Analysis
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max time kernel
58s -
max time network
34s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-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 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 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 -
Loads dropped DLL 3 IoCs
Processes:
275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exeregsvr32.exeregsvr32.exepid process 680 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe 1152 regsvr32.exe 300 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:
275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exeregsvr32.exedescription ioc process 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 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 -
Drops file in Program Files directory 8 IoCs
Processes:
275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exedescription ioc process File opened for modification C:\Program Files (x86)\GoSave\uWyF5uCbXcGgHF.x64.dll 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe 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 -
Processes:
275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exeregsvr32.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{b119401f-d265-4468-9fae-5df0a3914a6e} 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Key deleted \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{B119401F-D265-4468-9FAE-5DF0A3914A6E} 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Key deleted \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Key deleted \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{B119401F-D265-4468-9FAE-5DF0A3914A6E} regsvr32.exe Key deleted \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{b119401f-d265-4468-9fae-5df0a3914a6e} regsvr32.exe -
Modifies registry class 64 IoCs
Processes:
regsvr32.exe275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer\ = ".9" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{b119401f-d265-4468-9fae-5df0a3914a6e}\InprocServer32 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755} 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\Version = "1.0" 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib 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\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0" 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{b119401f-d265-4468-9fae-5df0a3914a6e}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\..9 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{b119401f-d265-4468-9fae-5df0a3914a6e}\Programmable 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF} 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\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{b119401f-d265-4468-9fae-5df0a3914a6e}\Programmable regsvr32.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 deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{b119401f-d265-4468-9fae-5df0a3914a6e}\InprocServer32 regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{b119401f-d265-4468-9fae-5df0a3914a6e}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{b119401f-d265-4468-9fae-5df0a3914a6e}\ProgID 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\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}" 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{b119401f-d265-4468-9fae-5df0a3914a6e}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{b119401f-d265-4468-9fae-5df0a3914a6e}\ProgID\ = ".9" regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{b119401f-d265-4468-9fae-5df0a3914a6e}\VersionIndependentProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{b119401f-d265-4468-9fae-5df0a3914a6e}\InprocServer32\ThreadingModel = "Apartment" 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 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\.\ = "GoSave" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID\ = "{b119401f-d265-4468-9fae-5df0a3914a6e}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{b119401f-d265-4468-9fae-5df0a3914a6e}\VersionIndependentProgID\ regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{b119401f-d265-4468-9fae-5df0a3914a6e} 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS\ = "0" 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}" 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0} 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\Wow6432Node\CLSID\{b119401f-d265-4468-9fae-5df0a3914a6e} 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B119401F-D265-4468-9FAE-5DF0A3914A6E}\Implemented Categories 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage" 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry" 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "GoSave" 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{b119401f-d265-4468-9fae-5df0a3914a6e}\ProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{B119401F-D265-4468-9FAE-5DF0A3914A6E}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID\ = "{b119401f-d265-4468-9fae-5df0a3914a6e}" 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer\ = ".9" 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\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}" 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{b119401f-d265-4468-9fae-5df0a3914a6e} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry" 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{b119401f-d265-4468-9fae-5df0a3914a6e}\VersionIndependentProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\ = "IEPluginLib" 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exepid process 680 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe 680 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe 680 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe 680 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe 680 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe 680 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exedescription pid process Token: SeDebugPrivilege 680 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Token: SeDebugPrivilege 680 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Token: SeDebugPrivilege 680 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Token: SeDebugPrivilege 680 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Token: SeDebugPrivilege 680 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe Token: SeDebugPrivilege 680 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exeregsvr32.exedescription pid process target process PID 680 wrote to memory of 1152 680 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe regsvr32.exe PID 680 wrote to memory of 1152 680 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe regsvr32.exe PID 680 wrote to memory of 1152 680 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe regsvr32.exe PID 680 wrote to memory of 1152 680 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe regsvr32.exe PID 680 wrote to memory of 1152 680 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe regsvr32.exe PID 680 wrote to memory of 1152 680 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe regsvr32.exe PID 680 wrote to memory of 1152 680 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe regsvr32.exe PID 1152 wrote to memory of 300 1152 regsvr32.exe regsvr32.exe PID 1152 wrote to memory of 300 1152 regsvr32.exe regsvr32.exe PID 1152 wrote to memory of 300 1152 regsvr32.exe regsvr32.exe PID 1152 wrote to memory of 300 1152 regsvr32.exe regsvr32.exe PID 1152 wrote to memory of 300 1152 regsvr32.exe regsvr32.exe PID 1152 wrote to memory of 300 1152 regsvr32.exe regsvr32.exe PID 1152 wrote to memory of 300 1152 regsvr32.exe regsvr32.exe -
System policy modification 1 TTPs 2 IoCs
Processes:
275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID 275fbc972146975eef19a5da49ec92fe57487813db04d7abd96202bb9550ca1f.exe 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.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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\Program Files (x86)\GoSave\uWyF5uCbXcGgHF.dllFilesize
738KB
MD549961c7c9a7aef57f49adf50d1c810f6
SHA1fc2078aeff5d5abee27c9e8a500cb2d6ae755b05
SHA256c80abdc502d18db54137edc2680a498402c765999814b7fe1b2a7b69a64ce846
SHA5128ad2c3dbd3b4390e4c49561f25ff2acdd4ab4468074e213f3efc81a598f71620e8f21fc87114623a6c0509997e47e1c4f5ffe703c7421ae313f7ba536df2772f
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\Program Files (x86)\GoSave\uWyF5uCbXcGgHF.x64.dllFilesize
872KB
MD5337b97dbbcc7ad4d75fb5a90652e6de3
SHA150e50243af1819e62a7512d85e6dd67b8e1ed103
SHA256b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c
SHA512dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e
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\Program Files (x86)\GoSave\uWyF5uCbXcGgHF.x64.dllFilesize
872KB
MD5337b97dbbcc7ad4d75fb5a90652e6de3
SHA150e50243af1819e62a7512d85e6dd67b8e1ed103
SHA256b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c
SHA512dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e
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memory/300-65-0x0000000000000000-mapping.dmp
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memory/300-66-0x000007FEFC421000-0x000007FEFC423000-memory.dmpFilesize
8KB
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memory/680-54-0x00000000767D1000-0x00000000767D3000-memory.dmpFilesize
8KB
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memory/680-55-0x0000000002A40000-0x0000000002B09000-memory.dmpFilesize
804KB
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memory/1152-61-0x0000000000000000-mapping.dmp