3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24

General

Target

3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
Size

4.3MB
MD5

a64712df601852a246f8594636070fb8
SHA1

228d8cd77c753c6c6a65e5061ea01c58dd59aeed
SHA256

3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24
SHA512

d51a8ef11199c944b853daee1d7880477f802aefb4ee2afb305e861fc50756f281579c7926d39f6f5d814de64a4ca94b1784939b93bd977c9bcb46556a0508a9
SSDEEP

49152:MhOqIruzyb7SO6rmxup4FdGKvghxfki1T9buOBqFqjSlM/Zf0weeDNxp/:6uuzAT6TKcHbuOBqFqj8MNtLNxp

Score

8^/10

adware discovery persistence 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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e2d85f9f-efb5-4ace-a2f8-de97a52f73b4}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e2d85f9f-efb5-4ace-a2f8-de97a52f73b4}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e2d85f9f-efb5-4ace-a2f8-de97a52f73b4}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e2d85f9f-efb5-4ace-a2f8-de97a52f73b4}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\Fv4yReOevaQXMT.x64.dll"	regsvr32.exe

Loads dropped DLL 3 IoCs

Processes:

3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exeregsvr32.exeregsvr32.exe

pid process

4428 3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
3892 regsvr32.exe
1388 regsvr32.exe
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
4428	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
3892	regsvr32.exe
1388	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:

3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exeregsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{e2d85f9f-efb5-4ace-a2f8-de97a52f73b4}	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{e2d85f9f-efb5-4ace-a2f8-de97a52f73b4}\ = "GoSave"	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{e2d85f9f-efb5-4ace-a2f8-de97a52f73b4}\NoExplorer = "1"	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{e2d85f9f-efb5-4ace-a2f8-de97a52f73b4}	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{e2d85f9f-efb5-4ace-a2f8-de97a52f73b4}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{e2d85f9f-efb5-4ace-a2f8-de97a52f73b4}\ = "GoSave"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{e2d85f9f-efb5-4ace-a2f8-de97a52f73b4}\NoExplorer = "1"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{e2d85f9f-efb5-4ace-a2f8-de97a52f73b4}	regsvr32.exe

Drops file in Program Files directory 8 IoCs

Processes:

3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe

description	ioc	process
File created	C:\Program Files (x86)\GoSave\Fv4yReOevaQXMT.x64.dll	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
File opened for modification	C:\Program Files (x86)\GoSave\Fv4yReOevaQXMT.x64.dll	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
File created	C:\Program Files (x86)\GoSave\Fv4yReOevaQXMT.dll	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
File opened for modification	C:\Program Files (x86)\GoSave\Fv4yReOevaQXMT.dll	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
File created	C:\Program Files (x86)\GoSave\Fv4yReOevaQXMT.tlb	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
File opened for modification	C:\Program Files (x86)\GoSave\Fv4yReOevaQXMT.tlb	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
File created	C:\Program Files (x86)\GoSave\Fv4yReOevaQXMT.dat	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
File opened for modification	C:\Program Files (x86)\GoSave\Fv4yReOevaQXMT.dat	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4932 4428 WerFault.exe 3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe

pid	pid_target	process	target process
4932	4428	WerFault.exe	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe

Modifies Internet Explorer settings 1 TTPs 8 IoCs

adware spyware

Modify Registry

T1112

Processes:

3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exeregsvr32.exe

description	ioc	process
Key deleted	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{E2D85F9F-EFB5-4ACE-A2F8-DE97A52F73B4}	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{E2D85F9F-EFB5-4ACE-A2F8-DE97A52F73B4}	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\{e2d85f9f-efb5-4ace-a2f8-de97a52f73b4}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{e2d85f9f-efb5-4ace-a2f8-de97a52f73b4}	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe

Modifies registry class 64 IoCs

Processes:

3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exeregsvr32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS\ = "0"	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage"	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer\ = ".9"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e2d85f9f-efb5-4ace-a2f8-de97a52f73b4}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e2d85f9f-efb5-4ace-a2f8-de97a52f73b4}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0"	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\ = "IEPluginLib"	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e2d85f9f-efb5-4ace-a2f8-de97a52f73b4}\InprocServer32	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e2d85f9f-efb5-4ace-a2f8-de97a52f73b4}\VersionIndependentProgID	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32\ = "C:\\Program Files (x86)\\GoSave\\Fv4yReOevaQXMT.tlb"	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein"	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e2d85f9f-efb5-4ace-a2f8-de97a52f73b4}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID\ = "{e2d85f9f-efb5-4ace-a2f8-de97a52f73b4}"	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E2D85F9F-EFB5-4ACE-A2F8-DE97A52F73B4}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640}	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein"	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry"	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "GoSave"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e2d85f9f-efb5-4ace-a2f8-de97a52f73b4}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer\ = ".9"	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0"	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0"	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage"	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e2d85f9f-efb5-4ace-a2f8-de97a52f73b4}\Programmable	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e2d85f9f-efb5-4ace-a2f8-de97a52f73b4}\ProgID	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E2D85F9F-EFB5-4ACE-A2F8-DE97A52F73B4}\Implemented Categories	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e2d85f9f-efb5-4ace-a2f8-de97a52f73b4}\VersionIndependentProgID	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e2d85f9f-efb5-4ace-a2f8-de97a52f73b4}\Programmable	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e2d85f9f-efb5-4ace-a2f8-de97a52f73b4}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e2d85f9f-efb5-4ace-a2f8-de97a52f73b4}\VersionIndependentProgID\	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e2d85f9f-efb5-4ace-a2f8-de97a52f73b4}\ = "GoSave"	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e2d85f9f-efb5-4ace-a2f8-de97a52f73b4}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\Fv4yReOevaQXMT.dll"	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e2d85f9f-efb5-4ace-a2f8-de97a52f73b4}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0"	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{e2d85f9f-efb5-4ace-a2f8-de97a52f73b4}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e2d85f9f-efb5-4ace-a2f8-de97a52f73b4}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e2d85f9f-efb5-4ace-a2f8-de97a52f73b4}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\Fv4yReOevaQXMT.x64.dll"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e2d85f9f-efb5-4ace-a2f8-de97a52f73b4}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR\ = "C:\\Program Files (x86)\\GoSave"	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exeregsvr32.exe

