Analysis
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max time kernel
142s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
20-06-2024 08:05
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
0439862d72cbed05c856d8313f2516cc_JaffaCakes118.dll
Resource
win7-20240220-en
3 signatures
150 seconds
General
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Target
0439862d72cbed05c856d8313f2516cc_JaffaCakes118.dll
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Size
142KB
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MD5
0439862d72cbed05c856d8313f2516cc
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SHA1
100a736d21a27d3fd6723c87654cd4b845b477bb
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SHA256
ea381162c68533714907719e2818a52874d133886b94a4da66c70a9ee980bcda
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SHA512
c734e198303ad65713ce1d995f26d3cc3b130461335c46f354480ee3ef851cbdcc053da3cb3703a0c518ed2b2e5dc6fba052d27797fcfb25aa819e065f249917
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SSDEEP
3072:wEk6AlK+xE24sCTJdMIaTCm5Wt55jBpX:06AlJK2yl28Zj
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.
Processes:
regsvr32.exedescription 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}\ = "Game Add-on ArcadeWeb" 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 -
Modifies registry class 60 IoCs
Processes:
regsvr32.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}\VersionIndependentProgID\ = "AModule.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\{21C1577D-B190-4F9D-8034-F26DE5F9F3C2}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2} 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}\ = "_IExtensionEvents" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2A04A1D0-1969-400E-A53C-6A5433A4B658} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2A04A1D0-1969-400E-A53C-6A5433A4B658}\1.0\FLAGS\ = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0439862d72cbed05c856d8313f2516cc_JaffaCakes118.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B} 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\Interface\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B}\TypeLib\ = "{2A04A1D0-1969-400E-A53C-6A5433A4B658}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AModule.Addon\CurVer regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{21C1577D-B190-4F9D-8034-F26DE5F9F3C2} 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\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B} 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\TypeLib\{2A04A1D0-1969-400E-A53C-6A5433A4B658}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0439862d72cbed05c856d8313f2516cc_JaffaCakes118.dll" 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}\ = "IExtension" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B}\ = "IExtension" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AModule.Addon.1\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2A04A1D0-1969-400E-A53C-6A5433A4B658}\1.0\0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{21C1577D-B190-4F9D-8034-F26DE5F9F3C2}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}\InprocServer32\ThreadingModel = "Apartment" 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\CLSID\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{21C1577D-B190-4F9D-8034-F26DE5F9F3C2}\TypeLib 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\Interface\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" 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}\VersionIndependentProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AModule.Addon\CLSID\ = "{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AModule.Addon\ = "Game Add-on ArcadeWeb" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AModule.Addon\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}\ = "Game Add-on ArcadeWeb" 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\FLAGS regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AModule.Addon.1\ = "Game Add-on ArcadeWeb" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AModule.Addon.1\CLSID\ = "{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}\TypeLib\ = "{2A04A1D0-1969-400e-A53C-6A5433A4B658}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AModule.Addon.1 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{21C1577D-B190-4F9D-8034-F26DE5F9F3C2} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{21C1577D-B190-4F9D-8034-F26DE5F9F3C2}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2A04A1D0-1969-400E-A53C-6A5433A4B658}\1.0\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AModule.Addon\CurVer\ = "AModule.Addon.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9F531FB1-7C1F-4e1a-8C0C-E8D6177130E2}\ProgID\ = "AModule.Addon.1" 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\WOW6432Node\Interface\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AModule.Addon regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{21C1577D-B190-4F9D-8034-F26DE5F9F3C2}\ProxyStubClsid32 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\Interface\{D9D903F6-26EF-4716-BBD0-D9513E8FDE9B}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{21C1577D-B190-4F9D-8034-F26DE5F9F3C2}\ProxyStubClsid32 regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
regsvr32.exedescription pid process target process PID 4000 wrote to memory of 2640 4000 regsvr32.exe regsvr32.exe PID 4000 wrote to memory of 2640 4000 regsvr32.exe regsvr32.exe PID 4000 wrote to memory of 2640 4000 regsvr32.exe regsvr32.exe
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\0439862d72cbed05c856d8313f2516cc_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:4000 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\0439862d72cbed05c856d8313f2516cc_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:2640
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1036 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:81⤵PID:3588