Analysis
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max time kernel
148s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
03-10-2022 00:23
Static task
static1
Behavioral task
behavioral1
Sample
fcf9e94c7dd23efbb1f19e9f061210ce1c149f363bb5bee16b82c54b6b4a455b.dll
Resource
win7-20220901-en
windows7-x64
3 signatures
150 seconds
General
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Target
fcf9e94c7dd23efbb1f19e9f061210ce1c149f363bb5bee16b82c54b6b4a455b.dll
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Size
45KB
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MD5
356442b11898e469b8268c4d9b664f80
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SHA1
26de68289771473e78b68599a843678d9930c532
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SHA256
fcf9e94c7dd23efbb1f19e9f061210ce1c149f363bb5bee16b82c54b6b4a455b
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SHA512
8011e205b4f393f9d49bb51a44999d745a41dc90be85d99777c28c15f4ecbee9a846d3dcacfdb11d75225f2a7ea91fc0ae4f725a756017b0f9ed980465075174
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SSDEEP
768:/8WzvIfFvHUcFs0DaaoQHRmf8CkyYkLkvITXMu:/8WDOl0cOa7mfj7YnvIjMu
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\{A5CAE223-1163-6304-A43E-33D18BB79937} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{A5CAE223-1163-6304-A43E-33D18BB79937}\ = "\"Windows Live Helper v.1" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{A5CAE223-1163-6304-A43E-33D18BB79937}\NoExplorer = "1" regsvr32.exe -
Modifies registry class 45 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A5CAE223-1163-6304-A43E-33D18BB79937}\TypeLib\ = "{A139F1B8-09AB-427F-8539-A180D9878D1B}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A139F1B8-09AB-427F-8539-A180D9878D1B}\1.0\HELPDIR regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{BC8B6105-D590-4E7A-97A2-6C8A88FAB64F}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BC8B6105-D590-4E7A-97A2-6C8A88FAB64F} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BC8B6105-D590-4E7A-97A2-6C8A88FAB64F}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Windows regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A5CAE223-1163-6304-A43E-33D18BB79937}\ = "Windows Live Helper v.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A5CAE223-1163-6304-A43E-33D18BB79937}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A139F1B8-09AB-427F-8539-A180D9878D1B} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A139F1B8-09AB-427F-8539-A180D9878D1B}\1.0\ = "Windows Live Helper v.1 Type Library" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A139F1B8-09AB-427F-8539-A180D9878D1B}\1.0\FLAGS regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{BC8B6105-D590-4E7A-97A2-6C8A88FAB64F}\ = "ICBlocker" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\v.1 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\v.1\CLSID\ = "{A5CAE223-1163-6304-A43E-33D18BB79937}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A5CAE223-1163-6304-A43E-33D18BB79937}\ProgID\ = "Windows Live Helper v.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A139F1B8-09AB-427F-8539-A180D9878D1B}\1.0\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BC8B6105-D590-4E7A-97A2-6C8A88FAB64F}\TypeLib\ = "{A139F1B8-09AB-427F-8539-A180D9878D1B}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A5CAE223-1163-6304-A43E-33D18BB79937}\VersionIndependentProgID\ = "Windows Live Helper v.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A5CAE223-1163-6304-A43E-33D18BB79937}\Programmable regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{BC8B6105-D590-4E7A-97A2-6C8A88FAB64F}\TypeLib\ = "{A139F1B8-09AB-427F-8539-A180D9878D1B}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BC8B6105-D590-4E7A-97A2-6C8A88FAB64F}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BC8B6105-D590-4E7A-97A2-6C8A88FAB64F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\v.1\ = "Windows Live Helper v.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\v.1\CurVer\ = "Windows Live Helper v.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A5CAE223-1163-6304-A43E-33D18BB79937} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A139F1B8-09AB-427F-8539-A180D9878D1B}\1.0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A139F1B8-09AB-427F-8539-A180D9878D1B}\1.0\FLAGS\ = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{BC8B6105-D590-4E7A-97A2-6C8A88FAB64F}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Helper regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A5CAE223-1163-6304-A43E-33D18BB79937}\ProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A5CAE223-1163-6304-A43E-33D18BB79937}\VersionIndependentProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A5CAE223-1163-6304-A43E-33D18BB79937}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A5CAE223-1163-6304-A43E-33D18BB79937}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\fcf9e94c7dd23efbb1f19e9f061210ce1c149f363bb5bee16b82c54b6b4a455b.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A5CAE223-1163-6304-A43E-33D18BB79937}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A139F1B8-09AB-427F-8539-A180D9878D1B}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{BC8B6105-D590-4E7A-97A2-6C8A88FAB64F} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\v.1\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\v.1\CurVer regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A139F1B8-09AB-427F-8539-A180D9878D1B}\1.0\0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A139F1B8-09AB-427F-8539-A180D9878D1B}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\fcf9e94c7dd23efbb1f19e9f061210ce1c149f363bb5bee16b82c54b6b4a455b.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Live regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{BC8B6105-D590-4E7A-97A2-6C8A88FAB64F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{BC8B6105-D590-4E7A-97A2-6C8A88FAB64F}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BC8B6105-D590-4E7A-97A2-6C8A88FAB64F}\ = "ICBlocker" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BC8B6105-D590-4E7A-97A2-6C8A88FAB64F}\TypeLib regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3628 wrote to memory of 2332 3628 regsvr32.exe 85 PID 3628 wrote to memory of 2332 3628 regsvr32.exe 85 PID 3628 wrote to memory of 2332 3628 regsvr32.exe 85
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\fcf9e94c7dd23efbb1f19e9f061210ce1c149f363bb5bee16b82c54b6b4a455b.dll1⤵
- Suspicious use of WriteProcessMemory
PID:3628 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\fcf9e94c7dd23efbb1f19e9f061210ce1c149f363bb5bee16b82c54b6b4a455b.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:2332
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