Analysis
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max time kernel
15s -
max time network
33s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
24-11-2022 23:06
Static task
static1
Behavioral task
behavioral1
Sample
81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe
Resource
win10v2004-20221111-en
General
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Target
81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe
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Size
4.3MB
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MD5
a533955517626320bbcd51e7a5356b50
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SHA1
8941e4bb963b729079017b40a779f675e79e7d0d
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SHA256
81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a
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SHA512
2f91137df2aa1772429bd646984c4ba974cc09e3f66652f73a6e35566f2d94f8fb236ac3ed3af2a23c0163323822d4ce61e22abd4e3f69cded12ae351a606fbb
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SSDEEP
49152:yyuKYDZ0WnCJ+KLmxup4DdGKvghxfki12/9buOBqFvZ8hpTQdKL:x2Z0toKJKc41buOBqFvZspsdK
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\{9155d62b-d93b-4235-a8f0-dfcef5d6c759}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{9155d62b-d93b-4235-a8f0-dfcef5d6c759}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\F4JDqfwC7Y5xA6.x64.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{9155d62b-d93b-4235-a8f0-dfcef5d6c759}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{9155d62b-d93b-4235-a8f0-dfcef5d6c759}\InprocServer32 regsvr32.exe -
Loads dropped DLL 3 IoCs
Processes:
81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exeregsvr32.exeregsvr32.exepid process 1364 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe 1508 regsvr32.exe 544 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:
regsvr32.exe81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{9155d62b-d93b-4235-a8f0-dfcef5d6c759}\ = "GoSave" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{9155d62b-d93b-4235-a8f0-dfcef5d6c759}\NoExplorer = "1" regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{9155d62b-d93b-4235-a8f0-dfcef5d6c759} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{9155d62b-d93b-4235-a8f0-dfcef5d6c759} 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{9155d62b-d93b-4235-a8f0-dfcef5d6c759}\ = "GoSave" 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{9155d62b-d93b-4235-a8f0-dfcef5d6c759}\NoExplorer = "1" 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{9155d62b-d93b-4235-a8f0-dfcef5d6c759} 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{9155d62b-d93b-4235-a8f0-dfcef5d6c759} regsvr32.exe -
Drops file in Program Files directory 8 IoCs
Processes:
81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exedescription ioc process File opened for modification C:\Program Files (x86)\GoSave\F4JDqfwC7Y5xA6.x64.dll 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe File created C:\Program Files (x86)\GoSave\F4JDqfwC7Y5xA6.dll 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe File opened for modification C:\Program Files (x86)\GoSave\F4JDqfwC7Y5xA6.dll 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe File created C:\Program Files (x86)\GoSave\F4JDqfwC7Y5xA6.tlb 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe File opened for modification C:\Program Files (x86)\GoSave\F4JDqfwC7Y5xA6.tlb 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe File created C:\Program Files (x86)\GoSave\F4JDqfwC7Y5xA6.dat 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe File opened for modification C:\Program Files (x86)\GoSave\F4JDqfwC7Y5xA6.dat 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe File created C:\Program Files (x86)\GoSave\F4JDqfwC7Y5xA6.x64.dll 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe -
Processes:
81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exeregsvr32.exedescription ioc process Key deleted \REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{9155D62B-D93B-4235-A8F0-DFCEF5D6C759} 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Key deleted \REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Key deleted \REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{9155D62B-D93B-4235-A8F0-DFCEF5D6C759} 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\{9155d62b-d93b-4235-a8f0-dfcef5d6c759} regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Key created \REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{9155d62b-d93b-4235-a8f0-dfcef5d6c759} 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe -
Modifies registry class 64 IoCs
Processes:
