Analysis
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max time kernel
249s -
max time network
295s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
01/12/2022, 10:45
Static task
static1
Behavioral task
behavioral1
Sample
3a53a083e35d13d268894f17aaa3bdd122feb67eddebfb07cef74296d3f5c0a9.dll
Resource
win7-20221111-en
3 signatures
150 seconds
General
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Target
3a53a083e35d13d268894f17aaa3bdd122feb67eddebfb07cef74296d3f5c0a9.dll
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Size
539KB
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MD5
94860798426080d3c9c7491be0656d12
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SHA1
5c209c0a9096eac478665203f03a019155fb87e0
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SHA256
3a53a083e35d13d268894f17aaa3bdd122feb67eddebfb07cef74296d3f5c0a9
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SHA512
464b4748b1529f361f9571cdec889ff7c210b1fa132ff9fb27ae71d3ff415187149feb78ae2d317541996744a46744519666b94b06a510701133e643272904d1
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SSDEEP
12288:10/4oK2quNthlB8dDdQlIikDdrt71sJYQEoU:U4oVNthAdBOk5rt7r1oU
Malware Config
Signatures
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Installs/modifies Browser Helper Object 2 TTPs 3 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\NoExplorer = "1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{8FAC7059-EFE0-4b74-858E-3E25A73448D1} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{8FAC7059-EFE0-4b74-858E-3E25A73448D1}\ = "DualCore Live" regsvr32.exe -
Modifies registry class 57 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8FAC7059-EFE0-4b74-858E-3E25A73448D1}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{68AB9409-63A3-4912-B7E8-3A5D879742D6}\1.0\ = "DualCore 1.0 Çü½Ä ¶óÀ̺귯¸®" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8DBD4D24-BE56-4C45-9399-B5C40E3CADB9} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8DBD4D24-BE56-4C45-9399-B5C40E3CADB9}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8DBD4D24-BE56-4C45-9399-B5C40E3CADB9}\TypeLib\ = "{68AB9409-63A3-4912-B7E8-3A5D879742D6}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8DBD4D24-BE56-4C45-9399-B5C40E3CADB9}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8FAC7059-EFE0-4b74-858E-3E25A73448D1}\VersionIndependentProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{68AB9409-63A3-4912-B7E8-3A5D879742D6}\1.0\0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{68AB9409-63A3-4912-B7E8-3A5D879742D6}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3a53a083e35d13d268894f17aaa3bdd122feb67eddebfb07cef74296d3f5c0a9.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8FAC7059-EFE0-4b74-858E-3E25A73448D1}\Elevation regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8DBD4D24-BE56-4C45-9399-B5C40E3CADB9}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\DualCore.Live\CLSID\ = "{8FAC7059-EFE0-4b74-858E-3E25A73448D1}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\DM.DLL regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\DualCore.Live\ = "DualCore Live" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\DualCore.Live\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8FAC7059-EFE0-4b74-858E-3E25A73448D1}\AppID = "{1EA97724-A5EA-49c5-8192-671C64350100}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{68AB9409-63A3-4912-B7E8-3A5D879742D6}\1.0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{68AB9409-63A3-4912-B7E8-3A5D879742D6}\1.0\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8DBD4D24-BE56-4C45-9399-B5C40E3CADB9}\TypeLib\Version = "1.0" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{1EA97724-A5EA-49c5-8192-671C64350100}\ROTFlags = "0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\DualCore.Live.1\ = "DualCore Live" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8FAC7059-EFE0-4b74-858E-3E25A73448D1}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3a53a083e35d13d268894f17aaa3bdd122feb67eddebfb07cef74296d3f5c0a9.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{68AB9409-63A3-4912-B7E8-3A5D879742D6}\1.0\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8DBD4D24-BE56-4C45-9399-B5C40E3CADB9}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8DBD4D24-BE56-4C45-9399-B5C40E3CADB9}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{1EA97724-A5EA-49c5-8192-671C64350100} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{1EA97724-A5EA-49c5-8192-671C64350100}\DLLSurrogate regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8FAC7059-EFE0-4b74-858E-3E25A73448D1}\Elevation\Enabled = "1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8FAC7059-EFE0-4b74-858E-3E25A73448D1}\VersionIndependentProgID\ = "DualCore.Live" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8FAC7059-EFE0-4b74-858E-3E25A73448D1}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{68AB9409-63A3-4912-B7E8-3A5D879742D6}\1.0\FLAGS regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8DBD4D24-BE56-4C45-9399-B5C40E3CADB9}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{1EA97724-A5EA-49c5-8192-671C64350100}\RunAs = "Interactive User" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\DM.DLL\AppID = "{1EA97724-A5EA-49c5-8192-671C64350100}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\DualCore.Live\CurVer regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8DBD4D24-BE56-4C45-9399-B5C40E3CADB9} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{1EA97724-A5EA-49c5-8192-671C64350100}\ = "DualCore" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\DualCore.Live.1\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8FAC7059-EFE0-4b74-858E-3E25A73448D1}\TypeLib\ = "{68AB9409-63A3-4912-B7E8-3A5D879742D6}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8FAC7059-EFE0-4b74-858E-3E25A73448D1}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{68AB9409-63A3-4912-B7E8-3A5D879742D6}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\DualCore.Live regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\DualCore.Live\CurVer\ = "DualCore.Live.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{68AB9409-63A3-4912-B7E8-3A5D879742D6} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8FAC7059-EFE0-4b74-858E-3E25A73448D1}\ProgID\ = "DualCore.Live.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{68AB9409-63A3-4912-B7E8-3A5D879742D6}\1.0\FLAGS\ = "0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8DBD4D24-BE56-4C45-9399-B5C40E3CADB9}\ = "IBHOHelper" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8DBD4D24-BE56-4C45-9399-B5C40E3CADB9}\TypeLib\ = "{68AB9409-63A3-4912-B7E8-3A5D879742D6}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8DBD4D24-BE56-4C45-9399-B5C40E3CADB9}\ = "IBHOHelper" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\DualCore.Live.1 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8FAC7059-EFE0-4b74-858E-3E25A73448D1} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8FAC7059-EFE0-4b74-858E-3E25A73448D1}\ = "DualCore Live" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8DBD4D24-BE56-4C45-9399-B5C40E3CADB9}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\DualCore.Live.1\CLSID\ = "{8FAC7059-EFE0-4b74-858E-3E25A73448D1}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8FAC7059-EFE0-4b74-858E-3E25A73448D1}\Programmable regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8FAC7059-EFE0-4b74-858E-3E25A73448D1}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8FAC7059-EFE0-4b74-858E-3E25A73448D1}\LocalizedString = "@C:\\Users\\Admin\\AppData\\Local\\Temp\\3a53a083e35d13d268894f17aaa3bdd122feb67eddebfb07cef74296d3f5c0a9.dll,-101" regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4540 wrote to memory of 732 4540 regsvr32.exe 81 PID 4540 wrote to memory of 732 4540 regsvr32.exe 81 PID 4540 wrote to memory of 732 4540 regsvr32.exe 81
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\3a53a083e35d13d268894f17aaa3bdd122feb67eddebfb07cef74296d3f5c0a9.dll1⤵
- Suspicious use of WriteProcessMemory
PID:4540 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\3a53a083e35d13d268894f17aaa3bdd122feb67eddebfb07cef74296d3f5c0a9.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:732
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