Analysis
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max time kernel
51s -
max time network
51s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
20-06-2024 07:44
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
04205643c7ef8b8cbcb1f8d4d83301d1_JaffaCakes118.dll
Resource
win7-20240508-en
4 signatures
150 seconds
General
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Target
04205643c7ef8b8cbcb1f8d4d83301d1_JaffaCakes118.dll
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Size
304KB
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MD5
04205643c7ef8b8cbcb1f8d4d83301d1
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SHA1
a640abf452dc1f647afa93fa5d005af9e6a0ac67
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SHA256
303c52ec41e05a71f1d50de5fe5ee8b7f64eb9a9e9a3b23eb9e0bfd5da5e2fd1
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SHA512
a1b3cc107a63709eb2ff97a03d55e109e19934fee20f650f29d9d33f9ca515bcbd9d828542e20d0f8bcf39266f96a5a27c9005ef8834b944cb240954c7ffec7a
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SSDEEP
3072:Myn1W1+QD1rHq+WHj5IDDqi6SP5WtiktlcFXkzjFjy1FN3gqWwOcFXkzjFjy1FNQ:B8hHq+dPqiFh1kDcFkRYFN8cFkRYFN
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.
Processes:
regsvr32.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{22F2BA5F-A735-4D7B-9481-A6225DCC168B} regsvr32.exe -
Processes:
regsvr32.exedescription ioc process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Internet Explorer\Toolbar regsvr32.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Toolbar\{A3735503-8EAB-49D5-82E1-A25AEE94EEE0} regsvr32.exe -
Modifies registry class 64 IoCs
Processes:
regsvr32.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3699014C-021D-4E03-A2E4-49697E14F2D6}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3699014C-021D-4E03-A2E4-49697E14F2D6}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4F7E52AE-AAB8-4FA4-B91F-E67A3DF93E03}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4F7E52AE-AAB8-4FA4-B91F-E67A3DF93E03}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DB1FD6C7-3119-49F7-BEF7-9E49CF09BD14} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3699014C-021D-4E03-A2E4-49697E14F2D6}\ = "IToolBar" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A3735503-8EAB-49D5-82E1-A25AEE94EEE0}\Programmable regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{BB36A753-E888-4B31-AFF0-1D9D2B79C6C7}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4F7E52AE-AAB8-4FA4-B91F-E67A3DF93E03}\TypeLib\ = "{DB1FD6C7-3119-49F7-BEF7-9E49CF09BD14}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Pluscashbagnet2.ToolBar\ = "ToolBar Class" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A3735503-8EAB-49D5-82E1-A25AEE94EEE0}\ = "ToolBar Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BB36A753-E888-4B31-AFF0-1D9D2B79C6C7}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4F7E52AE-AAB8-4FA4-B91F-E67A3DF93E03}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A3735503-8EAB-49D5-82E1-A25AEE94EEE0}\TypeLib\ = "{DB1FD6C7-3119-49F7-BEF7-9E49CF09BD14}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3699014C-021D-4E03-A2E4-49697E14F2D6}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DB1FD6C7-3119-49F7-BEF7-9E49CF09BD14}\1.0\0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DB1FD6C7-3119-49F7-BEF7-9E49CF09BD14}\1.0\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DB1FD6C7-3119-49F7-BEF7-9E49CF09BD14}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3699014C-021D-4E03-A2E4-49697E14F2D6}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{BB36A753-E888-4B31-AFF0-1D9D2B79C6C7}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4F7E52AE-AAB8-4FA4-B91F-E67A3DF93E03}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{22F2BA5F-A735-4D7B-9481-A6225DCC168B}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DB1FD6C7-3119-49F7-BEF7-9E49CF09BD14}\1.0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DB1FD6C7-3119-49F7-BEF7-9E49CF09BD14}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\04205643c7ef8b8cbcb1f8d4d83301d1_JaffaCakes118.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3699014C-021D-4E03-A2E4-49697E14F2D6}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{BB36A753-E888-4B31-AFF0-1D9D2B79C6C7}\TypeLib\ = "{DB1FD6C7-3119-49F7-BEF7-9E49CF09BD14}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Pluscashbagnet2.ToolBar\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Pluscashbagnet2.ViewSource.1 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A3735503-8EAB-49D5-82E1-A25AEE94EEE0}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{22F2BA5F-A735-4D7B-9481-A6225DCC168B}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\04205643c7ef8b8cbcb1f8d4d83301d1_JaffaCakes118.