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Analysis
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max time kernel
139s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
13/01/2024, 12:15
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
58e4f35a8d63854ade64d7bc5c3d8a7b.dll
Resource
win7-20231215-en
3 signatures
150 seconds
General
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Target
58e4f35a8d63854ade64d7bc5c3d8a7b.dll
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Size
344KB
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MD5
58e4f35a8d63854ade64d7bc5c3d8a7b
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SHA1
5630fe5246e235f71ae052923e669a0593de42d3
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SHA256
7249e89ab590b2776bcf9677343871bb2334bcf528542903b694211fe0aad511
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SHA512
4251f27980c85f8eddf5f5ecc41938799d1b4c45052341793af3aa3502651841bf34b8e5601007ec50425749efc8bb0d282e2dd8651e23474ba1f120b1066c2f
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SSDEEP
6144:5HuFTCIPfN+HHqTRvJB9dR9Y3kuB8miv2TNM:5HwfN+Avz9dQ3FBQ26
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\{F96A5715-5022-4982-83E4-D051EC7DDC71} regsvr32.exe -
Modifies registry class 50 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{49FE8347-F93B-4783-80CA-2EBCB6BCF391}\ = "_IamdkEvents" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{08B87DB6-5FFF-468D-B0F3-C2A91BF159CA}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F5F3E4D6-517A-43BD-B802-5EDC64B6266B}\1.0\FLAGS regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{49FE8347-F93B-4783-80CA-2EBCB6BCF391}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{49FE8347-F93B-4783-80CA-2EBCB6BCF391}\TypeLib\ = "{F5F3E4D6-517A-43BD-B802-5EDC64B6266B}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{08B87DB6-5FFF-468D-B0F3-C2A91BF159CA}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{08B87DB6-5FFF-468D-B0F3-C2A91BF159CA}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{08B87DB6-5FFF-468D-B0F3-C2A91BF159CA}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{08B87DB6-5FFF-468D-B0F3-C2A91BF159CA}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F5F3E4D6-517A-43BD-B802-5EDC64B6266B} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{49FE8347-F93B-4783-80CA-2EBCB6BCF391}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{08B87DB6-5FFF-468D-B0F3-C2A91BF159CA} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F96A5715-5022-4982-83E4-D051EC7DDC71}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F96A5715-5022-4982-83E4-D051EC7DDC71}\TypeLib\ = "{F5F3E4D6-517A-43BD-B802-5EDC64B6266B}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F5F3E4D6-517A-43BD-B802-5EDC64B6266B}\1.0\ = "amdk TL" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{08B87DB6-5FFF-468D-B0F3-C2A91BF159CA} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{08B87DB6-5FFF-468D-B0F3-C2A91BF159CA}\ = "Iamdk" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{08B87DB6-5FFF-468D-B0F3-C2A91BF159CA}\TypeLib\ = "{F5F3E4D6-517A-43BD-B802-5EDC64B6266B}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F96A5715-5022-4982-83E4-D051EC7DDC71}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\58e4f35a8d63854ade64d7bc5c3d8a7b.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F96A5715-5022-4982-83E4-D051EC7DDC71}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{49FE8347-F93B-4783-80CA-2EBCB6BCF391}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{49FE8347-F93B-4783-80CA-2EBCB6BCF391}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{49FE8347-F93B-4783-80CA-2EBCB6BCF391}\ = "_IamdkEvents" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{08B87DB6-5FFF-468D-B0F3-C2A91BF159CA}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F96A5715-5022-4982-83E4-D051EC7DDC71}\ = "QXK Olive" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F96A5715-5022-4982-83E4-D051EC7DDC71}\VersionIndependentProgID\ = "QXK.Olive" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F5F3E4D6-517A-43BD-B802-5EDC64B6266B}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\58e4f35a8d63854ade64d7bc5c3d8a7b.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F96A5715-5022-4982-83E4-D051EC7DDC71}\ProgID\ = "QXK.Olive" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F96A5715-5022-4982-83E4-D051EC7DDC71} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F5F3E4D6-517A-43BD-B802-5EDC64B6266B}\1.0\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{49FE8347-F93B-4783-80CA-2EBCB6BCF391}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F96A5715-5022-4982-83E4-D051EC7DDC71}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{49FE8347-F93B-4783-80CA-2EBCB6BCF391} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{49FE8347-F93B-4783-80CA-2EBCB6BCF391}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{08B87DB6-5FFF-468D-B0F3-C2A91BF159CA}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F96A5715-5022-4982-83E4-D051EC7DDC71}\VersionIndependentProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F5F3E4D6-517A-43BD-B802-5EDC64B6266B}\1.0\0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{08B87DB6-5FFF-468D-B0F3-C2A91BF159CA}\TypeLib\ = "{F5F3E4D6-517A-43BD-B802-5EDC64B6266B}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F96A5715-5022-4982-83E4-D051EC7DDC71}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F96A5715-5022-4982-83E4-D051EC7DDC71}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F5F3E4D6-517A-43BD-B802-5EDC64B6266B}\1.0\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F5F3E4D6-517A-43BD-B802-5EDC64B6266B}\1.0\HELPDIR\ regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{49FE8347-F93B-4783-80CA-2EBCB6BCF391}\TypeLib\ = "{F5F3E4D6-517A-43BD-B802-5EDC64B6266B}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{49FE8347-F93B-4783-80CA-2EBCB6BCF391}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{08B87DB6-5FFF-468D-B0F3-C2A91BF159CA}\ = "Iamdk" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F5F3E4D6-517A-43BD-B802-5EDC64B6266B}\1.0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{49FE8347-F93B-4783-80CA-2EBCB6BCF391}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{08B87DB6-5FFF-468D-B0F3-C2A91BF159CA}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{49FE8347-F93B-4783-80CA-2EBCB6BCF391} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F5F3E4D6-517A-43BD-B802-5EDC64B6266B}\1.0\FLAGS\ = "0" regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3300 wrote to memory of 5072 3300 regsvr32.exe 87 PID 3300 wrote to memory of 5072 3300 regsvr32.exe 87 PID 3300 wrote to memory of 5072 3300 regsvr32.exe 87
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\58e4f35a8d63854ade64d7bc5c3d8a7b.dll1⤵
- Suspicious use of WriteProcessMemory
PID:3300 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\58e4f35a8d63854ade64d7bc5c3d8a7b.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:5072
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