5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55

General

Target

5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Size

3.6MB
MD5

ef69b9bc7277c17f77498c87f925b250
SHA1

25c9b30f93f07546c780bc8b869becd59fb6c1f7
SHA256

5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55
SHA512

4d2fb93f854bc84c9540c3bf80761b608a2dbd5b829665d98d8016332a143fd8645e06586b059c7282e96f890ac43cc93c7e11e48f5fdc80806e9b71037deef1
SSDEEP

98304:9ud29of5RqtmqfriR42N/29nzNsccMpY:Ax6TzNjNpY

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\{f3d6b1b4-a9bf-4a7a-867b-8b4f437e6d81}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f3d6b1b4-a9bf-4a7a-867b-8b4f437e6d81}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f3d6b1b4-a9bf-4a7a-867b-8b4f437e6d81}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f3d6b1b4-a9bf-4a7a-867b-8b4f437e6d81}\InprocServer32\ = "C:\\Program Files (x86)\\GoSaveu\\nbA6grcyh555aE.x64.dll"	regsvr32.exe

Loads dropped DLL 3 IoCs

Processes:

5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exeregsvr32.exeregsvr32.exe

pid process

1108 5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
1028 regsvr32.exe
880 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
1108	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
1028	regsvr32.exe
880	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:

5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exeregsvr32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{f3d6b1b4-a9bf-4a7a-867b-8b4f437e6d81}\ = "GoSaveu"	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{f3d6b1b4-a9bf-4a7a-867b-8b4f437e6d81}\NoExplorer = "1"	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{f3d6b1b4-a9bf-4a7a-867b-8b4f437e6d81}	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{f3d6b1b4-a9bf-4a7a-867b-8b4f437e6d81}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{f3d6b1b4-a9bf-4a7a-867b-8b4f437e6d81}\ = "GoSaveu"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{f3d6b1b4-a9bf-4a7a-867b-8b4f437e6d81}\NoExplorer = "1"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{f3d6b1b4-a9bf-4a7a-867b-8b4f437e6d81}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{f3d6b1b4-a9bf-4a7a-867b-8b4f437e6d81}	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe

Drops file in Program Files directory 8 IoCs

Processes:

5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\GoSaveu\nbA6grcyh555aE.tlb	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
File created	C:\Program Files (x86)\GoSaveu\nbA6grcyh555aE.dat	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
File opened for modification	C:\Program Files (x86)\GoSaveu\nbA6grcyh555aE.dat	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
File created	C:\Program Files (x86)\GoSaveu\nbA6grcyh555aE.x64.dll	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
File opened for modification	C:\Program Files (x86)\GoSaveu\nbA6grcyh555aE.x64.dll	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
File created	C:\Program Files (x86)\GoSaveu\nbA6grcyh555aE.dll	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
File opened for modification	C:\Program Files (x86)\GoSaveu\nbA6grcyh555aE.dll	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
File created	C:\Program Files (x86)\GoSaveu\nbA6grcyh555aE.tlb	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe

Modifies Internet Explorer settings 1 TTPs 8 IoCs

adware spyware

Modify Registry

T1112

Processes:

5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exeregsvr32.exe

description	ioc	process
Key deleted	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{F3D6B1B4-A9BF-4A7A-867B-8B4F437E6D81}	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Key deleted	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Key deleted	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{F3D6B1B4-A9BF-4A7A-867B-8B4F437E6D81}	regsvr32.exe
Key deleted	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{f3d6b1b4-a9bf-4a7a-867b-8b4f437e6d81}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{f3d6b1b4-a9bf-4a7a-867b-8b4f437e6d81}	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe

Modifies registry class 64 IoCs

Processes:

