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Analysis
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max time kernel
148s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
11/01/2024, 21:51
Behavioral task
behavioral1
Sample
54acd46a9dbef03e587c9efde4c0278c.pdf
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
54acd46a9dbef03e587c9efde4c0278c.pdf
Resource
win10v2004-20231222-en
General
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Target
54acd46a9dbef03e587c9efde4c0278c.pdf
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Size
95KB
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MD5
54acd46a9dbef03e587c9efde4c0278c
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SHA1
63b7e88b76c83c96310d95c2f8945c6a06e4a7a9
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SHA256
03926be9af1bb9f28b8830fcc5caf171e7276a1f0d2d515c5b10b058770d894c
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SHA512
72356acfcf7e5f7b8e3bf66ede9d2bae1fcdbe38f1a0d330f89b6e89d555e072fc9e417b9ec7ac64b887a550e9654d12f9c3486f9654b6b405bd664b82f14d7d
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SSDEEP
1536:uO6BndalwRw3InhS0+QkPrPHLY4h8fHpbxIWGjWtFCYWJMq0dCQrVjB+skKWUpO5:3mFUAhSzVPHka6HBxIICJF0RjQskl7CI
Malware Config
Signatures
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 AcroRd32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz AcroRd32.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 3724 AcroRd32.exe 3724 AcroRd32.exe 3724 AcroRd32.exe 3724 AcroRd32.exe 3724 AcroRd32.exe 3724 AcroRd32.exe 3724 AcroRd32.exe 3724 AcroRd32.exe 3724 AcroRd32.exe 3724 AcroRd32.exe 3724 AcroRd32.exe 3724 AcroRd32.exe 3724 AcroRd32.exe 3724 AcroRd32.exe 3724 AcroRd32.exe 3724 AcroRd32.exe 3724 AcroRd32.exe 3724 AcroRd32.exe 3724 AcroRd32.exe 3724 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3724 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 3724 AcroRd32.exe 3724 AcroRd32.exe 3724 AcroRd32.exe 3724 AcroRd32.exe 3724 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3724 wrote to memory of 1720 3724 AcroRd32.exe 94 PID 3724 wrote to memory of 1720 3724 AcroRd32.exe 94 PID 3724 wrote to memory of 1720 3724 AcroRd32.exe 94 PID 1720 wrote to memory of 3808 1720 RdrCEF.exe 97 PID 1720 wrote to memory of 3808 1720 RdrCEF.exe 97 PID 1720 wrote to memory of 3808 1720 RdrCEF.exe 97 PID 1720 wrote to memory of 3808 1720 RdrCEF.exe 97 PID 1720 wrote to memory of 3808 1720 RdrCEF.exe 97 PID 1720 wrote to memory of 3808 1720 RdrCEF.exe 97 PID 1720 wrote to memory of 3808 1720 RdrCEF.exe 97 PID 1720 wrote to memory of 3808 1720 RdrCEF.exe 97 PID 1720 wrote to memory of 3808 1720 RdrCEF.exe 97 PID 1720 wrote to memory of 3808 1720 RdrCEF.exe 97 PID 1720 wrote to memory of 3808 1720 RdrCEF.exe 97 PID 1720 wrote to memory of 3808 1720 RdrCEF.exe 97 PID 1720 wrote to memory of 3808 1720 RdrCEF.exe 97 PID 1720 wrote to memory of 3808 1720 RdrCEF.exe 97 PID 1720 wrote to memory of 3808 1720 RdrCEF.exe 97 PID 1720 wrote to memory of 3808 1720 RdrCEF.exe 97 PID 1720 wrote to memory of 3808 1720 RdrCEF.exe 97 PID 1720 wrote to memory of 3808 1720 RdrCEF.exe 97 PID 1720 wrote to memory of 3808 1720 RdrCEF.exe 97 PID 1720 wrote to memory of 3808 1720 RdrCEF.exe 97 PID 1720 wrote to memory of 3808 1720 RdrCEF.exe 97 PID 1720 wrote to memory of 3808 1720 RdrCEF.exe 97 PID 1720 wrote to memory of 3808 1720 RdrCEF.exe 97 PID 1720 wrote to memory of 3808 1720 RdrCEF.exe 97 PID 1720 wrote to memory of 3808 1720 RdrCEF.exe 97 PID 1720 wrote to memory of 3808 1720 RdrCEF.exe 97 PID 1720 wrote to memory of 3808 1720 RdrCEF.exe 97 PID 1720 wrote to memory of 3808 1720 RdrCEF.exe 97 PID 1720 wrote to memory of 3808 1720 RdrCEF.exe 97 PID 1720 wrote to memory of 3808 1720 RdrCEF.exe 97 PID 1720 wrote to memory of 3808 1720 RdrCEF.exe 97 PID 1720 wrote to memory of 3808 1720 RdrCEF.exe 97 PID 1720 wrote to memory of 3808 1720 RdrCEF.exe 97 PID 1720 wrote to memory of 3808 1720 RdrCEF.exe 97 PID 1720 wrote to memory of 3808 1720 RdrCEF.exe 97 PID 1720 wrote to memory of 3808 1720 RdrCEF.exe 97 PID 1720 wrote to memory of 3808 1720 RdrCEF.exe 97 PID 1720 wrote to memory of 3808 1720 RdrCEF.exe 97 PID 1720 wrote to memory of 3808 1720 RdrCEF.exe 97 PID 1720 wrote to memory of 3808 1720 RdrCEF.exe 97 PID 1720 wrote to memory of 3808 1720 RdrCEF.exe 97 PID 1720 wrote to memory of 3708 1720 RdrCEF.exe 98 PID 1720 wrote to memory of 3708 1720 RdrCEF.exe 98 PID 1720 wrote to memory of 3708 1720 RdrCEF.exe 98 PID 1720 wrote to memory of 3708 1720 RdrCEF.exe 98 PID 1720 wrote to memory of 3708 1720 RdrCEF.exe 98 PID 1720 wrote to memory of 3708 1720 RdrCEF.exe 98 PID 1720 wrote to memory of 3708 1720 RdrCEF.exe 98 PID 1720 wrote to memory of 3708 1720 RdrCEF.exe 98 PID 1720 wrote to memory of 3708 1720 RdrCEF.exe 98 PID 1720 wrote to memory of 3708 1720 RdrCEF.exe 98 PID 1720 wrote to memory of 3708 1720 RdrCEF.exe 98 PID 1720 wrote to memory of 3708 1720 RdrCEF.exe 98 PID 1720 wrote to memory of 3708 1720 RdrCEF.exe 98 PID 1720 wrote to memory of 3708 1720 RdrCEF.exe 98 PID 1720 wrote to memory of 3708 1720 RdrCEF.exe 98 PID 1720 wrote to memory of 3708 1720 RdrCEF.exe 98 PID 1720 wrote to memory of 3708 1720 RdrCEF.exe 98 PID 1720 wrote to memory of 3708 1720 RdrCEF.exe 98 PID 1720 wrote to memory of 3708 1720 RdrCEF.exe 98 PID 1720 wrote to memory of 3708 1720 RdrCEF.exe 98
Processes
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C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\54acd46a9dbef03e587c9efde4c0278c.pdf"1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3724 -
C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=165140432⤵
- Suspicious use of WriteProcessMemory
PID:1720 -
C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=E0AC4F3B90AC280A0F45DB4F89846B07 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3808
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C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=76C6B81F93153457B43F71A8C934ACDE --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=76C6B81F93153457B43F71A8C934ACDE --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:13⤵PID:3708
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C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=937AD0C6BEC8B8C71E336B352A19E6DE --mojo-platform-channel-handle=2184 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4092
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C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=D0824E1BF0D483B92705F9CEBC2BDC51 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=D0824E1BF0D483B92705F9CEBC2BDC51 --renderer-client-id=5 --mojo-platform-channel-handle=1936 --allow-no-sandbox-job /prefetch:13⤵PID:4912
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C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=0447E09A395A95ECF3DB8F1A1414F047 --mojo-platform-channel-handle=2660 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3448
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C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=5EC1A9727C8BF7C5BC49173053460231 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1656
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:2620
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD5bc249b6c591273e629c7c8a4a835ad56
SHA1fdd1598ddcd2fd943dc5cefbe997beb3ce2de8f7
SHA2562966bd99e0dab38cbc69aded590c1986f0aad9f9ec69f00592ba8ef8e5d7424a
SHA5124bb0ee245b91f74ef0fe939ab741bef540ca51d4cc3a5c9ffd2eef18376a0e736eb85ba4f1fdb1ba55c57137fc702ce27ea0620d1b5d34333e5dc0bdf7f3a329
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5