Analysis
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max time kernel
44s -
max time network
49s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
25-11-2022 02:28
Static task
static1
Behavioral task
behavioral1
Sample
3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe
Resource
win10v2004-20220812-en
General
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Target
3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe
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Size
4.4MB
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MD5
d76126745b7bef1ae15c3b9eb07642b2
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SHA1
d2b3089660d0807eea221ccb653d9eeae4c3b89c
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SHA256
3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa
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SHA512
72055b7dd3706f5c22f25521413d4007605fa07bd8adf7d775300136353f682c1b654035ede5fa39852310f33ac8545da2f2fa07b85a04cd006656a1cc97a817
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SSDEEP
49152:KHkUtMlGbeCxKKjmxup4odGKvghxfki1bOCrZguQ8Z8hpTQd9i:umlGhcKqKcgWZg2Zspsd9
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\{0185596d-dd7e-49c1-93a7-5d1d7e7e3e3d}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0185596d-dd7e-49c1-93a7-5d1d7e7e3e3d}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\nSPfF5vF614Hxc.x64.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0185596d-dd7e-49c1-93a7-5d1d7e7e3e3d}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0185596d-dd7e-49c1-93a7-5d1d7e7e3e3d}\InprocServer32 regsvr32.exe -
Loads dropped DLL 3 IoCs
Processes:
3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exeregsvr32.exeregsvr32.exepid process 1664 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe 1452 regsvr32.exe 1764 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.exe3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{0185596d-dd7e-49c1-93a7-5d1d7e7e3e3d}\ = "GoSave" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{0185596d-dd7e-49c1-93a7-5d1d7e7e3e3d}\NoExplorer = "1" regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{0185596d-dd7e-49c1-93a7-5d1d7e7e3e3d} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{0185596d-dd7e-49c1-93a7-5d1d7e7e3e3d} 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{0185596d-dd7e-49c1-93a7-5d1d7e7e3e3d}\ = "GoSave" 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{0185596d-dd7e-49c1-93a7-5d1d7e7e3e3d}\NoExplorer = "1" 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{0185596d-dd7e-49c1-93a7-5d1d7e7e3e3d} 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{0185596d-dd7e-49c1-93a7-5d1d7e7e3e3d} regsvr32.exe -
Drops file in Program Files directory 8 IoCs
Processes:
3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exedescription ioc process File created C:\Program Files (x86)\GoSave\nSPfF5vF614Hxc.dat 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe File opened for modification C:\Program Files (x86)\GoSave\nSPfF5vF614Hxc.dat 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe File created C:\Program Files (x86)\GoSave\nSPfF5vF614Hxc.x64.dll 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe File opened for modification C:\Program Files (x86)\GoSave\nSPfF5vF614Hxc.x64.dll 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe File created C:\Program Files (x86)\GoSave\nSPfF5vF614Hxc.dll 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe File opened for modification C:\Program Files (x86)\GoSave\nSPfF5vF614Hxc.dll 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe File created C:\Program Files (x86)\GoSave\nSPfF5vF614Hxc.tlb 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe File opened for modification C:\Program Files (x86)\GoSave\nSPfF5vF614Hxc.tlb 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe -
Processes:
regsvr32.exe3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exedescription ioc process Key deleted \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{0185596D-DD7E-49C1-93A7-5D1D7E7E3E3D} regsvr32.exe Key deleted \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{0185596d-dd7e-49c1-93a7-5d1d7e7e3e3d} regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{0185596d-dd7e-49c1-93a7-5d1d7e7e3e3d} 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Key deleted \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{0185596D-DD7E-49C1-93A7-5D1D7E7E3E3D} 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Key deleted \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe -
Modifies registry class 64 IoCs
Processes:
