Analysis
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max time kernel
133s -
max time network
123s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
21-08-2024 14:15
Static task
static1
Behavioral task
behavioral1
Sample
b3ca58276caee1895eec75481740f936_JaffaCakes118.dll
Resource
win7-20240704-en
General
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Target
b3ca58276caee1895eec75481740f936_JaffaCakes118.dll
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Size
158KB
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MD5
b3ca58276caee1895eec75481740f936
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SHA1
e58a29b1e6fa915e9ca47384417b8bd597a28c5f
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SHA256
f46dad4a93860642a5d1bfe726db205ee58d5630cbe1567e3a57ae8df959de52
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SHA512
32aa420d392af828b2ac0c03911ee7d31148c14d893e5a44bb763f753bc98d818911f34ef25a6f7721517a1e4e209f6a56cfa52e11197e6f9cfafdc2d887e763
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SSDEEP
1536:wiwCeNr2XEzoevH6TonA4uaEDBJ/DwaFev3li58giOaEdqItjTF+k5N+qnl3GfMB:wXF6Tonp+8mevHgddtnF+k5N+q5Gubr
Malware Config
Signatures
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Installs/modifies Browser Helper Object 2 TTPs 3 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\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}\ = "ArcadeWeb Gaming Add-on" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}\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 -
Modifies registry class 60 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AWGames.Addon\CLSID\ = "{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2A04A1D0-1969-400E-A53C-6A5433A4B658} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2A04A1D0-1969-400E-A53C-6A5433A4B658}\1.0\FLAGS regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{21C1577D-B190-4F9D-8034-F26DE5F9F3C2}\TypeLib\ = "{2A04A1D0-1969-400E-A53C-6A5433A4B658}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AWGames.Addon\CurVer\ = "AWGames.Addon.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}\ProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{21C1577D-B190-4F9D-8034-F26DE5F9F3C2}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AWGames.Addon\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{21C1577D-B190-4F9D-8034-F26DE5F9F3C2} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{21C1577D-B190-4F9D-8034-F26DE5F9F3C2}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2A04A1D0-1969-400E-A53C-6A5433A4B658}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b3ca58276caee1895eec75481740f936_JaffaCakes118.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B}\TypeLib\ = "{2A04A1D0-1969-400E-A53C-6A5433A4B658}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AWGames.Addon.1\CLSID\ = "{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}\ = "Arcadeweb Gaming Add-on" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2A04A1D0-1969-400E-A53C-6A5433A4B658}\1.0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2A04A1D0-1969-400E-A53C-6A5433A4B658}\1.0\0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AWGames.Addon\ = "Arcadeweb Gaming Add-on" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}\VersionIndependentProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2A04A1D0-1969-400E-A53C-6A5433A4B658}\1.0\ = "ExpExt TLib" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2A04A1D0-1969-400E-A53C-6A5433A4B658}\1.0\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{21C1577D-B190-4F9D-8034-F26DE5F9F3C2}\ = "_IExtensionEvents" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{21C1577D-B190-4F9D-8034-F26DE5F9F3C2}\ = "_IExtensionEvents" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2A04A1D0-1969-400E-A53C-6A5433A4B658}\1.0\FLAGS\ = "0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2A04A1D0-1969-400E-A53C-6A5433A4B658}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{21C1577D-B190-4F9D-8034-F26DE5F9F3C2}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AWGames.Addon regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}\ProgID\ = "AWGames.Addon.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AWGames.Addon\CurVer regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}\VersionIndependentProgID\ = "AWGames.Addon" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{21C1577D-B190-4F9D-8034-F26DE5F9F3C2}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B}\ = "IExtension" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AWGames.Addon.1 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{21C1577D-B190-4F9D-8034-F26DE5F9F3C2}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B}\ = "IExtension" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{21C1577D-B190-4F9D-8034-F26DE5F9F3C2}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{21C1577D-B190-4F9D-8034-F26DE5F9F3C2} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B}\TypeLib\ = "{2A04A1D0-1969-400E-A53C-6A5433A4B658}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AWGames.Addon.1\ = "Arcadeweb Gaming Add-on" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AWGames.Addon.1\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b3ca58276caee1895eec75481740f936_JaffaCakes118.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{21C1577D-B190-4F9D-8034-F26DE5F9F3C2}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{21C1577D-B190-4F9D-8034-F26DE5F9F3C2}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}\TypeLib\ = "{2A04A1D0-1969-400e-A53C-6A5433A4B658}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{21C1577D-B190-4F9D-8034-F26DE5F9F3C2}\TypeLib\ = "{2A04A1D0-1969-400E-A53C-6A5433A4B658}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2A04A1D0-1969-400E-A53C-6A5433A4B658}\1.0\HELPDIR regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1168 wrote to memory of 3560 1168 regsvr32.exe 84 PID 1168 wrote to memory of 3560 1168 regsvr32.exe 84 PID 1168 wrote to memory of 3560 1168 regsvr32.exe 84
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\b3ca58276caee1895eec75481740f936_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:1168 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\b3ca58276caee1895eec75481740f936_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:3560
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