Analysis
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max time kernel
91s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
07/11/2022, 04:34
Static task
static1
Behavioral task
behavioral1
Sample
a64b951bec36593205ed1c2f1ed63599c966bbc04c5d3323e21afb0a08ff33fa.dll
Resource
win7-20220812-en
3 signatures
150 seconds
General
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Target
a64b951bec36593205ed1c2f1ed63599c966bbc04c5d3323e21afb0a08ff33fa.dll
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Size
349KB
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MD5
0d1c187e027a621195f425e1a4a3c380
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SHA1
704dde5442ea200bc71b86b66bc2376c778f1ae5
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SHA256
a64b951bec36593205ed1c2f1ed63599c966bbc04c5d3323e21afb0a08ff33fa
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SHA512
d578d58c5226cbbc2faf5adeb747b2bd21ffa0fec70ba35120014e150dc3d4f92976a7f91e03480903bf89929aa6762c5cd53fb4fd31be5d5ae08cf26c2c6e77
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SSDEEP
6144:yF8qXlPJHaL1rryvQm/D2xcMuwn+s76SiwpV7EirnA3/KBTA/C:y2qXl41rryvl/V0cSVrrXBTA6
Malware Config
Signatures
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Installs/modifies Browser Helper Object 2 TTPs 3 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\{A4BC8D60-4A78-43F5-B181-DAE74C38BC45} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{A4BC8D60-4A78-43F5-B181-DAE74C38BC45}\ = "ieqlibP" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{A4BC8D60-4A78-43F5-B181-DAE74C38BC45}\NoExplorer = "1" regsvr32.exe -
Modifies registry class 64 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\ieqlib.DLL\AppID = "{B0ED4726-5BC8-4E22-A7A8-3074A73CE64E}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetMimeFiltr.1\CLSID\ = "{E4F1BD70-B6A6-44F8-83FE-BE6593155999}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetMimeFiltr\ = "ieqlibB Class" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A4BC8D60-4A78-43F5-B181-DAE74C38BC45}\ = "LTAC Media Helper Object" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{10DBFD23-CDC5-4D2A-8EF3-F5F8B1528FEE}\1.0\0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{67E9C2BF-B41C-4C1A-8857-74181382582D}\TypeLib\ = "{10DBFD23-CDC5-4D2A-8EF3-F5F8B1528FEE}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E4F1BD70-B6A6-44F8-83FE-BE6593155999}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a64b951bec36593205ed1c2f1ed63599c966bbc04c5d3323e21afb0a08ff33fa.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{10DBFD23-CDC5-4D2A-8EF3-F5F8B1528FEE}\1.0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{67E9C2BF-B41C-4C1A-8857-74181382582D}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{67E9C2BF-B41C-4C1A-8857-74181382582D} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E7663ACC-469B-45B2-899B-E57716B7BE59}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E7663ACC-469B-45B2-899B-E57716B7BE59}\NumMethods\ = "7" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetMimeFiltr\CurVer\ = "3" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E4F1BD70-B6A6-44F8-83FE-BE6593155999}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{67E9C2BF-B41C-4C1A-8857-74181382582D} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{67E9C2BF-B41C-4C1A-8857-74181382582D}\InProcServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E7663ACC-469B-45B2-899B-E57716B7BE59}\ProxyStubClsid32\ = "{67E9C2BF-B41C-4C1A-8857-74181382582D}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetMimeFiltr.1\ = "ieqlibB Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetMimeFiltr.1\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E4F1BD70-B6A6-44F8-83FE-BE6593155999}\Programmable regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetVideoPlugin\ = "ieqlibA Class" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{67E9C2BF-B41C-4C1A-8857-74181382582D}\ = "IJetVideoPlugin" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E7663ACC-469B-45B2-899B-E57716B7BE59}\TypeLib\ = "{10DBFD23-CDC5-4D2A-8EF3-F5F8B1528FEE}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E7663ACC-469B-45B2-899B-E57716B7BE59}\TypeLib\ = "{10DBFD23-CDC5-4D2A-8EF3-F5F8B1528FEE}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetMimeFiltr\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E4F1BD70-B6A6-44F8-83FE-BE6593155999}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetVideoPlugin\CLSID\ = "{A4BC8D60-4A78-43F5-B181-DAE74C38BC45}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{67E9C2BF-B41C-4C1A-8857-74181382582D}\ = "IJetVideoPlugin" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{67E9C2BF-B41C-4C1A-8857-74181382582D}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E4F1BD70-B6A6-44F8-83FE-BE6593155999}\ProgID\ = "ieqlib.BClass.