Analysis
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max time kernel
98s -
max time network
140s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
30/10/2022, 15:54
Static task
static1
Behavioral task
behavioral1
Sample
798479e467f07ef22b137edcc014503061dc2777880705d9cc5237cd9d5de9dd.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
798479e467f07ef22b137edcc014503061dc2777880705d9cc5237cd9d5de9dd.exe
Resource
win10v2004-20220901-en
General
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Target
798479e467f07ef22b137edcc014503061dc2777880705d9cc5237cd9d5de9dd.exe
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Size
581KB
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MD5
8342cde1f43cd7c0d210afdd39720a6a
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SHA1
ec3e586e0a65039e5c5d43cdee8e6cba7238a851
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SHA256
798479e467f07ef22b137edcc014503061dc2777880705d9cc5237cd9d5de9dd
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SHA512
475355ae2832a351dbf50e26296c0e4b9161b3cc2bf8cf232769327d08d99aa581572b29f323408d1c247099edf1fe490562c2082d1c40fd3bdf948ef001acdd
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SSDEEP
12288:uoMDtCi7NFlZnNqZ9xGrLpZ0ZHEqtgb0UL:ufplNFgxG5eZngb0k
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
pid Process 2036 nbfile0.exe 1464 nbfile1.exe -
Loads dropped DLL 7 IoCs
pid Process 2012 798479e467f07ef22b137edcc014503061dc2777880705d9cc5237cd9d5de9dd.exe 2012 798479e467f07ef22b137edcc014503061dc2777880705d9cc5237cd9d5de9dd.exe 2012 798479e467f07ef22b137edcc014503061dc2777880705d9cc5237cd9d5de9dd.exe 2012 798479e467f07ef22b137edcc014503061dc2777880705d9cc5237cd9d5de9dd.exe 1464 nbfile1.exe 1464 nbfile1.exe 1464 nbfile1.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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NSIS installer 7 IoCs
resource yara_rule behavioral1/files/0x000a0000000122db-70.dat nsis_installer_2 behavioral1/files/0x000a0000000122db-68.dat nsis_installer_2 behavioral1/files/0x000a0000000122db-66.dat nsis_installer_2 behavioral1/files/0x000a0000000122db-65.dat nsis_installer_2 behavioral1/files/0x000a0000000122db-72.dat nsis_installer_2 behavioral1/files/0x000a0000000122db-71.dat nsis_installer_2 behavioral1/files/0x000a0000000122db-73.dat nsis_installer_2 -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\PageSetup IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IETld\LowMic IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000048ca5449a4d21846ba8a995ea0abd35a0000000002000000000010660000000100002000000089cc53275fbce00b01b77877146317c51b8a9bc7b06f29237dd6141748a8d565000000000e8000000002000020000000196fbbcb77a31274d939597cfe6eb5bcdb443ee5b59ccf927b22a185415eddd92000000086c88210f4dd22987d498ee3088ac953f1ddac109e394d3e41df61a20c301e58400000007de2c52c2b3a85b7feebb33c111473c9b16a926acc029ad9b98770daf50a5a5a0c9f6ca79e8dcdcfd084451ca498212c9221754b2ad83627ca35ee51f5216b76 IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "373965655" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\InternetRegistry IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 60956106f9ecd801 IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IntelliForms IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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 IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Zoom IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{26B9CB71-58EC-11ED-B243-5AF036119C64} = "0" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing IEXPLORE.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2036 nbfile0.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2040 IEXPLORE.EXE -
Suspicious use of SetWindowsHookEx 7 IoCs
pid Process 2036 nbfile0.exe 2040 IEXPLORE.EXE 2040 IEXPLORE.EXE 632 IEXPLORE.EXE 632 IEXPLORE.EXE 632 IEXPLORE.EXE 632 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 37 IoCs
