Analysis
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max time kernel
164s -
max time network
193s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
05-12-2022 08:20
Static task
static1
Behavioral task
behavioral1
Sample
b4d8cbb009ef673f1bfecb29eef8782cd1fe6bb0f3a9e852aedb7c46af678681.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
b4d8cbb009ef673f1bfecb29eef8782cd1fe6bb0f3a9e852aedb7c46af678681.exe
Resource
win10v2004-20220901-en
General
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Target
b4d8cbb009ef673f1bfecb29eef8782cd1fe6bb0f3a9e852aedb7c46af678681.exe
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Size
65KB
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MD5
fc3aa77df7e6002743a7ed4abf4093fe
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SHA1
4a57658915176db558e2952d2ba142e4cc234ff1
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SHA256
b4d8cbb009ef673f1bfecb29eef8782cd1fe6bb0f3a9e852aedb7c46af678681
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SHA512
eaf95a0a4e38a3ab28f35a22d890829a967811d75da7340321666dce74a0e5f520e97403bb2b74312aaf7720b945ff6a7e63cafeb37fd733bffbb44cb05040e5
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SSDEEP
768:ZmpM8yr+1afhsF5jPoJHOP97Fe/k2h3YZUTrWk93n/OGVUunkoqoR0yEa+gPXSSv:ZaIOkqoFs9Zud/O59a3PX7uQ
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
pid Process 1920 msnsmgrs.exe 384 msnsmgrs.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ b4d8cbb009ef673f1bfecb29eef8782cd1fe6bb0f3a9e852aedb7c46af678681.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Rundll Center = "msnsmgrs.exe" b4d8cbb009ef673f1bfecb29eef8782cd1fe6bb0f3a9e852aedb7c46af678681.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1736 set thread context of 2020 1736 b4d8cbb009ef673f1bfecb29eef8782cd1fe6bb0f3a9e852aedb7c46af678681.exe 28 PID 1920 set thread context of 384 1920 msnsmgrs.exe 31 -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\msnsmgrs.exe b4d8cbb009ef673f1bfecb29eef8782cd1fe6bb0f3a9e852aedb7c46af678681.exe File created C:\Windows\msnsmgrs.exe b4d8cbb009ef673f1bfecb29eef8782cd1fe6bb0f3a9e852aedb7c46af678681.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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description ioc Process Key created \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DOMStorage\myspace.com\ = "0" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DOMStorage IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DOMStorage\Total IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DOMStorage\myspace.com\ = "34" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DOMStorage\Total\ = "34" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DOMStorage\myspace.com\Total = "34" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\SearchScopes iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DOMStorage\myspacecdn.com\NumberOfSubdomains = "1" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DOMStorage\myspace.com\NumberOfSubdomains = "1" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000fbec07815684004d899a318f710de6af000000000200000000001066000000010000200000003ac6829ac2a4258e3c501e3ca49ca9c4d2f745dd678552bcc9d861cd055b719c000000000e8000000002000020000000ca3fcec14321f7e87ec750037da05f148c7aa5d8c01bbf7f9b8648bd0b5485eb200000007d7e37884626dd6a2a34b7c12d5f0c7cd68b09bdb586e68aedfc123a0f11e6cd40000000527d77115005b9862b8bca51409b237b683aa6719a177a15e886b25a3ccae1aa192fdd4ae1f4c7dab8c54e41d5fcd44e3d0205544eee8bfb230e5701b5c38611 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DOMStorage\myspace.com\Total = "0" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "377352713" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 40054847c70bd901 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{3855E891-77BA-11ED-A6F1-EED7317926BC} = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DOMStorage\Total\ = "0" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DOMStorage\myspacecdn.com IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DOMStorage\myspace.com IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1196 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 1196 iexplore.exe 1196 iexplore.exe 1620 IEXPLORE.EXE 1620 IEXPLORE.EXE 1620 IEXPLORE.EXE 1620 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 33 IoCs
description pid Process procid_target PID 1736 wrote to memory of 2020 1736 b4d8cbb009ef673f1bfecb29eef8782cd1fe6bb0f3a9e852aedb7c46af678681.exe 28 PID 1736 wrote to memory of 2020 1736 b4d8cbb009ef673f1bfecb29eef8782cd1fe6bb0f3a9e852aedb7c46af678681.exe 28 PID 1736 wrote to memory of 2020 1736 b4d8cbb009ef673f1bfecb29eef8782cd1fe6bb0f3a9e852aedb7c46af678681.exe 28 PID 1736 wrote to memory of 2020 1736 b4d8cbb009ef673f1bfecb29eef8782cd1fe6bb0f3a9e852aedb7c46af678681.exe 28 PID 1736 wrote to memory of 2020 1736 b4d8cbb009ef673f1bfecb29eef8782cd1fe6bb0f3a9e852aedb7c46af678681.exe 28 PID 1736 wrote to memory of 2020 1736 b4d8cbb009ef673f1bfecb29eef8782cd1fe6bb0f3a9e852aedb7c46af678681.exe 28 PID 1736 wrote to memory of 2020 1736 b4d8cbb009ef673f1bfecb29eef8782cd1fe6bb0f3a9e852aedb7c46af678681.exe 28 PID 1736 wrote to memory of 2020 1736 b4d8cbb009ef673f1bfecb29eef8782cd1fe6bb0f3a9e852aedb7c46af678681.exe 28 PID 1736 wrote to memory of 2020 1736 b4d8cbb009ef673f1bfecb29eef8782cd1fe6bb0f3a9e852aedb7c46af678681.exe 28 PID 2020 wrote to memory of 556 2020 b4d8cbb009ef673f1bfecb29eef8782cd1fe6bb0f3a9e852aedb7c46af678681.exe 29 PID 2020 wrote to memory of 556 2020 b4d8cbb009ef673f1bfecb29eef8782cd1fe6bb0f3a9e852aedb7c46af678681.exe 29 PID 2020 wrote to memory of 556 2020 b4d8cbb009ef673f1bfecb29eef8782cd1fe6bb0f3a9e852aedb7c46af678681.exe 29 PID 2020 wrote to memory of 556 2020 b4d8cbb009ef673f1bfecb29eef8782cd1fe6bb0f3a9e852aedb7c46af678681.exe 29 PID 2020 wrote to memory of 1920 2020 b4d8cbb009ef673f1bfecb29eef8782cd1fe6bb0f3a9e852aedb7c46af678681.exe 30 PID 2020 wrote to memory of 1920 2020 b4d8cbb009ef673f1bfecb29eef8782cd1fe6bb0f3a9e852aedb7c46af678681.exe 30 PID 2020 wrote to memory of 1920 2020 b4d8cbb009ef673f1bfecb29eef8782cd1fe6bb0f3a9e852aedb7c46af678681.exe 30 PID 2020 wrote to memory of 1920 2020 b4d8cbb009ef673f1bfecb29eef8782cd1fe6bb0f3a9e852aedb7c46af678681.exe 30 PID 1920 wrote to memory of 384 1920 msnsmgrs.exe 31 PID 1920 wrote to memory of 384 1920 msnsmgrs.exe 31 PID 1920 wrote to memory of 384 1920 msnsmgrs.exe 31 PID 1920 wrote to memory of 384 1920 msnsmgrs.exe 31 PID 1920 wrote to memory of 384 1920 msnsmgrs.exe 31 PID 1920 wrote to memory of 384 1920 msnsmgrs.exe 31 PID 1920 wrote to memory of 384 1920 msnsmgrs.exe 31 PID 1920 wrote to memory of 384 1920 msnsmgrs.exe 31 PID 1920 wrote to memory of 384 1920 msnsmgrs.exe 31 PID 1572 wrote to memory of 1196 1572 explorer.exe 33 PID 1572 wrote to memory of 1196 1572 explorer.exe 33 PID 1572 wrote to memory of 1196 1572 explorer.exe 33 PID 1196 wrote to memory of 1620 1196 iexplore.exe 35 PID 1196 wrote to memory of 1620 1196 iexplore.exe 35 PID 1196 wrote to memory of 1620 1196 iexplore.exe 35 PID 1196 wrote to memory of 1620 1196 iexplore.exe 35
Processes
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C:\Users\Admin\AppData\Local\Temp\b4d8cbb009ef673f1bfecb29eef8782cd1fe6bb0f3a9e852aedb7c46af678681.exe"C:\Users\Admin\AppData\Local\Temp\b4d8cbb009ef673f1bfecb29eef8782cd1fe6bb0f3a9e852aedb7c46af678681.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1736 -
C:\Users\Admin\AppData\Local\Temp\b4d8cbb009ef673f1bfecb29eef8782cd1fe6bb0f3a9e852aedb7c46af678681.exe"C:\Users\Admin\AppData\Local\Temp\b4d8cbb009ef673f1bfecb29eef8782cd1fe6bb0f3a9e852aedb7c46af678681.exe"2⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2020 -
C:\Windows\SysWOW64\explorer.exe"C:\Windows\System32\explorer.exe" http://browseusers.myspace.com/Browse/Browse.aspx3⤵PID:556
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C:\Windows\msnsmgrs.exe"C:\Windows\msnsmgrs.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1920 -
C:\Windows\msnsmgrs.exe"C:\Windows\msnsmgrs.exe"4⤵
- Executes dropped EXE
PID:384
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C:\Windows\explorer.exeC:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding1⤵
- Suspicious use of WriteProcessMemory
PID:1572 -
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" http://browseusers.myspace.com/Browse/Browse.aspx2⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1196 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1196 CREDAT:275457 /prefetch:23⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1620
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
61KB
MD5fc4666cbca561e864e7fdf883a9e6661
SHA12f8d6094c7a34bf12ea0bbf0d51ee9c5bb7939a5
SHA25610f3deb6c452d749a7451b5d065f4c0449737e5ee8a44f4d15844b503141e65b
SHA512c71f54b571e01f247f072be4bbebdf5d8410b67eb79a61e7e0d9853fe857ab9bd12f53e6af3394b935560178107291fc4be351b27deb388eba90ba949633d57d
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize342B
MD549957d88d4c423eb87b767c664dcde17
SHA10c89b8de062132ec690a14f1f8e203782f5a3147
SHA2569681e961c9b81dde2346505e5616a75267bc76b88dbbcf9ac690ea29731f1dd5
SHA512b858f6dd634b4f9b3cc678f98bd32fbc69c9d5afd2cdf72e5d3660b932cf1f8293560b5b13f803a2dd144895b5fc1a5f94256f0ffcc0f0e83a95f8aef5bef2a0
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Filesize
601B
MD5f187ab5dd19d17e662eab7a7182fac45
SHA1b9e6fe4e4ef37d95baa3e492fbe2356f5ae975e7
SHA2567af605eaf31ef3ab3b3cc10cd620df8bdeafb371aee3399caddbb538aa0930ec
SHA5129acb7ad73cc08342cea78d80abba3442d258175652bffce015967d0b4a1d990f5e7bb127a7d414f451e2e66ab5b2967c2c561217b7180d275f3a2b03efdf3e9e
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Filesize
65KB
MD5fc3aa77df7e6002743a7ed4abf4093fe
SHA14a57658915176db558e2952d2ba142e4cc234ff1
SHA256b4d8cbb009ef673f1bfecb29eef8782cd1fe6bb0f3a9e852aedb7c46af678681
SHA512eaf95a0a4e38a3ab28f35a22d890829a967811d75da7340321666dce74a0e5f520e97403bb2b74312aaf7720b945ff6a7e63cafeb37fd733bffbb44cb05040e5
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Filesize
65KB
MD5fc3aa77df7e6002743a7ed4abf4093fe
SHA14a57658915176db558e2952d2ba142e4cc234ff1
SHA256b4d8cbb009ef673f1bfecb29eef8782cd1fe6bb0f3a9e852aedb7c46af678681
SHA512eaf95a0a4e38a3ab28f35a22d890829a967811d75da7340321666dce74a0e5f520e97403bb2b74312aaf7720b945ff6a7e63cafeb37fd733bffbb44cb05040e5
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Filesize
65KB
MD5fc3aa77df7e6002743a7ed4abf4093fe
SHA14a57658915176db558e2952d2ba142e4cc234ff1
SHA256b4d8cbb009ef673f1bfecb29eef8782cd1fe6bb0f3a9e852aedb7c46af678681
SHA512eaf95a0a4e38a3ab28f35a22d890829a967811d75da7340321666dce74a0e5f520e97403bb2b74312aaf7720b945ff6a7e63cafeb37fd733bffbb44cb05040e5