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Analysis
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max time kernel
88s -
max time network
90s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
12/02/2024, 17:59
Behavioral task
behavioral1
Sample
hellokitty/NTRUEncrypt/autogen.sh
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
hellokitty/NTRUEncrypt/autogen.sh
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
hellokitty/NTRUEncrypt/doc/UserNotes-NTRUEncrypt.pdf
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
hellokitty/NTRUEncrypt/doc/UserNotes-NTRUEncrypt.pdf
Resource
win10v2004-20231215-en
Behavioral task
behavioral5
Sample
hellokitty/NTRUEncrypt/src/ntru_crypto_ntru_encrypt.js
Resource
win7-20231129-en
Behavioral task
behavioral6
Sample
hellokitty/NTRUEncrypt/src/ntru_crypto_ntru_encrypt.js
Resource
win10v2004-20231222-en
General
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Target
hellokitty/NTRUEncrypt/doc/UserNotes-NTRUEncrypt.pdf
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Size
676KB
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MD5
a8cc8bfa4812cc91209bcd14d73c8a5c
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SHA1
0b92915a5c9e07b0d1d1db85a808065988a44e76
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SHA256
79bd948d30ab3acbb7b653da9206b0d1a17694fab177b87d578a201af16aeeea
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SHA512
7c9b0923d783f270eb96a79c3345a84a7efc70fe0da4decd306c692c304445e478cac59f4eabb138cb3bb36ecf6bef4233c269ffcae77d0878aa0d61cc648aa2
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SSDEEP
12288:iV20k29OZHhlxCMqIc/5kdnUgkTAW1vJDTvTy4jh/phC2bRcaft9nVGQCCdCpade:iV20koOZHcM1NkP1vhDTy4ZDdbRcYqa8
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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 468 AcroRd32.exe 468 AcroRd32.exe 468 AcroRd32.exe 468 AcroRd32.exe 468 AcroRd32.exe 468 AcroRd32.exe 468 AcroRd32.exe 468 AcroRd32.exe 468 AcroRd32.exe 468 AcroRd32.exe 468 AcroRd32.exe 468 AcroRd32.exe 468 AcroRd32.exe 468 AcroRd32.exe 468 AcroRd32.exe 468 AcroRd32.exe 468 AcroRd32.exe 468 AcroRd32.exe 468 AcroRd32.exe 468 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 468 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 468 AcroRd32.exe 468 AcroRd32.exe 468 AcroRd32.exe 468 AcroRd32.exe 468 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 468 wrote to memory of 2024 468 AcroRd32.exe 85 PID 468 wrote to memory of 2024 468 AcroRd32.exe 85 PID 468 wrote to memory of 2024 468 AcroRd32.exe 85 PID 2024 wrote to memory of 3472 2024 RdrCEF.exe 86 PID 2024 wrote to memory of 3472 2024 RdrCEF.exe 86 PID 2024 wrote to memory of 3472 2024 RdrCEF.exe 86 PID 2024 wrote to memory of 3472 2024 RdrCEF.exe 86 PID 2024 wrote to memory of 3472 2024 RdrCEF.exe 86 PID 2024 wrote to memory of 3472 2024 RdrCEF.exe 86 PID 2024 wrote to memory of 3472 2024 RdrCEF.exe 86 PID 2024 wrote to memory of 3472 2024 RdrCEF.exe 86 PID 2024 wrote to memory of 3472 2024 RdrCEF.exe 86 PID 2024 wrote to memory of 3472 2024 RdrCEF.exe 86 PID 2024 wrote to memory of 3472 2024 RdrCEF.exe 86 PID 2024 wrote to memory of 3472 2024 RdrCEF.exe 86 PID 2024 wrote to memory of 3472 2024 RdrCEF.exe 86 PID 2024 wrote to memory of 3472 2024 RdrCEF.exe 86 PID 2024 wrote to memory of 3472 2024 RdrCEF.exe 86 PID 2024 wrote to memory of 3472 2024 RdrCEF.exe 86 PID 2024 wrote to memory of 3472 2024 RdrCEF.exe 86 PID 2024 wrote to memory of 3472 2024 RdrCEF.exe 86 PID 2024 wrote to memory of 3472 2024 RdrCEF.exe 86 PID 2024 wrote to memory of 3472 2024 RdrCEF.exe 86 PID 2024 wrote to memory of 3472 2024 RdrCEF.exe 86 PID 2024 wrote to memory of 3472 2024 RdrCEF.exe 86 PID 2024 wrote to memory of 3472 2024 RdrCEF.exe 86 PID 2024 wrote to memory of 3472 2024 RdrCEF.exe 86 PID 2024 wrote to memory of 3472 2024 RdrCEF.exe 86 PID 2024 wrote to memory of 3472 2024 RdrCEF.exe 86 