Analysis
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max time kernel
141s -
max time network
136s -
platform
windows11-21h2_x64 -
resource
win11-20240611-en -
resource tags
arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system -
submitted
24-06-2024 11:56
Behavioral task
behavioral1
Sample
G02 Cuestionario - Excel C + C + GS.pdf
Resource
win11-20240611-en
General
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Target
G02 Cuestionario - Excel C + C + GS.pdf
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Size
619KB
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MD5
33fce578b33422e39be1cd8ffac0b07a
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SHA1
6b5872db416f1251bf85532d96e35f480165131c
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SHA256
a3954a3dd33094f02ee7e41fe83634a936c043186c0e29d2b5e3e081f52436c9
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SHA512
fe0a9d7623737c60767f6003c9a970947919885872674f47404bbb2d57dad89d06c1a74f8d023d6de5dd0a5e2a72b4f83c197426ef6e5350361481552714c421
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SSDEEP
12288:4cGfQxhUyDfg+P/bjPzWbc27zeRv+NXTpjYrF:fGfqhpE+3HSbc2neRvYNa
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.
Processes:
AcroRd32.exedescription 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 -
Processes:
AcroRd32.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-423582142-4191893794-1888535462-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
AcroRd32.exepid process 3308 AcroRd32.exe 3308 AcroRd32.exe 3308 AcroRd32.exe 3308 AcroRd32.exe 3308 AcroRd32.exe 3308 AcroRd32.exe 3308 AcroRd32.exe 3308 AcroRd32.exe 3308 AcroRd32.exe 3308 AcroRd32.exe 3308 AcroRd32.exe 3308 AcroRd32.exe 3308 AcroRd32.exe 3308 AcroRd32.exe 3308 AcroRd32.exe 3308 AcroRd32.exe 3308 AcroRd32.exe 3308 AcroRd32.exe 3308 AcroRd32.exe 3308 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 3308 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 7 IoCs
Processes:
AcroRd32.exepid process 3308 AcroRd32.exe 3308 AcroRd32.exe 3308 AcroRd32.exe 3308 AcroRd32.exe 3308 AcroRd32.exe 3308 AcroRd32.exe 3308 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 3308 wrote to memory of 3128 3308 AcroRd32.exe RdrCEF.exe PID 3308 wrote to memory of 3128 3308 AcroRd32.exe RdrCEF.exe PID 3308 wrote to memory of 3128 3308 AcroRd32.exe RdrCEF.exe PID 3128 wrote to memory of 4956 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 4956 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 4956 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 4956 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 4956 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 4956 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 4956 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 4956 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 4956 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 4956 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 4956 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 4956 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 4956 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 4956 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 4956 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 4956 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 4956 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 4956 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 4956 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 4956 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 4956 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 4956 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 4956 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 4956 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 4956 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 4956 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 4956 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 4956 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 4956 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 4956 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 4956 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 4956 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 4956 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 4956 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 4956 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 4956 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 4956 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 4956 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 4956 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 4956 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 4956 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 2740 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 2740 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 2740 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 2740 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 2740 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 2740 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 2740 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 2740 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 2740 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 2740 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 2740 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 2740 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 2740 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 2740 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 2740 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 2740 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 2740 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 2740 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 2740 3128 RdrCEF.exe RdrCEF.exe PID 3128 wrote to memory of 2740 3128 RdrCEF.exe RdrCEF.exe
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\G02 Cuestionario - Excel C + C + GS.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:3308 -
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:3128 -
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=8A8C366978C21827586DEB1A58AC655C --mojo-platform-channel-handle=1764 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4956
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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=0C8A8BD2882397C29C04F8FF7907ED1D --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=0C8A8BD2882397C29C04F8FF7907ED1D --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:13⤵PID:2740
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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=8D9D5D4221734C9A2D7C946A8EC41F02 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2768
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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=70AD748448F202A60FDE5899662E9AF3 --mojo-platform-channel-handle=1928 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:5092
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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=C59C598724612A148DFF9CDA579289F3 --mojo-platform-channel-handle=2536 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:692
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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=176F1EFAA245D24F8E24DC45A29699EE --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=176F1EFAA245D24F8E24DC45A29699EE --renderer-client-id=7 --mojo-platform-channel-handle=2012 --allow-no-sandbox-job /prefetch:13⤵PID:2932
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:1380
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD5c1fca751c92bb34b5974d7cc02abd4b0
SHA1545a0395299cda8d208f59912af3f82288ea4b15
SHA256c9ba76914dca5c4887b4197982a6cea1467c1fdc481d0f2aa7300d60f03eae5c
SHA512168a30d90276be7534a17a9b2ec55c36dba9297f38824e36140e80b30acea20230c9a17b801d9e4bbc9e494b5c6b4f5540b96c2be6c9b08585e0fc974a1e2def
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5