3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exeregsvr32.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0" 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein" 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0185596d-dd7e-49c1-93a7-5d1d7e7e3e3d}\VersionIndependentProgID\ regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0185596d-dd7e-49c1-93a7-5d1d7e7e3e3d} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0185596d-dd7e-49c1-93a7-5d1d7e7e3e3d}\Programmable 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0185596D-DD7E-49C1-93A7-5D1D7E7E3E3D}\Implemented Categories 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}" 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0" 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{0185596d-dd7e-49c1-93a7-5d1d7e7e3e3d}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0185596d-dd7e-49c1-93a7-5d1d7e7e3e3d}\InprocServer32\ThreadingModel = "Apartment" 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0185596D-DD7E-49C1-93A7-5D1D7E7E3E3D}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640} 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0185596d-dd7e-49c1-93a7-5d1d7e7e3e3d}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "GoSave" 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0185596d-dd7e-49c1-93a7-5d1d7e7e3e3d}\Programmable 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0185596d-dd7e-49c1-93a7-5d1d7e7e3e3d}\InprocServer32 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0185596d-dd7e-49c1-93a7-5d1d7e7e3e3d}\VersionIndependentProgID 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0" 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "GoSave" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0} 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage" 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32\ = "C:\\Program Files (x86)\\GoSave\\nSPfF5vF614Hxc.tlb" 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}" 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage" 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}" 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\..9 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC} 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC} 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0185596d-dd7e-49c1-93a7-5d1d7e7e3e3d}\Programmable regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0185596d-dd7e-49c1-93a7-5d1d7e7e3e3d}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\..9\ = "GoSave" 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0185596d-dd7e-49c1-93a7-5d1d7e7e3e3d}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\nSPfF5vF614Hxc.dll" 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein" 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0" 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0" 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0185596d-dd7e-49c1-93a7-5d1d7e7e3e3d}\VersionIndependentProgID\ 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0185596d-dd7e-49c1-93a7-5d1d7e7e3e3d}\ProgID\ = ".9" 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF} 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0185596d-dd7e-49c1-93a7-5d1d7e7e3e3d}\InprocServer32 regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0185596d-dd7e-49c1-93a7-5d1d7e7e3e3d}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0185596d-dd7e-49c1-93a7-5d1d7e7e3e3d}\ProgID 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0185596d-dd7e-49c1-93a7-5d1d7e7e3e3d} 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID\ = "{0185596d-dd7e-49c1-93a7-5d1d7e7e3e3d}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0185596d-dd7e-49c1-93a7-5d1d7e7e3e3d}\ = "GoSave" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0185596D-DD7E-49C1-93A7-5D1D7E7E3E3D}\Implemented Categories regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0185596D-DD7E-49C1-93A7-5D1D7E7E3E3D} 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755} 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0185596d-dd7e-49c1-93a7-5d1d7e7e3e3d}\VersionIndependentProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\. 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS\ = "0" 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exepid process 1664 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe 1664 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe 1664 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe 1664 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe 1664 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe 1664 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exedescription pid process Token: SeDebugPrivilege 1664 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Token: SeDebugPrivilege 1664 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Token: SeDebugPrivilege 1664 