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Analysis
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max time kernel
141s -
max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
26/01/2024, 06:17
Behavioral task
behavioral1
Sample
769b5aaa7f99dbd7c2801f1e801fa031.pdf
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
769b5aaa7f99dbd7c2801f1e801fa031.pdf
Resource
win10v2004-20231222-en
General
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Target
769b5aaa7f99dbd7c2801f1e801fa031.pdf
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Size
85KB
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MD5
769b5aaa7f99dbd7c2801f1e801fa031
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SHA1
e545a40eb29dcc63a46e456cbd374bfc0f4f1735
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SHA256
e32970ecf5d7fd737994c98c3fc630116b408fdcebc835f2fafdb68846a4ae0e
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SHA512
7a4918b355b419082ca4c08dd685c5bc911c8d5bdbcabc474f142aafc9b285ff5dc05ef5d3f2f4624d98190161f5e4537995bc7b7cc6b6dec853e57ea1e4e461
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SSDEEP
1536:re7wBUGl2HZE7ZzzjN042+O5t3b9Jlme+Z2l0UWEZls879POW8pO7e4y:i1GWZejN048L3bHeKlse5N76
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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 1188 AcroRd32.exe 1188 AcroRd32.exe 1188 AcroRd32.exe 1188 AcroRd32.exe 1188 AcroRd32.exe 1188 AcroRd32.exe 1188 AcroRd32.exe 1188 AcroRd32.exe 1188 AcroRd32.exe 1188 AcroRd32.exe 1188 AcroRd32.exe 1188 AcroRd32.exe 1188 AcroRd32.exe 1188 AcroRd32.exe 1188 AcroRd32.exe 1188 AcroRd32.exe 1188 AcroRd32.exe 1188 AcroRd32.exe 1188 AcroRd32.exe 1188 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1188 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 1188 AcroRd32.exe 1188 AcroRd32.exe 1188 AcroRd32.exe 1188 AcroRd32.exe 1188 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1188 wrote to memory of 4384 1188 AcroRd32.exe 92 PID 1188 wrote to memory of 4384 1188 AcroRd32.exe 92 PID 1188 wrote to memory of 4384 1188 AcroRd32.exe 92 PID 4384 wrote to memory of 3884 4384 RdrCEF.exe 94 PID 4384 wrote to memory of 3884 4384 RdrCEF.exe 94 PID 4384 wrote to memory of 3884 4384 RdrCEF.exe 94 PID 4384 wrote to memory of 3884 4384 RdrCEF.exe 94 PID 4384 wrote to memory of 3884 4384 RdrCEF.exe 94 PID 4384 wrote to memory of 3884 4384 RdrCEF.exe 94 PID 4384 wrote to memory of 3884 4384 RdrCEF.exe 94 PID 4384 wrote to memory of 3884 4384 RdrCEF.exe 94 PID 4384 wrote to memory of 3884 4384 RdrCEF.exe 94 PID 4384 wrote to memory of 3884 4384 RdrCEF.exe 94 PID 4384 wrote to memory of 3884 4384 RdrCEF.exe 94 PID 4384 wrote to memory of 3884 4384 RdrCEF.exe 94 PID 4384 wrote to memory of 3884 4384 RdrCEF.exe 94 PID 4384 wrote to memory of 3884 4384 RdrCEF.exe 94 PID 4384 wrote to memory of 3884 4384 RdrCEF.exe 94 PID 4384 wrote to memory of 3884 4384 RdrCEF.exe 94 PID 4384 wrote to memory of 3884 4384 RdrCEF.exe 94 PID 4384 wrote to memory of 3884 4384 RdrCEF.exe 94 PID 4384 wrote to memory of 3884 4384 RdrCEF.exe 94 PID 4384 wrote to memory of 3884 4384 RdrCEF.exe 94 PID 4384 wrote to memory of 3884 4384 RdrCEF.exe 94 PID 4384 wrote to memory of 3884 4384 RdrCEF.exe 94 PID 4384 wrote to memory of 3884 4384 RdrCEF.exe 94 PID 4384 wrote to memory of 3884 4384 RdrCEF.exe 94 PID 4384 wrote to memory of 3884 4384 RdrCEF.exe 94 PID 4384 wrote to memory of 3884 4384 RdrCEF.exe 94 PID 4384 wrote to memory of 3884 4384 RdrCEF.exe 94 PID 4384 wrote to memory of 3884 4384 RdrCEF.exe 94 PID 4384 wrote to memory of 3884 4384 RdrCEF.exe 94 PID 4384 wrote to memory of 3884 4384 RdrCEF.exe 94 PID 4384 wrote to memory of 3884 4384 RdrCEF.exe 94 PID 4384 wrote to memory of 3884 4384 RdrCEF.exe 94 PID 4384 wrote to memory of 3884 4384 RdrCEF.exe 94 PID 4384 wrote to memory of 3884 4384 RdrCEF.exe 94 PID 4384 wrote to memory of 3884 4384 RdrCEF.exe 94 PID 4384 wrote to memory of 3884 4384 RdrCEF.exe 94 PID 4384 wrote to memory of 3884 4384 RdrCEF.exe 94 PID 4384 wrote to memory of 3884 4384 RdrCEF.exe 94 PID 4384 wrote to memory of 3884 4384 RdrCEF.exe 94 PID 4384 wrote to memory of 3884 4384 RdrCEF.exe 94 PID 4384 wrote to memory of 3884 4384 RdrCEF.exe 94 PID 4384 wrote to memory of 2592 4384 RdrCEF.exe 93 PID 4384 wrote to memory of 2592 4384 RdrCEF.exe 93 PID 4384 wrote to memory of 2592 4384 RdrCEF.exe 93 PID 4384 wrote to memory of 2592 4384 RdrCEF.exe 93 PID 4384 wrote to memory of 2592 4384 RdrCEF.exe 93 PID 4384 wrote to memory of 2592 4384 RdrCEF.exe 93 PID 4384 wrote to memory of 2592 4384 RdrCEF.exe 93 PID 4384 wrote to memory of 2592 4384 RdrCEF.exe 93 PID 4384 wrote to memory of 2592 4384 RdrCEF.exe 93 PID 4384 wrote to memory of 2592 4384 RdrCEF.exe 93 PID 4384 wrote to memory of 2592 4384 RdrCEF.exe 93 PID 4384 wrote to memory of 2592 4384 RdrCEF.exe 93 PID 4384 wrote to memory of 2592 4384 RdrCEF.exe 93 PID 4384 wrote to memory of 2592 4384 RdrCEF.exe 93 PID 4384 wrote to memory of 2592 4384 RdrCEF.exe 93 PID 4384 wrote to memory of 2592 4384 RdrCEF.exe 93 PID 4384 wrote to memory of 2592 4384 RdrCEF.exe 93 PID 4384 wrote to memory of 2592 4384 RdrCEF.exe 93 PID 4384 wrote to memory of 2592 4384 RdrCEF.exe 93 PID 4384 wrote to memory of 2592 4384 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\769b5aaa7f99dbd7c2801f1e801fa031.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:1188 -
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:4384 -
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=49E4705C8C858773A4EFE139F27F3457 --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=49E4705C8C858773A4EFE139F27F3457 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:13⤵PID:2592
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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=CFC9FBA5058FF7DA890089BBA7A2DF3D --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3884
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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=DC8D7B4B833BB99C126326118D6B0E9E --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:5080
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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=C7C60C57398AD9B65D6B7E67F90CF0A3 --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=C7C60C57398AD9B65D6B7E67F90CF0A3 --renderer-client-id=5 --mojo-platform-channel-handle=2416 --allow-no-sandbox-job /prefetch:13⤵PID:4264
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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=D147A46CCC9ED82B8116DB2F929840A5 --mojo-platform-channel-handle=2540 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1920
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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=CE2DBD7CFE06A8EC7D0971EB7E3964C6 --mojo-platform-channel-handle=2804 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2460
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4772
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD5bfe3701a908c9f88c6028d1e2c465cf8
SHA1e1fcd1658249fed68e29b1c8093584f4d9a868d4
SHA256faad3f994f3f8bf54d2504d1d3b754dec01b993343b1986d9a710d192b173336
SHA51215fa093d55a315d9dd6cb59d9f603384c5aca82bc15e87adf5b65ced7cc82ff8e0ae77eabbb23539f6fb199245bc23692ec88df243c510c2b820fdf6a95144ce
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5