5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exeregsvr32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\ = "IEPluginLib"	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f3d6b1b4-a9bf-4a7a-867b-8b4f437e6d81}\Programmable	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f3d6b1b4-a9bf-4a7a-867b-8b4f437e6d81}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{f3d6b1b4-a9bf-4a7a-867b-8b4f437e6d81}\Programmable	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{f3d6b1b4-a9bf-4a7a-867b-8b4f437e6d81}\InprocServer32	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0"	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{f3d6b1b4-a9bf-4a7a-867b-8b4f437e6d81}"	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{f3d6b1b4-a9bf-4a7a-867b-8b4f437e6d81}\VersionIndependentProgID\	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0"	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F3D6B1B4-A9BF-4A7A-867B-8B4F437E6D81}\Implemented Categories	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR\ = "C:\\Program Files (x86)\\GoSaveu"	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f3d6b1b4-a9bf-4a7a-867b-8b4f437e6d81}\ProgID	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f3d6b1b4-a9bf-4a7a-867b-8b4f437e6d81}	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{f3d6b1b4-a9bf-4a7a-867b-8b4f437e6d81}\ProgID	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{f3d6b1b4-a9bf-4a7a-867b-8b4f437e6d81}	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{f3d6b1b4-a9bf-4a7a-867b-8b4f437e6d81}\VersionIndependentProgID	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{f3d6b1b4-a9bf-4a7a-867b-8b4f437e6d81}\Programmable	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F3D6B1B4-A9BF-4A7A-867B-8B4F437E6D81}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640}	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32\ = "C:\\Program Files (x86)\\GoSaveu\\nbA6grcyh555aE.tlb"	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f3d6b1b4-a9bf-4a7a-867b-8b4f437e6d81}\ = "GoSaveu"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f3d6b1b4-a9bf-4a7a-867b-8b4f437e6d81}\InprocServer32\ = "C:\\Program Files (x86)\\GoSaveu\\nbA6grcyh555aE.x64.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer\ = ".9"	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage"	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f3d6b1b4-a9bf-4a7a-867b-8b4f437e6d81}\VersionIndependentProgID\	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{f3d6b1b4-a9bf-4a7a-867b-8b4f437e6d81}\InprocServer32\ = "C:\\Program Files (x86)\\GoSaveu\\nbA6grcyh555aE.dll"	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein"	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "GoSaveu"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{f3d6b1b4-a9bf-4a7a-867b-8b4f437e6d81}	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F3D6B1B4-A9BF-4A7A-867B-8B4F437E6D81}	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f3d6b1b4-a9bf-4a7a-867b-8b4f437e6d81}\InprocServer32	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f3d6b1b4-a9bf-4a7a-867b-8b4f437e6d81}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID\ = "{f3d6b1b4-a9bf-4a7a-867b-8b4f437e6d81}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer\ = ".9"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\..9	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage"	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f3d6b1b4-a9bf-4a7a-867b-8b4f437e6d81}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f3d6b1b4-a9bf-4a7a-867b-8b4f437e6d81}\ProgID\ = ".9"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{f3d6b1b4-a9bf-4a7a-867b-8b4f437e6d81}\InprocServer32	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0"	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{f3d6b1b4-a9bf-4a7a-867b-8b4f437e6d81}\ProgID\ = ".9"	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exeregsvr32.exe

description	pid	process	target process
PID 1108 wrote to memory of 1028	1108	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe	regsvr32.exe
PID 1108 wrote to memory of 1028	1108	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe	regsvr32.exe
PID 1108 wrote to memory of 1028	1108	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe	regsvr32.exe
PID 1108 wrote to memory of 1028	1108	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe	regsvr32.exe
PID 1108 wrote to memory of 1028	1108	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe	regsvr32.exe
PID 1108 wrote to memory of 1028	1108	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe	regsvr32.exe
PID 1108 wrote to memory of 1028	1108	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe	regsvr32.exe
PID 1028 wrote to memory of 880	1028	regsvr32.exe	regsvr32.exe
PID 1028 wrote to memory of 880	1028	regsvr32.exe	regsvr32.exe
PID 1028 wrote to memory of 880	1028	regsvr32.exe	regsvr32.exe
PID 1028 wrote to memory of 880	1028	regsvr32.exe	regsvr32.exe
PID 1028 wrote to memory of 880	1028	regsvr32.exe	regsvr32.exe
PID 1028 wrote to memory of 880	1028	regsvr32.exe	regsvr32.exe
PID 1028 wrote to memory of 880	1028	regsvr32.exe	regsvr32.exe

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

T1112

Processes:

5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID\{f3d6b1b4-a9bf-4a7a-867b-8b4f437e6d81} = "1"	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe

C:\Users\Admin\AppData\Local\Temp\5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
"C:\Users\Admin\AppData\Local\Temp\5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.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:1108

C:\Windows\SysWOW64\regsvr32.exe
regsvr32.exe /s "C:\Program Files (x86)\GoSaveu\nbA6grcyh555aE.x64.dll"
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1028

