Analysis
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max time kernel
120s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
02/02/2024, 22:26
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
VirusShare-00673b2250309a6191a2ac58cc665667.dll
Resource
win7-20231215-en
4 signatures
150 seconds
General
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Target
VirusShare-00673b2250309a6191a2ac58cc665667.dll
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Size
104KB
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MD5
00673b2250309a6191a2ac58cc665667
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SHA1
7e410a01ad4dca802ab9779a1a4e542f3eb46511
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SHA256
26503c5e85af90a908a02dd9ceecdebcb64efb0d676913bbee7cfbc39af6c122
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SHA512
2cde8a6b5ccc4aeec470a509d58b610b73fea764f932025ac70a58f225b5ed7740aaef130ac988e18b7738db30ecad8dcbb6912ad5bd46498a8e438139ff1554
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SSDEEP
1536:DgbL38nK0dhkdBRszzszdTrkyFY9TiDpu21C5t91gJ+lZvXoD7S:DoL0Jd2dB+zwBpdUm+lZvXs
Malware Config
Signatures
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Installs/modifies Browser Helper Object 2 TTPs 1 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{1A199C20-DE2B-4838-AE3F-B5257ECE2B7E} regsvr32.exe -
description ioc Process Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Internet Explorer\Extensions\{1D901067-2529-4A9B-9B6B-7A1DB3A44CB5} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Extensions\{1D901067-2529-4A9B-9B6B-7A1DB3A44CB5}\CLSID = "{1FBA04EE-3024-11D2-8F1F-0000F87ABD16}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Extensions\{1D901067-2529-4A9B-9B6B-7A1DB3A44CB5}\ClsidExtension = "{1A199C20-DE2B-4838-AE3F-B5257ECE2B7E}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Extensions\{1D901067-2529-4A9B-9B6B-7A1DB3A44CB5}\Default Visible = "Yes" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Extensions\{1D901067-2529-4A9B-9B6B-7A1DB3A44CB5}\ButtonText = "ʵÓÃÍøÖ·µ¼º½" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Extensions\{1D901067-2529-4A9B-9B6B-7A1DB3A44CB5}\Icon = "C:\\Users\\Admin\\AppData\\Local\\Temp\\VirusShare-00673b2250309a6191a2ac58cc665667.dll,209" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Extensions\{1D901067-2529-4A9B-9B6B-7A1DB3A44CB5}\HotIcon = "C:\\Users\\Admin\\AppData\\Local\\Temp\\VirusShare-00673b2250309a6191a2ac58cc665667.dll,207" regsvr32.exe -
Modifies registry class 46 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1A199C20-DE2B-4838-AE3F-B5257ECE2B7E}\TypeLib\ = "{933DB9D6-9447-4EFE-ABA2-EAF3B309B44C}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{933DB9D6-9447-4EFE-ABA2-EAF3B309B44C}\1.0\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0083DE51-EB2E-4521-A95C-735D8E563373}\TypeLib\ = "{933DB9D6-9447-4EFE-ABA2-EAF3B309B44C}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0083DE51-EB2E-4521-A95C-735D8E563373}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\QuickButton.QuickBtn\CurVer\ = "QuickButton.QuickBtn.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1A199C20-DE2B-4838-AE3F-B5257ECE2B7E}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1A199C20-DE2B-4838-AE3F-B5257ECE2B7E}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\VirusShare-00673b2250309a6191a2ac58cc665667.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1A199C20-DE2B-4838-AE3F-B5257ECE2B7E}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\QuickButton.QuickBtn.1\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{933DB9D6-9447-4EFE-ABA2-EAF3B309B44C}\1.0\0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0083DE51-EB2E-4521-A95C-735D8E563373}\ = "IQuickBtn" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{933DB9D6-9447-4EFE-ABA2-EAF3B309B44C}\1.0\HELPDIR regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\QuickButton.QuickBtn.1 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1A199C20-DE2B-4838-AE3F-B5257ECE2B7E}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{933DB9D6-9447-4EFE-ABA2-EAF3B309B44C}\1.0\ = "QuickBtn 1.0 Type Library" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{933DB9D6-9447-4EFE-ABA2-EAF3B309B44C}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\VirusShare-00673b2250309a6191a2ac58cc665667.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{933DB9D6-9447-4EFE-ABA2-EAF3B309B44C} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1A199C20-DE2B-4838-AE3F-B5257ECE2B7E}\VersionIndependentProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1A199C20-DE2B-4838-AE3F-B5257ECE2B7E}\Programmable regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0083DE51-EB2E-4521-A95C-735D8E563373}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\QuickButton.QuickBtn.1\ = "QuickBtn" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\QuickButton.QuickBtn regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\QuickButton.QuickBtn\ = "QuickBtn" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\QuickButton.QuickBtn\CurVer regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0083DE51-EB2E-4521-A95C-735D8E563373}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0083DE51-EB2E-4521-A95C-735D8E563373}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\QuickButton.QuickBtn\CLSID\ = "{1A199C20-DE2B-4838-AE3F-B5257ECE2B7E}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1A199C20-DE2B-4838-AE3F-B5257ECE2B7E}\ProgID\ = "QuickButton.QuickBtn.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{933DB9D6-9447-4EFE-ABA2-EAF3B309B44C}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0083DE51-EB2E-4521-A95C-735D8E563373} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{933DB9D6-9447-4EFE-ABA2-EAF3B309B44C}\1.0\FLAGS regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0083DE51-EB2E-4521-A95C-735D8E563373}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0083DE51-EB2E-4521-A95C-735D8E563373}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0083DE51-EB2E-4521-A95C-735D8E563373} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\QuickButton.QuickBtn\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1A199C20-DE2B-4838-AE3F-B5257ECE2B7E} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1A199C20-DE2B-4838-AE3F-B5257ECE2B7E}\VersionIndependentProgID\ = "QuickButton.QuickBtn" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{933DB9D6-9447-4EFE-ABA2-EAF3B309B44C}\1.0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0083DE51-EB2E-4521-A95C-735D8E563373}\ = "IQuickBtn" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0083DE51-EB2E-4521-A95C-735D8E563373}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0083DE51-EB2E-4521-A95C-735D8E563373}\TypeLib\ = "{933DB9D6-9447-4EFE-ABA2-EAF3B309B44C}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0083DE51-EB2E-4521-A95C-735D8E563373}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\QuickButton.QuickBtn.1\CLSID\ = "{1A199C20-DE2B-4838-AE3F-B5257ECE2B7E}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1A199C20-DE2B-4838-AE3F-B5257ECE2B7E}\ = "QuickBtn" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1A199C20-DE2B-4838-AE3F-B5257ECE2B7E}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{933DB9D6-9447-4EFE-ABA2-EAF3B309B44C}\1.0\FLAGS\ = "0" regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2648 wrote to memory of 2752 2648 regsvr32.exe 28 PID 2648 wrote to memory of 2752 2648 regsvr32.exe 28 PID 2648 wrote to memory of 2752 2648 regsvr32.exe 28 PID 2648 wrote to memory of 2752 2648 regsvr32.exe 28 PID 2648 wrote to memory of 2752 2648 regsvr32.exe 28 PID 2648 wrote to memory of 2752 2648 regsvr32.exe 28 PID 2648 wrote to memory of 2752 2648 regsvr32.exe 28
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\VirusShare-00673b2250309a6191a2ac58cc665667.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2648 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\VirusShare-00673b2250309a6191a2ac58cc665667.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies Internet Explorer settings
- Modifies registry class
PID:2752
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