f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8

General

Target

f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Size

4.4MB
MD5

503f0cbe4e3e8a1053c7aee1a3b1c2b3
SHA1

f4d8d39326f3114a3cf2c0404ef2c71e7aa54a3f
SHA256

f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8
SHA512

8390e1dbc56f487e3624f5d48301f9e455ffad02cd51dd8302bc17a1d71a28f32ffa2c0412475074a75dc6a455caff3b175756330418c0d95f141e1ad8d01e32
SSDEEP

98304:WqBK+BxQakpthCzP5nbuOBqFJj8MNtLNxl:RBbP5BMl

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\{23ef39c2-0459-4a3c-a1e3-0a65bac5f3e6}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23ef39c2-0459-4a3c-a1e3-0a65bac5f3e6}\InprocServer32\ = "C:\\Program Files (x86)\\YoutubeAdBlocke\\WutLMOiFeGhOFW.x64.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23ef39c2-0459-4a3c-a1e3-0a65bac5f3e6}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23ef39c2-0459-4a3c-a1e3-0a65bac5f3e6}\InprocServer32	regsvr32.exe

Loads dropped DLL 3 IoCs

Processes:

f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exeregsvr32.exeregsvr32.exe

pid process

2000 f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
1348 regsvr32.exe
1228 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
2000	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
1348	regsvr32.exe
1228	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:

f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exeregsvr32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{23ef39c2-0459-4a3c-a1e3-0a65bac5f3e6}\ = "YoutubeAdBlocke"	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{23ef39c2-0459-4a3c-a1e3-0a65bac5f3e6}\NoExplorer = "1"	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{23ef39c2-0459-4a3c-a1e3-0a65bac5f3e6}	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{23ef39c2-0459-4a3c-a1e3-0a65bac5f3e6}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{23ef39c2-0459-4a3c-a1e3-0a65bac5f3e6}\ = "YoutubeAdBlocke"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{23ef39c2-0459-4a3c-a1e3-0a65bac5f3e6}\NoExplorer = "1"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{23ef39c2-0459-4a3c-a1e3-0a65bac5f3e6}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{23ef39c2-0459-4a3c-a1e3-0a65bac5f3e6}	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe

Drops file in Program Files directory 8 IoCs

Processes:

f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\YoutubeAdBlocke\WutLMOiFeGhOFW.dat	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
File created	C:\Program Files (x86)\YoutubeAdBlocke\WutLMOiFeGhOFW.x64.dll	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
File opened for modification	C:\Program Files (x86)\YoutubeAdBlocke\WutLMOiFeGhOFW.x64.dll	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
File created	C:\Program Files (x86)\YoutubeAdBlocke\WutLMOiFeGhOFW.dll	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
File opened for modification	C:\Program Files (x86)\YoutubeAdBlocke\WutLMOiFeGhOFW.dll	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
File created	C:\Program Files (x86)\YoutubeAdBlocke\WutLMOiFeGhOFW.tlb	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
File opened for modification	C:\Program Files (x86)\YoutubeAdBlocke\WutLMOiFeGhOFW.tlb	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
File created	C:\Program Files (x86)\YoutubeAdBlocke\WutLMOiFeGhOFW.dat	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe

Modifies Internet Explorer settings 1 TTPs 8 IoCs

adware spyware

Modify Registry

T1112

Processes:

f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exeregsvr32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{23ef39c2-0459-4a3c-a1e3-0a65bac5f3e6}	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{23EF39C2-0459-4A3C-A1E3-0A65BAC5F3E6}	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{23EF39C2-0459-4A3C-A1E3-0A65BAC5F3E6}	regsvr32.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{23ef39c2-0459-4a3c-a1e3-0a65bac5f3e6}	regsvr32.exe

