Analysis
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max time kernel
93s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
02/02/2024, 21:19
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
8a8ee15d4edc587172ac407cff12a80f.dll
Resource
win7-20231215-en
3 signatures
150 seconds
General
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Target
8a8ee15d4edc587172ac407cff12a80f.dll
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Size
35KB
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MD5
8a8ee15d4edc587172ac407cff12a80f
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SHA1
fa1bd98159aed6ac80dfee223370daa2db98a73c
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SHA256
2b988829cbcf93cb325510125b1d6f6bf3781d21a86464a9687a3fe65f3b5daf
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SHA512
d8c390d05d21b52593c1ce4060b5ea269156db3738b10568b98bd691387381f544de1eca73cbd36f0a2c05bec3a9b7305bf0b1a9dfe5d9b576b945bf02a0edd7
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SSDEEP
768:UaapE2L2+zSqISni1xkaQrKgwWOGGyT3+OgW8sxS64UZ4F3lqBQQ:UaeT2WS7SnmxkIWaK3WbsxCFOQQ
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\{06A496C9-D6AE-47BD-BEA2-1F64C80ADCEE} regsvr32.exe -
Modifies registry class 46 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Iecom.EyeOnIE\CurVer regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{06A496C9-D6AE-47BD-BEA2-1F64C80ADCEE}\VersionIndependentProgID\ = "WebThunder" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{06A496C9-D6AE-47BD-BEA2-1F64C80ADCEE}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4E3101C9-764D-4BD3-900F-AB9F1865DA8E}\1.0\0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4E3101C9-764D-4BD3-900F-AB9F1865DA8E}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{23BADBE9-BE9D-40E4-B11B-F87E17103D79}\TypeLib\ = "{4E3101C9-764D-4BD3-900F-AB9F1865DA8E}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{06A496C9-D6AE-47BD-BEA2-1F64C80ADCEE}\TypeLib\ = "{4E3101C9-764D-4BD3-900F-AB9F1865DA8E}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4E3101C9-764D-4BD3-900F-AB9F1865DA8E}\1.0\ = "ThunderѸÀ× 2.0 Type Library" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Iecom.EyeOnIE.1\CLSID\ = "{06A496C9-D6AE-47BD-BEA2-1F64C80ADCEE}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Iecom.EyeOnIE\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Iecom.EyeOnIE\CLSID\ = "{06A496C9-D6AE-47BD-BEA2-1F64C80ADCEE}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{06A496C9-D6AE-47BD-BEA2-1F64C80ADCEE}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{06A496C9-D6AE-47BD-BEA2-1F64C80ADCEE}\ProgID\ = "WebThunder1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{06A496C9-D6AE-47BD-BEA2-1F64C80ADCEE}\VersionIndependentProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4E3101C9-764D-4BD3-900F-AB9F1865DA8E}\1.0\FLAGS regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4E3101C9-764D-4BD3-900F-AB9F1865DA8E}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8a8ee15d4edc587172ac407cff12a80f.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{23BADBE9-BE9D-40E4-B11B-F87E17103D79}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Iecom.EyeOnIE.1\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{06A496C9-D6AE-47BD-BEA2-1F64C80ADCEE} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4E3101C9-764D-4BD3-900F-AB9F1865DA8E} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4E3101C9-764D-4BD3-900F-AB9F1865DA8E}\1.0\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{06A496C9-D6AE-47BD-BEA2-1F64C80ADCEE}\ = "Thunder Browser Helper" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{23BADBE9-BE9D-40E4-B11B-F87E17103D79}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{23BADBE9-BE9D-40E4-B11B-F87E17103D79} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{23BADBE9-BE9D-40E4-B11B-F87E17103D79}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Iecom.EyeOnIE.1\ = "Thunder Browser Helper" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{06A496C9-D6AE-47BD-BEA2-1F64C80ADCEE}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8a8ee15d4edc587172ac407cff12a80f.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{23BADBE9-BE9D-40E4-B11B-F87E17103D79}\ = "IEyeOnIE" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Iecom.EyeOnIE.1 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Iecom.EyeOnIE\CurVer\ = "WebThunder.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{06A496C9-D6AE-47BD-BEA2-1F64C80ADCEE}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4E3101C9-764D-4BD3-900F-AB9F1865DA8E}\1.0\FLAGS\ = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4E3101C9-764D-4BD3-900F-AB9F1865DA8E}\1.0\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{23BADBE9-BE9D-40E4-B11B-F87E17103D79}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{06A496C9-D6AE-47BD-BEA2-1F64C80ADCEE}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{06A496C9-D6AE-47BD-BEA2-1F64C80ADCEE}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4E3101C9-764D-4BD3-900F-AB9F1865DA8E}\1.0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{23BADBE9-BE9D-40E4-B11B-F87E17103D79}\ = "IEyeOnIE" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{23BADBE9-BE9D-40E4-B11B-F87E17103D79}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{23BADBE9-BE9D-40E4-B11B-F87E17103D79}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Iecom.EyeOnIE regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Iecom.EyeOnIE\ = "Thunder Browser Helper" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{23BADBE9-BE9D-40E4-B11B-F87E17103D79} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{23BADBE9-BE9D-40E4-B11B-F87E17103D79}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{23BADBE9-BE9D-40E4-B11B-F87E17103D79}\TypeLib\ = "{4E3101C9-764D-4BD3-900F-AB9F1865DA8E}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{23BADBE9-BE9D-40E4-B11B-F87E17103D79}\TypeLib regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2280 wrote to memory of 2404 2280 regsvr32.exe 85 PID 2280 wrote to memory of 2404 2280 regsvr32.exe 85 PID 2280 wrote to memory of 2404 2280 regsvr32.exe 85
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\8a8ee15d4edc587172ac407cff12a80f.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2280 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\8a8ee15d4edc587172ac407cff12a80f.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:2404
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