Analysis
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max time kernel
12s -
max time network
19s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
23-07-2024 02:41
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
65d3c7a946676761f9b1860bc3ec4399_JaffaCakes118.dll
Resource
win7-20240704-en
windows7-x64
4 signatures
150 seconds
General
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Target
65d3c7a946676761f9b1860bc3ec4399_JaffaCakes118.dll
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Size
47KB
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MD5
65d3c7a946676761f9b1860bc3ec4399
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SHA1
904d97a52a40400e0b60c7eebcb9ea762950e367
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SHA256
0664e8f88c4db8199bd30428c3e188ee2aa5d0f70dc862b983d601181c2a7328
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SHA512
e714c0e8327a875eca8dc1e0291915817500dbda814c26becdc051b6ba4385b76f0aa4e103267df9eba6124893dceb9bbc05cebcb486ea9bc669863ba155d214
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SSDEEP
768:wy8cKutl1V7GoGUnqnymO8MdSkgISl8iWrMgiegyFkM7mzwD2Iyz7tKuCqMj:wy8c/16DUqny1Fd79iEiH+mzw6Iyft1b
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\{76C82222-C539-40F1-B9CE-EFAA956AE6D3} regsvr32.exe -
Modifies registry class 42 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{76C82228-C539-40F1-B9CE-EFAA956AE6D3}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{76C82221-C539-40F1-B9CE-EFAA956AE6D3} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\ = "IEHlprObj Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\ = "IEHlprObj Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{76C82222-C539-40F1-B9CE-EFAA956AE6D3}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{76C82228-C539-40F1-B9CE-EFAA956AE6D3}\1.0\FLAGS\ = "0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{76C82221-C539-40F1-B9CE-EFAA956AE6D3}\ = "IIEHlprObj" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{76C82221-C539-40F1-B9CE-EFAA956AE6D3}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID\ = "{76C82222-C539-40F1-B9CE-EFAA956AE6D3}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{76C82222-C539-40F1-B9CE-EFAA956AE6D3}\VersionIndependentProgID\ = "IEHlprObj.IEHlprObj" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{76C82222-C539-40F1-B9CE-EFAA956AE6D3}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\65d3c7a946676761f9b1860bc3ec4399_JaffaCakes118.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{76C82228-C539-40F1-B9CE-EFAA956AE6D3}\1.0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{76C82228-C539-40F1-B9CE-EFAA956AE6D3}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\65d3c7a946676761f9b1860bc3ec4399_JaffaCakes118.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{76C82222-C539-40F1-B9CE-EFAA956AE6D3}\VersionIndependentProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{76C82221-C539-40F1-B9CE-EFAA956AE6D3}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{76C82221-C539-40F1-B9CE-EFAA956AE6D3}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{76C82228-C539-40F1-B9CE-EFAA956AE6D3}\1.0\ = "IEHelper 1.0 Type Library" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{76C82228-C539-40F1-B9CE-EFAA956AE6D3}\1.0\FLAGS regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{76C82221-C539-40F1-B9CE-EFAA956AE6D3}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{76C82221-C539-40F1-B9CE-EFAA956AE6D3}\TypeLib\ = "{76C82228-C539-40F1-B9CE-EFAA956AE6D3}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{76C82221-C539-40F1-B9CE-EFAA956AE6D3}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{76C82221-C539-40F1-B9CE-EFAA956AE6D3} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{76C82221-C539-40F1-B9CE-EFAA956AE6D3}\TypeLib\ = "{76C82228-C539-40F1-B9CE-EFAA956AE6D3}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{76C82221-C539-40F1-B9CE-EFAA956AE6D3}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{76C82221-C539-40F1-B9CE-EFAA956AE6D3}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{76C82222-C539-40F1-B9CE-EFAA956AE6D3}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{76C82228-C539-40F1-B9CE-EFAA956AE6D3}\1.0\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{76C82221-C539-40F1-B9CE-EFAA956AE6D3}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{76C82221-C539-40F1-B9CE-EFAA956AE6D3}\ = "IIEHlprObj" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer\ = "IEHlprObj.IEHlprObj.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{76C82222-C539-40F1-B9CE-EFAA956AE6D3}\ = "IEHlprObj Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{76C82228-C539-40F1-B9CE-EFAA956AE6D3} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{76C82228-C539-40F1-B9CE-EFAA956AE6D3}\1.0\0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{76C82228-C539-40F1-B9CE-EFAA956AE6D3}\1.0\HELPDIR regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{76C82222-C539-40F1-B9CE-EFAA956AE6D3} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{76C82222-C539-40F1-B9CE-EFAA956AE6D3}\ProgID\ = "IEHlprObj.IEHlprObj.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{76C82222-C539-40F1-B9CE-EFAA956AE6D3}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{76C82222-C539-40F1-B9CE-EFAA956AE6D3}\InprocServer32 regsvr32.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2464 regsvr32.exe 2464 regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2776 wrote to memory of 2464 2776 regsvr32.exe 30 PID 2776 wrote to memory of 2464 2776 regsvr32.exe 30 PID 2776 wrote to memory of 2464 2776 regsvr32.exe 30 PID 2776 wrote to memory of 2464 2776 regsvr32.exe 30 PID 2776 wrote to memory of 2464 2776 regsvr32.exe 30 PID 2776 wrote to memory of 2464 2776 regsvr32.exe 30 PID 2776 wrote to memory of 2464 2776 regsvr32.exe 30
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\65d3c7a946676761f9b1860bc3ec4399_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2776 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\65d3c7a946676761f9b1860bc3ec4399_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
PID:2464
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