Modifies registry class 64 IoCs

Processes:

f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exeregsvr32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\ = "YoutubeAdBlocke"	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "YoutubeAdBlocke"	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein"	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23ef39c2-0459-4a3c-a1e3-0a65bac5f3e6}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{23ef39c2-0459-4a3c-a1e3-0a65bac5f3e6}\ProgID	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{23ef39c2-0459-4a3c-a1e3-0a65bac5f3e6}	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{23EF39C2-0459-4A3C-A1E3-0A65BAC5F3E6}\Implemented Categories	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry"	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{23ef39c2-0459-4a3c-a1e3-0a65bac5f3e6}\VersionIndependentProgID\	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{23ef39c2-0459-4a3c-a1e3-0a65bac5f3e6}\InprocServer32	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{23ef39c2-0459-4a3c-a1e3-0a65bac5f3e6}\ProgID	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR\ = "C:\\Program Files (x86)\\YoutubeAdBlocke"	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\ = "YoutubeAdBlocke"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{23EF39C2-0459-4A3C-A1E3-0A65BAC5F3E6}	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23ef39c2-0459-4a3c-a1e3-0a65bac5f3e6}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{23ef39c2-0459-4a3c-a1e3-0a65bac5f3e6}"	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{23ef39c2-0459-4a3c-a1e3-0a65bac5f3e6}\ProgID\ = ".9"	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{23EF39C2-0459-4A3C-A1E3-0A65BAC5F3E6}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640}	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer\ = ".9"	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{23ef39c2-0459-4a3c-a1e3-0a65bac5f3e6}	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{23ef39c2-0459-4a3c-a1e3-0a65bac5f3e6}\VersionIndependentProgID	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{23ef39c2-0459-4a3c-a1e3-0a65bac5f3e6}\Programmable	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein"	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0"	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID\ = "{23ef39c2-0459-4a3c-a1e3-0a65bac5f3e6}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23ef39c2-0459-4a3c-a1e3-0a65bac5f3e6}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23ef39c2-0459-4a3c-a1e3-0a65bac5f3e6}\VersionIndependentProgID\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23EF39C2-0459-4A3C-A1E3-0A65BAC5F3E6}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640}	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{23ef39c2-0459-4a3c-a1e3-0a65bac5f3e6}\Programmable	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{23ef39c2-0459-4a3c-a1e3-0a65bac5f3e6}\ = "YoutubeAdBlocke"	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0"	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{23ef39c2-0459-4a3c-a1e3-0a65bac5f3e6}\InprocServer32	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{23ef39c2-0459-4a3c-a1e3-0a65bac5f3e6}\VersionIndependentProgID	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0"	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0"	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23ef39c2-0459-4a3c-a1e3-0a65bac5f3e6}	regsvr32.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exeregsvr32.exe

description	pid	process	target process
PID 2000 wrote to memory of 1348	2000	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe	regsvr32.exe
PID 2000 wrote to memory of 1348	2000	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe	regsvr32.exe
PID 2000 wrote to memory of 1348	2000	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe	regsvr32.exe
PID 2000 wrote to memory of 1348	2000	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe	regsvr32.exe
PID 2000 wrote to memory of 1348	2000	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe	regsvr32.exe
PID 2000 wrote to memory of 1348	2000	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe	regsvr32.exe
PID 2000 wrote to memory of 1348	2000	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe	regsvr32.exe
PID 1348 wrote to memory of 1228	1348	regsvr32.exe	regsvr32.exe
PID 1348 wrote to memory of 1228	1348	regsvr32.exe	regsvr32.exe
PID 1348 wrote to memory of 1228	1348	regsvr32.exe	regsvr32.exe
PID 1348 wrote to memory of 1228	1348	regsvr32.exe	regsvr32.exe
PID 1348 wrote to memory of 1228	1348	regsvr32.exe	regsvr32.exe
PID 1348 wrote to memory of 1228	1348	regsvr32.exe	regsvr32.exe
PID 1348 wrote to memory of 1228	1348	regsvr32.exe	regsvr32.exe

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

T1112

Processes:

f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID\{23ef39c2-0459-4a3c-a1e3-0a65bac5f3e6} = "1"	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe

C:\Users\Admin\AppData\Local\Temp\f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
"C:\Users\Admin\AppData\Local\Temp\f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.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:2000

