Analysis
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max time kernel
138s -
max time network
122s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
20-06-2024 08:03
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
0437b07b56eedd31314409d62f44735e_JaffaCakes118.dll
Resource
win7-20240611-en
4 signatures
150 seconds
General
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Target
0437b07b56eedd31314409d62f44735e_JaffaCakes118.dll
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Size
52KB
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MD5
0437b07b56eedd31314409d62f44735e
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SHA1
9f0af0e73d3b605528ef2a733213aa7baed5ef8f
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SHA256
5e7721cc23af98b844845a05065562275d76624d94a7451476e07ab1d955bb5d
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SHA512
cb81da3759fbcf7726b47f06e9cb9cc85ab3e826d455359149661fb7629d745cabf55ba4e50a1d010726887d0a259c9054532d62da537df57f6c55a73d3fc979
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SSDEEP
1536:geVKRLhone/6s+4yB5jeDlsT9RjapCf9va:gqneiDBjeRs9fB
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.
Processes:
regsvr32.exedescription 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 -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1832 2668 WerFault.exe regsvr32.exe -
Processes:
regsvr32.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\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-1-5-21-200405930-3877336739-3533750831-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{6C08444C-B736-4C01-99A8-4CC9E59A9BC9}\DisplayName = "Google" regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\Software\Microsoft\Internet Explorer\SearchScopes regsvr32.exe Set value (str) \REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\DefaultScope = "{20C3857E-3A7A-48FF-8C16-8BAFFDF5EE77}" regsvr32.exe Key deleted \REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A} regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\Software\Microsoft\Internet Explorer\SearchScopes\{20C3857E-3A7A-48FF-8C16-8BAFFDF5EE77} regsvr32.exe Set value (str) \REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{20C3857E-3A7A-48FF-8C16-8BAFFDF5EE77}\DisplayName = "°Ù¶È" regsvr32.exe Set value (str) \REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\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-1-5-21-200405930-3877336739-3533750831-1000\Software\Microsoft\Internet Explorer\SearchScopes\{6C08444C-B736-4C01-99A8-4CC9E59A9BC9} regsvr32.exe Set value (str) \REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{6C08444C-B736-4C01-99A8-4CC9E59A9BC9}\URL = "http://www.gggdu.com/google?q={searchTerms}" regsvr32.exe -
Modifies registry class 12 IoCs
Processes:
regsvr32.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7BA4C38C-6BE5-4F3C-980B-CEB48A777413}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7BA4C38C-6BE5-4F3C-980B-CEB48A777413}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0437b07b56eedd31314409d62f44735e_JaffaCakes118.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}\DefaultIcon regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7BA4C38C-6BE5-4F3C-980B-CEB48A777413} 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 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\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}\Shell\OpenHomePage regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
regsvr32.exedescription pid process target process PID 3600 wrote to memory of 2668 3600 regsvr32.exe regsvr32.exe PID 3600 wrote to memory of 2668 3600 regsvr32.exe regsvr32.exe PID 3600 wrote to memory of 2668 3600 regsvr32.exe regsvr32.exe
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\0437b07b56eedd31314409d62f44735e_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:3600 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\0437b07b56eedd31314409d62f44735e_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies Internet Explorer settings
- Modifies registry class
PID:2668 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2668 -s 8843⤵
- Program crash
PID:1832
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2668 -ip 26681⤵PID:608