PID 2024 wrote to memory of 3472 2024 RdrCEF.exe 86 PID 2024 wrote to memory of 3472 2024 RdrCEF.exe 86 PID 2024 wrote to memory of 3472 2024 RdrCEF.exe 86 PID 2024 wrote to memory of 3472 2024 RdrCEF.exe 86 PID 2024 wrote to memory of 3472 2024 RdrCEF.exe 86 PID 2024 wrote to memory of 3472 2024 RdrCEF.exe 86 PID 2024 wrote to memory of 3472 2024 RdrCEF.exe 86 PID 2024 wrote to memory of 3472 2024 RdrCEF.exe 86 PID 2024 wrote to memory of 3472 2024 RdrCEF.exe 86 PID 2024 wrote to memory of 3472 2024 RdrCEF.exe 86 PID 2024 wrote to memory of 3472 2024 RdrCEF.exe 86 PID 2024 wrote to memory of 3472 2024 RdrCEF.exe 86 PID 2024 wrote to memory of 3472 2024 RdrCEF.exe 86 PID 2024 wrote to memory of 3472 2024 RdrCEF.exe 86 PID 2024 wrote to memory of 3472 2024 RdrCEF.exe 86 PID 2024 wrote to memory of 3708 2024 RdrCEF.exe 87 PID 2024 wrote to memory of 3708 2024 RdrCEF.exe 87 PID 2024 wrote to memory of 3708 2024 RdrCEF.exe 87 PID 2024 wrote to memory of 3708 2024 RdrCEF.exe 87 PID 2024 wrote to memory of 3708 2024 RdrCEF.exe 87 PID 2024 wrote to memory of 3708 2024 RdrCEF.exe 87 PID 2024 wrote to memory of 3708 2024 RdrCEF.exe 87 PID 2024 wrote to memory of 3708 2024 RdrCEF.exe 87 PID 2024 wrote to memory of 3708 2024 RdrCEF.exe 87 PID 2024 wrote to memory of 3708 2024 RdrCEF.exe 87 PID 2024 wrote to memory of 3708 2024 RdrCEF.exe 87 PID 2024 wrote to memory of 3708 2024 RdrCEF.exe 87 PID 2024 wrote to memory of 3708 2024 RdrCEF.exe 87 PID 2024 wrote to memory of 3708 2024 RdrCEF.exe 87 PID 2024 wrote to memory of 3708 2024 RdrCEF.exe 87 PID 2024 wrote to memory of 3708 2024 RdrCEF.exe 87 PID 2024 wrote to memory of 3708 2024 RdrCEF.exe 87 PID 2024 wrote to memory of 3708 2024 RdrCEF.exe 87 PID 2024 wrote to memory of 3708 2024 RdrCEF.exe 87 PID 2024 wrote to memory of 3708 2024 RdrCEF.exe 87
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\hellokitty\NTRUEncrypt\doc\UserNotes-NTRUEncrypt.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:468 -
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:2024 -
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=A492CD387E614FDB806B5AD1B28DAA58 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3472
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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=13F40D79BAC48039AA4CAD68DB2AA820 --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=13F40D79BAC48039AA4CAD68DB2AA820 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:13⤵PID:3708
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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=5C1852C2987A95EFD369EA02C0B041A4 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1436
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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=3715CDB357DFFC9EBBB5257283C7DA0A --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3348
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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=F1C6963AFDEC33EC13558DBFB8920FB1 --mojo-platform-channel-handle=2248 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2692
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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=48F08D6E4543EB002A43E876E5A6805F --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=48F08D6E4543EB002A43E876E5A6805F --renderer-client-id=7 --mojo-platform-channel-handle=1848 --allow-no-sandbox-job /prefetch:13⤵PID:3404
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:2268
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD514c55fbe413b5f1fe70d159ae61a097a
SHA10580fea364107cf1a428255ab949b7fb8645845e
SHA25627b2a66e1caf1cbf8a287bfc2b22fa1c62b4128d4061dd1ecf2cbd32e6b0978a
SHA512e195be992679944bd580fc6371a2e83c724c9516a90b67e2d6bf92b20c03e70e68db5858d9c724534b5377c287ee0d0ef657761eb2827f7555b0cf35deca3e34
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5