Analysis
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max time kernel
175s -
max time network
187s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
24-11-2022 20:30
Static task
static1
Behavioral task
behavioral1
Sample
b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe
Resource
win10v2004-20220812-en
General
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Target
b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe
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Size
4.3MB
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MD5
7d8e56dbb897bc27abe670a0978b83c0
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SHA1
3cc75541ce9049a1f1723b5b570dc3bcb0628d4c
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SHA256
b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4
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SHA512
9abe34744bf2ecd9b8764414b2190e60eaa4f58ce8f44149888876ea567677cb919ac89c90b2bfa065e2becd3e3eeb1090687c15ead86b3cddfad7f3d7385f40
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SSDEEP
49152:JhOqIruzyb7SO6rmxup4IdGKvghxfki1rc7SKgB+lyzEJ3j1/:ZuuzAT6+Kci7SKRYiT1
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\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\a8LPIyW2wiuVEJ.x64.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8}\InprocServer32 regsvr32.exe -
Loads dropped DLL 3 IoCs
Processes:
b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exeregsvr32.exeregsvr32.exepid process 768 b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe 1884 regsvr32.exe 2032 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.exeb43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8}\ = "GoSave" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8}\NoExplorer = "1" regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8} b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8}\ = "GoSave" b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8}\NoExplorer = "1" b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8} b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8} regsvr32.exe -
Drops file in Program Files directory 8 IoCs
Processes:
b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exedescription ioc process File created C:\Program Files (x86)\GoSave\a8LPIyW2wiuVEJ.x64.dll b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe File opened for modification C:\Program Files (x86)\GoSave\a8LPIyW2wiuVEJ.x64.dll b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe File created C:\Program Files (x86)\GoSave\a8LPIyW2wiuVEJ.dll b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe File opened for modification C:\Program Files (x86)\GoSave\a8LPIyW2wiuVEJ.dll b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe File created C:\Program Files (x86)\GoSave\a8LPIyW2wiuVEJ.tlb b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe File opened for modification C:\Program Files (x86)\GoSave\a8LPIyW2wiuVEJ.tlb b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe File created C:\Program Files (x86)\GoSave\a8LPIyW2wiuVEJ.dat b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe File opened for modification C:\Program Files (x86)\GoSave\a8LPIyW2wiuVEJ.dat b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe -
Processes:
b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exeregsvr32.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8} b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key deleted \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{7C3A28F5-07C9-4BDD-AABB-6DAA75EFC1B8} b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key deleted \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key deleted \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{7C3A28F5-07C9-4BDD-AABB-6DAA75EFC1B8} regsvr32.exe Key deleted \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8} regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe -
Modifies registry class 64 IoCs
Processes:
b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exeregsvr32.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}" b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\..9\ = "GoSave" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32\ = "C:\\Program Files (x86)\\GoSave\\a8LPIyW2wiuVEJ.tlb" b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0} b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC} b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32 b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32 b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer\ = ".9" b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8}\VersionIndependentProgID b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\a8LPIyW2wiuVEJ.dll" b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8}\VersionIndependentProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{7C3A28F5-07C9-4BDD-AABB-6DAA75EFC1B8}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS\ = "0" b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}" b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry" b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR\ = "C:\\Program Files (x86)\\GoSave" b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0" b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID\ = "{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8}" b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8}\ = "GoSave" b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8}\ProgID\ = ".9" b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32 b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{7C3A28F5-07C9-4BDD-AABB-6DAA75EFC1B8} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8}\VersionIndependentProgID\ b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7C3A28F5-07C9-4BDD-AABB-6DAA75EFC1B8}\Implemented Categories b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein" b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF} b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32 b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}" b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8}\InprocServer32\ThreadingModel = "Apartment" b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\ = "IEPluginLib" b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0 