Analysis
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max time kernel
200s -
max time network
245s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
24-11-2022 16:36
Static task
static1
Behavioral task
behavioral1
Sample
fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe
Resource
win10v2004-20221111-en
General
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Target
fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe
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Size
4.3MB
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MD5
1a6d4a10bf02757673df3d1b90dcb922
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SHA1
b1f134fdd43ddee2d86bbd02e9dafe8f9c1713ac
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SHA256
fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703
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SHA512
2408399157b1fd19800449cf346ad3790e61243b228cae47da31a89c387eed1eb720e28f7ca1ba85af8b29523af7e8936956ee0f56926020585635288cd9f167
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SSDEEP
49152:oSuK4jZ0WHCpNqLmxup4gdGKvghxfki1Tc7SKzVyoC3yE/Ac5mWxnmGr:b2Z0Nvq6Kcq7SKsoWNAxenV
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\{1e7a075d-deba-4272-b7bf-3c785ead22b7}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1e7a075d-deba-4272-b7bf-3c785ead22b7}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\03Qg9K6WeswaJF.x64.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1e7a075d-deba-4272-b7bf-3c785ead22b7}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1e7a075d-deba-4272-b7bf-3c785ead22b7}\InprocServer32 regsvr32.exe -
Loads dropped DLL 3 IoCs
Processes:
fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exeregsvr32.exeregsvr32.exepid process 3368 fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe 3596 regsvr32.exe 4596 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:
fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exeregsvr32.exedescription ioc process Key deleted \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1e7a075d-deba-4272-b7bf-3c785ead22b7} fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1e7a075d-deba-4272-b7bf-3c785ead22b7} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1e7a075d-deba-4272-b7bf-3c785ead22b7}\ = "GoSave" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1e7a075d-deba-4272-b7bf-3c785ead22b7}\NoExplorer = "1" regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1e7a075d-deba-4272-b7bf-3c785ead22b7} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1e7a075d-deba-4272-b7bf-3c785ead22b7} fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1e7a075d-deba-4272-b7bf-3c785ead22b7}\ = "GoSave" fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1e7a075d-deba-4272-b7bf-3c785ead22b7}\NoExplorer = "1" fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe -
Drops file in Program Files directory 8 IoCs
Processes:
fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exedescription ioc process File created C:\Program Files (x86)\GoSave\03Qg9K6WeswaJF.dat fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe File opened for modification C:\Program Files (x86)\GoSave\03Qg9K6WeswaJF.dat fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe File created C:\Program Files (x86)\GoSave\03Qg9K6WeswaJF.x64.dll fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe File opened for modification C:\Program Files (x86)\GoSave\03Qg9K6WeswaJF.x64.dll fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe File created C:\Program Files (x86)\GoSave\03Qg9K6WeswaJF.dll fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe File opened for modification C:\Program Files (x86)\GoSave\03Qg9K6WeswaJF.dll fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe File created C:\Program Files (x86)\GoSave\03Qg9K6WeswaJF.tlb fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe File opened for modification C:\Program Files (x86)\GoSave\03Qg9K6WeswaJF.tlb fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe -
Processes:
fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exeregsvr32.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{1e7a075d-deba-4272-b7bf-3c785ead22b7} fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Key deleted \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{1E7A075D-DEBA-4272-B7BF-3C785EAD22B7} fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Key deleted \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Key deleted \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{1E7A075D-DEBA-4272-B7BF-3C785EAD22B7} 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\{1e7a075d-deba-4272-b7bf-3c785ead22b7} regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe -
Modifies registry class 64 IoCs
Processes:
fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exeregsvr32.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0" fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "GoSave" fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1e7a075d-deba-4272-b7bf-3c785ead22b7}\ProgID fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755} fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer\ = ".9" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1e7a075d-deba-4272-b7bf-3c785ead22b7}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1e7a075d-deba-4272-b7bf-3c785ead22b7}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1e7a075d-deba-4272-b7bf-3c785ead22b7}\VersionIndependentProgID\ fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}" fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\..9\ = "GoSave" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32 fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{1e7a075d-deba-4272-b7bf-3c785ead22b7}" fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32 fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage" fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}" fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\..9 fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1e7a075d-deba-4272-b7bf-3c785ead22b7} fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32\ = "C:\\Program Files (x86)\\GoSave\\03Qg9K6WeswaJF.tlb" fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF} fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\. fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}" fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC} fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1e7a075d-deba-4272-b7bf-3c785ead22b7}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein" fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0} fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage" fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1e7a075d-deba-4272-b7bf-3c785ead22b7}\ProgID\ = ".9" fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF} fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0" fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1e7a075d-deba-4272-b7bf-3c785ead22b7}\ = "GoSave" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1e7a075d-deba-4272-b7bf-3c785ead22b7}\ProgID\ = ".9" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1e7a075d-deba-4272-b7bf-3c785ead22b7}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\03Qg9K6WeswaJF.x64.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1E7A075D-DEBA-4272-B7BF-3C785EAD22B7}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1e7a075d-deba-4272-b7bf-3c785ead22b7}\InprocServer32\ThreadingModel = "Apartment" fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS\ = "0" fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein" fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0" fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1e7a075d-deba-4272-b7bf-3c785ead22b7} regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1e7a075d-deba-4272-b7bf-3c785ead22b7} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1e7a075d-deba-4272-b7bf-3c785ead22b7}\Programmable fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1E7A075D-DEBA-4272-B7BF-3C785EAD22B7}\Implemented Categories fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1e7a075d-deba-4272-b7bf-3c785ead22b7}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\03Qg9K6WeswaJF.dll" fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1e7a075d-deba-4272-b7bf-3c785ead22b7}\VersionIndependentProgID fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32 fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32 fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}" fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1e7a075d-deba-4272-b7bf-3c785ead22b7}\ProgID regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1e7a075d-deba-4272-b7bf-3c785ead22b7}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1e7a075d-deba-4272-b7bf-3c785ead22b7}\VersionIndependentProgID fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1e7a075d-deba-4272-b7bf-3c785ead22b7}\Programmable fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1e7a075d-deba-4272-b7bf-3c785ead22b7}\InprocServer32 fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32 fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1e7a075d-deba-4272-b7bf-3c785ead22b7}\ProgID regsvr32.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
Processes:
fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exepid process 3368 fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe 3368 fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe 3368 fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe 3368 fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe 3368 fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe 3368 fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe 3368 fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe 3368 fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe 3368 fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe 3368 fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe 3368 fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe 3368 fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exedescription pid process Token: SeDebugPrivilege 3368 fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Token: SeDebugPrivilege 3368 fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Token: SeDebugPrivilege 3368 fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Token: SeDebugPrivilege 3368 fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Token: SeDebugPrivilege 3368 fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe Token: SeDebugPrivilege 3368 fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe -
Suspicious use of WriteProcessMemory 5 IoCs
Processes:
fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exeregsvr32.exedescription pid process target process PID 3368 wrote to memory of 3596 3368 fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe regsvr32.exe PID 3368 wrote to memory of 3596 3368 fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe regsvr32.exe PID 3368 wrote to memory of 3596 3368 fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe regsvr32.exe PID 3596 wrote to memory of 4596 3596 regsvr32.exe regsvr32.exe PID 3596 wrote to memory of 4596 3596 regsvr32.exe regsvr32.exe -
System policy modification 1 TTPs 1 IoCs
Processes:
fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID\{1e7a075d-deba-4272-b7bf-3c785ead22b7} = "1" fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.exe"C:\Users\Admin\AppData\Local\Temp\fb1ca6ec19ebb8709cebf0a7c7482589389a85b2fd6c3f24636e3aa43f07b703.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\03Qg9K6WeswaJF.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\03Qg9K6WeswaJF.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\03Qg9K6WeswaJF.datFilesize
4KB
MD59fc05a32bee9780caf90f53d45b2d823
SHA1c64b551a36b30d11c8be6b8cdb16615c1c91e8ba
SHA2564537e9f9f8e161378ef9270756f5e09031ded31ec6910bc7b7f6144903663859
SHA512fdc2f7247340605e28ee5bf9eee9b1a356006097240848bbb40aac36daf5a9b28207392b06a09b9a3f210783d869a83acd68f32c28ff3c97e957e88dcc5dee39
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C:\Program Files (x86)\GoSave\03Qg9K6WeswaJF.dllFilesize
738KB
MD549961c7c9a7aef57f49adf50d1c810f6
SHA1fc2078aeff5d5abee27c9e8a500cb2d6ae755b05
SHA256c80abdc502d18db54137edc2680a498402c765999814b7fe1b2a7b69a64ce846
SHA5128ad2c3dbd3b4390e4c49561f25ff2acdd4ab4468074e213f3efc81a598f71620e8f21fc87114623a6c0509997e47e1c4f5ffe703c7421ae313f7ba536df2772f
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C:\Program Files (x86)\GoSave\03Qg9K6WeswaJF.tlbFilesize
3KB
MD5e3ab22d8beac0180520ab5289a64419b
SHA11456ba2c78b293e5a80185fefdf05f5dbe424937
SHA2560d3342857b67678dd76e6a24e137f0d75ba399bb48bf5095d7e4f7dfa0bbe416
SHA512c04163026ffa1c6fab34b4fdbf23702148c7c2a31dd356d26f9541027db078b6433aff3a5f749a209a3acbcf3a853a9b5f77984540e21be1f823ce92bcbfc4bf
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C:\Program Files (x86)\GoSave\03Qg9K6WeswaJF.x64.dllFilesize
872KB
MD5337b97dbbcc7ad4d75fb5a90652e6de3
SHA150e50243af1819e62a7512d85e6dd67b8e1ed103
SHA256b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c
SHA512dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e
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C:\Program Files (x86)\GoSave\03Qg9K6WeswaJF.x64.dllFilesize
872KB
MD5337b97dbbcc7ad4d75fb5a90652e6de3
SHA150e50243af1819e62a7512d85e6dd67b8e1ed103
SHA256b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c
SHA512dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e
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C:\Program Files (x86)\GoSave\03Qg9K6WeswaJF.x64.dllFilesize
872KB
MD5337b97dbbcc7ad4d75fb5a90652e6de3
SHA150e50243af1819e62a7512d85e6dd67b8e1ed103
SHA256b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c
SHA512dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e
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memory/3368-133-0x0000000003810000-0x00000000038D9000-memory.dmpFilesize
804KB
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memory/3596-139-0x0000000000000000-mapping.dmp
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memory/4596-142-0x0000000000000000-mapping.dmp