C:\Windows\SysWOW64\regsvr32.exe
regsvr32.exe /s "C:\Program Files (x86)\YoutubeAdBlocke\WutLMOiFeGhOFW.x64.dll"
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1348

C:\Windows\system32\regsvr32.exe
/s "C:\Program Files (x86)\YoutubeAdBlocke\WutLMOiFeGhOFW.x64.dll"
3⤵
- Registers COM server for autorun
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies Internet Explorer settings
- Modifies registry class
PID:1228

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Browser Extensions

1

T1176

Registry Run Keys / Startup Folder

1

T1060

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

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Program Files (x86)\YoutubeAdBlocke\WutLMOiFeGhOFW.dat

Filesize
4KB

MD5
492b5626742f9c6e214453fd0e947f21

SHA1
685ac3b544c0178302de66ad241fe845ea018f32

SHA256
790de45501cb0cce11e46d54b43987bf0608b168bcadeb897439d4826c11149c

SHA512
7e7ff193858870b49bf36a6d17964d9e9a60f6e0ba2c8ad62d9192936aff92af46078ba4217fe38b6082cd0f3b6913799023f88d6fa4a76e0a27bc6069dddd9f

Download Submit
C:\Program Files (x86)\YoutubeAdBlocke\WutLMOiFeGhOFW.tlb

Filesize
3KB

MD5
e3ab22d8beac0180520ab5289a64419b

SHA1
1456ba2c78b293e5a80185fefdf05f5dbe424937

SHA256
0d3342857b67678dd76e6a24e137f0d75ba399bb48bf5095d7e4f7dfa0bbe416

SHA512
c04163026ffa1c6fab34b4fdbf23702148c7c2a31dd356d26f9541027db078b6433aff3a5f749a209a3acbcf3a853a9b5f77984540e21be1f823ce92bcbfc4bf

Download Submit
C:\Program Files (x86)\YoutubeAdBlocke\WutLMOiFeGhOFW.x64.dll

Filesize
872KB

MD5
337b97dbbcc7ad4d75fb5a90652e6de3

SHA1
50e50243af1819e62a7512d85e6dd67b8e1ed103

SHA256
b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

SHA512
dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

Download Submit
\Program Files (x86)\YoutubeAdBlocke\WutLMOiFeGhOFW.dll

Filesize
738KB

MD5
49961c7c9a7aef57f49adf50d1c810f6

SHA1
fc2078aeff5d5abee27c9e8a500cb2d6ae755b05

SHA256
c80abdc502d18db54137edc2680a498402c765999814b7fe1b2a7b69a64ce846

SHA512
8ad2c3dbd3b4390e4c49561f25ff2acdd4ab4468074e213f3efc81a598f71620e8f21fc87114623a6c0509997e47e1c4f5ffe703c7421ae313f7ba536df2772f

Download Submit
\Program Files (x86)\YoutubeAdBlocke\WutLMOiFeGhOFW.x64.dll

Filesize
872KB

MD5
337b97dbbcc7ad4d75fb5a90652e6de3

SHA1
50e50243af1819e62a7512d85e6dd67b8e1ed103

SHA256
b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

SHA512
dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

Download Submit
\Program Files (x86)\YoutubeAdBlocke\WutLMOiFeGhOFW.x64.dll

Filesize
872KB

MD5
337b97dbbcc7ad4d75fb5a90652e6de3

SHA1
50e50243af1819e62a7512d85e6dd67b8e1ed103

SHA256
b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

SHA512
dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

Download Submit
memory/1228-65-0x0000000000000000-mapping.dmp

Download
memory/1228-66-0x000007FEFC1F1000-0x000007FEFC1F3000-memory.dmp

Filesize
8KB

Download
memory/1348-61-0x0000000000000000-mapping.dmp

Download
memory/2000-54-0x00000000763F1000-0x00000000763F3000-memory.dmp

Filesize
8KB

Download
memory/2000-55-0x0000000002AE0000-0x0000000002BA9000-memory.dmp

Filesize
804KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads