Analysis
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max time kernel
0s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
30-12-2023 00:43
Static task
static1
Behavioral task
behavioral1
Sample
08e6a2bb6a202710b693e2940808cef8.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
08e6a2bb6a202710b693e2940808cef8.exe
Resource
win10v2004-20231215-en
General
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Target
08e6a2bb6a202710b693e2940808cef8.exe
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Size
272KB
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MD5
08e6a2bb6a202710b693e2940808cef8
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SHA1
3d57163aa6b2cf8492db3cfb9b878d801fc23c7f
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SHA256
42378b1eca3cfe3e71d500781cfe3dd11f82d8b65b848ddd04439b4b9952f5c5
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SHA512
a408fb40a778f37ab94da87d6a337f2cb24253d3a437d72a335c8bdfb2a831e469d1296a2435d0a146db6ed7ddd3f468563000f43e9aa725db26c049b3d36839
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SSDEEP
6144:6e34wtg75+ZPPfnE2Qyn20UlwkQKrPNHqdtj75+ZPPfnE2Qyn20U:BtgF+ZPPfnEUnFKrPQjF+ZPPfnEUn
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 3068 SmartTool.exe -
Loads dropped DLL 6 IoCs
pid Process 2364 08e6a2bb6a202710b693e2940808cef8.exe 2364 08e6a2bb6a202710b693e2940808cef8.exe 2364 08e6a2bb6a202710b693e2940808cef8.exe 2364 08e6a2bb6a202710b693e2940808cef8.exe 2364 08e6a2bb6a202710b693e2940808cef8.exe 960 regsvr32.exe -
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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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\{2D891923-34B7-4186-9B47-752624535DC1} regsvr32.exe -
Drops file in Program Files directory 4 IoCs
description ioc Process File created C:\Program Files (x86)\SmartTool\SmartTool.dll 08e6a2bb6a202710b693e2940808cef8.exe File created C:\Program Files (x86)\SmartTool\SmartTool.exe 08e6a2bb6a202710b693e2940808cef8.exe File created C:\Program Files (x86)\SmartTool\adc.acc 08e6a2bb6a202710b693e2940808cef8.exe File created C:\Program Files (x86)\SmartTool\Uninstall.exe 08e6a2bb6a202710b693e2940808cef8.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry class 45 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\SmartTool.SmartToolCtl\ = "SmartToolCtl Class" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\SmartTool.SmartToolCtl\CLSID\ = "{2D891923-34B7-4186-9B47-752624535DC1}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0F67A437-3336-4B2E-B211-D5BD3C6F5461}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0F67A437-3336-4B2E-B211-D5BD3C6F5461}\TypeLib\ = "{E97662C9-6D8A-47A6-BBF6-17730FEE28F0}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\SmartTool.SmartToolCtl.1\CLSID\ = "{2D891923-34B7-4186-9B47-752624535DC1}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2D891923-34B7-4186-9B47-752624535DC1} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2D891923-34B7-4186-9B47-752624535DC1}\VersionIndependentProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2D891923-34B7-4186-9B47-752624535DC1}\VersionIndependentProgID\ = "SmartTool.SmartToolCtl" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E97662C9-6D8A-47A6-BBF6-17730FEE28F0}\1.0\0\win32\ = "C:\\Program Files (x86)\\SmartTool\\SmartTool.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0F67A437-3336-4B2E-B211-D5BD3C6F5461}\ = "ISmartToolCtl" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0F67A437-3336-4B2E-B211-D5BD3C6F5461}\TypeLib\ = "{E97662C9-6D8A-47A6-BBF6-17730FEE28F0}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\SmartTool.SmartToolCtl.1 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\SmartTool.SmartToolCtl regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\SmartTool.SmartToolCtl\CurVer\ = "SmartTool.SmartToolCtl.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E97662C9-6D8A-47A6-BBF6-17730FEE28F0}\1.0\FLAGS\ = "0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E97662C9-6D8A-47A6-BBF6-17730FEE28F0}\1.0\HELPDIR\ = "C:\\Program Files (x86)\\SmartTool\\" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0F67A437-3336-4B2E-B211-D5BD3C6F5461}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\SmartTool.SmartToolCtl\CurVer regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0F67A437-3336-4B2E-B211-D5BD3C6F5461}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2D891923-34B7-4186-9B47-752624535DC1}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2D891923-34B7-4186-9B47-752624535DC1}\ProgID\ = "SmartTool.SmartToolCtl.