Analysis
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max time kernel
16s -
max time network
17s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
20-01-2025 09:20
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
JaffaCakes118_e2c933079e32fe49870efb4fcaba89a9.dll
Resource
win7-20240729-en
5 signatures
150 seconds
General
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Target
JaffaCakes118_e2c933079e32fe49870efb4fcaba89a9.dll
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Size
52KB
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MD5
e2c933079e32fe49870efb4fcaba89a9
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SHA1
51f7134abeefbc50e2983cb49970ff6deb50286e
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SHA256
1dcf315cab39db253651b627d34193663e6f5a84b1a306c972cc7939b43af5b8
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SHA512
3ad05ff771a3f5ec0ea1ef00761cce49407d20e3c3c9b35ce3d55378a2301927b448aae7d0214376b8b13d98bafbe62d203935cabe35de4c6717e7d7383dbab3
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SSDEEP
1536:91VsNSzRHje7OlC/ZRrIK6tIm0WiKgdnF4t:9AERHjmcH0WizP4
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\{7BA4C38C-6BE5-4F3C-980B-CEB48A777413} regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{7BA4C38C-6BE5-4F3C-980B-CEB48A777413}\NoExplorer = "1" regsvr32.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32.exe -
description ioc Process Key deleted \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A} regsvr32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Internet Explorer\SearchScopes\{20C3857E-3A7A-48FF-8C16-8BAFFDF5EE77}\DisplayName = "°Ù¶È" regsvr32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\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 (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Internet Explorer\SearchScopes\{6C08444C-B736-4C01-99A8-4CC9E59A9BC9} regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Internet Explorer\SearchScopes\{20C3857E-3A7A-48FF-8C16-8BAFFDF5EE77} regsvr32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Internet Explorer\SearchScopes\{6C08444C-B736-4C01-99A8-4CC9E59A9BC9}\DisplayName = "Google" regsvr32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Internet Explorer\SearchScopes regsvr32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Internet Explorer\SearchScopes\DefaultScope = "{20C3857E-3A7A-48FF-8C16-8BAFFDF5EE77}" regsvr32.exe -
Modifies registry class 12 IoCs
description ioc Process 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 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\{7BA4C38C-6BE5-4F3C-980B-CEB48A777413}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7BA4C38C-6BE5-4F3C-980B-CEB48A777413} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7BA4C38C-6BE5-4F3C-980B-CEB48A777413}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\JaffaCakes118_e2c933079e32fe49870efb4fcaba89a9.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 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}\DefaultIcon regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1364 wrote to memory of 2780 1364 regsvr32.exe 30 PID 1364 wrote to memory of 2780 1364 regsvr32.exe 30 PID 1364 wrote to memory of 2780 1364 regsvr32.exe 30 PID 1364 wrote to memory of 2780 1364 regsvr32.exe 30 PID 1364 wrote to memory of 2780 1364 regsvr32.exe 30 PID 1364 wrote to memory of 2780 1364 regsvr32.exe 30 PID 1364 wrote to memory of 2780 1364 regsvr32.exe 30
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e2c933079e32fe49870efb4fcaba89a9.dll1⤵
- Suspicious use of WriteProcessMemory
PID:1364 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e2c933079e32fe49870efb4fcaba89a9.dll2⤵
- Installs/modifies Browser Helper Object
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Modifies registry class
PID:2780
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