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Analysis
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max time kernel
141s -
max time network
135s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
29/03/2024, 01:25
Behavioral task
behavioral1
Sample
b599fc1b876b38d074b8cd83e5ad92e3d0e1e6e039284a668d127f1c8143c1ef.pdf
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
b599fc1b876b38d074b8cd83e5ad92e3d0e1e6e039284a668d127f1c8143c1ef.pdf
Resource
win10v2004-20231215-en
General
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Target
b599fc1b876b38d074b8cd83e5ad92e3d0e1e6e039284a668d127f1c8143c1ef.pdf
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Size
53KB
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MD5
9964113569cec2bae4b3508115b0074a
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SHA1
98b0ea0ba96a8417fceed9b02d670315c58f3dba
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SHA256
b599fc1b876b38d074b8cd83e5ad92e3d0e1e6e039284a668d127f1c8143c1ef
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SHA512
91cb2e921423d2c9ce06fa67ff46c31d986dc35a6f2133767ff32531527baa90bb1d0dab6014d82a8cbf27a4f94afea789af0c672cbebb0dd934a4cf6fbe3431
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SSDEEP
768:b0R/kstFfvPEcw3T1BpSyrE40GfkS3OrGZ+F4N2t+NBkm58ucK41Mh:bC/FFf0cw3l7BZkSoBF4kt4n5xqI
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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 4784 AcroRd32.exe 4784 AcroRd32.exe 4784 AcroRd32.exe 4784 AcroRd32.exe 4784 AcroRd32.exe 4784 AcroRd32.exe 4784 AcroRd32.exe 4784 AcroRd32.exe 4784 AcroRd32.exe 4784 AcroRd32.exe 4784 AcroRd32.exe 4784 AcroRd32.exe 4784 AcroRd32.exe 4784 AcroRd32.exe 4784 AcroRd32.exe 4784 AcroRd32.exe 4784 AcroRd32.exe 4784 AcroRd32.exe 4784 AcroRd32.exe 4784 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4784 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 4784 AcroRd32.exe 4784 AcroRd32.exe 4784 AcroRd32.exe 4784 AcroRd32.exe 4784 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4784 wrote to memory of 3240 4784 AcroRd32.exe 83 PID 4784 wrote to memory of 3240 4784 AcroRd32.exe 83 PID 4784 wrote to memory of 3240 4784 AcroRd32.exe 83 PID 3240 wrote to memory of 3144 3240 RdrCEF.exe 84 PID 3240 wrote to memory of 3144 3240 RdrCEF.exe 84 PID 3240 wrote to memory of 3144 3240 RdrCEF.exe 84 PID 3240 wrote to memory of 3144 3240 RdrCEF.exe 84 PID 3240 wrote to memory of 3144 3240 RdrCEF.exe 84 PID 3240 wrote to memory of 3144 3240 RdrCEF.exe 84 PID 3240 wrote to memory of 3144 3240 RdrCEF.exe 84 PID 3240 wrote to memory of 3144 3240 RdrCEF.exe 84 PID 3240 wrote to memory of 3144 3240 RdrCEF.exe 84 PID 3240 wrote to memory of 3144 3240 RdrCEF.exe 84 PID 3240 wrote to memory of 3144 3240 RdrCEF.exe 84 PID 3240 wrote to memory of 3144 3240 RdrCEF.exe 84 PID 3240 wrote to memory of 3144 3240 RdrCEF.exe 84 PID 3240 wrote to memory of 3144 3240 RdrCEF.exe 84 PID 3240 wrote to memory of 3144 3240 RdrCEF.exe 84 PID 3240 wrote to memory of 3144 3240 RdrCEF.exe 84 PID 3240 wrote to memory of 3144 3240 RdrCEF.exe 84 PID 3240 wrote to memory of 3144 3240 RdrCEF.exe 84 PID 3240 wrote to memory of 3144 3240 RdrCEF.exe 84 PID 3240 wrote to memory of 3144 3240 RdrCEF.exe 84 PID 3240 wrote to memory of 3144 3240 RdrCEF.exe 84 PID 3240 wrote to memory of 3144 3240 RdrCEF.exe 84 PID 3240 wrote to memory of 3144 3240 RdrCEF.exe 84 PID 3240 wrote to memory of 3144 3240 RdrCEF.exe 84 PID 3240 wrote to memory of 3144 3240 RdrCEF.exe 84 PID 3240 wrote to memory of 3144 3240 RdrCEF.exe 84 PID 3240 wrote to memory of 3144 3240 RdrCEF.exe 84 PID 3240 wrote to memory of 3144 3240 RdrCEF.exe 84 PID 3240 wrote to memory of 3144 3240 RdrCEF.exe 84 PID 3240 wrote to memory of 3144 3240 RdrCEF.exe 