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetVideoPlugin.1\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetVideoPlugin.1\CLSID\ = "{A4BC8D60-4A78-43F5-B181-DAE74C38BC45}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A4BC8D60-4A78-43F5-B181-DAE74C38BC45}\ProgID\ = "ieqlib.AClass.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A4BC8D60-4A78-43F5-B181-DAE74C38BC45}\VersionIndependentProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{10DBFD23-CDC5-4D2A-8EF3-F5F8B1528FEE}\1.0\FLAGS regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{67E9C2BF-B41C-4C1A-8857-74181382582D}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{67E9C2BF-B41C-4C1A-8857-74181382582D}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{B0ED4726-5BC8-4E22-A7A8-3074A73CE64E} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E4F1BD70-B6A6-44F8-83FE-BE6593155999}\AppID = "{B0ED4726-5BC8-4E22-A7A8-3074A73CE64E}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E4F1BD70-B6A6-44F8-83FE-BE6593155999}\TypeLib\ = "{10DBFD23-CDC5-4D2A-8EF3-F5F8B1528FEE}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A4BC8D60-4A78-43F5-B181-DAE74C38BC45} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A4BC8D60-4A78-43F5-B181-DAE74C38BC45}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{10DBFD23-CDC5-4D2A-8EF3-F5F8B1528FEE}\1.0\ = "ieqlib Type Library" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{67E9C2BF-B41C-4C1A-8857-74181382582D}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E7663ACC-469B-45B2-899B-E57716B7BE59}\TypeLib regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\WOW6432Node\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{67E9C2BF-B41C-4C1A-8857-74181382582D}\InProcServer32\ThreadingModel = "Both" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{67E9C2BF-B41C-4C1A-8857-74181382582D}\ProxyStubClsid32\ = "{67E9C2BF-B41C-4C1A-8857-74181382582D}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E7663ACC-469B-45B2-899B-E57716B7BE59}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E4F1BD70-B6A6-44F8-83FE-BE6593155999}\VersionIndependentProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E4F1BD70-B6A6-44F8-83FE-BE6593155999}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetVideoPlugin\CurVer\ = "2" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{67E9C2BF-B41C-4C1A-8857-74181382582D} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{67E9C2BF-B41C-4C1A-8857-74181382582D}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E7663ACC-469B-45B2-899B-E57716B7BE59} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E7663ACC-469B-45B2-899B-E57716B7BE59}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E7663ACC-469B-45B2-899B-E57716B7BE59}\NumMethods regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{67E9C2BF-B41C-4C1A-8857-74181382582D}\ = "PSFactoryBuffer" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetVideoPlugin\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetVideoPlugin\CurVer regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A4BC8D60-4A78-43F5-B181-DAE74C38BC45}\Programmable regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{10DBFD23-CDC5-4D2A-8EF3-F5F8B1528FEE}\1.0\FLAGS\ = "0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{10DBFD23-CDC5-4D2A-8EF3-F5F8B1528FEE}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a64b951bec36593205ed1c2f1ed63599c966bbc04c5d3323e21afb0a08ff33fa.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{10DBFD23-CDC5-4D2A-8EF3-F5F8B1528FEE}\1.0\HELPDIR regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2148 wrote to memory of 2976 2148 regsvr32.exe 80 PID 2148 wrote to memory of 2976 2148 regsvr32.exe 80 PID 2148 wrote to memory of 2976 2148 regsvr32.exe 80
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\a64b951bec36593205ed1c2f1ed63599c966bbc04c5d3323e21afb0a08ff33fa.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2148 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\a64b951bec36593205ed1c2f1ed63599c966bbc04c5d3323e21afb0a08ff33fa.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:2976
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