a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783

General

Target

a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
Size

4.2MB
MD5

595d723f553b36457c7c3a8102eab206
SHA1

5d01cd857fc334d51071662309ece55002f58308
SHA256

a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783
SHA512

f7ee9585064499fac3a2fac700d33b93da4782f2f2c6102338538e87c4dfb3589ef67b2178c8425f6afb34613134f859d848c491898a49872f9383efbc64eb70
SSDEEP

98304:ChtlEBUFD0kHwcbcGf1gTtBi2FeBJ9cHVCl/zoy7+nXsqLeZMroMNm0o/cWUVM63:HUFDH7bcGfStjF6AR0n

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\{3b9267c1-b14d-40af-b5df-0070d38b6edd}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\rLTSwvr6hKghqJ.x64.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3b9267c1-b14d-40af-b5df-0070d38b6edd}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3b9267c1-b14d-40af-b5df-0070d38b6edd}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3b9267c1-b14d-40af-b5df-0070d38b6edd}\InprocServer32	regsvr32.exe

Loads dropped DLL 3 IoCs

Processes:

a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exeregsvr32.exeregsvr32.exe

pid process

4088 a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
1916 regsvr32.exe
740 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
4088	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
1916	regsvr32.exe
740	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:

a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exeregsvr32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{3b9267c1-b14d-40af-b5df-0070d38b6edd}\ = "GoSave"	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{3b9267c1-b14d-40af-b5df-0070d38b6edd}\NoExplorer = "1"	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{3b9267c1-b14d-40af-b5df-0070d38b6edd}	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{3b9267c1-b14d-40af-b5df-0070d38b6edd}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{3b9267c1-b14d-40af-b5df-0070d38b6edd}\ = "GoSave"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{3b9267c1-b14d-40af-b5df-0070d38b6edd}\NoExplorer = "1"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{3b9267c1-b14d-40af-b5df-0070d38b6edd}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{3b9267c1-b14d-40af-b5df-0070d38b6edd}	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe

Drops file in Program Files directory 8 IoCs

Processes:

a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe

description	ioc	process
File created	C:\Program Files (x86)\GoSave\rLTSwvr6hKghqJ.dll	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
File opened for modification	C:\Program Files (x86)\GoSave\rLTSwvr6hKghqJ.dll	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
File created	C:\Program Files (x86)\GoSave\rLTSwvr6hKghqJ.tlb	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
File opened for modification	C:\Program Files (x86)\GoSave\rLTSwvr6hKghqJ.tlb	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
File created	C:\Program Files (x86)\GoSave\rLTSwvr6hKghqJ.dat	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
File opened for modification	C:\Program Files (x86)\GoSave\rLTSwvr6hKghqJ.dat	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
File created	C:\Program Files (x86)\GoSave\rLTSwvr6hKghqJ.x64.dll	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
File opened for modification	C:\Program Files (x86)\GoSave\rLTSwvr6hKghqJ.x64.dll	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe

Modifies Internet Explorer settings 1 TTPs 8 IoCs

adware spyware

Modify Registry

T1112

Processes:

regsvr32.exea6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{3b9267c1-b14d-40af-b5df-0070d38b6edd}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{3b9267c1-b14d-40af-b5df-0070d38b6edd}	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
Key deleted	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{3B9267C1-B14D-40AF-B5DF-0070D38B6EDD}	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
Key deleted	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
Key deleted	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{3B9267C1-B14D-40AF-B5DF-0070D38B6EDD}	regsvr32.exe
Key deleted	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe

Modifies registry class 64 IoCs

Processes:

a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exeregsvr32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{3b9267c1-b14d-40af-b5df-0070d38b6edd}"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3b9267c1-b14d-40af-b5df-0070d38b6edd}\VersionIndependentProgID	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3B9267C1-B14D-40AF-B5DF-0070D38B6EDD}	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3B9267C1-B14D-40AF-B5DF-0070D38B6EDD}\Implemented Categories	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3b9267c1-b14d-40af-b5df-0070d38b6edd}	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3b9267c1-b14d-40af-b5df-0070d38b6edd}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3b9267c1-b14d-40af-b5df-0070d38b6edd}\VersionIndependentProgID	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3b9267c1-b14d-40af-b5df-0070d38b6edd}\InprocServer32	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS\ = "0"	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3b9267c1-b14d-40af-b5df-0070d38b6edd}\InprocServer32	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3b9267c1-b14d-40af-b5df-0070d38b6edd}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\ = "GoSave"	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage"	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3b9267c1-b14d-40af-b5df-0070d38b6edd}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32\ = "C:\\Program Files (x86)\\GoSave\\rLTSwvr6hKghqJ.tlb"	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein"	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0"	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry"	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3b9267c1-b14d-40af-b5df-0070d38b6edd}\VersionIndependentProgID\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\..9	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0"	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0"	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "GoSave"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer\ = ".9"	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3b9267c1-b14d-40af-b5df-0070d38b6edd}\ProgID	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3b9267c1-b14d-40af-b5df-0070d38b6edd}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\rLTSwvr6hKghqJ.x64.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\ = "GoSave"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{3b9267c1-b14d-40af-b5df-0070d38b6edd}"	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3b9267c1-b14d-40af-b5df-0070d38b6edd}	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein"	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0"	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3B9267C1-B14D-40AF-B5DF-0070D38B6EDD}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3b9267c1-b14d-40af-b5df-0070d38b6edd}\VersionIndependentProgID\	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3b9267c1-b14d-40af-b5df-0070d38b6edd}\ProgID	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3b9267c1-b14d-40af-b5df-0070d38b6edd}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID\ = "{3b9267c1-b14d-40af-b5df-0070d38b6edd}"	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3b9267c1-b14d-40af-b5df-0070d38b6edd}\ = "GoSave"	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exeregsvr32.exe

description	pid	process	target process
PID 4088 wrote to memory of 1916	4088	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe	regsvr32.exe
PID 4088 wrote to memory of 1916	4088	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe	regsvr32.exe
PID 4088 wrote to memory of 1916	4088	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe	regsvr32.exe
PID 1916 wrote to memory of 740	1916	regsvr32.exe	regsvr32.exe
PID 1916 wrote to memory of 740	1916	regsvr32.exe	regsvr32.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

