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Analysis
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max time kernel
119s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
03/07/2024, 05:38
Behavioral task
behavioral1
Sample
214069e294e94ef2bae95752a136b8a8_JaffaCakes118.dll
Resource
win7-20240221-en
4 signatures
150 seconds
General
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Target
214069e294e94ef2bae95752a136b8a8_JaffaCakes118.dll
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Size
42KB
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MD5
214069e294e94ef2bae95752a136b8a8
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SHA1
0d7421bb6eb8155e39a4844177a1262d6ed74e86
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SHA256
856fcb7f1088feb37cfb12e23191e37bd939cb52a0faafff7e8a48bd318315e8
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SHA512
e27b30c741539249ccd34f4c14c9b933c437867b7c29b82286fa5c421f31d51779b4d33aa6cf4237cb35808ef0c9a85e42e64fc561b68633be2d500bdca34398
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SSDEEP
768:dWLGtsqST282ngQKp1JkwHwlzeFofxzha5A:d6GtspT2mR1JkYCzeObt
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\{63E0EAC2-3F22-4358-A817-A2D3851AB0ED} regsvr32.exe -
Modifies registry class 42 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{63E0EAC1-3F22-4358-A817-A2D3851AB0ED} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{63E0EAC1-3F22-4358-A817-A2D3851AB0ED} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{63E0EAC1-3F22-4358-A817-A2D3851AB0ED}\ = "IIEHlprObj" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{63E0EAC1-3F22-4358-A817-A2D3851AB0ED}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{63E0EAC2-3F22-4358-A817-A2D3851AB0ED}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{63E0EAC2-3F22-4358-A817-A2D3851AB0ED}\ProgID\ = "IEHlprObj.IEHlprObj.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{63E0EAC2-3F22-4358-A817-A2D3851AB0ED}\Programmable regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{63E0EAC2-3F22-4358-A817-A2D3851AB0ED}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\214069e294e94ef2bae95752a136b8a8_JaffaCakes118.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{63E0EAC8-3F22-4358-A817-A2D3851AB0ED} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{63E0EAC8-3F22-4358-A817-A2D3851AB0ED}\1.0\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{63E0EAC2-3F22-4358-A817-A2D3851AB0ED}\ = "IEHlprObj Class" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{63E0EAC2-3F22-4358-A817-A2D3851AB0ED}\VersionIndependentProgID\ = "IEHlprObj.IEHlprObj" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{63E0EAC8-3F22-4358-A817-A2D3851AB0ED}\1.0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{63E0EAC8-3F22-4358-A817-A2D3851AB0ED}\1.0\0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{63E0EAC1-3F22-4358-A817-A2D3851AB0ED}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{63E0EAC1-3F22-4358-A817-A2D3851AB0ED}\TypeLib\ = "{63E0EAC8-3F22-4358-A817-A2D3851AB0ED}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{63E0EAC1-3F22-4358-A817-A2D3851AB0ED}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID\ = "{63E0EAC2-3F22-4358-A817-A2D3851AB0ED}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{63E0EAC1-3F22-4358-A817-A2D3851AB0ED}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{63E0EAC2-3F22-4358-A817-A2D3851AB0ED} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{63E0EAC2-3F22-4358-A817-A2D3851AB0ED}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{63E0EAC8-3F22-4358-A817-A2D3851AB0ED}\1.0\ = "IEHelper 1.0 Type Library" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{63E0EAC8-3F22-4358-A817-A2D3851AB0ED}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{63E0EAC1-3F22-4358-A817-A2D3851AB0ED}\ = "IIEHlprObj" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{63E0EAC1-3F22-4358-A817-A2D3851AB0ED}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{63E0EAC1-3F22-4358-A817-A2D3851AB0ED}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\ = "IEHlprObj Class" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer\ = "IEHlprObj.IEHlprObj.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{63E0EAC8-3F22-4358-A817-A2D3851AB0ED}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\214069e294e94ef2bae95752a136b8a8_JaffaCakes118.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{63E0EAC8-3F22-4358-A817-A2D3851AB0ED}\1.0\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{63E0EAC1-3F22-4358-A817-A2D3851AB0ED}\TypeLib\ = "{63E0EAC8-3F22-4358-A817-A2D3851AB0ED}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{63E0EAC1-3F22-4358-A817-A2D3851AB0ED}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\ = "IEHlprObj Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{63E0EAC2-3F22-4358-A817-A2D3851AB0ED}\VersionIndependentProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{63E0EAC2-3F22-4358-A817-A2D3851AB0ED}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{63E0EAC8-3F22-4358-A817-A2D3851AB0ED}\1.0\FLAGS regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{63E0EAC8-3F22-4358-A817-A2D3851AB0ED}\1.0\FLAGS\ = "0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{63E0EAC1-3F22-4358-A817-A2D3851AB0ED}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2968 regsvr32.exe 2968 regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2972 wrote to memory of 2968 2972 regsvr32.exe 28 PID 2972 wrote to memory of 2968 2972 regsvr32.exe 28 PID 2972 wrote to memory of 2968 2972 regsvr32.exe 28 PID 2972 wrote to memory of 2968 2972 regsvr32.exe 28 PID 2972 wrote to memory of 2968 2972 regsvr32.exe 28 PID 2972 wrote to memory of 2968 2972 regsvr32.exe 28 PID 2972 wrote to memory of 2968 2972 regsvr32.exe 28
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\214069e294e94ef2bae95752a136b8a8_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2972 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\214069e294e94ef2bae95752a136b8a8_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
PID:2968
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