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Token: SeDebugPrivilege 1664 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Token: SeDebugPrivilege 1664 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Token: SeDebugPrivilege 1664 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exeregsvr32.exedescription pid process target process PID 1664 wrote to memory of 1452 1664 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe regsvr32.exe PID 1664 wrote to memory of 1452 1664 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe regsvr32.exe PID 1664 wrote to memory of 1452 1664 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe regsvr32.exe PID 1664 wrote to memory of 1452 1664 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe regsvr32.exe PID 1664 wrote to memory of 1452 1664 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe regsvr32.exe PID 1664 wrote to memory of 1452 1664 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe regsvr32.exe PID 1664 wrote to memory of 1452 1664 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe regsvr32.exe PID 1452 wrote to memory of 1764 1452 regsvr32.exe regsvr32.exe PID 1452 wrote to memory of 1764 1452 regsvr32.exe regsvr32.exe PID 1452 wrote to memory of 1764 1452 regsvr32.exe regsvr32.exe PID 1452 wrote to memory of 1764 1452 regsvr32.exe regsvr32.exe PID 1452 wrote to memory of 1764 1452 regsvr32.exe regsvr32.exe PID 1452 wrote to memory of 1764 1452 regsvr32.exe regsvr32.exe PID 1452 wrote to memory of 1764 1452 regsvr32.exe regsvr32.exe -
System policy modification 1 TTPs 2 IoCs
Processes:
3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID\{0185596d-dd7e-49c1-93a7-5d1d7e7e3e3d} = "1" 3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.exe"C:\Users\Admin\AppData\Local\Temp\3f78cf977ccc8fcfbe347023a5089102e1cc863b800ab66b48827f18f6f2b9aa.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\nSPfF5vF614Hxc.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\nSPfF5vF614Hxc.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\nSPfF5vF614Hxc.datFilesize
4KB
MD5906a5f539a7fcb78a6785ceefe5172e7
SHA1cf86b5e13aaa22b5664e6fae887d80bf292dcdd9
SHA2566a64c798ee7295b64473831fc0dd9ac54df78d18b0e7a8ef0820349da36b5dfe
SHA51280736cfa7bc1981b1125992c6fb532ea8761be11c96531344c016b5e2b8e8a8522f6fe1775c8339fdc4669cf2a9be340837c40cbb2095657f35db3f55fcf0c75
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C:\Program Files (x86)\GoSave\nSPfF5vF614Hxc.tlbFilesize
3KB
MD5e3ab22d8beac0180520ab5289a64419b
SHA11456ba2c78b293e5a80185fefdf05f5dbe424937
SHA2560d3342857b67678dd76e6a24e137f0d75ba399bb48bf5095d7e4f7dfa0bbe416
SHA512c04163026ffa1c6fab34b4fdbf23702148c7c2a31dd356d26f9541027db078b6433aff3a5f749a209a3acbcf3a853a9b5f77984540e21be1f823ce92bcbfc4bf
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C:\Program Files (x86)\GoSave\nSPfF5vF614Hxc.x64.dllFilesize
872KB
MD5337b97dbbcc7ad4d75fb5a90652e6de3
SHA150e50243af1819e62a7512d85e6dd67b8e1ed103
SHA256b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c
SHA512dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e
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\Program Files (x86)\GoSave\nSPfF5vF614Hxc.dllFilesize
738KB
MD549961c7c9a7aef57f49adf50d1c810f6
SHA1fc2078aeff5d5abee27c9e8a500cb2d6ae755b05
SHA256c80abdc502d18db54137edc2680a498402c765999814b7fe1b2a7b69a64ce846
SHA5128ad2c3dbd3b4390e4c49561f25ff2acdd4ab4468074e213f3efc81a598f71620e8f21fc87114623a6c0509997e47e1c4f5ffe703c7421ae313f7ba536df2772f
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\Program Files (x86)\GoSave\nSPfF5vF614Hxc.x64.dllFilesize
872KB
MD5337b97dbbcc7ad4d75fb5a90652e6de3
SHA150e50243af1819e62a7512d85e6dd67b8e1ed103
SHA256b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c
SHA512dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e
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\Program Files (x86)\GoSave\nSPfF5vF614Hxc.x64.dllFilesize
872KB
MD5337b97dbbcc7ad4d75fb5a90652e6de3
SHA150e50243af1819e62a7512d85e6dd67b8e1ed103
SHA256b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c
SHA512dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e
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memory/1452-62-0x0000000000000000-mapping.dmp
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memory/1664-54-0x0000000076181000-0x0000000076183000-memory.dmpFilesize
8KB
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memory/1664-55-0x0000000000550000-0x0000000000619000-memory.dmpFilesize
804KB
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memory/1764-66-0x0000000000000000-mapping.dmp
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memory/1764-67-0x000007FEFC621000-0x000007FEFC623000-memory.dmpFilesize
8KB