81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exeregsvr32.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID\ = "{9155d62b-d93b-4235-a8f0-dfcef5d6c759}" 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9155d62b-d93b-4235-a8f0-dfcef5d6c759}\VersionIndependentProgID 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9155d62b-d93b-4235-a8f0-dfcef5d6c759}\InprocServer32 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}" 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9155d62b-d93b-4235-a8f0-dfcef5d6c759}\Programmable 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755} 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry" 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{9155d62b-d93b-4235-a8f0-dfcef5d6c759}\ = "GoSave" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{9155d62b-d93b-4235-a8f0-dfcef5d6c759}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9155d62b-d93b-4235-a8f0-dfcef5d6c759}\ = "GoSave" 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9155d62b-d93b-4235-a8f0-dfcef5d6c759} 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9155D62B-D93B-4235-A8F0-DFCEF5D6C759} 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9155D62B-D93B-4235-A8F0-DFCEF5D6C759}\Implemented Categories 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0" 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{9155d62b-d93b-4235-a8f0-dfcef5d6c759}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{9155d62b-d93b-4235-a8f0-dfcef5d6c759}\VersionIndependentProgID\ regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{9155d62b-d93b-4235-a8f0-dfcef5d6c759}\Programmable regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9155d62b-d93b-4235-a8f0-dfcef5d6c759}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\F4JDqfwC7Y5xA6.dll" 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9155d62b-d93b-4235-a8f0-dfcef5d6c759}\Programmable 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF} 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}" 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{9155d62b-d93b-4235-a8f0-dfcef5d6c759}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{9155d62b-d93b-4235-a8f0-dfcef5d6c759}" 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9155d62b-d93b-4235-a8f0-dfcef5d6c759}\InprocServer32 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein" 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF} 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}" 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID\ = "{9155d62b-d93b-4235-a8f0-dfcef5d6c759}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\. 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{9155d62b-d93b-4235-a8f0-dfcef5d6c759}\VersionIndependentProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "GoSave" 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0} 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0" 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\..9\ = "GoSave" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{9155d62b-d93b-4235-a8f0-dfcef5d6c759}\ProgID\ = ".9" regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{9155d62b-d93b-4235-a8f0-dfcef5d6c759} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\ = "IEPluginLib" 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32\ = "C:\\Program Files (x86)\\GoSave\\F4JDqfwC7Y5xA6.tlb" 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein" 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9155d62b-d93b-4235-a8f0-dfcef5d6c759}\ProgID 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}" 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0" 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}" 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0} 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0" 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{9155d62b-d93b-4235-a8f0-dfcef5d6c759}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{9155d62b-d93b-4235-a8f0-dfcef5d6c759}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\F4JDqfwC7Y5xA6.x64.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{9155D62B-D93B-4235-A8F0-DFCEF5D6C759}\Implemented Categories regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9155d62b-d93b-4235-a8f0-dfcef5d6c759}\VersionIndependentProgID\ 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exepid process 1364 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe 1364 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe 1364 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe 1364 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe 1364 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe 1364 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exedescription pid process Token: SeDebugPrivilege 1364 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Token: SeDebugPrivilege 1364 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Token: SeDebugPrivilege 1364 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Token: SeDebugPrivilege 1364 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Token: SeDebugPrivilege 1364 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Token: SeDebugPrivilege 1364 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exeregsvr32.exedescription pid process target process PID 1364 wrote to memory of 1508 1364 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe regsvr32.exe PID 1364 wrote to memory of 1508 1364 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe regsvr32.exe PID 1364 wrote to memory of 1508 1364 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe regsvr32.exe PID 1364 wrote to memory of 1508 1364 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe regsvr32.exe PID 1364 wrote to memory of 1508 1364 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe regsvr32.exe PID 1364 wrote to memory of 1508 1364 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe regsvr32.exe PID 1364 wrote to memory of 1508 1364 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe regsvr32.exe PID 1508 wrote to memory of 544 1508 regsvr32.exe regsvr32.exe PID 1508 wrote to memory of 544 1508 regsvr32.exe regsvr32.exe PID 1508 wrote to memory of 544 1508 regsvr32.exe regsvr32.exe PID 1508 wrote to memory of 544 1508 regsvr32.exe regsvr32.exe PID 1508 wrote to memory of 544 1508 regsvr32.exe regsvr32.exe PID 1508 wrote to memory of 544 1508 regsvr32.exe regsvr32.exe PID 1508 wrote to memory of 544 1508 regsvr32.exe regsvr32.exe -
System policy modification 1 TTPs 2 IoCs
Processes:
81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID\{9155d62b-d93b-4235-a8f0-dfcef5d6c759} = "1" 81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.exe"C:\Users\Admin\AppData\Local\Temp\81102169e7be2e7913bad4cf07272fb5b693a4d96250f3fafe9fc2122bcdf87a.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\F4JDqfwC7Y5xA6.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\F4JDqfwC7Y5xA6.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\F4JDqfwC7Y5xA6.datFilesize
4KB
MD5487b89bef74720f742ab9c6e910c4866
SHA18474d46e4115bb765ce9b63661b171f02db25b51
SHA2565b7a9b663187a45358ec9c9fffcb92fd1e48fbdf744ebf6ce70ce4d8199c5382
SHA512ae845269c0c9754deef316637c59aca392c3d1c3b9b854904646fa40dea4fe35889168c18ba59649d67153cf23afc57b195e90a16e7f4e0f1f1a5f8f09330825
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C:\Program Files (x86)\GoSave\F4JDqfwC7Y5xA6.tlbFilesize
3KB
MD5e3ab22d8beac0180520ab5289a64419b
SHA11456ba2c78b293e5a80185fefdf05f5dbe424937
SHA2560d3342857b67678dd76e6a24e137f0d75ba399bb48bf5095d7e4f7dfa0bbe416
SHA512c04163026ffa1c6fab34b4fdbf23702148c7c2a31dd356d26f9541027db078b6433aff3a5f749a209a3acbcf3a853a9b5f77984540e21be1f823ce92bcbfc4bf
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C:\Program Files (x86)\GoSave\F4JDqfwC7Y5xA6.x64.dllFilesize
872KB
MD5337b97dbbcc7ad4d75fb5a90652e6de3
SHA150e50243af1819e62a7512d85e6dd67b8e1ed103
SHA256b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c
SHA512dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e
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\Program Files (x86)\GoSave\F4JDqfwC7Y5xA6.dllFilesize
738KB
MD549961c7c9a7aef57f49adf50d1c810f6
SHA1fc2078aeff5d5abee27c9e8a500cb2d6ae755b05
SHA256c80abdc502d18db54137edc2680a498402c765999814b7fe1b2a7b69a64ce846
SHA5128ad2c3dbd3b4390e4c49561f25ff2acdd4ab4468074e213f3efc81a598f71620e8f21fc87114623a6c0509997e47e1c4f5ffe703c7421ae313f7ba536df2772f
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\Program Files (x86)\GoSave\F4JDqfwC7Y5xA6.x64.dllFilesize
872KB
MD5337b97dbbcc7ad4d75fb5a90652e6de3
SHA150e50243af1819e62a7512d85e6dd67b8e1ed103
SHA256b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c
SHA512dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e
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\Program Files (x86)\GoSave\F4JDqfwC7Y5xA6.x64.dllFilesize
872KB
MD5337b97dbbcc7ad4d75fb5a90652e6de3
SHA150e50243af1819e62a7512d85e6dd67b8e1ed103
SHA256b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c
SHA512dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e
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memory/544-69-0x0000000000000000-mapping.dmp
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memory/544-70-0x000007FEFBB91000-0x000007FEFBB93000-memory.dmpFilesize
8KB
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memory/1364-54-0x00000000754C1000-0x00000000754C3000-memory.dmpFilesize
8KB
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memory/1364-55-0x00000000004C0000-0x0000000000589000-memory.dmpFilesize
804KB
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memory/1508-65-0x0000000000000000-mapping.dmp