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Analysis
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max time kernel
149s -
max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
06/01/2024, 00:21
Behavioral task
behavioral1
Sample
44cefeb5f2a580b1e0fdcc9e301b6cb7.pdf
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
44cefeb5f2a580b1e0fdcc9e301b6cb7.pdf
Resource
win10v2004-20231215-en
General
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Target
44cefeb5f2a580b1e0fdcc9e301b6cb7.pdf
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Size
82KB
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MD5
44cefeb5f2a580b1e0fdcc9e301b6cb7
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SHA1
31f245257f1b1f6d2c01d5ad3ce1c781d1bc3398
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SHA256
1034995be32b91fba829b515bed096bd142e0ef308f4f8caaff185fbaddbed48
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SHA512
9762301cc3f582a3393435ec2dd596d006b2114a0f575ea5241eca464e83b1423d25ea05c0555eebde7b4acd6d07218dbe4a86605ec796e36f01b2b4f4aca0d0
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SSDEEP
1536:K6SLg+dXrDSv5mxPF/25KQBRqsgtezRJHFaRpQ50yBm0taJANtAorLJO9:HId7U5m1F/6KuQozRxg3yBmqGALrLm
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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 1416 AcroRd32.exe 1416 AcroRd32.exe 1416 AcroRd32.exe 1416 AcroRd32.exe 1416 AcroRd32.exe 1416 AcroRd32.exe 1416 AcroRd32.exe 1416 AcroRd32.exe 1416 AcroRd32.exe 1416 AcroRd32.exe 1416 AcroRd32.exe 1416 AcroRd32.exe 1416 AcroRd32.exe 1416 AcroRd32.exe 1416 AcroRd32.exe 1416 AcroRd32.exe 1416 AcroRd32.exe 1416 AcroRd32.exe 1416 AcroRd32.exe 1416 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1416 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 1416 AcroRd32.exe 1416 AcroRd32.exe 1416 AcroRd32.exe 1416 AcroRd32.exe 1416 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1416 wrote to memory of 2016 1416 AcroRd32.exe 92 PID 1416 wrote to memory of 2016 1416 AcroRd32.exe 92 PID 1416 wrote to memory of 2016 1416 AcroRd32.exe 92 PID 2016 wrote to memory of 2368 2016 RdrCEF.exe 94 PID 2016 wrote to memory of 2368 2016 RdrCEF.exe 94 PID 2016 wrote to memory of 2368 2016 RdrCEF.exe 94 PID 2016 wrote to memory of 2368 2016 RdrCEF.exe 94 PID 2016 wrote to memory of 2368 2016 RdrCEF.exe 94 PID 2016 wrote to memory of 2368 2016 RdrCEF.exe 94 PID 2016 wrote to memory of 2368 2016 RdrCEF.exe 94 PID 2016 wrote to memory of 2368 2016 RdrCEF.exe 94 PID 2016 wrote to memory of 2368 2016 RdrCEF.exe 94 PID 2016 wrote to memory of 2368 2016 RdrCEF.exe 94 PID 2016 wrote to memory of 2368 2016 RdrCEF.exe 94 PID 2016 wrote to memory of 2368 2016 RdrCEF.exe 94 PID 2016 wrote to memory of 2368 2016 RdrCEF.exe 94 PID 2016 wrote to memory of 2368 2016 RdrCEF.exe 94 PID 2016 wrote to memory of 2368 2016 RdrCEF.exe 94 PID 2016 wrote to memory of 2368 2016 RdrCEF.exe 94 PID 2016 wrote to memory of 2368 2016 RdrCEF.exe 94 PID 2016 wrote to memory of 2368 2016 RdrCEF.exe 94 PID 2016 wrote to memory of 2368 2016 RdrCEF.exe 94 PID 2016 wrote to memory of 2368 2016 RdrCEF.exe 94 PID 2016 wrote to memory of 2368 2016 RdrCEF.exe 94 PID 2016 wrote to memory of 2368 2016 RdrCEF.exe 94 PID 2016 wrote to memory of 2368 2016 RdrCEF.exe 94 PID 2016 wrote to memory of 2368 2016 RdrCEF.exe 94 PID 2016 wrote to memory of 2368 2016 RdrCEF.exe 94 PID 2016 wrote to memory of 2368 2016 RdrCEF.exe 94 PID 2016 wrote to memory of 2368 2016 RdrCEF.exe 94 PID 2016 wrote to memory of 2368 2016 RdrCEF.exe 94 PID 2016 wrote to memory of 2368 2016 RdrCEF.exe 94 PID 2016 wrote to memory of 2368 2016 RdrCEF.exe 94 PID 2016 wrote to memory of 2368 2016 RdrCEF.exe 94 PID 2016 wrote to memory of 2368 2016 RdrCEF.exe 94 PID 2016 wrote to memory of 2368 2016 RdrCEF.exe 