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

2312 f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
4892 regsvr32.exe
4836 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
2312	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
4892	regsvr32.exe
4836	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.exef4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe

description	ioc	process
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
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

Drops file in Program Files directory 8 IoCs

Processes:

f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe

description	ioc	process
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
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

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-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{23ef39c2-0459-4a3c-a1e3-0a65bac5f3e6}	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{23EF39C2-0459-4A3C-A1E3-0A65BAC5F3E6}	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{23EF39C2-0459-4A3C-A1E3-0A65BAC5F3E6}	regsvr32.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{23ef39c2-0459-4a3c-a1e3-0a65bac5f3e6}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe

Modifies registry class 64 IoCs

Processes:

f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exeregsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}	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\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key deleted	\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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{23ef39c2-0459-4a3c-a1e3-0a65bac5f3e6}\InprocServer32\ThreadingModel = "Apartment"	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23ef39c2-0459-4a3c-a1e3-0a65bac5f3e6}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry"	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\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{23EF39C2-0459-4A3C-A1E3-0A65BAC5F3E6}	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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{23ef39c2-0459-4a3c-a1e3-0a65bac5f3e6}"	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.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}\InprocServer32	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{23ef39c2-0459-4a3c-a1e3-0a65bac5f3e6}\Programmable	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{23ef39c2-0459-4a3c-a1e3-0a65bac5f3e6}\VersionIndependentProgID	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{23ef39c2-0459-4a3c-a1e3-0a65bac5f3e6}	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.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
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23ef39c2-0459-4a3c-a1e3-0a65bac5f3e6}\InprocServer32	regsvr32.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\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0"	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0"	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23ef39c2-0459-4a3c-a1e3-0a65bac5f3e6}\Programmable	regsvr32.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\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23ef39c2-0459-4a3c-a1e3-0a65bac5f3e6}\ProgID\ = ".9"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23ef39c2-0459-4a3c-a1e3-0a65bac5f3e6}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0"	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23ef39c2-0459-4a3c-a1e3-0a65bac5f3e6}\ = "YoutubeAdBlocke"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "YoutubeAdBlocke"	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID\ = "{23ef39c2-0459-4a3c-a1e3-0a65bac5f3e6}"	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\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer	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\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	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\CLSID\{23ef39c2-0459-4a3c-a1e3-0a65bac5f3e6}\InprocServer32\ = "C:\\Program Files (x86)\\YoutubeAdBlocke\\WutLMOiFeGhOFW.dll"	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0"	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23ef39c2-0459-4a3c-a1e3-0a65bac5f3e6}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23ef39c2-0459-4a3c-a1e3-0a65bac5f3e6}\VersionIndependentProgID\	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32\ = "C:\\Program Files (x86)\\YoutubeAdBlocke\\WutLMOiFeGhOFW.tlb"	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23ef39c2-0459-4a3c-a1e3-0a65bac5f3e6}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23ef39c2-0459-4a3c-a1e3-0a65bac5f3e6}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23EF39C2-0459-4A3C-A1E3-0A65BAC5F3E6}\Implemented Categories	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\ = "YoutubeAdBlocke"	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{23ef39c2-0459-4a3c-a1e3-0a65bac5f3e6}\ProgID	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exeregsvr32.exe

description	pid	process	target process
PID 2312 wrote to memory of 4892	2312	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe	regsvr32.exe
PID 2312 wrote to memory of 4892	2312	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe	regsvr32.exe
PID 2312 wrote to memory of 4892	2312	f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe	regsvr32.exe
PID 4892 wrote to memory of 4836	4892	regsvr32.exe	regsvr32.exe
PID 4892 wrote to memory of 4836	4892	regsvr32.exe	regsvr32.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

Processes:

f4519e75f1795321d5b68e74b01e9e6a6a5f271c7c8cff84a40a9e2a0c87b5b8.exe

description	ioc	process
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:2312

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:4892

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:4836

Network

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\WutLMOiFeGhOFW.dat
Filesize
4KB

MD5
492b5626742f9c6e214453fd0e947f21

SHA1
685ac3b544c0178302de66ad241fe845ea018f32

SHA256
790de45501cb0cce11e46d54b43987bf0608b168bcadeb897439d4826c11149c

SHA512
7e7ff193858870b49bf36a6d17964d9e9a60f6e0ba2c8ad62d9192936aff92af46078ba4217fe38b6082cd0f3b6913799023f88d6fa4a76e0a27bc6069dddd9f

Download Submit
C:\Program Files (x86)\YoutubeAdBlocke\WutLMOiFeGhOFW.dll
Filesize
738KB

MD5
49961c7c9a7aef57f49adf50d1c810f6

SHA1
fc2078aeff5d5abee27c9e8a500cb2d6ae755b05

SHA256
c80abdc502d18db54137edc2680a498402c765999814b7fe1b2a7b69a64ce846

SHA512
8ad2c3dbd3b4390e4c49561f25ff2acdd4ab4468074e213f3efc81a598f71620e8f21fc87114623a6c0509997e47e1c4f5ffe703c7421ae313f7ba536df2772f

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
C:\Program Files (x86)\YoutubeAdBlocke\WutLMOiFeGhOFW.x64.dll
Filesize
872KB

MD5
337b97dbbcc7ad4d75fb5a90652e6de3

SHA1
50e50243af1819e62a7512d85e6dd67b8e1ed103

SHA256
b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

SHA512
dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

Download Submit
C:\Program Files (x86)\YoutubeAdBlocke\WutLMOiFeGhOFW.x64.dll
Filesize
872KB

MD5
337b97dbbcc7ad4d75fb5a90652e6de3

SHA1
50e50243af1819e62a7512d85e6dd67b8e1ed103

SHA256
b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

SHA512
dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

Download Submit
memory/2312-132-0x0000000002FE0000-0x00000000030A9000-memory.dmp

Filesize
804KB

Download
memory/4836-141-0x0000000000000000-mapping.dmp

Download
memory/4892-138-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads