4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e

General

Target

4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Size

4.4MB
MD5

7b4e688e0d3ef1452dfc250cdf1f097c
SHA1

c0d071a995427912099616f8aecf971c58eb58da
SHA256

4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e
SHA512

21ad0f9363066494abccf0321db07a5f54e5ae004b82028cba42df9cba807c9339bf6240f10cbe85cd241d6f86e7974aa84628bd5bd6d59e9284091c7455ecc5
SSDEEP

49152:dXk098aJQu5Bq6fmxup49dGKvghxfki10a9buOBqFoyoC3yE/Ac5mWxnmyy:XmaJrM6PKc9buOBqFXoWNAxenF

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\{6bd9f665-a3c8-476f-8e0f-26ed08a67be8}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6bd9f665-a3c8-476f-8e0f-26ed08a67be8}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\ebuxbxRzU4cne5.x64.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6bd9f665-a3c8-476f-8e0f-26ed08a67be8}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6bd9f665-a3c8-476f-8e0f-26ed08a67be8}\InprocServer32	regsvr32.exe

Loads dropped DLL 3 IoCs

Processes:

4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exeregsvr32.exeregsvr32.exe

pid process

1960 4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
956 regsvr32.exe
1604 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

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:

4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exeregsvr32.exe

description	ioc	process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{6bd9f665-a3c8-476f-8e0f-26ed08a67be8}	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{6bd9f665-a3c8-476f-8e0f-26ed08a67be8}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{6bd9f665-a3c8-476f-8e0f-26ed08a67be8}\ = "GoSave"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{6bd9f665-a3c8-476f-8e0f-26ed08a67be8}\NoExplorer = "1"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{6bd9f665-a3c8-476f-8e0f-26ed08a67be8}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{6bd9f665-a3c8-476f-8e0f-26ed08a67be8}	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{6bd9f665-a3c8-476f-8e0f-26ed08a67be8}\ = "GoSave"	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{6bd9f665-a3c8-476f-8e0f-26ed08a67be8}\NoExplorer = "1"	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe

Drops file in Program Files directory 8 IoCs

Processes:

4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\GoSave\ebuxbxRzU4cne5.x64.dll	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
File created	C:\Program Files (x86)\GoSave\ebuxbxRzU4cne5.dll	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
File opened for modification	C:\Program Files (x86)\GoSave\ebuxbxRzU4cne5.dll	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
File created	C:\Program Files (x86)\GoSave\ebuxbxRzU4cne5.tlb	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
File opened for modification	C:\Program Files (x86)\GoSave\ebuxbxRzU4cne5.tlb	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
File created	C:\Program Files (x86)\GoSave\ebuxbxRzU4cne5.dat	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
File opened for modification	C:\Program Files (x86)\GoSave\ebuxbxRzU4cne5.dat	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
File created	C:\Program Files (x86)\GoSave\ebuxbxRzU4cne5.x64.dll	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe

Modifies Internet Explorer settings 1 TTPs 8 IoCs

adware spyware

Modify Registry

T1112

Processes:

regsvr32.exe4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe

description	ioc	process
Key deleted	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{6bd9f665-a3c8-476f-8e0f-26ed08a67be8}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{6bd9f665-a3c8-476f-8e0f-26ed08a67be8}	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Key deleted	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{6BD9F665-A3C8-476F-8E0F-26ED08A67BE8}	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Key deleted	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Key deleted	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{6BD9F665-A3C8-476F-8E0F-26ED08A67BE8}	regsvr32.exe

Modifies registry class 64 IoCs

Processes:

4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exeregsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6bd9f665-a3c8-476f-8e0f-26ed08a67be8}\VersionIndependentProgID	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "GoSave"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{6bd9f665-a3c8-476f-8e0f-26ed08a67be8}"	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6bd9f665-a3c8-476f-8e0f-26ed08a67be8}\ProgID	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6bd9f665-a3c8-476f-8e0f-26ed08a67be8}\VersionIndependentProgID	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry"	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6bd9f665-a3c8-476f-8e0f-26ed08a67be8}\ProgID\ = ".9"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6bd9f665-a3c8-476f-8e0f-26ed08a67be8}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6bd9f665-a3c8-476f-8e0f-26ed08a67be8}\ = "GoSave"	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6bd9f665-a3c8-476f-8e0f-26ed08a67be8}\InprocServer32	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6BD9F665-A3C8-476F-8E0F-26ED08A67BE8}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6bd9f665-a3c8-476f-8e0f-26ed08a67be8}\InprocServer32	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6BD9F665-A3C8-476F-8E0F-26ED08A67BE8}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640}	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6bd9f665-a3c8-476f-8e0f-26ed08a67be8}	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6bd9f665-a3c8-476f-8e0f-26ed08a67be8}\Programmable	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6bd9f665-a3c8-476f-8e0f-26ed08a67be8}	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0"	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6bd9f665-a3c8-476f-8e0f-26ed08a67be8}\VersionIndependentProgID\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6BD9F665-A3C8-476F-8E0F-26ED08A67BE8}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6BD9F665-A3C8-476F-8E0F-26ED08A67BE8}	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS\ = "0"	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\ = "GoSave"	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6bd9f665-a3c8-476f-8e0f-26ed08a67be8}\VersionIndependentProgID\	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{6bd9f665-a3c8-476f-8e0f-26ed08a67be8}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0"	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry"	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6bd9f665-a3c8-476f-8e0f-26ed08a67be8}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6bd9f665-a3c8-476f-8e0f-26ed08a67be8}\Programmable	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6bd9f665-a3c8-476f-8e0f-26ed08a67be8}\InprocServer32	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6bd9f665-a3c8-476f-8e0f-26ed08a67be8}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0"	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6bd9f665-a3c8-476f-8e0f-26ed08a67be8}\VersionIndependentProgID	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6bd9f665-a3c8-476f-8e0f-26ed08a67be8}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "GoSave"	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6bd9f665-a3c8-476f-8e0f-26ed08a67be8}\InprocServer32\ThreadingModel = "Apartment"	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\ = "IEPluginLib"	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR\ = "C:\\Program Files (x86)\\GoSave"	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage"	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe

pid	process
1960	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
1960	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
1960	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
1960	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
1960	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
1960	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe

description	pid	process
Token: SeDebugPrivilege	1960	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Token: SeDebugPrivilege	1960	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Token: SeDebugPrivilege	1960	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Token: SeDebugPrivilege	1960	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Token: SeDebugPrivilege	1960	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Token: SeDebugPrivilege	1960	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exeregsvr32.exe

description	pid	process	target process
PID 1960 wrote to memory of 956	1960	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe	regsvr32.exe
PID 1960 wrote to memory of 956	1960	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe	regsvr32.exe
PID 1960 wrote to memory of 956	1960	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe	regsvr32.exe
PID 1960 wrote to memory of 956	1960	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe	regsvr32.exe
PID 1960 wrote to memory of 956	1960	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe	regsvr32.exe
PID 1960 wrote to memory of 956	1960	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe	regsvr32.exe
PID 1960 wrote to memory of 956	1960	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe	regsvr32.exe
PID 956 wrote to memory of 1604	956	regsvr32.exe	regsvr32.exe
PID 956 wrote to memory of 1604	956	regsvr32.exe	regsvr32.exe
PID 956 wrote to memory of 1604	956	regsvr32.exe	regsvr32.exe
PID 956 wrote to memory of 1604	956	regsvr32.exe	regsvr32.exe
PID 956 wrote to memory of 1604	956	regsvr32.exe	regsvr32.exe
PID 956 wrote to memory of 1604	956	regsvr32.exe	regsvr32.exe
PID 956 wrote to memory of 1604	956	regsvr32.exe	regsvr32.exe

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

T1112

Processes:

4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID\{6bd9f665-a3c8-476f-8e0f-26ed08a67be8} = "1"	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID	4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe

C:\Users\Admin\AppData\Local\Temp\4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
"C:\Users\Admin\AppData\Local\Temp\4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe"
1⤵
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1960

C:\Windows\SysWOW64\regsvr32.exe
regsvr32.exe /s "C:\Program Files (x86)\GoSave\ebuxbxRzU4cne5.x64.dll"
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:956

C:\Windows\system32\regsvr32.exe
/s "C:\Program Files (x86)\GoSave\ebuxbxRzU4cne5.x64.dll"
3⤵
- Registers COM server for autorun
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies Internet Explorer settings
- Modifies registry class
PID:1604

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\ebuxbxRzU4cne5.dat
Filesize
4KB

MD5
8b3cd4799acf611358f42974e486cc2f

SHA1
136a6b10583c859e2045d9479025baa482ecbc19

SHA256
a534a9e91c9d911961958deb7e8d632cbd31900b6bff7d28d823d056cd59866c

SHA512
3556b91f310f4b3b6246d8570080efa7ac15b141057693b305bfeea9f3402e950d65db15aac2f6191ef3a06011c44bc8906fcb52e70fd6ea428b7365bb369bc6

Download Submit
C:\Program Files (x86)\GoSave\ebuxbxRzU4cne5.tlb
Filesize
3KB

MD5
e3ab22d8beac0180520ab5289a64419b

SHA1
1456ba2c78b293e5a80185fefdf05f5dbe424937

SHA256
0d3342857b67678dd76e6a24e137f0d75ba399bb48bf5095d7e4f7dfa0bbe416

SHA512
c04163026ffa1c6fab34b4fdbf23702148c7c2a31dd356d26f9541027db078b6433aff3a5f749a209a3acbcf3a853a9b5f77984540e21be1f823ce92bcbfc4bf

Download Submit
C:\Program Files (x86)\GoSave\ebuxbxRzU4cne5.x64.dll
Filesize
872KB

MD5
337b97dbbcc7ad4d75fb5a90652e6de3

SHA1
50e50243af1819e62a7512d85e6dd67b8e1ed103

SHA256
b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

SHA512
dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

Download Submit
\Program Files (x86)\GoSave\ebuxbxRzU4cne5.dll
Filesize
738KB

MD5
49961c7c9a7aef57f49adf50d1c810f6

SHA1
fc2078aeff5d5abee27c9e8a500cb2d6ae755b05

SHA256
c80abdc502d18db54137edc2680a498402c765999814b7fe1b2a7b69a64ce846

SHA512
8ad2c3dbd3b4390e4c49561f25ff2acdd4ab4468074e213f3efc81a598f71620e8f21fc87114623a6c0509997e47e1c4f5ffe703c7421ae313f7ba536df2772f

Download Submit
\Program Files (x86)\GoSave\ebuxbxRzU4cne5.x64.dll
Filesize
872KB

MD5
337b97dbbcc7ad4d75fb5a90652e6de3

SHA1
50e50243af1819e62a7512d85e6dd67b8e1ed103

SHA256
b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

SHA512
dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

Download Submit
\Program Files (x86)\GoSave\ebuxbxRzU4cne5.x64.dll
Filesize
872KB

MD5
337b97dbbcc7ad4d75fb5a90652e6de3

SHA1
50e50243af1819e62a7512d85e6dd67b8e1ed103

SHA256
b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

SHA512
dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

Download Submit
memory/956-62-0x0000000000000000-mapping.dmp

Download
memory/1604-66-0x0000000000000000-mapping.dmp

Download
memory/1604-67-0x000007FEFBD01000-0x000007FEFBD03000-memory.dmp

Filesize
8KB

Download
memory/1960-54-0x00000000751A1000-0x00000000751A3000-memory.dmp

Filesize
8KB

Download
memory/1960-55-0x00000000009E0000-0x0000000000AA9000-memory.dmp

Filesize
804KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads