Analysis
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max time kernel
188s -
max time network
209s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
25-11-2022 03:39
Static task
static1
Behavioral task
behavioral1
Sample
275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe
Resource
win10v2004-20221111-en
General
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Target
275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe
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Size
4.3MB
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MD5
d53253871a504fc32bb0f84395c8df4b
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SHA1
b2a06db651a28935dc0ecdc4670c084d447a023c
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SHA256
275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f
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SHA512
d18fd51b9d569f4da6fd913ce189c92ab749a7f1a6a0026364b1dc4f86556cad691834ffc6d2c6bae31c988806f8a54d9a0fc47e4888af9b59f29d077dc8dc06
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SSDEEP
49152:MUuKYWYG/n0JOKLmxup4adGKvghxfki1tOCrZguQpZ8hpTQdNP:5jYGcAKYKcSWZg7ZspsdN
Malware Config
Signatures
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Registers COM server for autorun 1 TTPs 4 IoCs
Processes:
regsvr32.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{b119401f-d265-4468-9fae-5df0a3914a6e}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{b119401f-d265-4468-9fae-5df0a3914a6e}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{b119401f-d265-4468-9fae-5df0a3914a6e}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{b119401f-d265-4468-9fae-5df0a3914a6e}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\uWyF5uCbXcGgHF.x64.dll" regsvr32.exe -
Loads dropped DLL 3 IoCs
Processes:
275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exeregsvr32.exeregsvr32.exepid process 3136 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe 4460 regsvr32.exe 3728 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.exe275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{b119401f-d265-4468-9fae-5df0a3914a6e}\ = "GoSave" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{b119401f-d265-4468-9fae-5df0a3914a6e}\NoExplorer = "1" regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{b119401f-d265-4468-9fae-5df0a3914a6e} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{b119401f-d265-4468-9fae-5df0a3914a6e} 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{b119401f-d265-4468-9fae-5df0a3914a6e}\ = "GoSave" 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{b119401f-d265-4468-9fae-5df0a3914a6e}\NoExplorer = "1" 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{b119401f-d265-4468-9fae-5df0a3914a6e} 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{b119401f-d265-4468-9fae-5df0a3914a6e} regsvr32.exe -
Drops file in Program Files directory 8 IoCs
Processes:
275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exedescription ioc process File created C:\Program Files (x86)\GoSave\uWyF5uCbXcGgHF.dll 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe File opened for modification C:\Program Files (x86)\GoSave\uWyF5uCbXcGgHF.dll 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe File created C:\Program Files (x86)\GoSave\uWyF5uCbXcGgHF.tlb 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe File opened for modification C:\Program Files (x86)\GoSave\uWyF5uCbXcGgHF.tlb 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe File created C:\Program Files (x86)\GoSave\uWyF5uCbXcGgHF.dat 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe File opened for modification C:\Program Files (x86)\GoSave\uWyF5uCbXcGgHF.dat 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe File created C:\Program Files (x86)\GoSave\uWyF5uCbXcGgHF.x64.dll 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe File opened for modification C:\Program Files (x86)\GoSave\uWyF5uCbXcGgHF.x64.dll 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe -
Processes:
regsvr32.exe275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exedescription ioc process Key deleted \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{B119401F-D265-4468-9FAE-5DF0A3914A6E} regsvr32.exe Key deleted \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{b119401f-d265-4468-9fae-5df0a3914a6e} regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{b119401f-d265-4468-9fae-5df0a3914a6e} 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Key deleted \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{B119401F-D265-4468-9FAE-5DF0A3914A6E} 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Key deleted \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe -
Modifies registry class 64 IoCs
Processes:
regsvr32.exe275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{b119401f-d265-4468-9fae-5df0a3914a6e}\ = "GoSave" regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{b119401f-d265-4468-9fae-5df0a3914a6e}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0" 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{b119401f-d265-4468-9fae-5df0a3914a6e}\VersionIndependentProgID 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\ = "IEPluginLib" 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32\ = "C:\\Program Files (x86)\\GoSave\\uWyF5uCbXcGgHF.tlb" 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF} 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{b119401f-d265-4468-9fae-5df0a3914a6e}" 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry" 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC} 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B119401F-D265-4468-9FAE-5DF0A3914A6E} 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{b119401f-d265-4468-9fae-5df0a3914a6e}\Programmable 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage" 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID\ = "{b119401f-d265-4468-9fae-5df0a3914a6e}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer\ = ".9" 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B119401F-D265-4468-9FAE-5DF0A3914A6E}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640} 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0} 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0" 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{b119401f-d265-4468-9fae-5df0a3914a6e}\VersionIndependentProgID\ 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry" 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\..9\ = "GoSave" regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{b119401f-d265-4468-9fae-5df0a3914a6e}\Programmable regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0" 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}" 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{b119401f-d265-4468-9fae-5df0a3914a6e}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{B119401F-D265-4468-9FAE-5DF0A3914A6E} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{B119401F-D265-4468-9FAE-5DF0A3914A6E}\Implemented Categories regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\..9\ = "GoSave" 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID\ = "{b119401f-d265-4468-9fae-5df0a3914a6e}" 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{b119401f-d265-4468-9fae-5df0a3914a6e} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{b119401f-d265-4468-9fae-5df0a3914a6e}\VersionIndependentProgID 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B119401F-D265-4468-9FAE-5DF0A3914A6E}\Implemented Categories 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein" 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein" 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{b119401f-d265-4468-9fae-5df0a3914a6e}\ProgID\ = ".9" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{b119401f-d265-4468-9fae-5df0a3914a6e}\VersionIndependentProgID\ regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}" 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{b119401f-d265-4468-9fae-5df0a3914a6e}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\uWyF5uCbXcGgHF.x64.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{B119401F-D265-4468-9FAE-5DF0A3914A6E}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{b119401f-d265-4468-9fae-5df0a3914a6e}\InprocServer32 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0} 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{b119401f-d265-4468-9fae-5df0a3914a6e}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{b119401f-d265-4468-9fae-5df0a3914a6e}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\uWyF5uCbXcGgHF.dll" 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF} 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}" 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC} 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{b119401f-d265-4468-9fae-5df0a3914a6e}\VersionIndependentProgID regsvr32.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
Processes:
275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exepid process 3136 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe 3136 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe 3136 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe 3136 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe 3136 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe 3136 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe 3136 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe 3136 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe 3136 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe 3136 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe 3136 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe 3136 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exedescription pid process Token: SeDebugPrivilege 3136 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Token: SeDebugPrivilege 3136 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Token: SeDebugPrivilege 3136 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Token: SeDebugPrivilege 3136 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Token: SeDebugPrivilege 3136 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Token: SeDebugPrivilege 3136 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe -
Suspicious use of WriteProcessMemory 5 IoCs
Processes:
275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exeregsvr32.exedescription pid process target process PID 3136 wrote to memory of 4460 3136 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe regsvr32.exe PID 3136 wrote to memory of 4460 3136 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe regsvr32.exe PID 3136 wrote to memory of 4460 3136 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe regsvr32.exe PID 4460 wrote to memory of 3728 4460 regsvr32.exe regsvr32.exe PID 4460 wrote to memory of 3728 4460 regsvr32.exe regsvr32.exe -
System policy modification 1 TTPs 1 IoCs
Processes:
275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID\{b119401f-d265-4468-9fae-5df0a3914a6e} = "1" 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe"C:\Users\Admin\AppData\Local\Temp\275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.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\uWyF5uCbXcGgHF.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\uWyF5uCbXcGgHF.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\uWyF5uCbXcGgHF.datFilesize
4KB
MD5e5af5087f416ee2fceee123d669f77ef
SHA1dcd9cceeb8815be591d0151a1cc73a4d53e31d74
SHA25693a545b3e966885647cf49c74873bc2325cc90f7b7717ce346ef76857f48fb43
SHA51247ca3ae3262ceb6498101cf5ea561b82dc4391f0d81fdcda01caca2d12f9ca63dbd6818a133a97173f0c36d77ce0196d6a21e10ea3ffeaf6544c1373eef42ae2
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C:\Program Files (x86)\GoSave\uWyF5uCbXcGgHF.dllFilesize
738KB
MD549961c7c9a7aef57f49adf50d1c810f6
SHA1fc2078aeff5d5abee27c9e8a500cb2d6ae755b05
SHA256c80abdc502d18db54137edc2680a498402c765999814b7fe1b2a7b69a64ce846
SHA5128ad2c3dbd3b4390e4c49561f25ff2acdd4ab4468074e213f3efc81a598f71620e8f21fc87114623a6c0509997e47e1c4f5ffe703c7421ae313f7ba536df2772f
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C:\Program Files (x86)\GoSave\uWyF5uCbXcGgHF.tlbFilesize
3KB
MD5e3ab22d8beac0180520ab5289a64419b
SHA11456ba2c78b293e5a80185fefdf05f5dbe424937
SHA2560d3342857b67678dd76e6a24e137f0d75ba399bb48bf5095d7e4f7dfa0bbe416
SHA512c04163026ffa1c6fab34b4fdbf23702148c7c2a31dd356d26f9541027db078b6433aff3a5f749a209a3acbcf3a853a9b5f77984540e21be1f823ce92bcbfc4bf
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C:\Program Files (x86)\GoSave\uWyF5uCbXcGgHF.x64.dllFilesize
872KB
MD5337b97dbbcc7ad4d75fb5a90652e6de3
SHA150e50243af1819e62a7512d85e6dd67b8e1ed103
SHA256b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c
SHA512dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e
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C:\Program Files (x86)\GoSave\uWyF5uCbXcGgHF.x64.dllFilesize
872KB
MD5337b97dbbcc7ad4d75fb5a90652e6de3
SHA150e50243af1819e62a7512d85e6dd67b8e1ed103
SHA256b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c
SHA512dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e
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C:\Program Files (x86)\GoSave\uWyF5uCbXcGgHF.x64.dllFilesize
872KB
MD5337b97dbbcc7ad4d75fb5a90652e6de3
SHA150e50243af1819e62a7512d85e6dd67b8e1ed103
SHA256b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c
SHA512dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e
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memory/3136-132-0x0000000002FD0000-0x0000000003099000-memory.dmpFilesize
804KB
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memory/3728-141-0x0000000000000000-mapping.dmp
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memory/4460-138-0x0000000000000000-mapping.dmp