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
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
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

Loads dropped DLL 3 IoCs

Processes:

5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exeregsvr32.exeregsvr32.exe

pid process

1080 5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
2808 regsvr32.exe
2580 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
1080	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
2808	regsvr32.exe
2580	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.exe5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe

description	ioc	process
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
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

Drops file in Program Files directory 8 IoCs

Processes:

5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe

description	ioc	process
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
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

Modifies Internet Explorer settings 1 TTPs 8 IoCs

adware spyware

Modify Registry

T1112

Processes:

5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exeregsvr32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{f3d6b1b4-a9bf-4a7a-867b-8b4f437e6d81}	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{F3D6B1B4-A9BF-4A7A-867B-8B4F437E6D81}	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{F3D6B1B4-A9BF-4A7A-867B-8B4F437E6D81}	regsvr32.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{f3d6b1b4-a9bf-4a7a-867b-8b4f437e6d81}	regsvr32.exe

Modifies registry class 64 IoCs

Processes:

5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exeregsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f3d6b1b4-a9bf-4a7a-867b-8b4f437e6d81}\ = "GoSaveu"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{F3D6B1B4-A9BF-4A7A-867B-8B4F437E6D81}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f3d6b1b4-a9bf-4a7a-867b-8b4f437e6d81}	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f3d6b1b4-a9bf-4a7a-867b-8b4f437e6d81}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{f3d6b1b4-a9bf-4a7a-867b-8b4f437e6d81}"	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}\ = "IPlaghinMein"	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer\ = ".9"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein"	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{f3d6b1b4-a9bf-4a7a-867b-8b4f437e6d81}	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{f3d6b1b4-a9bf-4a7a-867b-8b4f437e6d81}\Programmable	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{f3d6b1b4-a9bf-4a7a-867b-8b4f437e6d81}	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 deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f3d6b1b4-a9bf-4a7a-867b-8b4f437e6d81}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib	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\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0"	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f3d6b1b4-a9bf-4a7a-867b-8b4f437e6d81}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{f3d6b1b4-a9bf-4a7a-867b-8b4f437e6d81}\ProgID	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F3D6B1B4-A9BF-4A7A-867B-8B4F437E6D81}\Implemented Categories	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS\ = "0"	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32	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\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}	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry"	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{f3d6b1b4-a9bf-4a7a-867b-8b4f437e6d81}\InprocServer32\ThreadingModel = "Apartment"	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F3D6B1B4-A9BF-4A7A-867B-8B4F437E6D81}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640}	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.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 deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f3d6b1b4-a9bf-4a7a-867b-8b4f437e6d81}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{f3d6b1b4-a9bf-4a7a-867b-8b4f437e6d81}\ = "GoSaveu"	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{f3d6b1b4-a9bf-4a7a-867b-8b4f437e6d81}\ProgID	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f3d6b1b4-a9bf-4a7a-867b-8b4f437e6d81}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32	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}\TypeLib	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "GoSaveu"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\..9	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "GoSaveu"	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F3D6B1B4-A9BF-4A7A-867B-8B4F437E6D81}	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\ = "IEPluginLib"	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	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\..9\ = "GoSaveu"	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\CLSID\{f3d6b1b4-a9bf-4a7a-867b-8b4f437e6d81}\InprocServer32\ = "C:\\Program Files (x86)\\GoSaveu\\nbA6grcyh555aE.dll"	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{f3d6b1b4-a9bf-4a7a-867b-8b4f437e6d81}\VersionIndependentProgID	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0	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\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0"	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exeregsvr32.exe

description	pid	process	target process
PID 1080 wrote to memory of 2808	1080	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe	regsvr32.exe
PID 1080 wrote to memory of 2808	1080	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe	regsvr32.exe
PID 1080 wrote to memory of 2808	1080	5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe	regsvr32.exe
PID 2808 wrote to memory of 2580	2808	regsvr32.exe	regsvr32.exe
PID 2808 wrote to memory of 2580	2808	regsvr32.exe	regsvr32.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

Processes:

5432f95a46c51a89550f1787f0e34e072ff79ae6743a5b65e9d97c6840890b55.exe

description	ioc	process
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:1080

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:2808

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:2580

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)\GoSaveu\nbA6grcyh555aE.dat

Filesize
3KB

MD5
4f1ebc7b7c52e281065a733bc9328fc2

SHA1
39a0aaba2ee471f0437358a7d4ccb5b2fce177c0

SHA256
e28afa58ff637cb46d480e118944687e9bdf74c6957f1aeb7bbe859ae70b91c7

SHA512
7aa612ff37db885d02a8add391a0a82ef60b04874624810d6bfabb9da24d2bce354971818477df3e8aa4ce19affcfe6714eb7784ef4aff5a5c5d0ed922bb6c72

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

Filesize
617KB

MD5
5b02fe261c5832aba1e2b35228934c17

SHA1
b30aef32bfc7fb93add291dd7699d209fc3a60c1

SHA256
af2632d8ad1a0b0e706f260de79b687cf94855d911bf5fc9d4b7007e256e7a6c

SHA512
936b81acb1219be1c18b958f4fc3bd7c5c1ab617fa20e76db165f6ffdb2f674c602c18522980527d84cad7a93dcc79cb222e5e4a8b301298ec141a8b6eb26e72

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

Filesize
700KB

MD5
5bdec27c100693ecb0b61cc2555e8505

SHA1
771242d417269c2f9150d649f06e6ec8e8bd8cb7

SHA256
ca873de4e82bcaefde87f524b1284723ee61e70767bcb9f45f78a2e52547b326

SHA512
1b4067351a9912bdd4ad0285470396273563336bad6029c2d05e48fb1fd9971c69115cca1ec46dc7ce37274c7c48a2364498cb180563f7871cd838aebbd8c6b4

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

Filesize
700KB

MD5
5bdec27c100693ecb0b61cc2555e8505

SHA1
771242d417269c2f9150d649f06e6ec8e8bd8cb7

SHA256
ca873de4e82bcaefde87f524b1284723ee61e70767bcb9f45f78a2e52547b326

SHA512
1b4067351a9912bdd4ad0285470396273563336bad6029c2d05e48fb1fd9971c69115cca1ec46dc7ce37274c7c48a2364498cb180563f7871cd838aebbd8c6b4

Download Submit
memory/1080-132-0x0000000002D90000-0x0000000002E32000-memory.dmp

Filesize
648KB

Download
memory/2580-141-0x0000000000000000-mapping.dmp

Download
memory/2808-138-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads