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Analysis
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max time kernel
151s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
05/12/2022, 09:39
Static task
static1
Behavioral task
behavioral1
Sample
a03513cb74284fe8b251b865f0a82e9a77327be5f8888390a4d86715c062da64.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
a03513cb74284fe8b251b865f0a82e9a77327be5f8888390a4d86715c062da64.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
a03513cb74284fe8b251b865f0a82e9a77327be5f8888390a4d86715c062da64.exe
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Size
172KB
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MD5
b234d4eb57775790ae988b5bf63a46aa
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SHA1
8b59c4413479de8224ce9a51b1454e4693a79dfc
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SHA256
a03513cb74284fe8b251b865f0a82e9a77327be5f8888390a4d86715c062da64
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SHA512
2ba9f8d16b737321f322e7ca3e482a1783d9d70a231493b7db342e96ef20a7e11433088b3831d3ee9651d1c20b11324e60927de502ae09c56bc7fd251caba7d9
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SSDEEP
768:Mg8CRIvbHa5ED3Y9gMtVAcfvreLHAIkuqmuRZuFcPhr6Ek:MCiY9X6LH9kuqmuvUcPhQ
Score
10/10
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" twruf.exe -
Executes dropped EXE 1 IoCs
pid Process 5056 twruf.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation a03513cb74284fe8b251b865f0a82e9a77327be5f8888390a4d86715c062da64.exe -
Adds Run key to start application 2 TTPs 53 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\twruf = "C:\\Users\\Admin\\twruf.exe /K" twruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\twruf = "C:\\Users\\Admin\\twruf.exe /Z" twruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\twruf = "C:\\Users\\Admin\\twruf.exe /l" twruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\twruf = "C:\\Users\\Admin\\twruf.exe /x" twruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\twruf = "C:\\Users\\Admin\\twruf.exe /X" twruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\twruf = "C:\\Users\\Admin\\twruf.exe /G" twruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\twruf = "C:\\Users\\Admin\\twruf.exe /w" twruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\twruf = "C:\\Users\\Admin\\twruf.exe /B" twruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\twruf = "C:\\Users\\Admin\\twruf.exe /p" twruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\twruf = "C:\\Users\\Admin\\twruf.exe /D" twruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\twruf = "C:\\Users\\Admin\\twruf.exe /k" twruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\twruf = "C:\\Users\\Admin\\twruf.exe /u" twruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\twruf = "C:\\Users\\Admin\\twruf.exe /a" twruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\twruf = "C:\\Users\\Admin\\twruf.exe /t" twruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\twruf = "C:\\Users\\Admin\\twruf.exe /R" twruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\twruf = "C:\\Users\\Admin\\twruf.exe /b" twruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\twruf = "C:\\Users\\Admin\\twruf.exe /n" twruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\twruf = "C:\\Users\\Admin\\twruf.exe /e" twruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\twruf = "C:\\Users\\Admin\\twruf.exe /s" twruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\twruf = "C:\\Users\\Admin\\twruf.exe /T" twruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\twruf = "C:\\Users\\Admin\\twruf.exe /y" twruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\twruf = "C:\\Users\\Admin\\twruf.exe /j" twruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\twruf = "C:\\Users\\Admin\\twruf.exe /o" twruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\twruf = "C:\\Users\\Admin\\twruf.exe /V" twruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\twruf = "C:\\Users\\Admin\\twruf.exe /H" twruf.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ twruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\twruf = "C:\\Users\\Admin\\twruf.exe /Y" twruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\twruf = "C:\\Users\\Admin\\twruf.exe /F" twruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\twruf = "C:\\Users\\Admin\\twruf.exe /i" twruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\twruf = "C:\\Users\\Admin\\twruf.exe /O" twruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\twruf = "C:\\Users\\Admin\\twruf.exe /U" twruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\twruf = "C:\\Users\\Admin\\twruf.exe /Q" twruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\twruf = "C:\\Users\\Admin\\twruf.exe /d" twruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\twruf = "C:\\Users\\Admin\\twruf.exe /m" twruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\twruf = "C:\\Users\\Admin\\twruf.exe /v" twruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\twruf = "C:\\Users\\Admin\\twruf.exe /h" twruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\twruf = "C:\\Users\\Admin\\twruf.exe /c" twruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\twruf = "C:\\Users\\Admin\\twruf.exe /E" twruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\twruf = "C:\\Users\\Admin\\twruf.exe /W" twruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\twruf = "C:\\Users\\Admin\\twruf.exe /f" twruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\twruf = "C:\\Users\\Admin\\twruf.exe /g" twruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\twruf = "C:\\Users\\Admin\\twruf.exe /I" twruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\twruf = "C:\\Users\\Admin\\twruf.exe /z" twruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\twruf = "C:\\Users\\Admin\\twruf.exe /N" twruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\twruf = "C:\\Users\\Admin\\twruf.exe /M" twruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\twruf = "C:\\Users\\Admin\\twruf.exe /S" twruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\twruf = "C:\\Users\\Admin\\twruf.exe /P" twruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\twruf = "C:\\Users\\Admin\\twruf.exe /L" twruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\twruf = "C:\\Users\\Admin\\twruf.exe /q" twruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\twruf = "C:\\Users\\Admin\\twruf.exe /r" twruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\twruf = "C:\\Users\\Admin\\twruf.exe /J" twruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\twruf = "C:\\Users\\Admin\\twruf.exe /A" twruf.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\twruf = "C:\\Users\\Admin\\twruf.exe /C" twruf.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe 5056 twruf.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4972 a03513cb74284fe8b251b865f0a82e9a77327be5f8888390a4d86715c062da64.exe 5056 twruf.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4972 wrote to memory of 5056 4972 a03513cb74284fe8b251b865f0a82e9a77327be5f8888390a4d86715c062da64.exe 81 PID 4972 wrote to memory of 5056 4972 a03513cb74284fe8b251b865f0a82e9a77327be5f8888390a4d86715c062da64.exe 81 PID 4972 wrote to memory of 5056 4972 a03513cb74284fe8b251b865f0a82e9a77327be5f8888390a4d86715c062da64.exe 81 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80 PID 5056 wrote to memory of 4972 5056 twruf.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\a03513cb74284fe8b251b865f0a82e9a77327be5f8888390a4d86715c062da64.exe"C:\Users\Admin\AppData\Local\Temp\a03513cb74284fe8b251b865f0a82e9a77327be5f8888390a4d86715c062da64.exe"1⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4972 -
C:\Users\Admin\twruf.exe"C:\Users\Admin\twruf.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5056
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
172KB
MD52de0b6cef299e5f103e808cf3f6dc768
SHA1447eb0550dc8a6bef5d615581bc367735f7be66f
SHA256d9277ae4fe28e260af314049ddc9ed1f003464017d3f72e055ab832df0f78e21
SHA5127272f30df29494929d6f8952d4980429acea9fcb60bceb58989987ef5a17f3e0d761c619797e71137c7b5400d21fff6e643db4272d10fa769228b7a7d196efef
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Filesize
172KB
MD52de0b6cef299e5f103e808cf3f6dc768
SHA1447eb0550dc8a6bef5d615581bc367735f7be66f
SHA256d9277ae4fe28e260af314049ddc9ed1f003464017d3f72e055ab832df0f78e21
SHA5127272f30df29494929d6f8952d4980429acea9fcb60bceb58989987ef5a17f3e0d761c619797e71137c7b5400d21fff6e643db4272d10fa769228b7a7d196efef