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2D891923-34B7-4186-9B47-752624535DC1}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2D891923-34B7-4186-9B47-752624535DC1}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2D891923-34B7-4186-9B47-752624535DC1}\TypeLib\ = "{E97662C9-6D8A-47A6-BBF6-17730FEE28F0}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E97662C9-6D8A-47A6-BBF6-17730FEE28F0}\1.0\ = "SmartTool 1.0 Type Library" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0F67A437-3336-4B2E-B211-D5BD3C6F5461}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2D891923-34B7-4186-9B47-752624535DC1}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2D891923-34B7-4186-9B47-752624535DC1}\InprocServer32\ = "C:\\Program Files (x86)\\SmartTool\\SmartTool.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2D891923-34B7-4186-9B47-752624535DC1}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0F67A437-3336-4B2E-B211-D5BD3C6F5461} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0F67A437-3336-4B2E-B211-D5BD3C6F5461}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0F67A437-3336-4B2E-B211-D5BD3C6F5461} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0F67A437-3336-4B2E-B211-D5BD3C6F5461}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0F67A437-3336-4B2E-B211-D5BD3C6F5461}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\SmartTool.SmartToolCtl.1\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2D891923-34B7-4186-9B47-752624535DC1}\ = "SmartToolCtl Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E97662C9-6D8A-47A6-BBF6-17730FEE28F0}\1.0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E97662C9-6D8A-47A6-BBF6-17730FEE28F0}\1.0\0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E97662C9-6D8A-47A6-BBF6-17730FEE28F0}\1.0\0\win32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E97662C9-6D8A-47A6-BBF6-17730FEE28F0}\1.0\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\SmartTool.SmartToolCtl.1\ = "SmartToolCtl Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\SmartTool.SmartToolCtl\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E97662C9-6D8A-47A6-BBF6-17730FEE28F0} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E97662C9-6D8A-47A6-BBF6-17730FEE28F0}\1.0\FLAGS regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0F67A437-3336-4B2E-B211-D5BD3C6F5461}\ = "ISmartToolCtl" regsvr32.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2364 08e6a2bb6a202710b693e2940808cef8.exe 2364 08e6a2bb6a202710b693e2940808cef8.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3068 SmartTool.exe 3068 SmartTool.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2364 wrote to memory of 960 2364 08e6a2bb6a202710b693e2940808cef8.exe 21 PID 2364 wrote to memory of 960 2364 08e6a2bb6a202710b693e2940808cef8.exe 21 PID 2364 wrote to memory of 960 2364 08e6a2bb6a202710b693e2940808cef8.exe 21 PID 2364 wrote to memory of 960 2364 08e6a2bb6a202710b693e2940808cef8.exe 21 PID 2364 wrote to memory of 960 2364 08e6a2bb6a202710b693e2940808cef8.exe 21 PID 2364 wrote to memory of 960 2364 08e6a2bb6a202710b693e2940808cef8.exe 21 PID 2364 wrote to memory of 960 2364 08e6a2bb6a202710b693e2940808cef8.exe 21 PID 2364 wrote to memory of 3068 2364 08e6a2bb6a202710b693e2940808cef8.exe 20 PID 2364 wrote to memory of 3068 2364 08e6a2bb6a202710b693e2940808cef8.exe 20 PID 2364 wrote to memory of 3068 2364 08e6a2bb6a202710b693e2940808cef8.exe 20 PID 2364 wrote to memory of 3068 2364 08e6a2bb6a202710b693e2940808cef8.exe 20
Processes
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C:\Users\Admin\AppData\Local\Temp\08e6a2bb6a202710b693e2940808cef8.exe"C:\Users\Admin\AppData\Local\Temp\08e6a2bb6a202710b693e2940808cef8.exe"1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2364 -
C:\Windows\SysWOW64\explorer.exeC:\Windows\system32\explorer.exe2⤵PID:2796
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C:\Program Files (x86)\SmartTool\SmartTool.exe"C:\Program Files (x86)\SmartTool\SmartTool.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:3068
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C:\Windows\SysWOW64\regsvr32.exeC:\Windows\system32\regsvr32.exe /s "C:\Program Files (x86)\SmartTool\SmartTool.dll"2⤵
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:960
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C:\Windows\SysWOW64\regsvr32.exeregsvr32 /s "C:\Program Files (x86)\SmartTool\SmartTool.dll"1⤵PID:2484