Processes:

a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID\{3b9267c1-b14d-40af-b5df-0070d38b6edd} = "1"	a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe

C:\Users\Admin\AppData\Local\Temp\a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.exe
"C:\Users\Admin\AppData\Local\Temp\a6462f3308ed262a915eecaa3860e4a01856b7b1d69a01ffec0cf1d9efb0c783.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:4088

C:\Windows\SysWOW64\regsvr32.exe
regsvr32.exe /s "C:\Program Files (x86)\GoSave\rLTSwvr6hKghqJ.x64.dll"
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1916

C:\Windows\system32\regsvr32.exe
/s "C:\Program Files (x86)\GoSave\rLTSwvr6hKghqJ.x64.dll"
3⤵
- Registers COM server for autorun
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies Internet Explorer settings
- Modifies registry class
PID:740

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

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\GoSave\rLTSwvr6hKghqJ.dat
Filesize
4KB

MD5
91c8883390b59418d9000163bb6383be

SHA1
254506fbe13ebcb140ce805e027652058a357c84

SHA256
aef01ed950b5a5463945c1f059a88ef864598cb9a8679ac2501f9b8a58d4b245

SHA512
370b6209419f898df116b273cc9b8e1c3dc5f5f643c3111be7354171d135bf59c06bb26603619c617e480956f144d0609b6a9d498f730cd0ac1a3193f74f322c

Download Submit
C:\Program Files (x86)\GoSave\rLTSwvr6hKghqJ.dll
Filesize
613KB

MD5
0df7c26b4abf65cd6ca180c2ddc7ae4b

SHA1
d43e0770e0a5778525a4828f46e1e4448cdc9aa8

SHA256
f133fed29f50b1cdc8af2043608b14f8f20ab5349a2cfe16536d089966eb120b

SHA512
29ca79a58784de2855975849a94f0f3e55b3a13ece1cf9ff25db98d397c1758d88df8ac4887dfb48b28a89564e60a3a0195140d154ce0d0b81569fd0931fc474

Download Submit
C:\Program Files (x86)\GoSave\rLTSwvr6hKghqJ.tlb
Filesize
3KB

MD5
ab50bfd160f5251c1c06947ba8523db0

SHA1
7940cc61ab4e0bb82afc03dd141eaf8bd963c091

SHA256
a23c9c376478404d8f90d1d984935f7b5e5f2e5674fd8a7642dc89f2b1b2c4a8

SHA512
506baa3f8ca880eeb4d26e9744babef326d2b5b1fb0971c712072c4aeeaaaff702847c045fe0270d45cc71a0b7fb53ba0af60aeaa34f5154f9617c85a06c3334

Download Submit
C:\Program Files (x86)\GoSave\rLTSwvr6hKghqJ.x64.dll
Filesize
695KB

MD5
2e506193dce62c7f1cf73d8709f60d2d

SHA1
746e4a7b0505d2eb486896c913c917075f23d974

SHA256
18f9cd61c2de7ce04bb14e08820d52cc42e9b2b5a63dd9770d83df2867947d9a

SHA512
bb49793b6263920a61d602b2cb33e241cfc5e3c624a65b62dcd7ad4924fdceeefe4d73c08c5c5163860a65438262439a64119c13c734fc404f01be8d0085fb64

Download Submit
C:\Program Files (x86)\GoSave\rLTSwvr6hKghqJ.x64.dll
Filesize
695KB

MD5
2e506193dce62c7f1cf73d8709f60d2d

SHA1
746e4a7b0505d2eb486896c913c917075f23d974

SHA256
18f9cd61c2de7ce04bb14e08820d52cc42e9b2b5a63dd9770d83df2867947d9a

SHA512
bb49793b6263920a61d602b2cb33e241cfc5e3c624a65b62dcd7ad4924fdceeefe4d73c08c5c5163860a65438262439a64119c13c734fc404f01be8d0085fb64

Download Submit
C:\Program Files (x86)\GoSave\rLTSwvr6hKghqJ.x64.dll
Filesize
695KB

MD5
2e506193dce62c7f1cf73d8709f60d2d

SHA1
746e4a7b0505d2eb486896c913c917075f23d974

SHA256
18f9cd61c2de7ce04bb14e08820d52cc42e9b2b5a63dd9770d83df2867947d9a

SHA512
bb49793b6263920a61d602b2cb33e241cfc5e3c624a65b62dcd7ad4924fdceeefe4d73c08c5c5163860a65438262439a64119c13c734fc404f01be8d0085fb64

Download Submit
memory/740-141-0x0000000000000000-mapping.dmp

Download
memory/1916-138-0x0000000000000000-mapping.dmp

Download
memory/4088-132-0x0000000002F20000-0x0000000002FC3000-memory.dmp

Filesize
652KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads