Analysis
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max time kernel
120s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
23/07/2024, 12:17
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
678f6b4a5b0dfdb37994d4b7172c5a93_JaffaCakes118.dll
Resource
win7-20240708-en
windows7-x64
4 signatures
150 seconds
General
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Target
678f6b4a5b0dfdb37994d4b7172c5a93_JaffaCakes118.dll
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Size
52KB
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MD5
678f6b4a5b0dfdb37994d4b7172c5a93
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SHA1
00ca7a0a0327e9281772566323103eb465e0cb9a
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SHA256
35b26a6a2525ac4c276eb91461cd125971f3d16fb3811a3c02b639def0067ea7
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SHA512
e5ac56c9a3ba291753624863262c8a23dad5e25a6e67dd4cf8a7929a2ded7a463a1f121af73949e529c82c6f3d1576ab9c110c6c7729116e6c3314959c94ab8e
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SSDEEP
768:4JROLP8p6GwUWb2tcw7pkmPZjqX9hzoba5GZbSHemUX/Er1VsriBlO0BBb9SZUOI:4nOLP91wvA35GJSHlU8HsGlOM0U
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 Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{567BEB4E-32FA-433E-95FB-C1E6C70E7261}\NoExplorer = "1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{567BEB4E-32FA-433E-95FB-C1E6C70E7261} regsvr32.exe -
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Internet Explorer\SearchScopes\{6C08444C-B736-4C01-99A8-4CC9E59A9BC9}\DisplayName = "Google" regsvr32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Internet Explorer\SearchScopes\{6C08444C-B736-4C01-99A8-4CC9E59A9BC9}\URL = "http://www.gggdu.com/google?q={searchTerms}" regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Internet Explorer\SearchScopes\{20C3857E-3A7A-48FF-8C16-8BAFFDF5EE77} regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Internet Explorer\SearchScopes\{6C08444C-B736-4C01-99A8-4CC9E59A9BC9} regsvr32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Internet Explorer\SearchScopes\DefaultScope = "{20C3857E-3A7A-48FF-8C16-8BAFFDF5EE77}" regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser regsvr32.exe Set value (data) \REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser\ITBarLayout = 110000000000000000000000040000001f0000000000000001000000000000000000000005000000000400000000000002000000010000000000000004000000a100000000000000030000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 regsvr32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Internet Explorer\SearchScopes\{20C3857E-3A7A-48FF-8C16-8BAFFDF5EE77}\DisplayName = "°Ù¶È" regsvr32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Internet Explorer\SearchScopes\{20C3857E-3A7A-48FF-8C16-8BAFFDF5EE77}\SuggestionsURL_JSON = "http://suggestion.baidu.com/su?wd={searchTerms}&action=opensearch&ie=utf-8&from=ie8" regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Internet Explorer\SearchScopes regsvr32.exe Key deleted \REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A} regsvr32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Internet Explorer\SearchScopes\{20C3857E-3A7A-48FF-8C16-8BAFFDF5EE77}\URL = "http://www.baidu.com/s?tn=leizhen_dg&ie=utf-8&wd={searchTerms}" regsvr32.exe Set value (data) \REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser\ITBar7Layout = 130000000000000000000000040000001f0000000000000001000000000000000000000005000000000400000000000002000000010000000000000004000000a100000000000000030000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 regsvr32.exe -
Modifies registry class 11 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}\Shell regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}\shell\OpenHomePage regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}\shell\OpenHomePage\Command regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{567BEB4E-32FA-433E-95FB-C1E6C70E7261} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{567BEB4E-32FA-433E-95FB-C1E6C70E7261}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\678f6b4a5b0dfdb37994d4b7172c5a93_JaffaCakes118.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}\Shell\OpenHomePage\Command regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}\Shell\OpenHomePage regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{567BEB4E-32FA-433E-95FB-C1E6C70E7261}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID regsvr32.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 2384 wrote to memory of 2160 2384 regsvr32.exe 30 PID 2384 wrote to memory of 2160 2384 regsvr32.exe 30 PID 2384 wrote to memory of 2160 2384 regsvr32.exe 30 PID 2384 wrote to memory of 2160 2384 regsvr32.exe 30 PID 2384 wrote to memory of 2160 2384 regsvr32.exe 30 PID 2384 wrote to memory of 2160 2384 regsvr32.exe 30 PID 2384 wrote to memory of 2160 2384 regsvr32.exe 30 PID 2160 wrote to memory of 1328 2160 regsvr32.exe 31 PID 2160 wrote to memory of 1328 2160 regsvr32.exe 31 PID 2160 wrote to memory of 1328 2160 regsvr32.exe 31 PID 2160 wrote to memory of 1328 2160 regsvr32.exe 31 PID 2160 wrote to memory of 1328 2160 regsvr32.exe 31 PID 2160 wrote to memory of 1328 2160 regsvr32.exe 31 PID 2160 wrote to memory of 1328 2160 regsvr32.exe 31
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\678f6b4a5b0dfdb37994d4b7172c5a93_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2384 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\678f6b4a5b0dfdb37994d4b7172c5a93_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2160 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\system32\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\678f6b4a5b0dfdb37994d4b7172c5a93_JaffaCakes118.dll",DllGetObjectType3⤵PID:1328
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