84 PID 3240 wrote to memory of 3144 3240 RdrCEF.exe 84 PID 3240 wrote to memory of 3144 3240 RdrCEF.exe 84 PID 3240 wrote to memory of 3144 3240 RdrCEF.exe 84 PID 3240 wrote to memory of 3144 3240 RdrCEF.exe 84 PID 3240 wrote to memory of 3144 3240 RdrCEF.exe 84 PID 3240 wrote to memory of 3144 3240 RdrCEF.exe 84 PID 3240 wrote to memory of 3144 3240 RdrCEF.exe 84 PID 3240 wrote to memory of 3144 3240 RdrCEF.exe 84 PID 3240 wrote to memory of 3144 3240 RdrCEF.exe 84 PID 3240 wrote to memory of 3144 3240 RdrCEF.exe 84 PID 3240 wrote to memory of 3144 3240 RdrCEF.exe 84 PID 3240 wrote to memory of 4800 3240 RdrCEF.exe 85 PID 3240 wrote to memory of 4800 3240 RdrCEF.exe 85 PID 3240 wrote to memory of 4800 3240 RdrCEF.exe 85 PID 3240 wrote to memory of 4800 3240 RdrCEF.exe 85 PID 3240 wrote to memory of 4800 3240 RdrCEF.exe 85 PID 3240 wrote to memory of 4800 3240 RdrCEF.exe 85 PID 3240 wrote to memory of 4800 3240 RdrCEF.exe 85 PID 3240 wrote to memory of 4800 3240 RdrCEF.exe 85 PID 3240 wrote to memory of 4800 3240 RdrCEF.exe 85 PID 3240 wrote to memory of 4800 3240 RdrCEF.exe 85 PID 3240 wrote to memory of 4800 3240 RdrCEF.exe 85 PID 3240 wrote to memory of 4800 3240 RdrCEF.exe 85 PID 3240 wrote to memory of 4800 3240 RdrCEF.exe 85 PID 3240 wrote to memory of 4800 3240 RdrCEF.exe 85 PID 3240 wrote to memory of 4800 3240 RdrCEF.exe 85 PID 3240 wrote to memory of 4800 3240 RdrCEF.exe 85 PID 3240 wrote to memory of 4800 3240 RdrCEF.exe 85 PID 3240 wrote to memory of 4800 3240 RdrCEF.exe 85 PID 3240 wrote to memory of 4800 3240 RdrCEF.exe 85 PID 3240 wrote to memory of 4800 3240 RdrCEF.exe 85
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\b599fc1b876b38d074b8cd83e5ad92e3d0e1e6e039284a668d127f1c8143c1ef.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:4784 -
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:3240 -
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=2C7EC0AF9F1AAFE57FBA24CF70DBD852 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3144
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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=E87C250390210D782170ADD8C9704506 --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=E87C250390210D782170ADD8C9704506 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:13⤵PID:4800
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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=5F8F205E9338BD92007D1AE53185DD79 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1136
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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=46DDF0361EB7FCA890BF539E86633C26 --mojo-platform-channel-handle=1908 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2524
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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=30DB599942500A8E0BF01C8BAEC38E4B --mojo-platform-channel-handle=2344 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4780
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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=C777559D5A7A5614AD9172D297755BCE --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=C777559D5A7A5614AD9172D297755BCE --renderer-client-id=7 --mojo-platform-channel-handle=2396 --allow-no-sandbox-job /prefetch:13⤵PID:3940
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4644
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD52d34d7c610bb31c7d3b3d2f082559d3a
SHA17edc6ca48f63939618206448997940e8a359b34f
SHA256342bd880de65a5f1d49698f155bc32882328b0d2e888e63ebadc19058372105b
SHA512580b5c2a1aa2a2bfdf01d6cf66667fb57df4a433df77abc1100b14daf4e92f10809bdcec49c06201adc2b416747245f6ebdc83c54a9d74c60a0692f726739586
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5