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Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
19/03/2024, 17:07
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
d6a8a303abab2df053171b1b85e2cc40.dll
Resource
win7-20240215-en
3 signatures
150 seconds
General
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Target
d6a8a303abab2df053171b1b85e2cc40.dll
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Size
36KB
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MD5
d6a8a303abab2df053171b1b85e2cc40
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SHA1
7ccf4bd019d7b1f93f1ca3af616ccb88f09190df
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SHA256
7da76a383f6e61f473a6e9ddaf738238af75275b220f31b933103298a0f6d708
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SHA512
a5a0f4e72548fc4528cf208910e7d108537dc9858034728f7b7cb581b53832368204e3e1b4d7b166c9172d7f99f3900049167d9568d6fc3460c83272326c98b8
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SSDEEP
384:Ha+AEwpjYCItz0ft6rgSqY661GuEzZs661ipAo/71WxL5Mslj+tO2u:bAEwKtz04rX6617Ets661ip3/70fj+
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\{1307E689-5CA1-4a15-9583-F2350790290D} regsvr32.exe -
Modifies registry class 46 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\IEHpr.Invoke.1 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\IEHpr.Invoke\ = "BHO Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1307E689-5CA1-4a15-9583-F2350790290D}\ProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1307E689-5CA1-4a15-9583-F2350790290D}\VersionIndependentProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1307E689-5CA1-4a15-9583-F2350790290D}\Programmable regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1307E689-5CA1-4a15-9583-F2350790290D}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\d6a8a303abab2df053171b1b85e2cc40.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1307E689-5CA1-4a15-9583-F2350790290D}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{76931754-12F9-456F-8589-223C37554D15}\1.0\ = "IEHpr 1.0 Type Library" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{76931754-12F9-456F-8589-223C37554D15}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\d6a8a303abab2df053171b1b85e2cc40.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\IEHpr.Invoke\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{76931754-12F9-456F-8589-223C37554D15}\1.0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{76931754-12F9-456F-8589-223C37554D15}\1.0\0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{76931754-12F9-456F-8589-223C37554D15}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E447F880-97B1-4D6E-85BA-1B5659F762E7}\ = "IInterCept" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E447F880-97B1-4D6E-85BA-1B5659F762E7}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1307E689-5CA1-4a15-9583-F2350790290D} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{76931754-12F9-456F-8589-223C37554D15}\1.0\FLAGS regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{76931754-12F9-456F-8589-223C37554D15}\1.0\0\win32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E447F880-97B1-4D6E-85BA-1B5659F762E7} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E447F880-97B1-4D6E-85BA-1B5659F762E7}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E447F880-97B1-4D6E-85BA-1B5659F762E7}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\IEHpr.Invoke.1\CLSID\ = "{1307E689-5CA1-4a15-9583-F2350790290D}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\IEHpr.Invoke\CurVer\ = "IEHpr.Invoke.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1307E689-5CA1-4a15-9583-F2350790290D}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{76931754-12F9-456F-8589-223C37554D15} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E447F880-97B1-4D6E-85BA-1B5659F762E7}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\IEHpr.Invoke.1\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\IEHpr.Invoke regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1307E689-5CA1-4a15-9583-F2350790290D}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1307E689-5CA1-4a15-9583-F2350790290D}\TypeLib\ = "{76931754-12F9-456f-8589-223C37554D15}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E447F880-97B1-4D6E-85BA-1B5659F762E7}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E447F880-97B1-4D6E-85BA-1B5659F762E7} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E447F880-97B1-4D6E-85BA-1B5659F762E7}\TypeLib\ = "{76931754-12F9-456F-8589-223C37554D15}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\IEHpr.Invoke.1\ = "BHO Class" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{76931754-12F9-456F-8589-223C37554D15}\1.0\FLAGS\ = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{76931754-12F9-456F-8589-223C37554D15}\1.0\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E447F880-97B1-4D6E-85BA-1B5659F762E7}\ = "IInterCept" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E447F880-97B1-4D6E-85BA-1B5659F762E7}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E447F880-97B1-4D6E-85BA-1B5659F762E7}\TypeLib\ = "{76931754-12F9-456F-8589-223C37554D15}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\IEHpr.Invoke\CurVer regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E447F880-97B1-4D6E-85BA-1B5659F762E7}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\IEHpr.Invoke\CLSID\ = "{1307E689-5CA1-4a15-9583-F2350790290D}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1307E689-5CA1-4a15-9583-F2350790290D}\ = "BHO Class" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1307E689-5CA1-4a15-9583-F2350790290D}\ProgID\ = "IEHpr.Invoke.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1307E689-5CA1-4a15-9583-F2350790290D}\VersionIndependentProgID\ = "IEHpr.Invoke" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E447F880-97B1-4D6E-85BA-1B5659F762E7}\TypeLib regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1580 wrote to memory of 2268 1580 regsvr32.exe 87 PID 1580 wrote to memory of 2268 1580 regsvr32.exe 87 PID 1580 wrote to memory of 2268 1580 regsvr32.exe 87
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\d6a8a303abab2df053171b1b85e2cc40.dll1⤵
- Suspicious use of WriteProcessMemory
PID:1580 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\d6a8a303abab2df053171b1b85e2cc40.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:2268
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