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Analysis
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max time kernel
81s -
max time network
83s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
01/06/2023, 16:33
Behavioral task
behavioral1
Sample
=?UTF-8?B?UHJvamVjdEZ1bmRpbmctMTQ4NTM2MTEzMS1KdW4wMS5wZGY=?=.pdf
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
=?UTF-8?B?UHJvamVjdEZ1bmRpbmctMTQ4NTM2MTEzMS1KdW4wMS5wZGY=?=.pdf
Resource
win10v2004-20230220-en
General
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Target
=?UTF-8?B?UHJvamVjdEZ1bmRpbmctMTQ4NTM2MTEzMS1KdW4wMS5wZGY=?=.pdf
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Size
126KB
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MD5
22ca3bbcefa89a79d7011531beeabd00
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SHA1
1bc600eba50904ebcd17f2f3220ff88731905244
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SHA256
eeca9db178d4d3e90c1e1d87787781caddefe5b28be8f72d58dcce27d69aa5cc
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SHA512
d5b4bc20053e90b3060c2598418165cbc8fe115fd55dd77bcddadb3ebef862fe1de83d5a8d3ae2fcd203551bc39b8acc659139eb87be508c239a23972426b725
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SSDEEP
1536:Adcs2Uwcs9ucsBcsRmcs0KcsHFb2AW2oERLYm3RT3MSLVMXLHtSR1GWBZD7p8VbF:A4HPCYLrMeVoHtSXGml6nizG
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-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 4284 AcroRd32.exe 4284 AcroRd32.exe 4284 AcroRd32.exe 4284 AcroRd32.exe 4284 AcroRd32.exe 4284 AcroRd32.exe 4284 AcroRd32.exe 4284 AcroRd32.exe 4284 AcroRd32.exe 4284 AcroRd32.exe 4284 AcroRd32.exe 4284 AcroRd32.exe 4284 AcroRd32.exe 4284 AcroRd32.exe 4284 AcroRd32.exe 4284 AcroRd32.exe 4284 AcroRd32.exe 4284 AcroRd32.exe 4284 AcroRd32.exe 4284 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4284 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 4284 AcroRd32.exe 4284 AcroRd32.exe 4284 AcroRd32.exe 4284 AcroRd32.exe 4284 AcroRd32.exe 4284 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4284 wrote to memory of 1288 4284 AcroRd32.exe 81 PID 4284 wrote to memory of 1288 4284 AcroRd32.exe 81 PID 4284 wrote to memory of 1288 4284 AcroRd32.exe 81 PID 1288 wrote to memory of 316 1288 RdrCEF.exe 82 PID 1288 wrote to memory of 316 1288 RdrCEF.exe 82 PID 1288 wrote to memory of 316 1288 RdrCEF.exe 82 PID 1288 wrote to memory of 316 1288 RdrCEF.exe 82 PID 1288 wrote to memory of 316 1288 RdrCEF.exe 82 PID 1288 wrote to memory of 316 1288 RdrCEF.exe 82 PID 1288 wrote to memory of 316 1288 RdrCEF.exe 82 PID 1288 wrote to memory of 316 1288 RdrCEF.exe 82 PID 1288 wrote to memory of 316 1288 RdrCEF.exe 82 PID 1288 wrote to memory of 316 1288 RdrCEF.exe 82 PID 1288 wrote to memory of 316 1288 RdrCEF.exe 82 PID 1288 wrote to memory of 316 1288 RdrCEF.exe 82 PID 1288 wrote to memory of 316 1288 RdrCEF.exe 82 PID 1288 wrote to memory of 316 1288 RdrCEF.exe 82 PID 1288 wrote to memory of 316 1288 RdrCEF.exe 82 PID 1288 wrote to memory of 316 1288 RdrCEF.exe 82 PID 1288 wrote to memory of 316 1288 RdrCEF.exe 82 PID 1288 wrote to memory of 316 1288 RdrCEF.exe 82 PID 1288 wrote to memory of 316 1288 RdrCEF.exe 82 PID 1288 wrote to memory of 316 1288 RdrCEF.exe 82 PID 1288 wrote to memory of 316 1288 RdrCEF.exe 82 PID 1288 wrote to memory of 316 1288 RdrCEF.exe 82 PID 1288 wrote to memory of 316 1288 RdrCEF.exe 82 PID 1288 wrote to memory of 316 1288 RdrCEF.exe 82 PID 1288 wrote to memory of 316 1288 RdrCEF.exe 82 PID 1288 wrote to memory of 316 1288 RdrCEF.exe 82 PID 1288 wrote to memory of 316 1288 RdrCEF.exe 82 PID 1288 wrote to memory of 316 1288 RdrCEF.exe 82 PID 1288 wrote to memory of 316 1288 RdrCEF.exe 82 PID 1288 wrote to memory of 316 1288 RdrCEF.exe 82 