Analysis
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max time kernel
137s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
14-08-2024 12:25
Static task
static1
Behavioral task
behavioral1
Sample
96178e6521238dcbd5d5e95fd0580092_JaffaCakes118.dll
Resource
win7-20240705-en
General
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Target
96178e6521238dcbd5d5e95fd0580092_JaffaCakes118.dll
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Size
116KB
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MD5
96178e6521238dcbd5d5e95fd0580092
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SHA1
b0c29ab6b8e03695b42a3d310cfd1b4ec4f61e5f
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SHA256
d704286c5a9288b7a2e4fa05faa64f66895d50cd52bf5ed240bd2267205e98e4
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SHA512
377af50b728df36ff6ee405df98ea8a25498c54790e7fe97ddbfbdf817954f6bfbc70c593cc95a907b4cf78867be09a71079dfb7d2c9dba9e74e61e9ea5b31fa
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SSDEEP
3072:CNL8INQ4fv7Tqo76IbghkCidj8DadlZ70UTh6Vq6hWpW3vTHl6mmoh2s:CNFWAtvTh+q6hWg3jlPPV
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\{BF50AC63-19DA-487E-AD4A-0B452D823B59} 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 created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Version Vector\ regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\ regsvr32.exe Set value (int) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\WarnOnClose = "0" regsvr32.exe -
Modifies registry class 49 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\SJBC = "301" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\FSHS = "0" regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\VersionIndependentProgID\ = "IEHlprObj.IEHlprObj" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4645A0E0-7B59-439A-BB73-D4159321E09B}\1.0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4645A0E0-7B59-439A-BB73-D4159321E09B}\1.0\HELPDIR regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4645A0E0-7B59-439A-BB73-D4159321E09B}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\96178e6521238dcbd5d5e95fd0580092_JaffaCakes118.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C86B82BE-3E84-4F71-8323-F12BB71D9CB2}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C86B82BE-3E84-4F71-8323-F12BB71D9CB2}\TypeLib\ = "{4645A0E0-7B59-439A-BB73-D4159321E09B}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID\ = "{BF50AC63-19DA-487E-AD4A-0B452D823B59}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4645A0E0-7B59-439A-BB73-D4159321E09B}\1.0\ = "QuickFlash 1.0 Type Library" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C86B82BE-3E84-4F71-8323-F12BB71D9CB2} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\ = "BrowserPanel" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4645A0E0-7B59-439A-BB73-D4159321E09B}\1.0\FLAGS regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C86B82BE-3E84-4F71-8323-F12BB71D9CB2}\TypeLib\ = "{4645A0E0-7B59-439A-BB73-D4159321E09B}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4645A0E0-7B59-439A-BB73-D4159321E09B}\1.0\FLAGS\ = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4645A0E0-7B59-439A-BB73-D4159321E09B}\1.0\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4645A0E0-7B59-439A-BB73-D4159321E09B}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C86B82BE-3E84-4F71-8323-F12BB71D9CB2}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C86B82BE-3E84-4F71-8323-F12BB71D9CB2}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0E5CBF21-D15F-11d0-8301-00AA005B4383}\InProcServer32\ regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\BLOD = "1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\VersionIndependentProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4645A0E0-7B59-439A-BB73-D4159321E09B} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4645A0E0-7B59-439A-BB73-D4159321E09B}\1.0\0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C86B82BE-3E84-4F71-8323-F12BB71D9CB2}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer\ = "IEHlprObj.IEHlprObj.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\ProgID\ = "IEHlprObj.IEHlprObj.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\ = "QuickFlash" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C86B82BE-3E84-4F71-8323-F12BB71D9CB2}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C86B82BE-3E84-4F71-8323-F12BB71D9CB2}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\ regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C86B82BE-3E84-4F71-8323-F12BB71D9CB2}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\96178e6521238dcbd5d5e95fd0580092_JaffaCakes118.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C86B82BE-3E84-4F71-8323-F12BB71D9CB2}\ = "IIEHlprObj" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C86B82BE-3E84-4F71-8323-F12BB71D9CB2}\TypeLib\Version = "1.0" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\CUDA = "6292" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\Programmable regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\ = "BrowserPanel" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C86B82BE-3E84-4F71-8323-F12BB71D9CB2} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C86B82BE-3E84-4F71-8323-F12BB71D9CB2}\ = "IIEHlprObj" regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4976 wrote to memory of 1080 4976 regsvr32.exe 84 PID 4976 wrote to memory of 1080 4976 regsvr32.exe 84 PID 4976 wrote to memory of 1080 4976 regsvr32.exe 84
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\96178e6521238dcbd5d5e95fd0580092_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:4976 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\96178e6521238dcbd5d5e95fd0580092_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Modifies registry class
PID:1080
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