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{22F2BA5F-A735-4D7B-9481-A6225DCC168B}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3699014C-021D-4E03-A2E4-49697E14F2D6} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3699014C-021D-4E03-A2E4-49697E14F2D6}\ = "IToolBar" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3699014C-021D-4E03-A2E4-49697E14F2D6}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Pluscashbagnet2.ToolBar regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Pluscashbagnet2.ToolBar\CLSID\ = "{A3735503-8EAB-49D5-82E1-A25AEE94EEE0}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{BB36A753-E888-4B31-AFF0-1D9D2B79C6C7}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{BB36A753-E888-4B31-AFF0-1D9D2B79C6C7}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BB36A753-E888-4B31-AFF0-1D9D2B79C6C7}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4F7E52AE-AAB8-4FA4-B91F-E67A3DF93E03}\ = "IViewSource" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3699014C-021D-4E03-A2E4-49697E14F2D6}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3699014C-021D-4E03-A2E4-49697E14F2D6}\TypeLib\ = "{DB1FD6C7-3119-49F7-BEF7-9E49CF09BD14}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A3735503-8EAB-49D5-82E1-A25AEE94EEE0}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\04205643c7ef8b8cbcb1f8d4d83301d1_JaffaCakes118.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Pluscashbagnet2.ViewSource\CLSID\ = "{22F2BA5F-A735-4D7B-9481-A6225DCC168B}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BB36A753-E888-4B31-AFF0-1D9D2B79C6C7}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4F7E52AE-AAB8-4FA4-B91F-E67A3DF93E03}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A3735503-8EAB-49D5-82E1-A25AEE94EEE0} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BB36A753-E888-4B31-AFF0-1D9D2B79C6C7}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A3735503-8EAB-49D5-82E1-A25AEE94EEE0}\VersionIndependentProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Pluscashbagnet2.ToolBar\CurVer\ = "Pluscashbagnet2.ToolBar.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A3735503-8EAB-49D5-82E1-A25AEE94EEE0}\ProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{22F2BA5F-A735-4D7B-9481-A6225DCC168B}\ProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{22F2BA5F-A735-4D7B-9481-A6225DCC168B}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{22F2BA5F-A735-4D7B-9481-A6225DCC168B}\TypeLib\ = "{DB1FD6C7-3119-49F7-BEF7-9E49CF09BD14}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Pluscashbagnet2.ToolBar.1\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Pluscashbagnet2.ToolBar.1\CLSID\ = "{A3735503-8EAB-49D5-82E1-A25AEE94EEE0}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Pluscashbagnet2.ViewSource\CurVer\ = "Pluscashbagnet2.ViewSource.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{22F2BA5F-A735-4D7B-9481-A6225DCC168B}\ = "ToolBar Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4F7E52AE-AAB8-4FA4-B91F-E67A3DF93E03} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4F7E52AE-AAB8-4FA4-B91F-E67A3DF93E03}\ = "IViewSource" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Pluscashbagnet2.ViewSource\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Pluscashbagnet2.ViewSource\CurVer regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{22F2BA5F-A735-4D7B-9481-A6225DCC168B}\VersionIndependentProgID\ = "Pluscashbagnet2.ViewSource" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BB36A753-E888-4B31-AFF0-1D9D2B79C6C7} regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
regsvr32.exedescription pid process target process PID 1976 wrote to memory of 852 1976 regsvr32.exe regsvr32.exe PID 1976 wrote to memory of 852 1976 regsvr32.exe regsvr32.exe PID 1976 wrote to memory of 852 1976 regsvr32.exe regsvr32.exe
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\04205643c7ef8b8cbcb1f8d4d83301d1_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:1976 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\04205643c7ef8b8cbcb1f8d4d83301d1_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies Internet Explorer settings
- Modifies registry class
PID:852