Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
21-03-2024 18:18
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
dc4b9139c2bafc209c482e0cbfbd4c42.dll
Resource
win7-20240221-en
3 signatures
150 seconds
General
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Target
dc4b9139c2bafc209c482e0cbfbd4c42.dll
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Size
286KB
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MD5
dc4b9139c2bafc209c482e0cbfbd4c42
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SHA1
98fa4ae8cadbe2d71df8469e6d2ba67f18f6ad6d
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SHA256
65a4cbe08e33ae2af02b884dc34f63dc1637cdcbb0b1021641c62ea9dbba3773
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SHA512
ab6f68a78ed3520b3d38f10c9b5e9246a4bfbffb24ea4f7d9f7b737d7f4db537c1318e450260975b3c555598fb97b30c56b24f3e3583db9e2ca8e37770419b75
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SSDEEP
3072:h02RZ4ZEbHZv/PXr1kAceYTHmA7Xzy8RHZUI2OexXTBfRJLWt/Y4e7f3k25YdaLp:h0BZE5P6AUHmWJCI25XTBJJWt/Y4wUz
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 Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}\ = "AW Gaming Software" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}\NoExplorer = "1" regsvr32.exe -
Modifies registry class 64 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{21C1577D-B190-4F9D-8034-F26DE5F9F3C2}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AWGames.Addon.1\ = "AW Class" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}\ProgID\ = "AWGames.Addon.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2A04A1D0-1969-400E-A53C-6A5433A4B658}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{21C1577D-B190-4F9D-8034-F26DE5F9F3C2}\TypeLib\ = "{2A04A1D0-1969-400E-A53C-6A5433A4B658}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}\ = "AW Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{21C1577D-B190-4F9D-8034-F26DE5F9F3C2} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{659E2097-10E3-4208-91AA-E532EF4D9BEE} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AWGames.Addon\ = "AW Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}\Programmable regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{21C1577D-B190-4F9D-8034-F26DE5F9F3C2}\TypeLib\ = "{2A04A1D0-1969-400E-A53C-6A5433A4B658}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AWGames.Addon regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AWGames.Addon\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\dc4b9139c2bafc209c482e0cbfbd4c42.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2A04A1D0-1969-400E-A53C-6A5433A4B658}\1.0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{21C1577D-B190-4F9D-8034-F26DE5F9F3C2}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AWGames.Addon\CurVer regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B}\TypeLib\ = "{2A04A1D0-1969-400E-A53C-6A5433A4B658}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\ExplorerPlugin.DLL regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2A04A1D0-1969-400E-A53C-6A5433A4B658}\1.0\FLAGS regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2A04A1D0-1969-400E-A53C-6A5433A4B658}\1.0\0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{21C1577D-B190-4F9D-8034-F26DE5F9F3C2} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{21C1577D-B190-4F9D-8034-F26DE5F9F3C2}\ = "_IExtensionEvents" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{21C1577D-B190-4F9D-8034-F26DE5F9F3C2}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B}\ = "IExtension" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AWGames.Addon.1 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AWGames.Addon\CurVer\ = "AWGames.Addon.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}\TypeLib\ = "{2A04A1D0-1969-400e-A53C-6A5433A4B658}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2A04A1D0-1969-400E-A53C-6A5433A4B658} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2A04A1D0-1969-400E-A53C-6A5433A4B658}\1.0\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{21C1577D-B190-4F9D-8034-F26DE5F9F3C2}\ = "_IExtensionEvents" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}\VersionIndependentProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2A04A1D0-1969-400E-A53C-6A5433A4B658}\1.0\FLAGS\ = "0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\ExplorerPlugin.DLL\AppID = "{659E2097-10E3-4208-91AA-E532EF4D9BEE}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2A04A1D0-1969-400E-A53C-6A5433A4B658}\1.0\ = "ExpExt TLib" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{21C1577D-B190-4F9D-8034-F26DE5F9F3C2}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{659E2097-10E3-4208-91AA-E532EF4D9BEE}\ = "ExplorerPlugin" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2A04A1D0-1969-400E-A53C-6A5433A4B658}\1.0\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{21C1577D-B190-4F9D-8034-F26DE5F9F3C2}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{21C1577D-B190-4F9D-8034-F26DE5F9F3C2}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AWGames.Addon.1\CLSID\ = "{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AWGames.Addon\CLSID\ = "{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AWGames.Addon.1\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2A04A1D0-1969-400E-A53C-6A5433A4B658}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\dc4b9139c2bafc209c482e0cbfbd4c42.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B}\ = "IExtension" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{21C1577D-B190-4F9D-8034-F26DE5F9F3C2}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{21C1577D-B190-4F9D-8034-F26DE5F9F3C2}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}\VersionIndependentProgID\ = "AWGames.Addon" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B}\TypeLib\ = "{2A04A1D0-1969-400E-A53C-6A5433A4B658}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B}\ProxyStubClsid32 regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 376 wrote to memory of 1480 376 regsvr32.exe 87 PID 376 wrote to memory of 1480 376 regsvr32.exe 87 PID 376 wrote to memory of 1480 376 regsvr32.exe 87
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\dc4b9139c2bafc209c482e0cbfbd4c42.dll1⤵
- Suspicious use of WriteProcessMemory
PID:376 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\dc4b9139c2bafc209c482e0cbfbd4c42.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:1480
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