Analysis
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max time kernel
190s -
max time network
204s -
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 20:42
Static task
static1
Behavioral task
behavioral1
Sample
b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe
Resource
win10v2004-20221111-en
General
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Target
b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe
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Size
4.4MB
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MD5
81b76f5fcee0fbe015c44f500240a08b
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SHA1
08b98253a6d3b3136471f0fd1f1eb9fd20ee91bd
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SHA256
b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d
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SHA512
af740a38f896d17cd49479d73c23b8807c0fed4e75e8a321db513b356441373a7dafe97fda2075f066f4e80bee60bc6fa17257cdc9ec58d7c830203e52be1844
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SSDEEP
49152:LXk098aJQu5Bq6fmxup4+dGKvghxfki10O9buOBqFoyoC3yE/Ac5mWxnmMy:VmaJrM6YKcxbuOBqFXoWNAxenz
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\{75e3d9c4-5a30-4801-8cd2-b3b0e6865261}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{75e3d9c4-5a30-4801-8cd2-b3b0e6865261}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\8yPQJX03QjUe1e.x64.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{75e3d9c4-5a30-4801-8cd2-b3b0e6865261}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{75e3d9c4-5a30-4801-8cd2-b3b0e6865261}\InprocServer32 regsvr32.exe -
Loads dropped DLL 3 IoCs
Processes:
b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exeregsvr32.exeregsvr32.exepid process 1344 b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe 2188 regsvr32.exe 1672 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:
b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exeregsvr32.exedescription ioc process Key deleted \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{75e3d9c4-5a30-4801-8cd2-b3b0e6865261} b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{75e3d9c4-5a30-4801-8cd2-b3b0e6865261} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{75e3d9c4-5a30-4801-8cd2-b3b0e6865261}\ = "GoSave" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{75e3d9c4-5a30-4801-8cd2-b3b0e6865261}\NoExplorer = "1" regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{75e3d9c4-5a30-4801-8cd2-b3b0e6865261} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{75e3d9c4-5a30-4801-8cd2-b3b0e6865261} b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{75e3d9c4-5a30-4801-8cd2-b3b0e6865261}\ = "GoSave" b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{75e3d9c4-5a30-4801-8cd2-b3b0e6865261}\NoExplorer = "1" b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe -
Drops file in Program Files directory 8 IoCs
Processes:
b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exedescription ioc process File created C:\Program Files (x86)\GoSave\8yPQJX03QjUe1e.dat b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe File opened for modification C:\Program Files (x86)\GoSave\8yPQJX03QjUe1e.dat b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe File created C:\Program Files (x86)\GoSave\8yPQJX03QjUe1e.x64.dll b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe File opened for modification C:\Program Files (x86)\GoSave\8yPQJX03QjUe1e.x64.dll b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe File created C:\Program Files (x86)\GoSave\8yPQJX03QjUe1e.dll b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe File opened for modification C:\Program Files (x86)\GoSave\8yPQJX03QjUe1e.dll b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe File created C:\Program Files (x86)\GoSave\8yPQJX03QjUe1e.tlb b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe File opened for modification C:\Program Files (x86)\GoSave\8yPQJX03QjUe1e.tlb b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe -
Processes:
regsvr32.exeb016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exedescription ioc process Key deleted \REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{75E3D9C4-5A30-4801-8CD2-B3B0E6865261} regsvr32.exe Key deleted \REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{75e3d9c4-5a30-4801-8cd2-b3b0e6865261} regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Key created \REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{75e3d9c4-5a30-4801-8cd2-b3b0e6865261} b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Key deleted \REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{75E3D9C4-5A30-4801-8CD2-B3B0E6865261} b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Key deleted \REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe -
Modifies registry class 64 IoCs
Processes:
b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exeregsvr32.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{75e3d9c4-5a30-4801-8cd2-b3b0e6865261}" b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "GoSave" b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{75e3d9c4-5a30-4801-8cd2-b3b0e6865261} b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{75e3d9c4-5a30-4801-8cd2-b3b0e6865261}\ProgID b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0" b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID\ = "{75e3d9c4-5a30-4801-8cd2-b3b0e6865261}" b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{75e3d9c4-5a30-4801-8cd2-b3b0e6865261}\ = "GoSave" b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{75e3d9c4-5a30-4801-8cd2-b3b0e6865261}\InprocServer32 b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry" b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0} b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry" b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{75e3d9c4-5a30-4801-8cd2-b3b0e6865261}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\8yPQJX03QjUe1e.dll" b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{75e3d9c4-5a30-4801-8cd2-b3b0e6865261}\InprocServer32\ThreadingModel = "Apartment" b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{75E3D9C4-5A30-4801-8CD2-B3B0E6865261} b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{75E3D9C4-5A30-4801-8CD2-B3B0E6865261}\Implemented Categories b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "GoSave" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{75e3d9c4-5a30-4801-8cd2-b3b0e6865261}\Programmable regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{75e3d9c4-5a30-4801-8cd2-b3b0e6865261} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\..9 b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{75e3d9c4-5a30-4801-8cd2-b3b0e6865261} b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}" b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{75e3d9c4-5a30-4801-8cd2-b3b0e6865261}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{75e3d9c4-5a30-4801-8cd2-b3b0e6865261}\ = "GoSave" regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{75e3d9c4-5a30-4801-8cd2-b3b0e6865261}\InprocServer32 regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{75e3d9c4-5a30-4801-8cd2-b3b0e6865261}\ProgID regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{75e3d9c4-5a30-4801-8cd2-b3b0e6865261}\InprocServer32 b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0 b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage" b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{75e3d9c4-5a30-4801-8cd2-b3b0e6865261} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0" b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{75e3d9c4-5a30-4801-8cd2-b3b0e6865261}\VersionIndependentProgID b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF} b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}" b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC} b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0" b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}" b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\. b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer\ = ".9" b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32 b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{75e3d9c4-5a30-4801-8cd2-b3b0e6865261}\VersionIndependentProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{75e3d9c4-5a30-4801-8cd2-b3b0e6865261}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{75e3d9c4-5a30-4801-8cd2-b3b0e6865261}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\8yPQJX03QjUe1e.x64.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS\ = "0" b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0" b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{75e3d9c4-5a30-4801-8cd2-b3b0e6865261}\ProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}" b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF} b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32 b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID\ = "{75e3d9c4-5a30-4801-8cd2-b3b0e6865261}" regsvr32.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
Processes:
b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exepid process 1344 b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe 1344 b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe 1344 b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe 1344 b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe 1344 b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe 1344 b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe 1344 b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe 1344 b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe 1344 b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe 1344 b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe 1344 b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe 1344 b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exedescription pid process Token: SeDebugPrivilege 1344 b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Token: SeDebugPrivilege 1344 b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Token: SeDebugPrivilege 1344 b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Token: SeDebugPrivilege 1344 b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Token: SeDebugPrivilege 1344 b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe Token: SeDebugPrivilege 1344 b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe -
Suspicious use of WriteProcessMemory 5 IoCs
Processes:
b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exeregsvr32.exedescription pid process target process PID 1344 wrote to memory of 2188 1344 b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe regsvr32.exe PID 1344 wrote to memory of 2188 1344 b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe regsvr32.exe PID 1344 wrote to memory of 2188 1344 b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe regsvr32.exe PID 2188 wrote to memory of 1672 2188 regsvr32.exe regsvr32.exe PID 2188 wrote to memory of 1672 2188 regsvr32.exe regsvr32.exe -
System policy modification 1 TTPs 1 IoCs
Processes:
b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID\{75e3d9c4-5a30-4801-8cd2-b3b0e6865261} = "1" b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.exe"C:\Users\Admin\AppData\Local\Temp\b016de88b1fe3bf4b71591caa363cdbd605e39c933efab0f1b4ca8061c30981d.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\8yPQJX03QjUe1e.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\8yPQJX03QjUe1e.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\8yPQJX03QjUe1e.datFilesize
4KB
MD521d9d73a1c49d541f76da8cf460e17a3
SHA19d742325d6f2666e8300b137607e3fd1244bf98c
SHA256b38e378f859814a3910177a5ae1bf35c7107a44efa5e5df7c04f8ce70bbaea7c
SHA5126ccff50051a32e9bd49df44e41b7a84704c1a5d8a6136226467b62da47ef96e6f7d1838fe1e9cc8f5b57f812e1a3a03845c5006ea270d0ed2e095fb0bd62f6ff
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C:\Program Files (x86)\GoSave\8yPQJX03QjUe1e.dllFilesize
738KB
MD549961c7c9a7aef57f49adf50d1c810f6
SHA1fc2078aeff5d5abee27c9e8a500cb2d6ae755b05
SHA256c80abdc502d18db54137edc2680a498402c765999814b7fe1b2a7b69a64ce846
SHA5128ad2c3dbd3b4390e4c49561f25ff2acdd4ab4468074e213f3efc81a598f71620e8f21fc87114623a6c0509997e47e1c4f5ffe703c7421ae313f7ba536df2772f
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C:\Program Files (x86)\GoSave\8yPQJX03QjUe1e.tlbFilesize
3KB
MD5e3ab22d8beac0180520ab5289a64419b
SHA11456ba2c78b293e5a80185fefdf05f5dbe424937
SHA2560d3342857b67678dd76e6a24e137f0d75ba399bb48bf5095d7e4f7dfa0bbe416
SHA512c04163026ffa1c6fab34b4fdbf23702148c7c2a31dd356d26f9541027db078b6433aff3a5f749a209a3acbcf3a853a9b5f77984540e21be1f823ce92bcbfc4bf
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C:\Program Files (x86)\GoSave\8yPQJX03QjUe1e.x64.dllFilesize
872KB
MD5337b97dbbcc7ad4d75fb5a90652e6de3
SHA150e50243af1819e62a7512d85e6dd67b8e1ed103
SHA256b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c
SHA512dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e
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C:\Program Files (x86)\GoSave\8yPQJX03QjUe1e.x64.dllFilesize
872KB
MD5337b97dbbcc7ad4d75fb5a90652e6de3
SHA150e50243af1819e62a7512d85e6dd67b8e1ed103
SHA256b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c
SHA512dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e
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C:\Program Files (x86)\GoSave\8yPQJX03QjUe1e.x64.dllFilesize
872KB
MD5337b97dbbcc7ad4d75fb5a90652e6de3
SHA150e50243af1819e62a7512d85e6dd67b8e1ed103
SHA256b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c
SHA512dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e
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memory/1344-132-0x00000000035E0000-0x00000000036A9000-memory.dmpFilesize
804KB
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memory/1672-141-0x0000000000000000-mapping.dmp
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memory/2188-138-0x0000000000000000-mapping.dmp