Analysis
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max time kernel
103s -
max time network
107s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
25-11-2022 19:48
Static task
static1
Behavioral task
behavioral1
Sample
02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe
Resource
win7-20221111-en
windows7-x64
13 signatures
150 seconds
Behavioral task
behavioral2
Sample
02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
13 signatures
150 seconds
General
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Target
02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe
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Size
4.4MB
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MD5
0e08621052fb6adcbb1a423150cc9077
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SHA1
5c5e551ef27220c9f2008dc04e2b34b72f3b7fc5
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SHA256
02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf
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SHA512
e1f67193d666c6411106dbb1c0c29d55a933f28ab8ae03839cf6e1f9f102930cb842be433e62dacc6d08e06de3434f9c10d5a38c462c38b4eac973f09db88f07
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SSDEEP
98304:KkWVs/OZ1eJtWPLZtSrJY811P9xMvMz/B0+IqdFAD8oBdJnorTiGh3+RPneF1wyS:KjUYuGpKL58F
Score
8/10
Malware Config
Signatures
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Registers COM server for autorun 1 TTPs 4 IoCs
description ioc Process Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{ECDB15FD-C816-6C2D-F2F0-DD9896AB2410}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{ECDB15FD-C816-6C2D-F2F0-DD9896AB2410}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{ECDB15FD-C816-6C2D-F2F0-DD9896AB2410}\InprocServer32\ = "C:\\Program Files (x86)\\GOSaVVe\\w2h8d.x64.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{ECDB15FD-C816-6C2D-F2F0-DD9896AB2410}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe -
Loads dropped DLL 3 IoCs
pid Process 1776 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe 1888 regsvr32.exe 1596 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 3 IoCs
description ioc Process File created C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\gpmaklkjeeooijnjchofmmidnhoampbl\2.0\manifest.json 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe File created C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\gpmaklkjeeooijnjchofmmidnhoampbl\2.0\manifest.json 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe File created C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\gpmaklkjeeooijnjchofmmidnhoampbl\2.0\manifest.json 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe -
Installs/modifies Browser Helper Object 2 TTPs 8 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{ECDB15FD-C816-6C2D-F2F0-DD9896AB2410}\ = "GOSaVVe" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{ECDB15FD-C816-6C2D-F2F0-DD9896AB2410}\NoExplorer = "1" regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{ECDB15FD-C816-6C2D-F2F0-DD9896AB2410} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{ECDB15FD-C816-6C2D-F2F0-DD9896AB2410} 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{ECDB15FD-C816-6C2D-F2F0-DD9896AB2410}\ = "GOSaVVe" 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{ECDB15FD-C816-6C2D-F2F0-DD9896AB2410}\NoExplorer = "1" 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{ECDB15FD-C816-6C2D-F2F0-DD9896AB2410} 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{ECDB15FD-C816-6C2D-F2F0-DD9896AB2410} regsvr32.exe -
Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\System32\GroupPolicy 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe -
Drops file in Program Files directory 8 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\GOSaVVe\w2h8d.dll 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe File created C:\Program Files (x86)\GOSaVVe\w2h8d.tlb 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe File opened for modification C:\Program Files (x86)\GOSaVVe\w2h8d.tlb 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe File created C:\Program Files (x86)\GOSaVVe\w2h8d.dat 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe File opened for modification C:\Program Files (x86)\GOSaVVe\w2h8d.dat 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe File created C:\Program Files (x86)\GOSaVVe\w2h8d.x64.dll 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe File opened for modification C:\Program Files (x86)\GOSaVVe\w2h8d.x64.dll 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe File created C:\Program Files (x86)\GOSaVVe\w2h8d.dll 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe -
description ioc Process Key deleted \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe Key deleted \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{ECDB15FD-C816-6C2D-F2F0-DD9896AB2410} regsvr32.exe Key deleted \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{ECDB15FD-C816-6C2D-F2F0-DD9896AB2410} regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{ECDB15FD-C816-6C2D-F2F0-DD9896AB2410} 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe Key deleted \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{ECDB15FD-C816-6C2D-F2F0-DD9896AB2410} 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe -
Modifies registry class 64 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{ECDB15FD-C816-6C2D-F2F0-DD9896AB2410}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\GuoSaavei.GuoSaavei\ = "GOSaVVe" 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ECDB15FD-C816-6C2D-F2F0-DD9896AB2410}\ = "GOSaVVe" 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32\ = "C:\\Program Files (x86)\\GOSaVVe\\w2h8d.tlb" 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{ECDB15FD-C816-6C2D-F2F0-DD9896AB2410}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{ECDB15FD-C816-6C2D-F2F0-DD9896AB2410}\VersionIndependentProgID\ = "GuoSaavei" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS\ = "0" 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}" 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0" 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ECDB15FD-C816-6C2D-F2F0-DD9896AB2410}\InprocServer32 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{ECDB15FD-C816-6C2D-F2F0-DD9896AB2410}\Implemented Categories regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{ECDB15FD-C816-6C2D-F2F0-DD9896AB2410}\ = "GOSaVVe" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\GuoSaavei.GuoSaavei.2.0\ = "GOSaVVe" 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ECDB15FD-C816-6C2D-F2F0-DD9896AB2410}\Programmable 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC} 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}" 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\GuoSaavei.GuoSaavei.2.0\CLSID\ = "{ECDB15FD-C816-6C2D-F2F0-DD9896AB2410}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\GuoSaavei.GuoSaavei\CurVer\ = "GuoSaavei.2.0" regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{ECDB15FD-C816-6C2D-F2F0-DD9896AB2410}\VersionIndependentProgID regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ECDB15FD-C816-6C2D-F2F0-DD9896AB2410} 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{ECDB15FD-C816-6C2D-F2F0-DD9896AB2410}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\GuoSaavei.GuoSaavei\CurVer 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ECDB15FD-C816-6C2D-F2F0-DD9896AB2410}\VersionIndependentProgID 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}" 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}" 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{ECDB15FD-C816-6C2D-F2F0-DD9896AB2410}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF} 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{ECDB15FD-C816-6C2D-F2F0-DD9896AB2410}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}" 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\GuoSaavei.GuoSaavei\CLSID\ = "{ECDB15FD-C816-6C2D-F2F0-DD9896AB2410}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\GuoSaavei.GuoSaavei 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ECDB15FD-C816-6C2D-F2F0-DD9896AB2410}\ProgID\ = "GuoSaavei.2.0" 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry" 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{ECDB15FD-C816-6C2D-F2F0-DD9896AB2410}\ProgID regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{ECDB15FD-C816-6C2D-F2F0-DD9896AB2410} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC} 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\GuoSaavei.GuoSaavei.2.0 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\GuoSaavei.GuoSaavei.2.0\CLSID 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\GuoSaavei.GuoSaavei\CLSID 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0" 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry" 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{ECDB15FD-C816-6C2D-F2F0-DD9896AB2410}\ProgID\ = "GuoSaavei.2.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{ECDB15FD-C816-6C2D-F2F0-DD9896AB2410} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\GuoSaavei.GuoSaavei.2.0\CLSID\ = "{ECDB15FD-C816-6C2D-F2F0-DD9896AB2410}" 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ECDB15FD-C816-6C2D-F2F0-DD9896AB2410}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640} 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0" 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage" 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1776 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe 1776 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 1776 wrote to memory of 1888 1776 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe 28 PID 1776 wrote to memory of 1888 1776 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe 28 PID 1776 wrote to memory of 1888 1776 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe 28 PID 1776 wrote to memory of 1888 1776 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe 28 PID 1776 wrote to memory of 1888 1776 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe 28 PID 1776 wrote to memory of 1888 1776 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe 28 PID 1776 wrote to memory of 1888 1776 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe 28 PID 1888 wrote to memory of 1596 1888 regsvr32.exe 29 PID 1888 wrote to memory of 1596 1888 regsvr32.exe 29 PID 1888 wrote to memory of 1596 1888 regsvr32.exe 29 PID 1888 wrote to memory of 1596 1888 regsvr32.exe 29 PID 1888 wrote to memory of 1596 1888 regsvr32.exe 29 PID 1888 wrote to memory of 1596 1888 regsvr32.exe 29 PID 1888 wrote to memory of 1596 1888 regsvr32.exe 29 -
System policy modification 1 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID\{ECDB15FD-C816-6C2D-F2F0-DD9896AB2410} = "1" 02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.exe"C:\Users\Admin\AppData\Local\Temp\02247b6acaab422a5e97c09ee795d039b50c0ce3881002802cd35e4b7426ffdf.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
PID:1776 -
C:\Windows\SysWOW64\regsvr32.exeregsvr32.exe /s "C:\Program Files (x86)\GOSaVVe\w2h8d.x64.dll"2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1888 -
C:\Windows\system32\regsvr32.exe/s "C:\Program Files (x86)\GOSaVVe\w2h8d.x64.dll"3⤵
- Registers COM server for autorun
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies Internet Explorer settings
- Modifies registry class
PID:1596
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
5KB
MD595e71b0a78a57866ca0f1dc9e7b81ad3
SHA14f7ec5270a3102afb6d8191d0766c32f93417749
SHA256997ce500b32c7ec25ea9df813ffedfc89db7c135686357bbb632251ca475abe5
SHA512c23d0474925972c3a1cf162a090b6efb502ac2ce80d1c8e41c98c6e3e571e4233345a561b7dd1c41e72c618aa89440b7bbd2a85e0612ac04fb4d3961e853908b
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Filesize
3KB
MD5fb73184b9c1bfaa44e6cbdb593fd2909
SHA14585af18986a5e24c544fcecd9e02e3006f440d1
SHA256c89fa0e13aa5c8930b6f28648653b815d4a93cd13e8d7d0f1bf8bf1a49920edb
SHA5122e130f61d2211b7d2799905937b78d5119c3b22580c467dcfe757d8ac5b1e86c33fb69e3c67a6267f4db0a2730dc7cc399b8020d077b30d77428f54ec03523ed
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Filesize
699KB
MD51fe3d25ff48d168cb86094de5401cab0
SHA1c6e746f4c629185d8ef71d275845e1d072483923
SHA2565cecdf46cd265705f19edaabc14272048a1da3563ed099303f8ed47ba3056a04
SHA512ba3df2cf1031830fc9847c3213ec9fcd1c36c646071b2e5ae12b4bbf502a199e704131b6c53954a6ff969ba611e13743e89f0b26614b831d8b39c61a484c9be4
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Filesize
619KB
MD5d87bbe9d29b88e94ba03b16567033ddf
SHA119102742808244a23ca403d983dfd9f7088fffe3
SHA256fdbce4dd2b45ac64620fc875bd12d8706a197bc3def75cdc33b9984f039da5b5
SHA51224ea28c1104ee07604124842a99e359a53644e7693515dcf1b9a4dc7c8258c9d1bdc8b78b7018582521b6d41aebb96a1a38b6994fe83a12e29418bb011c69d03
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Filesize
699KB
MD51fe3d25ff48d168cb86094de5401cab0
SHA1c6e746f4c629185d8ef71d275845e1d072483923
SHA2565cecdf46cd265705f19edaabc14272048a1da3563ed099303f8ed47ba3056a04
SHA512ba3df2cf1031830fc9847c3213ec9fcd1c36c646071b2e5ae12b4bbf502a199e704131b6c53954a6ff969ba611e13743e89f0b26614b831d8b39c61a484c9be4
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Filesize
699KB
MD51fe3d25ff48d168cb86094de5401cab0
SHA1c6e746f4c629185d8ef71d275845e1d072483923
SHA2565cecdf46cd265705f19edaabc14272048a1da3563ed099303f8ed47ba3056a04
SHA512ba3df2cf1031830fc9847c3213ec9fcd1c36c646071b2e5ae12b4bbf502a199e704131b6c53954a6ff969ba611e13743e89f0b26614b831d8b39c61a484c9be4