Analysis
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max time kernel
400s -
max time network
448s -
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 20:31
Static task
static1
Behavioral task
behavioral1
Sample
b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe
Resource
win10v2004-20221111-en
General
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Target
b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe
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Size
4.3MB
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MD5
e665f00541de91359a57c78307fe9878
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SHA1
469ade3670cdbd4af63c647c6e2df04db1e8831f
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SHA256
b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6
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SHA512
2462dd14e03ef50c060d777207621f380f04db9ff8105dbf288b868cd04c66fba3bd9ec822d4fc0b1e67042a6df7f37e009099ac044f94e0ed89f05e2da80176
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SSDEEP
49152:CUuKYWYG/n0JOKLmxup4JdGKvghxfki1mc7SKgB+lyzEJ3jsP:zjYGcAKbKcB7SKRYiTs
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\{608c8646-cbab-4337-bc3f-41c71b7027c1}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{608c8646-cbab-4337-bc3f-41c71b7027c1}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\7soOrHdeIUlYxP.x64.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{608c8646-cbab-4337-bc3f-41c71b7027c1}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{608c8646-cbab-4337-bc3f-41c71b7027c1}\InprocServer32 regsvr32.exe -
Loads dropped DLL 3 IoCs
Processes:
b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exeregsvr32.exeregsvr32.exepid process 4948 b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe 4792 regsvr32.exe 4572 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.exeb40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{608c8646-cbab-4337-bc3f-41c71b7027c1}\ = "GoSave" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{608c8646-cbab-4337-bc3f-41c71b7027c1}\NoExplorer = "1" regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{608c8646-cbab-4337-bc3f-41c71b7027c1} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{608c8646-cbab-4337-bc3f-41c71b7027c1} b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{608c8646-cbab-4337-bc3f-41c71b7027c1}\ = "GoSave" b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{608c8646-cbab-4337-bc3f-41c71b7027c1}\NoExplorer = "1" b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{608c8646-cbab-4337-bc3f-41c71b7027c1} b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{608c8646-cbab-4337-bc3f-41c71b7027c1} regsvr32.exe -
Drops file in Program Files directory 8 IoCs
Processes:
b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exedescription ioc process File created C:\Program Files (x86)\GoSave\7soOrHdeIUlYxP.x64.dll b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe File opened for modification C:\Program Files (x86)\GoSave\7soOrHdeIUlYxP.x64.dll b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe File created C:\Program Files (x86)\GoSave\7soOrHdeIUlYxP.dll b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe File opened for modification C:\Program Files (x86)\GoSave\7soOrHdeIUlYxP.dll b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe File created C:\Program Files (x86)\GoSave\7soOrHdeIUlYxP.tlb b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe File opened for modification C:\Program Files (x86)\GoSave\7soOrHdeIUlYxP.tlb b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe File created C:\Program Files (x86)\GoSave\7soOrHdeIUlYxP.dat b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe File opened for modification C:\Program Files (x86)\GoSave\7soOrHdeIUlYxP.dat b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe -
Processes:
b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exeregsvr32.exedescription ioc process Key deleted \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{608C8646-CBAB-4337-BC3F-41C71B7027C1} b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe Key deleted \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe Key deleted \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{608C8646-CBAB-4337-BC3F-41C71B7027C1} regsvr32.exe Key deleted \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{608c8646-cbab-4337-bc3f-41c71b7027c1} regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe Key created \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{608c8646-cbab-4337-bc3f-41c71b7027c1} b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe -
Modifies registry class 64 IoCs
Processes:
regsvr32.exeb40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{608C8646-CBAB-4337-BC3F-41C71B7027C1} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{608c8646-cbab-4337-bc3f-41c71b7027c1}" b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0 b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC} b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}" b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{608c8646-cbab-4337-bc3f-41c71b7027c1}\ProgID\ = ".9" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{608c8646-cbab-4337-bc3f-41c71b7027c1}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer\ = ".9" b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{608c8646-cbab-4337-bc3f-41c71b7027c1}\VersionIndependentProgID b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0} b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "GoSave" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{608C8646-CBAB-4337-BC3F-41C71B7027C1}\Implemented Categories regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "GoSave" b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\ = "IEPluginLib" b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32 b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{608c8646-cbab-4337-bc3f-41c71b7027c1}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\..9\ = "GoSave" b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{608c8646-cbab-4337-bc3f-41c71b7027c1}\Programmable b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{608C8646-CBAB-4337-BC3F-41C71B7027C1} b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32 b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{608c8646-cbab-4337-bc3f-41c71b7027c1} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\..9 b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{608c8646-cbab-4337-bc3f-41c71b7027c1} b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{608c8646-cbab-4337-bc3f-41c71b7027c1}\ProgID\ = ".9" b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{608c8646-cbab-4337-bc3f-41c71b7027c1}\Programmable b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID\ = "{608c8646-cbab-4337-bc3f-41c71b7027c1}" b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR\ = "C:\\Program Files (x86)\\GoSave" b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0" b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\..9\ = "GoSave" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{608c8646-cbab-4337-bc3f-41c71b7027c1}\InprocServer32 b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{608c8646-cbab-4337-bc3f-41c71b7027c1}\InprocServer32\ThreadingModel = "Apartment" b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{608c8646-cbab-4337-bc3f-41c71b7027c1} b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF} b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{608c8646-cbab-4337-bc3f-41c71b7027c1}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{608c8646-cbab-4337-bc3f-41c71b7027c1}\ = "GoSave" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}" b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{608c8646-cbab-4337-bc3f-41c71b7027c1}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{608c8646-cbab-4337-bc3f-41c71b7027c1}\VersionIndependentProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{608C8646-CBAB-4337-BC3F-41C71B7027C1}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{608C8646-CBAB-4337-BC3F-41C71B7027C1}\Implemented Categories b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32\ = "C:\\Program Files (x86)\\GoSave\\7soOrHdeIUlYxP.tlb" b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}" b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0" b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{608c8646-cbab-4337-bc3f-41c71b7027c1}\VersionIndependentProgID\ regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{608c8646-cbab-4337-bc3f-41c71b7027c1}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\7soOrHdeIUlYxP.x64.dll" regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{608c8646-cbab-4337-bc3f-41c71b7027c1}\InprocServer32 regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{608c8646-cbab-4337-bc3f-41c71b7027c1}\Programmable regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{608c8646-cbab-4337-bc3f-41c71b7027c1}\ = "GoSave" b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32 b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32 b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}" b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry" b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe -
Suspicious use of WriteProcessMemory 5 IoCs
Processes:
b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exeregsvr32.exedescription pid process target process PID 4948 wrote to memory of 4792 4948 b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe regsvr32.exe PID 4948 wrote to memory of 4792 4948 b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe regsvr32.exe PID 4948 wrote to memory of 4792 4948 b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe regsvr32.exe PID 4792 wrote to memory of 4572 4792 regsvr32.exe regsvr32.exe PID 4792 wrote to memory of 4572 4792 regsvr32.exe regsvr32.exe -
System policy modification 1 TTPs 1 IoCs
Processes:
b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID\{608c8646-cbab-4337-bc3f-41c71b7027c1} = "1" b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe"C:\Users\Admin\AppData\Local\Temp\b40eba834553041b6688df35ebfe9a0521a0b19ce9f6e67a9d8c158ffabd99c6.exe"1⤵
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
- System policy modification
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C:\Windows\SysWOW64\regsvr32.exeregsvr32.exe /s "C:\Program Files (x86)\GoSave\7soOrHdeIUlYxP.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\7soOrHdeIUlYxP.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\7soOrHdeIUlYxP.datFilesize
4KB
MD55f6978b18d90ba1f7b6b712336c6abbd
SHA1626868005d8400c6757e95a0c513701bd5d8abef
SHA2568c21b5f3ede18333e7b0f3baac8e001f97a6eafb15dc7542583098ae68f088a5
SHA5123bbd208c33f1cfe87986997c0ee4de6c6f97f3f376bfb931c6142cef4be287e7d4dcd24984af13a904621ebbf16214a47bd587af21fbc9d01df3b9cdcd8f2e5b
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C:\Program Files (x86)\GoSave\7soOrHdeIUlYxP.dllFilesize
738KB
MD549961c7c9a7aef57f49adf50d1c810f6
SHA1fc2078aeff5d5abee27c9e8a500cb2d6ae755b05
SHA256c80abdc502d18db54137edc2680a498402c765999814b7fe1b2a7b69a64ce846
SHA5128ad2c3dbd3b4390e4c49561f25ff2acdd4ab4468074e213f3efc81a598f71620e8f21fc87114623a6c0509997e47e1c4f5ffe703c7421ae313f7ba536df2772f
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C:\Program Files (x86)\GoSave\7soOrHdeIUlYxP.tlbFilesize
3KB
MD5e3ab22d8beac0180520ab5289a64419b
SHA11456ba2c78b293e5a80185fefdf05f5dbe424937
SHA2560d3342857b67678dd76e6a24e137f0d75ba399bb48bf5095d7e4f7dfa0bbe416
SHA512c04163026ffa1c6fab34b4fdbf23702148c7c2a31dd356d26f9541027db078b6433aff3a5f749a209a3acbcf3a853a9b5f77984540e21be1f823ce92bcbfc4bf
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C:\Program Files (x86)\GoSave\7soOrHdeIUlYxP.x64.dllFilesize
872KB
MD5337b97dbbcc7ad4d75fb5a90652e6de3
SHA150e50243af1819e62a7512d85e6dd67b8e1ed103
SHA256b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c
SHA512dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e
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C:\Program Files (x86)\GoSave\7soOrHdeIUlYxP.x64.dllFilesize
872KB
MD5337b97dbbcc7ad4d75fb5a90652e6de3
SHA150e50243af1819e62a7512d85e6dd67b8e1ed103
SHA256b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c
SHA512dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e
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C:\Program Files (x86)\GoSave\7soOrHdeIUlYxP.x64.dllFilesize
872KB
MD5337b97dbbcc7ad4d75fb5a90652e6de3
SHA150e50243af1819e62a7512d85e6dd67b8e1ed103
SHA256b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c
SHA512dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e
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memory/4572-141-0x0000000000000000-mapping.dmp
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memory/4792-138-0x0000000000000000-mapping.dmp
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memory/4948-132-0x0000000000D40000-0x0000000000E09000-memory.dmpFilesize
804KB