512
19905db690f36cdb2e953f7c18bab0512250ac7502d1bd15386a584b73cd3a045536c8d1880c8d8dacc45c22c1f118e1f9bb712792683775f17c7c313cc23b29

Download Submit
C:\Program Files (x86)\YoutubeAdBlocke\urRKckbKas6adi.tlb
Filesize
3KB

MD5
6bdd6ba23e0c129c5b4fa1a141aa21f6

SHA1
beef025f5611f84ce53f24e58435f070f92c064f

SHA256
14f706e58b4e332e1bc9b6fc6c650097db6e0ea91ac7ad0064aba01832ddd990

SHA512
828d9f58efd731252209ea1ed7d092c9e88190b81272fa704c8cb963f5f9d91172610b90e0bce763c0f5207b10d67d0fc4eb31294fd89dde2a260a19d324bc1b

Download Submit
C:\Program Files (x86)\YoutubeAdBlocke\urRKckbKas6adi.x64.dll
Filesize
882KB

MD5
0827270a2d7dca4230839de0511d4280

SHA1
264ce2775315b06a37cd51d7152df58e29a11b60

SHA256
6863740f9ed110fbf10ef18b8732ada23f4db42e998214ed97a09f5fbdd7571b

SHA512
d1bf285d6b084920c8d03170cc317939a6a5a3c8b67f71064478fc02feba512a1bffe7f10da424efd6441e61933af777b70c5ace4dce582a0b2bd3a02bdc76c4

Download Submit
\Program Files (x86)\YoutubeAdBlocke\urRKckbKas6adi.dll
Filesize
750KB

MD5
a1e5276fa264891a2394cfb992fef753

SHA1
3fc9b45acb1feaf1799f70cf93a965221ffe492e

SHA256
7d25cce7e647fbee7c157d7cad8b3a12abb66fa3b992adfede9de78687b69838

SHA512
ded2b69d13d0f6dd0b7f1fb0b6e8dd0ff1e6705ef5ecae284421826b630de43f0fc7c7783c3246c9fe31dedf07e35e3051366abcc666dec7ff6fe06416c62fcd

Download Submit
\Program Files (x86)\YoutubeAdBlocke\urRKckbKas6adi.x64.dll
Filesize
882KB

MD5
0827270a2d7dca4230839de0511d4280

SHA1
264ce2775315b06a37cd51d7152df58e29a11b60

SHA256
6863740f9ed110fbf10ef18b8732ada23f4db42e998214ed97a09f5fbdd7571b

SHA512
d1bf285d6b084920c8d03170cc317939a6a5a3c8b67f71064478fc02feba512a1bffe7f10da424efd6441e61933af777b70c5ace4dce582a0b2bd3a02bdc76c4

Download Submit
\Program Files (x86)\YoutubeAdBlocke\urRKckbKas6adi.x64.dll
Filesize
882KB

MD5
0827270a2d7dca4230839de0511d4280

SHA1
264ce2775315b06a37cd51d7152df58e29a11b60

SHA256
6863740f9ed110fbf10ef18b8732ada23f4db42e998214ed97a09f5fbdd7571b

SHA512
d1bf285d6b084920c8d03170cc317939a6a5a3c8b67f71064478fc02feba512a1bffe7f10da424efd6441e61933af777b70c5ace4dce582a0b2bd3a02bdc76c4

Download Submit
memory/940-61-0x0000000000000000-mapping.dmp

Download
memory/1300-65-0x0000000000000000-mapping.dmp

Download
memory/1300-66-0x000007FEFC211000-0x000007FEFC213000-memory.dmp

Filesize
8KB

Download
memory/1304-54-0x00000000762E1000-0x00000000762E3000-memory.dmp

Filesize
8KB

Download
memory/1304-55-0x0000000002940000-0x0000000002A0A000-memory.dmp

Filesize
808KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads