Analysis
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max time kernel
117s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
01-10-2024 07:34
Static task
static1
Behavioral task
behavioral1
Sample
04dfd99228ae3335ccf4c85649689788_JaffaCakes118.dll
Resource
win7-20240903-en
General
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Target
04dfd99228ae3335ccf4c85649689788_JaffaCakes118.dll
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Size
192KB
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MD5
04dfd99228ae3335ccf4c85649689788
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SHA1
a7333ee31a3017a642c5c4e0f6582623021f635c
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SHA256
b81ee118b280d3c8fc7dcdde5c3105c14f98d87149f5e5b5c8131cb564ac97c0
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SHA512
19ad32765db4eee9ded40761bf38a14e8a00a20da2279f0f6b7d2898436bc054961ddd4c4271b157c74a4da9721e27e5ae8baed97c959206a11db43761c3f10c
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SSDEEP
3072:p9NkAs3vNMzIduJ0fUq1mp5WeT9u7dlHsNr/r:HNkAsFSlqYjWH7O
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.
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108} 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 Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Extensions\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\ClsidExtension = "{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Extensions\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\MenuStatusBar = "Chinese Navigation" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Extensions\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Extensions\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\MenuStatusBar = "ÖÐÎÄÉÏÍøÉèÖÃ" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Extensions\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\HotIcon = "C:\\Users\\Admin\\AppData\\Local\\Temp\\04DFD9~1.DLL,204" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Extensions\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\Icon = "C:\\Users\\Admin\\AppData\\Local\\Temp\\04DFD9~1.DLL,204" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Extensions\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\CLSID = "{1FBA04EE-3024-11d2-8F1F-0000F87ABD16}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Extensions\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\Default Visible = "Yes" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Extensions\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\ButtonText = "ÖÐÎÄÉÏÍø" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Extensions\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\MenuText = "ÖÐÎÄÉÏÍø" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Extensions\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\ButtonText = "Chinese Navigation" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Extensions\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\MenuText = "Chinese Navigation" regsvr32.exe -
Modifies registry class 42 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5C3853CE-C7E0-4946-B3FA-1ABDB6F48108}\1.0\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5C3853CD-C7E0-4946-B3FA-1ABDB6F48108}\ = "IIEHlprObj" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5C3853CD-C7E0-4946-B3FA-1ABDB6F48108}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5C3853CD-C7E0-4946-B3FA-1ABDB6F48108}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CdnForIE.IEHlprObj\CurVer\ = "CndForIE.IEHlprObj.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\VersionIndependentProgID\ = "CdnForIE.IEHlprObj" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{5C3853CD-C7E0-4946-B3FA-1ABDB6F48108} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\ProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\VersionIndependentProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5C3853CE-C7E0-4946-B3FA-1ABDB6F48108}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\04dfd99228ae3335ccf4c85649689788_JaffaCakes118.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CdnForIE.IEHlprObj\CurVer regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5C3853CE-C7E0-4946-B3FA-1ABDB6F48108}\1.0\ = "CdnForIE 1.0 Type Library" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{5C3853CD-C7E0-4946-B3FA-1ABDB6F48108}\ = "IIEHlprObj" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5C3853CD-C7E0-4946-B3FA-1ABDB6F48108} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CdnForIE.IEHlprObj.1\ = "CndForIE Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CdnForIE.IEHlprObj regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CdnForIE.IEHlprObj\ = "CndForIE Class" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{5C3853CD-C7E0-4946-B3FA-1ABDB6F48108}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5C3853CD-C7E0-4946-B3FA-1ABDB6F48108}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5C3853CD-C7E0-4946-B3FA-1ABDB6F48108}\TypeLib\ = "{5C3853CE-C7E0-4946-B3FA-1ABDB6F48108}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\ProgID\ = "CndForIE.IEHlprObj.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5C3853CE-C7E0-4946-B3FA-1ABDB6F48108}\1.0\FLAGS\ = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5C3853CE-C7E0-4946-B3FA-1ABDB6F48108}\1.0\0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5C3853CE-C7E0-4946-B3FA-1ABDB6F48108}\1.0\FLAGS regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5C3853CD-C7E0-4946-B3FA-1ABDB6F48108}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CdnForIE.IEHlprObj.1\CLSID\ = "{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5C3853CE-C7E0-4946-B3FA-1ABDB6F48108}\1.0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\04DFD9~1.DLL" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{5C3853CD-C7E0-4946-B3FA-1ABDB6F48108}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{5C3853CD-C7E0-4946-B3FA-1ABDB6F48108}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5C3853CE-C7E0-4946-B3FA-1ABDB6F48108}\1.0\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5C3853CE-C7E0-4946-B3FA-1ABDB6F48108}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{5C3853CD-C7E0-4946-B3FA-1ABDB6F48108}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{5C3853CD-C7E0-4946-B3FA-1ABDB6F48108}\TypeLib\ = "{5C3853CE-C7E0-4946-B3FA-1ABDB6F48108}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CdnForIE.IEHlprObj.1\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\ = "CdnForIE Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5C3853CE-C7E0-4946-B3FA-1ABDB6F48108} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CdnForIE.IEHlprObj.1 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108} regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1916 wrote to memory of 2388 1916 regsvr32.exe 30 PID 1916 wrote to memory of 2388 1916 regsvr32.exe 30 PID 1916 wrote to memory of 2388 1916 regsvr32.exe 30 PID 1916 wrote to memory of 2388 1916 regsvr32.exe 30 PID 1916 wrote to memory of 2388 1916 regsvr32.exe 30 PID 1916 wrote to memory of 2388 1916 regsvr32.exe 30 PID 1916 wrote to memory of 2388 1916 regsvr32.exe 30
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\04dfd99228ae3335ccf4c85649689788_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:1916 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\04dfd99228ae3335ccf4c85649689788_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Modifies registry class
PID:2388
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