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Analysis
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max time kernel
165s -
max time network
182s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
19/09/2022, 12:50
Behavioral task
behavioral1
Sample
9440bcdcc3899a16db9191fa2226e9b61f4bd6f01078b1bf66fe4abdcc9d55ab.dll
Resource
win7-20220812-en
3 signatures
150 seconds
General
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Target
9440bcdcc3899a16db9191fa2226e9b61f4bd6f01078b1bf66fe4abdcc9d55ab.dll
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Size
280KB
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MD5
37c6fa448d003e28246ae9726d1825db
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SHA1
734d4907cf9250d8f20a380a062c7a095b750aca
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SHA256
9440bcdcc3899a16db9191fa2226e9b61f4bd6f01078b1bf66fe4abdcc9d55ab
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SHA512
9dd62dcc85bde296234e6ac2425b16cedcdab68b17316c9d69df4d44123bd1108e87102df676afdedfb7db2f740db20f98edbeb1955288b896713f7e547e768c
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SSDEEP
6144:wDMbpUgYUTFX2U+zmHm9Jgmeo9XaPAVamy4aiTKdeao6zuH3Z9a3C5FJk:wDM2/Ul2/Am9Omeo9XMAomQ5e/HaMP
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\{4DAE9566-953C-4DF1-8E9C-55B7890A3AE8} regsvr32.exe -
Modifies registry class 11 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\9440bcdcc3899a16db9191fa2226e9b61f4bd6f01078b1bf66fe4abdcc9d55ab.QExpTul\Clsid regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4DAE9566-953C-4DF1-8E9C-55B7890A3AE8}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4DAE9566-953C-4DF1-8E9C-55B7890A3AE8}\ = "Explore.Tp" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4DAE9566-953C-4DF1-8E9C-55B7890A3AE8}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\9440bcdcc3899a16db9191fa2226e9b61f4bd6f01078b1bf66fe4abdcc9d55ab.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4DAE9566-953C-4DF1-8E9C-55B7890A3AE8}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\9440bcdcc3899a16db9191fa2226e9b61f4bd6f01078b1bf66fe4abdcc9d55ab.QExpTul\ = "Explore.Tp" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\9440bcdcc3899a16db9191fa2226e9b61f4bd6f01078b1bf66fe4abdcc9d55ab.QExpTul\Clsid\ = "{4DAE9566-953C-4DF1-8E9C-55B7890A3AE8}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4DAE9566-953C-4DF1-8E9C-55B7890A3AE8}\ProgID\ = "9440bcdcc3899a16db9191fa2226e9b61f4bd6f01078b1bf66fe4abdcc9d55ab.QExpTul" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4DAE9566-953C-4DF1-8E9C-55B7890A3AE8} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4DAE9566-953C-4DF1-8E9C-55B7890A3AE8}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\9440bcdcc3899a16db9191fa2226e9b61f4bd6f01078b1bf66fe4abdcc9d55ab.QExpTul regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1880 wrote to memory of 4356 1880 regsvr32.exe 80 PID 1880 wrote to memory of 4356 1880 regsvr32.exe 80 PID 1880 wrote to memory of 4356 1880 regsvr32.exe 80
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\9440bcdcc3899a16db9191fa2226e9b61f4bd6f01078b1bf66fe4abdcc9d55ab.dll1⤵
- Suspicious use of WriteProcessMemory
PID:1880 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\9440bcdcc3899a16db9191fa2226e9b61f4bd6f01078b1bf66fe4abdcc9d55ab.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:4356
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