b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage" b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0" b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}" b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8}\ProgID\ = ".9" regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8}\InprocServer32 b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8}\VersionIndependentProgID b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755} b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC} b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8}\ProgID b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7C3A28F5-07C9-4BDD-AABB-6DAA75EFC1B8}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640} b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8} b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0" b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32 b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0" b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID\ = "{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\..9\ = "GoSave" b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "GoSave" b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8}\Programmable b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
Processes:
b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exepid process 768 b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe 768 b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe 768 b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe 768 b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe 768 b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe 768 b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe 768 b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe 768 b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe 768 b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe 768 b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe 768 b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe 768 b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exedescription pid process Token: SeDebugPrivilege 768 b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Token: SeDebugPrivilege 768 b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Token: SeDebugPrivilege 768 b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Token: SeDebugPrivilege 768 b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Token: SeDebugPrivilege 768 b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Token: SeDebugPrivilege 768 b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe -
Suspicious use of WriteProcessMemory 5 IoCs
Processes:
b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exeregsvr32.exedescription pid process target process PID 768 wrote to memory of 1884 768 b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe regsvr32.exe PID 768 wrote to memory of 1884 768 b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe regsvr32.exe PID 768 wrote to memory of 1884 768 b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe regsvr32.exe PID 1884 wrote to memory of 2032 1884 regsvr32.exe regsvr32.exe PID 1884 wrote to memory of 2032 1884 regsvr32.exe regsvr32.exe -
System policy modification 1 TTPs 1 IoCs
Processes:
b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8} = "1" b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe"C:\Users\Admin\AppData\Local\Temp\b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.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:768 -
C:\Windows\SysWOW64\regsvr32.exeregsvr32.exe /s "C:\Program Files (x86)\GoSave\a8LPIyW2wiuVEJ.x64.dll"2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1884 -
C:\Windows\system32\regsvr32.exe/s "C:\Program Files (x86)\GoSave\a8LPIyW2wiuVEJ.x64.dll"3⤵
- Registers COM server for autorun
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies Internet Explorer settings
- Modifies registry class
PID:2032
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Program Files (x86)\GoSave\a8LPIyW2wiuVEJ.datFilesize
4KB
MD58a8341339d57e4c32e643bff6810c87d
SHA15a7882137f03112afbc84cece4427b3a3b502bff
SHA256461bf63d42ac987c99291fe4b2fa98c01434d901951592b94ce6553059a4fcbe
SHA5122688ac0a5573b4dd936ec26494e127085dab9137dee6d9ac24216a93f3b8d9212f02eeea5c0159ca4594ba22f1610be6b1027725953c2453d4f31eeeb4214c3b
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C:\Program Files (x86)\GoSave\a8LPIyW2wiuVEJ.dllFilesize
738KB
MD549961c7c9a7aef57f49adf50d1c810f6
SHA1fc2078aeff5d5abee27c9e8a500cb2d6ae755b05
SHA256c80abdc502d18db54137edc2680a498402c765999814b7fe1b2a7b69a64ce846
SHA5128ad2c3dbd3b4390e4c49561f25ff2acdd4ab4468074e213f3efc81a598f71620e8f21fc87114623a6c0509997e47e1c4f5ffe703c7421ae313f7ba536df2772f
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C:\Program Files (x86)\GoSave\a8LPIyW2wiuVEJ.tlbFilesize
3KB
MD5e3ab22d8beac0180520ab5289a64419b
SHA11456ba2c78b293e5a80185fefdf05f5dbe424937
SHA2560d3342857b67678dd76e6a24e137f0d75ba399bb48bf5095d7e4f7dfa0bbe416
SHA512c04163026ffa1c6fab34b4fdbf23702148c7c2a31dd356d26f9541027db078b6433aff3a5f749a209a3acbcf3a853a9b5f77984540e21be1f823ce92bcbfc4bf
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C:\Program Files (x86)\GoSave\a8LPIyW2wiuVEJ.x64.dllFilesize
872KB
MD5337b97dbbcc7ad4d75fb5a90652e6de3
SHA150e50243af1819e62a7512d85e6dd67b8e1ed103
SHA256b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c
SHA512dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e
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C:\Program Files (x86)\GoSave\a8LPIyW2wiuVEJ.x64.dllFilesize
872KB
MD5337b97dbbcc7ad4d75fb5a90652e6de3
SHA150e50243af1819e62a7512d85e6dd67b8e1ed103
SHA256b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c
SHA512dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e
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C:\Program Files (x86)\GoSave\a8LPIyW2wiuVEJ.x64.dllFilesize
872KB
MD5337b97dbbcc7ad4d75fb5a90652e6de3
SHA150e50243af1819e62a7512d85e6dd67b8e1ed103
SHA256b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c
SHA512dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e
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memory/768-132-0x0000000002FB0000-0x0000000003079000-memory.dmpFilesize
804KB
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memory/1884-138-0x0000000000000000-mapping.dmp
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memory/2032-141-0x0000000000000000-mapping.dmp