PID 1288 wrote to memory of 316 1288 RdrCEF.exe 82 PID 1288 wrote to memory of 316 1288 RdrCEF.exe 82 PID 1288 wrote to memory of 316 1288 RdrCEF.exe 82 PID 1288 wrote to memory of 316 1288 RdrCEF.exe 82 PID 1288 wrote to memory of 316 1288 RdrCEF.exe 82 PID 1288 wrote to memory of 316 1288 RdrCEF.exe 82 PID 1288 wrote to memory of 316 1288 RdrCEF.exe 82 PID 1288 wrote to memory of 316 1288 RdrCEF.exe 82 PID 1288 wrote to memory of 316 1288 RdrCEF.exe 82 PID 1288 wrote to memory of 316 1288 RdrCEF.exe 82 PID 1288 wrote to memory of 316 1288 RdrCEF.exe 82 PID 1288 wrote to memory of 316 1288 RdrCEF.exe 82 PID 1288 wrote to memory of 316 1288 RdrCEF.exe 82 PID 1288 wrote to memory of 4268 1288 RdrCEF.exe 83 PID 1288 wrote to memory of 4268 1288 RdrCEF.exe 83 PID 1288 wrote to memory of 4268 1288 RdrCEF.exe 83 PID 1288 wrote to memory of 4268 1288 RdrCEF.exe 83 PID 1288 wrote to memory of 4268 1288 RdrCEF.exe 83 PID 1288 wrote to memory of 4268 1288 RdrCEF.exe 83 PID 1288 wrote to memory of 4268 1288 RdrCEF.exe 83 PID 1288 wrote to memory of 4268 1288 RdrCEF.exe 83 PID 1288 wrote to memory of 4268 1288 RdrCEF.exe 83 PID 1288 wrote to memory of 4268 1288 RdrCEF.exe 83 PID 1288 wrote to memory of 4268 1288 RdrCEF.exe 83 PID 1288 wrote to memory of 4268 1288 RdrCEF.exe 83 PID 1288 wrote to memory of 4268 1288 RdrCEF.exe 83 PID 1288 wrote to memory of 4268 1288 RdrCEF.exe 83 PID 1288 wrote to memory of 4268 1288 RdrCEF.exe 83 PID 1288 wrote to memory of 4268 1288 RdrCEF.exe 83 PID 1288 wrote to memory of 4268 1288 RdrCEF.exe 83 PID 1288 wrote to memory of 4268 1288 RdrCEF.exe 83
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\=_UTF-8_B_UHJvamVjdEZ1bmRpbmctMTQ4NTM2MTEzMS1KdW4wMS5wZGY=_=.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:4284 -
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:1288 -
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=A3D554ADEFC886E2384552C4BFB171E8 --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=2 --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=A3D554ADEFC886E2384552C4BFB171E8 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:13⤵PID:316
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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=FE6C4EFBDB2F1C85F8F6193B3B58207C --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4268
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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=CF21730E9627534483756AFEB37CD418 --mojo-platform-channel-handle=1996 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4952
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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=7BA42C05E1C0493148AFAEE2B7B59D8D --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=2 --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=7BA42C05E1C0493148AFAEE2B7B59D8D --renderer-client-id=5 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job /prefetch:13⤵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=2EE902D38BF3AC0F03F82CEF68D6214E --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2660
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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=709155B1B07D903D065FEE79EDB280CD --mojo-platform-channel-handle=2784 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4956
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5
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Filesize
64KB
MD503ad2d6534f7ce832a899b4eb26ae8e6
SHA12860a6191f48fe8a0a2bb9f81c206793a47eaea5
SHA256ef39a0155bd425dfb90a6a941195c86120ebbc77c91639e8317cea3d5f14a486
SHA5120320258119651c7eb4c7c79e240d1422b22067509353e858d7945363689cd0d253a34fe8703501f29b643c9a76849e3781ccffbd88871348fc7504f91b0eef6b