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Analysis
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max time kernel
146s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
31/12/2023, 19:39
Behavioral task
behavioral1
Sample
3ae233ba25dddadb30bdce4f52821c5d.dll
Resource
win7-20231215-en
4 signatures
150 seconds
General
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Target
3ae233ba25dddadb30bdce4f52821c5d.dll
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Size
18KB
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MD5
3ae233ba25dddadb30bdce4f52821c5d
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SHA1
0740aa3e35b6c2e34b4bba02a358a56dac7a0ba9
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SHA256
bc94b1b10261c26e2487130997ee1bca8a36b6f1663a4062a59cf62034101542
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SHA512
c9c05a6df93435c1b79d0c47343a4d80e296219bcba88a25a01746db4adb1f74a5a2d22ab73a571666c24a419ecf02d3a69904ef502a87764afee6b4b86e3a29
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SSDEEP
384:n8sBda5TwhEnq3+h/O7TSwA1BWbv2KH+x:ni5TwSq3Q/OPbz
Malware Config
Signatures
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resource yara_rule behavioral2/memory/2096-0-0x0000000010000000-0x0000000010010000-memory.dmp upx -
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\{D26AAB3B-B0DD-456C-A7E5-4DA9565FD6EE} regsvr32.exe -
Modifies registry class 60 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\BhoNew.Bho.1 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D26AAB3B-B0DD-456C-A7E5-4DA9565FD6EE}\TypeLib\ = "{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CAF9D798-C659-4B9B-8E19-EE27C3D04EE7}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D26AAB3B-B0DD-456C-A7E5-4DA9565FD6EE}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3AE233~1.DLL" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4937D5D1-2039-409A-BD83-FEC9B39B2356}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CAF9D798-C659-4B9B-8E19-EE27C3D04EE7}\ = "IBho" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\BhoNew.Bho regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CAF9D798-C659-4B9B-8E19-EE27C3D04EE7} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CAF9D798-C659-4B9B-8E19-EE27C3D04EE7}\TypeLib\ = "{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\BhoNew.Bho\ = "Gold Manager" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D26AAB3B-B0DD-456C-A7E5-4DA9565FD6EE}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4937D5D1-2039-409A-BD83-FEC9B39B2356}\ = "_IBhoEvents" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4937D5D1-2039-409A-BD83-FEC9B39B2356}\TypeLib\ = "{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D26AAB3B-B0DD-456C-A7E5-4DA9565FD6EE} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF}\1.0\FLAGS\ = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4937D5D1-2039-409A-BD83-FEC9B39B2356} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4937D5D1-2039-409A-BD83-FEC9B39B2356}\ = "_IBhoEvents" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF}\1.0\0\win32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4937D5D1-2039-409A-BD83-FEC9B39B2356}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4937D5D1-2039-409A-BD83-FEC9B39B2356}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CAF9D798-C659-4B9B-8E19-EE27C3D04EE7} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CAF9D798-C659-4B9B-8E19-EE27C3D04EE7}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CAF9D798-C659-4B9B-8E19-EE27C3D04EE7}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF}\1.0\ = "Type Library" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CAF9D798-C659-4B9B-8E19-EE27C3D04EE7}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D26AAB3B-B0DD-456C-A7E5-4DA9565FD6EE}\ = "Gold Manager" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D26AAB3B-B0DD-456C-A7E5-4DA9565FD6EE}\VersionIndependentProgID\ = "BhoNew.Bho" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D26AAB3B-B0DD-456C-A7E5-4DA9565FD6EE}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\BhoNew.Bho\CurVer\ = "BhoNew.Bho.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4937D5D1-2039-409A-BD83-FEC9B39B2356}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CAF9D798-C659-4B9B-8E19-EE27C3D04EE7}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CAF9D798-C659-4B9B-8E19-EE27C3D04EE7}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CAF9D798-C659-4B9B-8E19-EE27C3D04EE7}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\BhoNew.Bho.1\CLSID\ = "{D26AAB3B-B0DD-456C-A7E5-4DA9565FD6EE}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4937D5D1-2039-409A-BD83-FEC9B39B2356}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4937D5D1-2039-409A-BD83-FEC9B39B2356}\TypeLib\ = "{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF}\1.0\FLAGS regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\BhoNew.Bho\CLSID\ = "{D26AAB3B-B0DD-456C-A7E5-4DA9565FD6EE}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\BhoNew.Bho\CurVer regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D26AAB3B-B0DD-456C-A7E5-4DA9565FD6EE}\ProgID\ = "BhoNew.Bho.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF}\1.0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D26AAB3B-B0DD-456C-A7E5-4DA9565FD6EE}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4937D5D1-2039-409A-BD83-FEC9B39B2356} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CAF9D798-C659-4B9B-8E19-EE27C3D04EE7}\TypeLib\ = "{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF}\1.0\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\BhoNew.Bho.1\ = "Gold Manager" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D26AAB3B-B0DD-456C-A7E5-4DA9565FD6EE}\ProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D26AAB3B-B0DD-456C-A7E5-4DA9565FD6EE}\VersionIndependentProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3ae233ba25dddadb30bdce4f52821c5d.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF}\1.0\0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4937D5D1-2039-409A-BD83-FEC9B39B2356}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4937D5D1-2039-409A-BD83-FEC9B39B2356}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CAF9D798-C659-4B9B-8E19-EE27C3D04EE7}\ = "IBho" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D26AAB3B-B0DD-456C-A7E5-4DA9565FD6EE}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\BhoNew.Bho.1\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\BhoNew.Bho\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4937D5D1-2039-409A-BD83-FEC9B39B2356}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CAF9D798-C659-4B9B-8E19-EE27C3D04EE7}\TypeLib\Version = "1.0" regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3500 wrote to memory of 2096 3500 regsvr32.exe 14 PID 3500 wrote to memory of 2096 3500 regsvr32.exe 14 PID 3500 wrote to memory of 2096 3500 regsvr32.exe 14
Processes
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C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\3ae233ba25dddadb30bdce4f52821c5d.dll1⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:2096
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\3ae233ba25dddadb30bdce4f52821c5d.dll1⤵
- Suspicious use of WriteProcessMemory
PID:3500