C:\Windows\system32\regsvr32.exe
/s "C:\Program Files (x86)\GoSaveu\nbA6grcyh555aE.x64.dll"
3⤵
- Registers COM server for autorun
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies Internet Explorer settings
- Modifies registry class
PID:880

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

Replay Monitor

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Downloads

C:\Program Files (x86)\GoSaveu\nbA6grcyh555aE.dat

Filesize
3KB

MD5
4f1ebc7b7c52e281065a733bc9328fc2

SHA1
39a0aaba2ee471f0437358a7d4ccb5b2fce177c0

SHA256
e28afa58ff637cb46d480e118944687e9bdf74c6957f1aeb7bbe859ae70b91c7

SHA512
7aa612ff37db885d02a8add391a0a82ef60b04874624810d6bfabb9da24d2bce354971818477df3e8aa4ce19affcfe6714eb7784ef4aff5a5c5d0ed922bb6c72

Download Submit
C:\Program Files (x86)\GoSaveu\nbA6grcyh555aE.tlb

Filesize
3KB

MD5
934268ece04f6de7c76bfed3478cf1d4

SHA1
a4e0ca22b9db6bfcf061d76e8101ef7559813954

SHA256
ab54518451a446e00679b2dbecd9285d8a96841ad27df558a2e0b6ce55252b8c

SHA512
043fa5fd301b7bbdb6f9ee7766c46dfe5da897b7f7dd164372326416fdb1b7cb3c3809f1293b987077ded2664daf123f9bb217cb12c7d9bf923b1df6a2afccea

Download Submit
C:\Program Files (x86)\GoSaveu\nbA6grcyh555aE.x64.dll

Filesize
700KB

MD5
5bdec27c100693ecb0b61cc2555e8505

SHA1
771242d417269c2f9150d649f06e6ec8e8bd8cb7

SHA256
ca873de4e82bcaefde87f524b1284723ee61e70767bcb9f45f78a2e52547b326

SHA512
1b4067351a9912bdd4ad0285470396273563336bad6029c2d05e48fb1fd9971c69115cca1ec46dc7ce37274c7c48a2364498cb180563f7871cd838aebbd8c6b4

Download Submit
\Program Files (x86)\GoSaveu\nbA6grcyh555aE.dll

Filesize
617KB

MD5
5b02fe261c5832aba1e2b35228934c17

SHA1
b30aef32bfc7fb93add291dd7699d209fc3a60c1

SHA256
af2632d8ad1a0b0e706f260de79b687cf94855d911bf5fc9d4b7007e256e7a6c

SHA512
936b81acb1219be1c18b958f4fc3bd7c5c1ab617fa20e76db165f6ffdb2f674c602c18522980527d84cad7a93dcc79cb222e5e4a8b301298ec141a8b6eb26e72

Download Submit
\Program Files (x86)\GoSaveu\nbA6grcyh555aE.x64.dll

Filesize
700KB

MD5
5bdec27c100693ecb0b61cc2555e8505

SHA1
771242d417269c2f9150d649f06e6ec8e8bd8cb7

SHA256
ca873de4e82bcaefde87f524b1284723ee61e70767bcb9f45f78a2e52547b326

SHA512
1b4067351a9912bdd4ad0285470396273563336bad6029c2d05e48fb1fd9971c69115cca1ec46dc7ce37274c7c48a2364498cb180563f7871cd838aebbd8c6b4

Download Submit
\Program Files (x86)\GoSaveu\nbA6grcyh555aE.x64.dll

Filesize
700KB

MD5
5bdec27c100693ecb0b61cc2555e8505

SHA1
771242d417269c2f9150d649f06e6ec8e8bd8cb7

SHA256
ca873de4e82bcaefde87f524b1284723ee61e70767bcb9f45f78a2e52547b326

SHA512
1b4067351a9912bdd4ad0285470396273563336bad6029c2d05e48fb1fd9971c69115cca1ec46dc7ce37274c7c48a2364498cb180563f7871cd838aebbd8c6b4

Download Submit
memory/880-65-0x0000000000000000-mapping.dmp

Download
memory/880-66-0x000007FEFC091000-0x000007FEFC093000-memory.dmp

Filesize
8KB

Download
memory/1028-61-0x0000000000000000-mapping.dmp

Download
memory/1108-54-0x0000000076691000-0x0000000076693000-memory.dmp

Filesize
8KB

Download
memory/1108-55-0x0000000002870000-0x0000000002912000-memory.dmp

Filesize
648KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads