Analysis
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max time kernel
152s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
25-11-2022 03:45
Static task
static1
Behavioral task
behavioral1
Sample
257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
Resource
win10v2004-20220812-en
General
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Target
257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
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Size
4.4MB
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MD5
9cde72674c18a4d0acd4a563c92411d5
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SHA1
16f1dc377f0ac8356ca9d7ac5e580b9d6fe8b182
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SHA256
257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7
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SHA512
7caf0f709d9072c40dbeab1b02f50928e0b27b05f652806cfbc2a6ecc6e8f65aa56aba25e9fcccfeccd7dfe51792b9b2958f8ab66800aeb69a05e9f44e5f1cec
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SSDEEP
49152:/d2KK6T18BkdHxpUxup4LxDydGKvghxfki1w9buOBqFujSlM/Zf0weeDNxwR:XBT13BxanKcGbuOBqFuj8MNtLNxw
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\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\WFJuBcMrb8buJZ.x64.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}\InprocServer32 regsvr32.exe -
Loads dropped DLL 3 IoCs
Processes:
257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exeregsvr32.exeregsvr32.exepid process 1336 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe 4912 regsvr32.exe 4212 regsvr32.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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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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Drops Chrome extension 5 IoCs
Processes:
257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exedescription ioc process File created C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\ephpgdpomjepbahegldmjlbhoibnpied\2.0\manifest.json 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe File created C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\ephpgdpomjepbahegldmjlbhoibnpied\2.0\manifest.json 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe File created C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\ephpgdpomjepbahegldmjlbhoibnpied\2.0\manifest.json 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe File created C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\ephpgdpomjepbahegldmjlbhoibnpied\2.0\manifest.json 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe File created C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\ephpgdpomjepbahegldmjlbhoibnpied\2.0\manifest.json 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe -
Installs/modifies Browser Helper Object 2 TTPs 8 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
Processes:
regsvr32.exe257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exedescription ioc process Key deleted \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48} 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}\ = "GoSave" 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}\NoExplorer = "1" 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48} 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}\ = "GoSave" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}\NoExplorer = "1" regsvr32.exe -
Drops file in System32 directory 4 IoCs
Processes:
257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exedescription ioc process File opened for modification C:\Windows\System32\GroupPolicy 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe -
Drops file in Program Files directory 8 IoCs
Processes:
257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exedescription ioc process File created C:\Program Files (x86)\GoSave\WFJuBcMrb8buJZ.x64.dll 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe File opened for modification C:\Program Files (x86)\GoSave\WFJuBcMrb8buJZ.x64.dll 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe File created C:\Program Files (x86)\GoSave\WFJuBcMrb8buJZ.dll 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe File opened for modification C:\Program Files (x86)\GoSave\WFJuBcMrb8buJZ.dll 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe File created C:\Program Files (x86)\GoSave\WFJuBcMrb8buJZ.tlb 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe File opened for modification C:\Program Files (x86)\GoSave\WFJuBcMrb8buJZ.tlb 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe File created C:\Program Files (x86)\GoSave\WFJuBcMrb8buJZ.dat 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe File opened for modification C:\Program Files (x86)\GoSave\WFJuBcMrb8buJZ.dat 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe -
Processes:
regsvr32.exe257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48} regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48} 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe Key deleted \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{25D2F44C-D2B8-4BBD-96F2-C05B27698E48} 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe Key deleted \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe Key deleted \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{25D2F44C-D2B8-4BBD-96F2-C05B27698E48} regsvr32.exe Key deleted \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration regsvr32.exe -
Modifies registry class 64 IoCs
Processes:
257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exeregsvr32.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\..9\ = "GoSave" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\..9 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF} 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}\Programmable 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}\VersionIndependentProgID 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0} 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48} regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{25D2F44C-D2B8-4BBD-96F2-C05B27698E48} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}\ProgID 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}\ProgID\ = ".9" 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{25D2F44C-D2B8-4BBD-96F2-C05B27698E48}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640} 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0" 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein" 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage" 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{25D2F44C-D2B8-4BBD-96F2-C05B27698E48}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "GoSave" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}\VersionIndependentProgID\ regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR\ = "C:\\Program Files (x86)\\GoSave" 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein" 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0" 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC} 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{25D2F44C-D2B8-4BBD-96F2-C05B27698E48} 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{25D2F44C-D2B8-4BBD-96F2-C05B27698E48}\Implemented Categories 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS\ = "0" 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage" 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry" 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC} 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID\ = "{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}" 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\. 