description pid Process procid_target PID 2012 wrote to memory of 2036 2012 798479e467f07ef22b137edcc014503061dc2777880705d9cc5237cd9d5de9dd.exe 27 PID 2012 wrote to memory of 2036 2012 798479e467f07ef22b137edcc014503061dc2777880705d9cc5237cd9d5de9dd.exe 27 PID 2012 wrote to memory of 2036 2012 798479e467f07ef22b137edcc014503061dc2777880705d9cc5237cd9d5de9dd.exe 27 PID 2012 wrote to memory of 2036 2012 798479e467f07ef22b137edcc014503061dc2777880705d9cc5237cd9d5de9dd.exe 27 PID 2036 wrote to memory of 2040 2036 nbfile0.exe 28 PID 2036 wrote to memory of 2040 2036 nbfile0.exe 28 PID 2036 wrote to memory of 2040 2036 nbfile0.exe 28 PID 2036 wrote to memory of 2040 2036 nbfile0.exe 28 PID 2040 wrote to memory of 632 2040 IEXPLORE.EXE 30 PID 2040 wrote to memory of 632 2040 IEXPLORE.EXE 30 PID 2040 wrote to memory of 632 2040 IEXPLORE.EXE 30 PID 2040 wrote to memory of 632 2040 IEXPLORE.EXE 30 PID 2036 wrote to memory of 1544 2036 nbfile0.exe 31 PID 2036 wrote to memory of 1544 2036 nbfile0.exe 31 PID 2036 wrote to memory of 1544 2036 nbfile0.exe 31 PID 2036 wrote to memory of 1544 2036 nbfile0.exe 31 PID 2012 wrote to memory of 1464 2012 798479e467f07ef22b137edcc014503061dc2777880705d9cc5237cd9d5de9dd.exe 32 PID 2012 wrote to memory of 1464 2012 798479e467f07ef22b137edcc014503061dc2777880705d9cc5237cd9d5de9dd.exe 32 PID 2012 wrote to memory of 1464 2012 798479e467f07ef22b137edcc014503061dc2777880705d9cc5237cd9d5de9dd.exe 32 PID 2012 wrote to memory of 1464 2012 798479e467f07ef22b137edcc014503061dc2777880705d9cc5237cd9d5de9dd.exe 32 PID 2012 wrote to memory of 1464 2012 798479e467f07ef22b137edcc014503061dc2777880705d9cc5237cd9d5de9dd.exe 32 PID 2012 wrote to memory of 1464 2012 798479e467f07ef22b137edcc014503061dc2777880705d9cc5237cd9d5de9dd.exe 32 PID 2012 wrote to memory of 1464 2012 798479e467f07ef22b137edcc014503061dc2777880705d9cc5237cd9d5de9dd.exe 32 PID 1464 wrote to memory of 1536 1464 nbfile1.exe 33 PID 1464 wrote to memory of 1536 1464 nbfile1.exe 33 PID 1464 wrote to memory of 1536 1464 nbfile1.exe 33 PID 1464 wrote to memory of 1536 1464 nbfile1.exe 33 PID 1464 wrote to memory of 1536 1464 nbfile1.exe 33 PID 1464 wrote to memory of 1536 1464 nbfile1.exe 33 PID 1464 wrote to memory of 1536 1464 nbfile1.exe 33 PID 1464 wrote to memory of 1976 1464 nbfile1.exe 34 PID 1464 wrote to memory of 1976 1464 nbfile1.exe 34 PID 1464 wrote to memory of 1976 1464 nbfile1.exe 34 PID 1464 wrote to memory of 1976 1464 nbfile1.exe 34 PID 1464 wrote to memory of 1976 1464 nbfile1.exe 34 PID 1464 wrote to memory of 1976 1464 nbfile1.exe 34 PID 1464 wrote to memory of 1976 1464 nbfile1.exe 34
Processes
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C:\Users\Admin\AppData\Local\Temp\798479e467f07ef22b137edcc014503061dc2777880705d9cc5237cd9d5de9dd.exe"C:\Users\Admin\AppData\Local\Temp\798479e467f07ef22b137edcc014503061dc2777880705d9cc5237cd9d5de9dd.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2012 -
C:\Users\Admin\AppData\Local\Temp\nbfile0.exeC:\Users\Admin\AppData\Local\Temp\nbfile0.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2036 -
C:\Program Files\Internet Explorer\IEXPLORE.EXE"C:\Program Files\Internet Explorer\IEXPLORE.EXE" http://down.97199.com/install2/?sl33⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2040 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2040 CREDAT:275457 /prefetch:24⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:632
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\nbfile0.exe3⤵PID:1544
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C:\Users\Admin\AppData\Local\Temp\nbfile1.exeC:\Users\Admin\AppData\Local\Temp\nbfile1.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1464 -
C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\newsetup.vbs"3⤵PID:1536
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\1.vbs"3⤵PID:1976
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
467KB
MD574869a0346ab36bbba85022612505121
SHA12cd02f46f2f9f46eaf15fce40a3bf4781f80cf8a
SHA2566de866b5c8abb1db9b2be231b365c1aa029118fbc58823f443f00e3a33dff18a
SHA512723812083113cff82aa5e2243759c572518865e351cc81b7c2b85a05557862dbbd7a98b964ff6f3aa3802bb5d4dab01a14147211495fc5803d9ddb7b715f4de5
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Filesize
52KB
MD5c4ddf11ebdbf9d8397d710d2cb4e2fab
SHA18008c97e7d6ff92deb3e1755a614f4afedca92b9
SHA25667a632049e45c25de35b533659624ca24f8e70447abca015bf5776ce6cb3ded6
SHA5123c9be7b92208e8c0f57ab8048108714e06b2aa896a479f61637a93a9eacb4818fcb25ce3d4e1a24086558daeae65d4b482b2c1cfba3df202c396e2bc218362e9
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Filesize
52KB
MD5c4ddf11ebdbf9d8397d710d2cb4e2fab
SHA18008c97e7d6ff92deb3e1755a614f4afedca92b9
SHA25667a632049e45c25de35b533659624ca24f8e70447abca015bf5776ce6cb3ded6
SHA5123c9be7b92208e8c0f57ab8048108714e06b2aa896a479f61637a93a9eacb4818fcb25ce3d4e1a24086558daeae65d4b482b2c1cfba3df202c396e2bc218362e9
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Filesize
603B
MD51c67a8c4799dd7d36ec7133dd856507d
SHA11622fdb1f402aa7d10f291198714a81e7890ea11
SHA256783d9b01b8e1e56e8580cfbdcb1c96b93bdd51da15745fd7db08b741fe8ee4d3
SHA51286885c30c7a55b44b88d56ef34279d562cff84db67eff11afb071d3e33141fed1a4480a97707fc90951259a1914d0079ad14f2e63626861507e6b58f7b598354
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Filesize
651B
MD54736e7158c27f244482f5a614b9dbdae
SHA1d3a0e95a81e9e3ec95cfd596b25749a0e24e27b9
SHA256b8229bc8d6b0013858fb9599cb510afa4566a439164b2c7444c449540a124acc
SHA512cebf895dd3ec3822c42b78bac49c685b063cb5afcbcfb3850b073cb118d086c5fa75ec50b6e73d90e14f2c6b595752ad87910b8cf27378424d72a9ea309bf824
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Filesize
467KB
MD574869a0346ab36bbba85022612505121
SHA12cd02f46f2f9f46eaf15fce40a3bf4781f80cf8a
SHA2566de866b5c8abb1db9b2be231b365c1aa029118fbc58823f443f00e3a33dff18a
SHA512723812083113cff82aa5e2243759c572518865e351cc81b7c2b85a05557862dbbd7a98b964ff6f3aa3802bb5d4dab01a14147211495fc5803d9ddb7b715f4de5
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Filesize
467KB
MD574869a0346ab36bbba85022612505121
SHA12cd02f46f2f9f46eaf15fce40a3bf4781f80cf8a
SHA2566de866b5c8abb1db9b2be231b365c1aa029118fbc58823f443f00e3a33dff18a
SHA512723812083113cff82aa5e2243759c572518865e351cc81b7c2b85a05557862dbbd7a98b964ff6f3aa3802bb5d4dab01a14147211495fc5803d9ddb7b715f4de5
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Filesize
52KB
MD5c4ddf11ebdbf9d8397d710d2cb4e2fab
SHA18008c97e7d6ff92deb3e1755a614f4afedca92b9
SHA25667a632049e45c25de35b533659624ca24f8e70447abca015bf5776ce6cb3ded6
SHA5123c9be7b92208e8c0f57ab8048108714e06b2aa896a479f61637a93a9eacb4818fcb25ce3d4e1a24086558daeae65d4b482b2c1cfba3df202c396e2bc218362e9
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Filesize
52KB
MD5c4ddf11ebdbf9d8397d710d2cb4e2fab
SHA18008c97e7d6ff92deb3e1755a614f4afedca92b9
SHA25667a632049e45c25de35b533659624ca24f8e70447abca015bf5776ce6cb3ded6
SHA5123c9be7b92208e8c0f57ab8048108714e06b2aa896a479f61637a93a9eacb4818fcb25ce3d4e1a24086558daeae65d4b482b2c1cfba3df202c396e2bc218362e9
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Filesize
52KB
MD5c4ddf11ebdbf9d8397d710d2cb4e2fab
SHA18008c97e7d6ff92deb3e1755a614f4afedca92b9
SHA25667a632049e45c25de35b533659624ca24f8e70447abca015bf5776ce6cb3ded6
SHA5123c9be7b92208e8c0f57ab8048108714e06b2aa896a479f61637a93a9eacb4818fcb25ce3d4e1a24086558daeae65d4b482b2c1cfba3df202c396e2bc218362e9
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Filesize
52KB
MD5c4ddf11ebdbf9d8397d710d2cb4e2fab
SHA18008c97e7d6ff92deb3e1755a614f4afedca92b9
SHA25667a632049e45c25de35b533659624ca24f8e70447abca015bf5776ce6cb3ded6
SHA5123c9be7b92208e8c0f57ab8048108714e06b2aa896a479f61637a93a9eacb4818fcb25ce3d4e1a24086558daeae65d4b482b2c1cfba3df202c396e2bc218362e9
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Filesize
52KB
MD5c4ddf11ebdbf9d8397d710d2cb4e2fab
SHA18008c97e7d6ff92deb3e1755a614f4afedca92b9
SHA25667a632049e45c25de35b533659624ca24f8e70447abca015bf5776ce6cb3ded6
SHA5123c9be7b92208e8c0f57ab8048108714e06b2aa896a479f61637a93a9eacb4818fcb25ce3d4e1a24086558daeae65d4b482b2c1cfba3df202c396e2bc218362e9