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Analysis
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max time kernel
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max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
12/03/2024, 03:49
Behavioral task
behavioral1
Sample
c261292ed968fbd9e24b406c3cf8dfa9.pdf
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
c261292ed968fbd9e24b406c3cf8dfa9.pdf
Resource
win10v2004-20240226-en
General
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Target
c261292ed968fbd9e24b406c3cf8dfa9.pdf
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Size
79KB
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MD5
c261292ed968fbd9e24b406c3cf8dfa9
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SHA1
2027250625b4ef8d366e8fa0476d23fe8a6ab579
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SHA256
3a1b5afc99b9479dfa0d34b747dc7899a82f8e309820c428f77ea418194210f1
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SHA512
89a589275dba31505bfde13fe360cc5b42dddcde503323038e083675a81405f9eceb4007ef8d5bc27516d7d387ace7824d67cc97ce4c44a59096e4a4458c023d
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SSDEEP
1536:IctMSrFyVXlcnnHj9GuwpPVtMvbYAoqTni4sIVG6A:rtTrFSQnDdFVoqi4V+
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-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 4908 AcroRd32.exe 4908 AcroRd32.exe 4908 AcroRd32.exe 4908 AcroRd32.exe 4908 AcroRd32.exe 4908 AcroRd32.exe 4908 AcroRd32.exe 4908 AcroRd32.exe 4908 AcroRd32.exe 4908 AcroRd32.exe 4908 AcroRd32.exe 4908 AcroRd32.exe 4908 AcroRd32.exe 4908 AcroRd32.exe 4908 AcroRd32.exe 4908 AcroRd32.exe 4908 AcroRd32.exe 4908 AcroRd32.exe 4908 AcroRd32.exe 4908 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4908 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 4908 AcroRd32.exe 4908 AcroRd32.exe 4908 AcroRd32.exe 4908 AcroRd32.exe 4908 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4908 wrote to memory of 2900 4908 AcroRd32.exe 91 PID 4908 wrote to memory of 2900 4908 AcroRd32.exe 91 PID 4908 wrote to memory of 2900 4908 AcroRd32.exe 91 PID 2900 wrote to memory of 1500 2900 RdrCEF.exe 92 PID 2900 wrote to memory of 1500 2900 RdrCEF.exe 92 PID 2900 wrote to memory of 1500 2900 RdrCEF.exe 92 PID 2900 wrote to memory of 1500 2900 RdrCEF.exe 92 PID 2900 wrote to memory of 1500 2900 RdrCEF.exe 92 PID 2900 wrote to memory of 1500 2900 RdrCEF.exe 92 PID 2900 wrote to memory of 1500 2900 RdrCEF.exe 92 PID 2900 wrote to memory of 1500 2900 RdrCEF.exe 92 PID 2900 wrote to memory of 1500 2900 RdrCEF.exe 92 PID 2900 wrote to memory of 1500 2900 RdrCEF.exe 92 PID 2900 wrote to memory of 1500 2900 RdrCEF.exe 92 PID 2900 wrote to memory of 1500 2900 RdrCEF.exe 92 PID 2900 wrote to memory of 1500 2900 RdrCEF.exe 92 PID 2900 wrote to memory of 1500 2900 RdrCEF.exe 92 PID 2900 wrote to memory of 1500 2900 RdrCEF.exe 92 PID 2900 wrote to memory of 1500 2900 RdrCEF.exe 92 PID 2900 wrote to memory of 1500 2900 RdrCEF.exe 92 PID 2900 wrote to memory of 1500 2900 RdrCEF.exe 92 PID 2900 wrote to memory of 1500 2900 RdrCEF.exe 92 PID 2900 wrote to memory of 1500 2900 RdrCEF.exe 92 PID 2900 wrote to memory of 1500 2900 RdrCEF.exe 92 PID 2900 wrote to memory of 1500 2900 RdrCEF.exe 92 PID 2900 wrote to memory of 1500 2900 RdrCEF.exe 92 PID 2900 wrote to memory of 1500 2900 RdrCEF.exe 92 PID 2900 wrote to memory of 1500 2900 RdrCEF.exe 92 PID 2900 wrote to memory of 1500 2900 RdrCEF.exe 92 PID 2900 wrote to memory of 1500 2900 RdrCEF.exe 92 PID 2900 wrote to memory of 1500 2900 RdrCEF.exe 92 PID 2900 wrote to memory of 1500 2900 RdrCEF.exe 92 PID 2900 wrote to memory of 1500 2900 RdrCEF.exe 92 PID 2900 wrote to memory of 1500 2900 RdrCEF.exe 92 PID 2900 wrote to memory of 1500 2900 RdrCEF.exe 92 PID 2900 wrote to memory of 1500 2900 RdrCEF.exe 92 PID 2900 wrote to memory of 1500 2900 RdrCEF.exe 92 PID 2900 wrote to memory of 1500 2900 RdrCEF.exe 92 PID 2900 wrote to memory of 1500 2900 RdrCEF.exe 92 PID 2900 wrote to memory of 1500 2900 RdrCEF.exe 92 PID 2900 wrote to memory of 1500 2900 RdrCEF.exe 92 PID 2900 wrote to memory of 1500 2900 RdrCEF.exe 92 PID 2900 wrote to memory of 1500 2900 RdrCEF.exe 92 PID 2900 wrote to memory of 1500 2900 RdrCEF.exe 92 PID 2900 wrote to memory of 4460 2900 RdrCEF.exe 93 PID 2900 wrote to memory of 4460 2900 RdrCEF.exe 93 PID 2900 wrote to memory of 4460 2900 RdrCEF.exe 93 PID 2900 wrote to memory of 4460 2900 RdrCEF.exe 93 PID 2900 wrote to memory of 4460 2900 RdrCEF.exe 93 PID 2900 wrote to memory of 4460 2900 RdrCEF.exe 93 PID 2900 wrote to memory of 4460 2900 RdrCEF.exe 93 PID 2900 wrote to memory of 4460 2900 RdrCEF.exe 93 PID 2900 wrote to memory of 4460 2900 RdrCEF.exe 93 PID 2900 wrote to memory of 4460 2900 RdrCEF.exe 93 PID 2900 wrote to memory of 4460 2900 RdrCEF.exe 93 PID 2900 wrote to memory of 4460 2900 RdrCEF.exe 93 PID 2900 wrote to memory of 4460 2900 RdrCEF.exe 93 PID 2900 wrote to memory of 4460 2900 RdrCEF.exe 93 PID 2900 wrote to memory of 4460 2900 RdrCEF.exe 93 PID 2900 wrote to memory of 4460 2900 RdrCEF.exe 93 PID 2900 wrote to memory of 4460 2900 RdrCEF.exe 93 PID 2900 wrote to memory of 4460 2900 RdrCEF.exe 93 PID 2900 wrote to memory of 4460 2900 RdrCEF.exe 93 PID 2900 wrote to memory of 4460 2900 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\c261292ed968fbd9e24b406c3cf8dfa9.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:4908 -
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:2900 -
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=AF6ADD6442D7F41CAF65DF91CB723564 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1500
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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=3C0CE5E1D1D19A968DA4E259AC60C595 --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=3C0CE5E1D1D19A968DA4E259AC60C595 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:13⤵PID:4460
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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=0E74F13F7426C5F84D0A1CF7E68D2E41 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1488
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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=F4B2B8C2CE73BF2046D67E460272E60A --mojo-platform-channel-handle=1960 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4904
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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=2C569D4C638B6828C327BCDEB1764803 --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=2C569D4C638B6828C327BCDEB1764803 --renderer-client-id=6 --mojo-platform-channel-handle=2148 --allow-no-sandbox-job /prefetch:13⤵PID:3628
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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=580D7C4EC402E0EA50F3D2064D3197C5 --mojo-platform-channel-handle=2668 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4168
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:1892
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD5ae441d303407f988a35f5abc4a621099
SHA18252582b50db28ff2a051ca7e3ca6a523c393b13
SHA25655f919961695ba6ab2aca07e8464ff6547b095d4baf670b2633cee68dbbadbcc
SHA5129284db71a5fbc21be8cadfaac41bacf7b6581782d55347d56f215267614c8750afdc5da8a11a3bb4a45ba85d223c64d052ddd4d3fa690d0f4323217f215e72b7
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5