Analysis
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max time kernel
42s -
max time network
45s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
25-11-2022 01:46
Static task
static1
Behavioral task
behavioral1
Sample
4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
Resource
win10v2004-20221111-en
General
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Target
4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exe
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Size
4.4MB
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MD5
7b4e688e0d3ef1452dfc250cdf1f097c
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SHA1
c0d071a995427912099616f8aecf971c58eb58da
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SHA256
4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e
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SHA512
21ad0f9363066494abccf0321db07a5f54e5ae004b82028cba42df9cba807c9339bf6240f10cbe85cd241d6f86e7974aa84628bd5bd6d59e9284091c7455ecc5
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SSDEEP
49152:dXk098aJQu5Bq6fmxup49dGKvghxfki10a9buOBqFoyoC3yE/Ac5mWxnmyy:XmaJrM6PKc9buOBqFXoWNAxenF
Malware Config
Signatures
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Registers COM server for autorun 1 TTPs 4 IoCs
Processes:
regsvr32.exedescription 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.exepid 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.
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Installs/modifies Browser Helper Object 2 TTPs 8 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
Processes:
4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exeregsvr32.exedescription 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.exedescription 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 -
Processes:
regsvr32.exe4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exedescription 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.exedescription 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.exepid 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.exedescription 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.exedescription 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
Processes:
4d97edb5d7edf1855f264f7cc4302744c0de909b9c097be1dba569fc86a2882e.exedescription 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
Processes
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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
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C:\Windows\SysWOW64\regsvr32.exeregsvr32.exe /s "C:\Program Files (x86)\GoSave\ebuxbxRzU4cne5.x64.dll"2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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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
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Program Files (x86)\GoSave\ebuxbxRzU4cne5.datFilesize
4KB
MD58b3cd4799acf611358f42974e486cc2f
SHA1136a6b10583c859e2045d9479025baa482ecbc19
SHA256a534a9e91c9d911961958deb7e8d632cbd31900b6bff7d28d823d056cd59866c
SHA5123556b91f310f4b3b6246d8570080efa7ac15b141057693b305bfeea9f3402e950d65db15aac2f6191ef3a06011c44bc8906fcb52e70fd6ea428b7365bb369bc6
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C:\Program Files (x86)\GoSave\ebuxbxRzU4cne5.tlbFilesize
3KB
MD5e3ab22d8beac0180520ab5289a64419b
SHA11456ba2c78b293e5a80185fefdf05f5dbe424937
SHA2560d3342857b67678dd76e6a24e137f0d75ba399bb48bf5095d7e4f7dfa0bbe416
SHA512c04163026ffa1c6fab34b4fdbf23702148c7c2a31dd356d26f9541027db078b6433aff3a5f749a209a3acbcf3a853a9b5f77984540e21be1f823ce92bcbfc4bf
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C:\Program Files (x86)\GoSave\ebuxbxRzU4cne5.x64.dllFilesize
872KB
MD5337b97dbbcc7ad4d75fb5a90652e6de3
SHA150e50243af1819e62a7512d85e6dd67b8e1ed103
SHA256b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c
SHA512dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e
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\Program Files (x86)\GoSave\ebuxbxRzU4cne5.dllFilesize
738KB
MD549961c7c9a7aef57f49adf50d1c810f6
SHA1fc2078aeff5d5abee27c9e8a500cb2d6ae755b05
SHA256c80abdc502d18db54137edc2680a498402c765999814b7fe1b2a7b69a64ce846
SHA5128ad2c3dbd3b4390e4c49561f25ff2acdd4ab4468074e213f3efc81a598f71620e8f21fc87114623a6c0509997e47e1c4f5ffe703c7421ae313f7ba536df2772f
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\Program Files (x86)\GoSave\ebuxbxRzU4cne5.x64.dllFilesize
872KB
MD5337b97dbbcc7ad4d75fb5a90652e6de3
SHA150e50243af1819e62a7512d85e6dd67b8e1ed103
SHA256b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c
SHA512dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e
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\Program Files (x86)\GoSave\ebuxbxRzU4cne5.x64.dllFilesize
872KB
MD5337b97dbbcc7ad4d75fb5a90652e6de3
SHA150e50243af1819e62a7512d85e6dd67b8e1ed103
SHA256b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c
SHA512dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e
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memory/956-62-0x0000000000000000-mapping.dmp
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memory/1604-66-0x0000000000000000-mapping.dmp
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memory/1604-67-0x000007FEFBD01000-0x000007FEFBD03000-memory.dmpFilesize
8KB
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memory/1960-54-0x00000000751A1000-0x00000000751A3000-memory.dmpFilesize
8KB
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memory/1960-55-0x00000000009E0000-0x0000000000AA9000-memory.dmpFilesize
804KB