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}\VersionIndependentProgID\ 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}\InprocServer32\ThreadingModel = "Apartment" 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}\VersionIndependentProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{25D2F44C-D2B8-4BBD-96F2-C05B27698E48}\Implemented Categories regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID\ = "{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}" 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48} 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32\ = "C:\\Program Files (x86)\\GoSave\\WFJuBcMrb8buJZ.tlb" 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}\ProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}\ = "GoSave" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755} 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}" 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry" 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}\ProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48} 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}\VersionIndependentProgID 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exepid process 1336 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe 1336 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe 1336 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe 1336 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe 1336 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe 1336 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe 1336 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe 1336 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe -
Suspicious use of WriteProcessMemory 5 IoCs
Processes:
257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exeregsvr32.exedescription pid process target process PID 1336 wrote to memory of 4912 1336 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe regsvr32.exe PID 1336 wrote to memory of 4912 1336 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe regsvr32.exe PID 1336 wrote to memory of 4912 1336 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe regsvr32.exe PID 4912 wrote to memory of 4212 4912 regsvr32.exe regsvr32.exe PID 4912 wrote to memory of 4212 4912 regsvr32.exe regsvr32.exe -
System policy modification 1 TTPs 1 IoCs
Processes:
257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48} = "1" 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe"C:\Users\Admin\AppData\Local\Temp\257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe"1⤵
- Loads dropped DLL
- Drops Chrome extension
- Installs/modifies Browser Helper Object
- Drops file in System32 directory
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- System policy modification
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C:\Windows\SysWOW64\regsvr32.exeregsvr32.exe /s "C:\Program Files (x86)\GoSave\WFJuBcMrb8buJZ.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\WFJuBcMrb8buJZ.x64.dll"3⤵
- Registers COM server for autorun
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies Internet Explorer settings
- Modifies registry class
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc1⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum1⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Program Files (x86)\GoSave\WFJuBcMrb8buJZ.datFilesize
4KB
MD5c920098bf7fcd44be10d8ba31fe07066
SHA198a831a32d44dd534bb7a7c272c4d182739a16a8
SHA256b35d02220f3f6b4bf438977dbb2a72634f497d6715a81441027f4b0de1047aa8
SHA51239dac89b5229a06d6e30f7e56d9981c65a8217bf67798b4e54e41a3c239a2595d4369d08001e8fabfc24d4e5865014240ef363562bef160a2e1e0922db1ebe45
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C:\Program Files (x86)\GoSave\WFJuBcMrb8buJZ.dllFilesize
738KB
MD549961c7c9a7aef57f49adf50d1c810f6
SHA1fc2078aeff5d5abee27c9e8a500cb2d6ae755b05
SHA256c80abdc502d18db54137edc2680a498402c765999814b7fe1b2a7b69a64ce846
SHA5128ad2c3dbd3b4390e4c49561f25ff2acdd4ab4468074e213f3efc81a598f71620e8f21fc87114623a6c0509997e47e1c4f5ffe703c7421ae313f7ba536df2772f
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C:\Program Files (x86)\GoSave\WFJuBcMrb8buJZ.tlbFilesize
3KB
MD5e3ab22d8beac0180520ab5289a64419b
SHA11456ba2c78b293e5a80185fefdf05f5dbe424937
SHA2560d3342857b67678dd76e6a24e137f0d75ba399bb48bf5095d7e4f7dfa0bbe416
SHA512c04163026ffa1c6fab34b4fdbf23702148c7c2a31dd356d26f9541027db078b6433aff3a5f749a209a3acbcf3a853a9b5f77984540e21be1f823ce92bcbfc4bf
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C:\Program Files (x86)\GoSave\WFJuBcMrb8buJZ.x64.dllFilesize
872KB
MD5337b97dbbcc7ad4d75fb5a90652e6de3
SHA150e50243af1819e62a7512d85e6dd67b8e1ed103
SHA256b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c
SHA512dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e
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C:\Program Files (x86)\GoSave\WFJuBcMrb8buJZ.x64.dllFilesize
872KB
MD5337b97dbbcc7ad4d75fb5a90652e6de3
SHA150e50243af1819e62a7512d85e6dd67b8e1ed103
SHA256b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c
SHA512dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e
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C:\Program Files (x86)\GoSave\WFJuBcMrb8buJZ.x64.dllFilesize
872KB
MD5337b97dbbcc7ad4d75fb5a90652e6de3
SHA150e50243af1819e62a7512d85e6dd67b8e1ed103
SHA256b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c
SHA512dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e
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memory/1336-132-0x0000000002E80000-0x0000000002F49000-memory.dmpFilesize
804KB
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memory/4212-141-0x0000000000000000-mapping.dmp
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memory/4912-138-0x0000000000000000-mapping.dmp