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Analysis
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max time kernel
151s -
max time network
133s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
23/07/2024, 20:43
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
68db993d1b23fbce4b71ad8c05e8cfaf_JaffaCakes118.dll
Resource
win7-20240704-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
68db993d1b23fbce4b71ad8c05e8cfaf_JaffaCakes118.dll
Resource
win10v2004-20240709-en
windows10-2004-x64
2 signatures
150 seconds
General
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Target
68db993d1b23fbce4b71ad8c05e8cfaf_JaffaCakes118.dll
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Size
39KB
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MD5
68db993d1b23fbce4b71ad8c05e8cfaf
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SHA1
8d49e8e4bef7abb1823f10372ad7e6fddb781f51
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SHA256
ed880df7c3671bf062e5f265a4589eb9ea0b8bc4eefbbfb68ae397f3efaa350a
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SHA512
b44414d7d47bae45513180c2beaab87783c388ac222f834f30edd1bffb11e491481158e9e2868376459d2253dc2cbe992fbb196948f375573363b15606740b8e
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SSDEEP
768:deYGrQrbhLX5iq0vPdz2lo1uYJju+gutmpwf+kL:dehrsFLX8xvPIa1NjJXm6t
Score
7/10
Malware Config
Signatures
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Loads dropped DLL 4 IoCs
pid Process 2688 rundll32.exe 2688 rundll32.exe 2688 rundll32.exe 2688 rundll32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\sp = "rundll32 C:\\Users\\Admin\\AppData\\Local\\Temp\\se.dll,DllInstall" rundll32.exe -
Installs/modifies Browser Helper Object 2 TTPs 1 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\{96CEC0A0-4210-49FC-A3AA-B12843BE6CCB} regsvr32.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\Main\Use Custom Search URL = "1" regsvr32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\Search\SearchAssistant = "about:blank" regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\New Windows regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\HOMEOldSP = "about:blank" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\Use Search Asst = "no" regsvr32.exe Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Internet Explorer\New Windows regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\New Windows\PopupMgr = "no" regsvr32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\Main\Use Search Asst = "no" regsvr32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\Main\Search Bar = "res://C:\\Users\\Admin\\AppData\\Local\\Temp\\se.dll/spage.html" regsvr32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\Main\Search Page = "about:blank" regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\Search regsvr32.exe Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Internet Explorer\Main regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\Search Page = "about:blank" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\Use Custom Search URL = "1" regsvr32.exe Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Internet Explorer\Search regsvr32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\Main\HOMEOldSP = "about:blank" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Search\SearchAssistant = "about:blank" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\Search Bar = "res://C:\\Users\\Admin\\AppData\\Local\\Temp\\se.dll/spage.html" regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\Main regsvr32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\New Windows\PopupMgr = "no" regsvr32.exe -
Modifies Internet Explorer start page 1 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\Start Page = "about:blank" regsvr32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\Main\Start Page = "about:blank" regsvr32.exe -
Modifies registry class 14 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{582DF828-CB44-4861-8FEC-6654A7929DCA}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\68db993d1b23fbce4b71ad8c05e8cfaf_JaffaCakes118.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\PROTOCOLS\Filter\text/plain\CLSID = "{582DF828-CB44-4861-8FEC-6654A7929DCA}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{582DF828-CB44-4861-8FEC-6654A7929DCA} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{96CEC0A0-4210-49FC-A3AA-B12843BE6CCB}\InProcServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{96CEC0A0-4210-49FC-A3AA-B12843BE6CCB}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\68db993d1b23fbce4b71ad8c05e8cfaf_JaffaCakes118.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\PROTOCOLS\Filter\text/plain regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{96CEC0A0-4210-49FC-A3AA-B12843BE6CCB} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{96CEC0A0-4210-49FC-A3AA-B12843BE6CCB}\InProcServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{582DF828-CB44-4861-8FEC-6654A7929DCA}\InProcServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{582DF828-CB44-4861-8FEC-6654A7929DCA}\InProcServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\PROTOCOLS\Filter\text/html regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\PROTOCOLS\Filter\text/html\CLSID = "{582DF828-CB44-4861-8FEC-6654A7929DCA}" regsvr32.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 2732 wrote to memory of 2812 2732 regsvr32.exe 30 PID 2732 wrote to memory of 2812 2732 regsvr32.exe 30 PID 2732 wrote to memory of 2812 2732 regsvr32.exe 30 PID 2732 wrote to memory of 2812 2732 regsvr32.exe 30 PID 2732 wrote to memory of 2812 2732 regsvr32.exe 30 PID 2732 wrote to memory of 2812 2732 regsvr32.exe 30 PID 2732 wrote to memory of 2812 2732 regsvr32.exe 30 PID 2812 wrote to memory of 2688 2812 regsvr32.exe 31 PID 2812 wrote to memory of 2688 2812 regsvr32.exe 31 PID 2812 wrote to memory of 2688 2812 regsvr32.exe 31 PID 2812 wrote to memory of 2688 2812 regsvr32.exe 31 PID 2812 wrote to memory of 2688 2812 regsvr32.exe 31 PID 2812 wrote to memory of 2688 2812 regsvr32.exe 31 PID 2812 wrote to memory of 2688 2812 regsvr32.exe 31
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\68db993d1b23fbce4b71ad8c05e8cfaf_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2732 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\68db993d1b23fbce4b71ad8c05e8cfaf_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Modifies Internet Explorer start page
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2812 -
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Local\Temp\se.dll,DllInstall3⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
PID:2688
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
18KB
MD51b2c38aa1856c294b37ac2f56521cb8f
SHA1e2ff5777bea613ba20fe4295bfd8eaf6d910d00c
SHA256efd557516e52bad0fc6ea0daf9bc97ec88dace26d4bb73a5ed4780071da746af
SHA512224c5398d0b427f32d284b0f2eb82b9b3ea0a8b72c5ef4f6b6de3da8e437be40b8ce64232fd995ddb0858b77735df2df274bec571d9f4ad00a009e89a062a289