94 PID 2016 wrote to memory of 2368 2016 RdrCEF.exe 94 PID 2016 wrote to memory of 2368 2016 RdrCEF.exe 94 PID 2016 wrote to memory of 2368 2016 RdrCEF.exe 94 PID 2016 wrote to memory of 2368 2016 RdrCEF.exe 94 PID 2016 wrote to memory of 2368 2016 RdrCEF.exe 94 PID 2016 wrote to memory of 2368 2016 RdrCEF.exe 94 PID 2016 wrote to memory of 2368 2016 RdrCEF.exe 94 PID 2016 wrote to memory of 2368 2016 RdrCEF.exe 94 PID 2016 wrote to memory of 3608 2016 RdrCEF.exe 93 PID 2016 wrote to memory of 3608 2016 RdrCEF.exe 93 PID 2016 wrote to memory of 3608 2016 RdrCEF.exe 93 PID 2016 wrote to memory of 3608 2016 RdrCEF.exe 93 PID 2016 wrote to memory of 3608 2016 RdrCEF.exe 93 PID 2016 wrote to memory of 3608 2016 RdrCEF.exe 93 PID 2016 wrote to memory of 3608 2016 RdrCEF.exe 93 PID 2016 wrote to memory of 3608 2016 RdrCEF.exe 93 PID 2016 wrote to memory of 3608 2016 RdrCEF.exe 93 PID 2016 wrote to memory of 3608 2016 RdrCEF.exe 93 PID 2016 wrote to memory of 3608 2016 RdrCEF.exe 93 PID 2016 wrote to memory of 3608 2016 RdrCEF.exe 93 PID 2016 wrote to memory of 3608 2016 RdrCEF.exe 93 PID 2016 wrote to memory of 3608 2016 RdrCEF.exe 93 PID 2016 wrote to memory of 3608 2016 RdrCEF.exe 93 PID 2016 wrote to memory of 3608 2016 RdrCEF.exe 93 PID 2016 wrote to memory of 3608 2016 RdrCEF.exe 93 PID 2016 wrote to memory of 3608 2016 RdrCEF.exe 93 PID 2016 wrote to memory of 3608 2016 RdrCEF.exe 93 PID 2016 wrote to memory of 3608 2016 RdrCEF.exe 93
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\44cefeb5f2a580b1e0fdcc9e301b6cb7.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:1416 -
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:2016 -
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=891A82E2881EFA2C6566C66BDF132953 --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=891A82E2881EFA2C6566C66BDF132953 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:13⤵PID:3608
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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=B5EFE04B6A293E6EE70ED749C652CEF6 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2368
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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=3C83A49EC0E32C49C31BA815E8FE0B96 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3092
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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=6AAD6701DE1578E94CC633866BA678C7 --mojo-platform-channel-handle=1864 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1612
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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=C907926ACE8C12509149F16AEC8A55E7 --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=C907926ACE8C12509149F16AEC8A55E7 --renderer-client-id=6 --mojo-platform-channel-handle=2340 --allow-no-sandbox-job /prefetch:13⤵PID:4272
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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=7F557849F264E2DA33E23488DAF9E2C5 --mojo-platform-channel-handle=2400 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1740
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4252
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD5c70e6868291ada87fcdc8d4df68b5c66
SHA15858de35509d0b52aad31fc3bedf01a99aa04bbe
SHA256bba115aeb80a37c45524a4fc3cb8809af9fe1b2c499e2e4e9ba29defcd901496
SHA512abd862f570b064f0f086db3533535e05a4efad5d762f4b60fb617a4ed4f3160efc04f9e314b3b1e8bbb1e1091e165e88a6da286ef8884f20d9df2fe9176d9a21
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Filesize
56KB
MD5c26ed30e7d5ab440480838636efc41db
SHA1c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591
SHA2566a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef
SHA51296cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5