Analysis
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max time kernel
118s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240419-en -
resource tags
arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system -
submitted
22-06-2024 11:31
Static task
static1
Behavioral task
behavioral1
Sample
01ee4f79e55751d99447a835503da7d3_JaffaCakes118.dll
Resource
win7-20240419-en
3 signatures
150 seconds
General
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Target
01ee4f79e55751d99447a835503da7d3_JaffaCakes118.dll
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Size
123KB
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MD5
01ee4f79e55751d99447a835503da7d3
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SHA1
9bbf6adfa0ac3c0ad1046fe0d3f1be1178ca24c9
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SHA256
1a3744c528563018905f72c6f2dc769ee3ea83b568ffd780065e22fdaebafd70
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SHA512
0bccd8ec53fb66b6039f469ff849449d06bc03ce6e1401410b73c0e31a2027922d424c86e3ec14bf65da089f25397c5636e71c5f6873a1859986475260411a0e
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SSDEEP
3072:SNG0ZeC/azzmWxd/mZQA3li46eqtEGrHQgnG:KtzyKYJmmAweYrc
Malware Config
Signatures
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Installs/modifies Browser Helper Object 2 TTPs 2 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\{38D0891A-FC61-Bc53-7723-61F5E5B9B711} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{38D0891A-FC61-Bc53-7723-61F5E5B9B711}\ = "CloudExs30003APIClass Helper" regsvr32.exe -
Modifies registry class 46 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{38D0891A-FC61-Bc53-7723-61F5E5B9B711}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs30003BHO.CloudExs30003APIClass\ = "CloudExs30003APIClass Class" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{38D0891A-FC61-Bc53-7723-61F5E5B9B711}\VersionIndependentProgID\ = "CloudExs30003BHO.CloudExs30003APIClass" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{38D0891A-FC61-Bc53-7723-61F5E5B9B711}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\01ee4f79e55751d99447a835503da7d3_JaffaCakes118.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{28D0891A-FC61-BC53-7723-61F5E5B9B711}\1.0\0\win32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{18D0891A-FC61-BC53-7723-61F5E5B9B711}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs30003BHO.CloudExs30003APIClass\CurVer regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs30003BHO.CloudExs30003APIClass\CurVer\ = "CloudExs30003BHO.CloudExs30003APIClass.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{38D0891A-FC61-Bc53-7723-61F5E5B9B711}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{28D0891A-FC61-BC53-7723-61F5E5B9B711} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{28D0891A-FC61-BC53-7723-61F5E5B9B711}\1.0\FLAGS\ = "0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{18D0891A-FC61-BC53-7723-61F5E5B9B711}\TypeLib\ = "{28D0891A-FC61-BC53-7723-61F5E5B9B711}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs30003BHO.CloudExs30003APIClass.1 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{38D0891A-FC61-Bc53-7723-61F5E5B9B711}\ = "CloudWeb Web3.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{38D0891A-FC61-Bc53-7723-61F5E5B9B711}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{18D0891A-FC61-BC53-7723-61F5E5B9B711}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{38D0891A-FC61-Bc53-7723-61F5E5B9B711} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{28D0891A-FC61-BC53-7723-61F5E5B9B711}\1.0\ = "CloudExs30003APIClass 1.0 Type Library" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{18D0891A-FC61-BC53-7723-61F5E5B9B711}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{18D0891A-FC61-BC53-7723-61F5E5B9B711}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs30003BHO.CloudExs30003APIClass.1\CLSID\ = "{38D0891A-FC61-Bc53-7723-61F5E5B9B711}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{28D0891A-FC61-BC53-7723-61F5E5B9B711}\1.0\FLAGS regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{28D0891A-FC61-BC53-7723-61F5E5B9B711}\1.0\0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{38D0891A-FC61-Bc53-7723-61F5E5B9B711}\TypeLib\ = "{28D0891A-FC61-Bc53-7723-61F5E5B9B711}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{28D0891A-FC61-BC53-7723-61F5E5B9B711}\1.0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{28D0891A-FC61-BC53-7723-61F5E5B9B711}\1.0\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{28D0891A-FC61-BC53-7723-61F5E5B9B711}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{18D0891A-FC61-BC53-7723-61F5E5B9B711} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs30003BHO.CloudExs30003APIClass.1\ = "CloudExs30003APIClass Class" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{38D0891A-FC61-Bc53-7723-61F5E5B9B711}\ProgID\ = "CloudExs30003BHO.CloudExs30003APIClass.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{38D0891A-FC61-Bc53-7723-61F5E5B9B711}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{18D0891A-FC61-BC53-7723-61F5E5B9B711}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{18D0891A-FC61-BC53-7723-61F5E5B9B711}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{18D0891A-FC61-BC53-7723-61F5E5B9B711}\TypeLib\ = "{28D0891A-FC61-BC53-7723-61F5E5B9B711}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{38D0891A-FC61-Bc53-7723-61F5E5B9B711}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{18D0891A-FC61-BC53-7723-61F5E5B9B711}\ = "ICloudExs30003API" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{18D0891A-FC61-BC53-7723-61F5E5B9B711}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs30003BHO.CloudExs30003APIClass.1\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs30003BHO.CloudExs30003APIClass regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs30003BHO.CloudExs30003APIClass\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{18D0891A-FC61-BC53-7723-61F5E5B9B711} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{18D0891A-FC61-BC53-7723-61F5E5B9B711}\ = "ICloudExs30003API" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{18D0891A-FC61-BC53-7723-61F5E5B9B711}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs30003BHO.CloudExs30003APIClass\CLSID\ = "{38D0891A-FC61-Bc53-7723-61F5E5B9B711}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{38D0891A-FC61-Bc53-7723-61F5E5B9B711}\VersionIndependentProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{28D0891A-FC61-BC53-7723-61F5E5B9B711}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\01ee4f79e55751d99447a835503da7d3_JaffaCakes118.dll" regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 3012 wrote to memory of 2124 3012 regsvr32.exe 28 PID 3012 wrote to memory of 2124 3012 regsvr32.exe 28 PID 3012 wrote to memory of 2124 3012 regsvr32.exe 28 PID 3012 wrote to memory of 2124 3012 regsvr32.exe 28 PID 3012 wrote to memory of 2124 3012 regsvr32.exe 28 PID 3012 wrote to memory of 2124 3012 regsvr32.exe 28 PID 3012 wrote to memory of 2124 3012 regsvr32.exe 28
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\01ee4f79e55751d99447a835503da7d3_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:3012 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\01ee4f79e55751d99447a835503da7d3_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:2124
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