description	pid	process	target process
PID 4428 wrote to memory of 3892	4428	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe	regsvr32.exe
PID 4428 wrote to memory of 3892	4428	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe	regsvr32.exe
PID 4428 wrote to memory of 3892	4428	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe	regsvr32.exe
PID 3892 wrote to memory of 1388	3892	regsvr32.exe	regsvr32.exe
PID 3892 wrote to memory of 1388	3892	regsvr32.exe	regsvr32.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

Processes:

3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID\{e2d85f9f-efb5-4ace-a2f8-de97a52f73b4} = "1"	3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe

C:\Users\Admin\AppData\Local\Temp\3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.exe
"C:\Users\Admin\AppData\Local\Temp\3aaee0fe5698a5d2aa746ef9078e7897bc22ab120cc30b9a4daf2709a12b2a24.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:4428

C:\Windows\SysWOW64\regsvr32.exe
regsvr32.exe /s "C:\Program Files (x86)\GoSave\Fv4yReOevaQXMT.x64.dll"
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3892

C:\Windows\system32\regsvr32.exe
/s "C:\Program Files (x86)\GoSave\Fv4yReOevaQXMT.x64.dll"
3⤵
- Registers COM server for autorun
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies Internet Explorer settings
- Modifies registry class
PID:1388

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4428 -s 784
2⤵
- Program crash
PID:4932

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4428 -ip 4428
1⤵
PID:2236

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

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Program Files (x86)\GoSave\Fv4yReOevaQXMT.dat
Filesize
4KB

MD5
e30b0bf2a2f42dfdfeefcd4d15bdf628

SHA1
ab99da80f4a9e7ad533bcff652a91441ff52ac6b

SHA256
20d8f94f347fdd97e604015856e791dd19ec06894c2c49223a71dfba041797b2

SHA512
cd53cc0f0cb2e9ce3f3a7a8e20bf001f359dda9fbc73b86b6b838dea3073e6a4fcf960dcded7c205af13bfdf851efb700788fc23e58e957a200ed02c4e1c259f

Download Submit
C:\Program Files (x86)\GoSave\Fv4yReOevaQXMT.dll
Filesize
738KB

MD5
49961c7c9a7aef57f49adf50d1c810f6

SHA1
fc2078aeff5d5abee27c9e8a500cb2d6ae755b05

SHA256
c80abdc502d18db54137edc2680a498402c765999814b7fe1b2a7b69a64ce846

SHA512
8ad2c3dbd3b4390e4c49561f25ff2acdd4ab4468074e213f3efc81a598f71620e8f21fc87114623a6c0509997e47e1c4f5ffe703c7421ae313f7ba536df2772f

Download Submit
C:\Program Files (x86)\GoSave\Fv4yReOevaQXMT.tlb
Filesize
3KB

MD5
e3ab22d8beac0180520ab5289a64419b

SHA1
1456ba2c78b293e5a80185fefdf05f5dbe424937

SHA256
0d3342857b67678dd76e6a24e137f0d75ba399bb48bf5095d7e4f7dfa0bbe416

SHA512
c04163026ffa1c6fab34b4fdbf23702148c7c2a31dd356d26f9541027db078b6433aff3a5f749a209a3acbcf3a853a9b5f77984540e21be1f823ce92bcbfc4bf

Download Submit
C:\Program Files (x86)\GoSave\Fv4yReOevaQXMT.x64.dll
Filesize
872KB

MD5
337b97dbbcc7ad4d75fb5a90652e6de3

SHA1
50e50243af1819e62a7512d85e6dd67b8e1ed103

SHA256
b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

SHA512
dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

Download Submit
C:\Program Files (x86)\GoSave\Fv4yReOevaQXMT.x64.dll
Filesize
872KB

MD5
337b97dbbcc7ad4d75fb5a90652e6de3

SHA1
50e50243af1819e62a7512d85e6dd67b8e1ed103

SHA256
b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

SHA512
dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

Download Submit
C:\Program Files (x86)\GoSave\Fv4yReOevaQXMT.x64.dll
Filesize
872KB

MD5
337b97dbbcc7ad4d75fb5a90652e6de3

SHA1
50e50243af1819e62a7512d85e6dd67b8e1ed103

SHA256
b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

SHA512
dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

Download Submit
memory/1388-141-0x0000000000000000-mapping.dmp

Download
memory/3892-138-0x0000000000000000-mapping.dmp

Download
memory/4428-132-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads