Analysis
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max time kernel
109s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
02/12/2022, 21:46
Static task
static1
Behavioral task
behavioral1
Sample
bb09a80b4cea49eaa2374679536f97ef49ea8da73d2a879f78d973b1ed026b83.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
bb09a80b4cea49eaa2374679536f97ef49ea8da73d2a879f78d973b1ed026b83.exe
Resource
win10v2004-20221111-en
General
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Target
bb09a80b4cea49eaa2374679536f97ef49ea8da73d2a879f78d973b1ed026b83.exe
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Size
581KB
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MD5
b6b1c27234de60b80ada046b0ac45832
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SHA1
a6549958990faa4f54e78198685f392c68865511
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SHA256
bb09a80b4cea49eaa2374679536f97ef49ea8da73d2a879f78d973b1ed026b83
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SHA512
335199c7102e555597ce8cce72ea4659197b4f0cf89c2cb2531f17a841e12bb1321f1b4969a18a4972837ec61f6dc083517ffb77186b3f8a120416f5277c3234
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SSDEEP
12288:uoMDtCi7NFlZnNqZ9xGrLpZ0ZHEqtgb0Ub:ufplNFgxG5eZngb0g
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
pid Process 1356 nbfile0.exe 1028 nbfile1.exe -
Loads dropped DLL 7 IoCs
pid Process 1308 bb09a80b4cea49eaa2374679536f97ef49ea8da73d2a879f78d973b1ed026b83.exe 1308 bb09a80b4cea49eaa2374679536f97ef49ea8da73d2a879f78d973b1ed026b83.exe 1308 bb09a80b4cea49eaa2374679536f97ef49ea8da73d2a879f78d973b1ed026b83.exe 1308 bb09a80b4cea49eaa2374679536f97ef49ea8da73d2a879f78d973b1ed026b83.exe 1028 nbfile1.exe 1028 nbfile1.exe 1028 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/0x00090000000134dc-65.dat nsis_installer_2 behavioral1/files/0x00090000000134dc-66.dat nsis_installer_2 behavioral1/files/0x00090000000134dc-68.dat nsis_installer_2 behavioral1/files/0x00090000000134dc-70.dat nsis_installer_2 behavioral1/files/0x00090000000134dc-71.dat nsis_installer_2 behavioral1/files/0x00090000000134dc-72.dat nsis_installer_2 behavioral1/files/0x00090000000134dc-73.dat nsis_installer_2 -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IntelliForms 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\InternetRegistry 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\Main\WindowsSearch IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = b005d4cbd008d901 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\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\PageSetup 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 (data) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000006ff8eab0e9df5f48a76c2f8c06f6a724000000000200000000001066000000010000200000009eed74535ee61dae1dab169b73de75fb3ae9cf3b721af1c9183905e20c177398000000000e8000000002000020000000b79d4051db2e082a8dcc16da824a4ba48fa8143a6aaa4e3167d72812cf1daffd20000000f35b411ab55da6c316e67af41fa38926cb0f42dc42733b5776ba33fbc49de74d400000006f20bb52681cc9b74e2bbe3d2ee3041cab3c86b83ebbefa854913e456f56a8952d4aaedbb9e9faca34d1da8a76d7b274b15a2a6bc75328cdc7425c3c844af715 IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "377027022" 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\Zoom 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 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\IETld\LowMic IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{ECBEB7C1-74C3-11ED-BBEF-F2255ECFD43B} = "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\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\GPU IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive 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\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" IEXPLORE.EXE 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Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 1356 nbfile0.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1860 IEXPLORE.EXE -
Suspicious use of SetWindowsHookEx 7 IoCs
pid Process 1356 nbfile0.exe 1860 IEXPLORE.EXE 1860 IEXPLORE.EXE 892 IEXPLORE.EXE 892 IEXPLORE.EXE 892 IEXPLORE.EXE 892 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 37 IoCs
description pid Process procid_target PID 1308 wrote to memory of 1356 1308 bb09a80b4cea49eaa2374679536f97ef49ea8da73d2a879f78d973b1ed026b83.exe 27 PID 1308 wrote to memory of 1356 1308 bb09a80b4cea49eaa2374679536f97ef49ea8da73d2a879f78d973b1ed026b83.exe 27 PID 1308 wrote to memory of 1356 1308 bb09a80b4cea49eaa2374679536f97ef49ea8da73d2a879f78d973b1ed026b83.exe 27 PID 1308 wrote to memory of 1356 1308 bb09a80b4cea49eaa2374679536f97ef49ea8da73d2a879f78d973b1ed026b83.exe 27 PID 1356 wrote to memory of 1860 1356 nbfile0.exe 28 PID 1356 wrote to memory of 1860 1356 nbfile0.exe 28 PID 1356 wrote to memory of 1860 1356 nbfile0.exe 28 PID 1356 wrote to memory of 1860 1356 nbfile0.exe 28 PID 1860 wrote to memory of 892 1860 IEXPLORE.EXE 30 PID 1860 wrote to memory of 892 1860 IEXPLORE.EXE 30 PID 1860 wrote to memory of 892 1860 IEXPLORE.EXE 30 PID 1860 wrote to memory of 892 1860 IEXPLORE.EXE 30 PID 1356 wrote to memory of 1628 1356 nbfile0.exe 31 PID 1356 wrote to memory of 1628 1356 nbfile0.exe 31 PID 1356 wrote to memory of 1628 1356 nbfile0.exe 31 PID 1356 wrote to memory of 1628 1356 nbfile0.exe 31 PID 1308 wrote to memory of 1028 1308 bb09a80b4cea49eaa2374679536f97ef49ea8da73d2a879f78d973b1ed026b83.exe 32 PID 1308 wrote to memory of 1028 1308 bb09a80b4cea49eaa2374679536f97ef49ea8da73d2a879f78d973b1ed026b83.exe 32 PID 1308 wrote to memory of 1028 1308 bb09a80b4cea49eaa2374679536f97ef49ea8da73d2a879f78d973b1ed026b83.exe 32 PID 1308 wrote to memory of 1028 1308 bb09a80b4cea49eaa2374679536f97ef49ea8da73d2a879f78d973b1ed026b83.exe 32 PID 1308 wrote to memory of 1028 1308 bb09a80b4cea49eaa2374679536f97ef49ea8da73d2a879f78d973b1ed026b83.exe 32 PID 1308 wrote to memory of 1028 1308 bb09a80b4cea49eaa2374679536f97ef49ea8da73d2a879f78d973b1ed026b83.exe 32 PID 1308 wrote to memory of 1028 1308 bb09a80b4cea49eaa2374679536f97ef49ea8da73d2a879f78d973b1ed026b83.exe 32 PID 1028 wrote to memory of 960 1028 nbfile1.exe 33 PID 1028 wrote to memory of 960 1028 nbfile1.exe 33 PID 1028 wrote to memory of 960 1028 nbfile1.exe 33 PID 1028 wrote to memory of 960 1028 nbfile1.exe 33 PID 1028 wrote to memory of 960 1028 nbfile1.exe 33 PID 1028 wrote to memory of 960 1028 nbfile1.exe 33 PID 1028 wrote to memory of 960 1028 nbfile1.exe 33 PID 1028 wrote to memory of 864 1028 nbfile1.exe 34 PID 1028 wrote to memory of 864 1028 nbfile1.exe 34 PID 1028 wrote to memory of 864 1028 nbfile1.exe 34 PID 1028 wrote to memory of 864 1028 nbfile1.exe 34 PID 1028 wrote to memory of 864 1028 nbfile1.exe 34 PID 1028 wrote to memory of 864 1028 nbfile1.exe 34 PID 1028 wrote to memory of 864 1028 nbfile1.exe 34
Processes
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C:\Users\Admin\AppData\Local\Temp\bb09a80b4cea49eaa2374679536f97ef49ea8da73d2a879f78d973b1ed026b83.exe"C:\Users\Admin\AppData\Local\Temp\bb09a80b4cea49eaa2374679536f97ef49ea8da73d2a879f78d973b1ed026b83.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1308 -
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:1356 -
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:1860 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1860 CREDAT:275457 /prefetch:24⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:892
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\nbfile0.exe3⤵PID:1628
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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:1028 -
C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\newsetup.vbs"3⤵PID:960
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\1.vbs"3⤵PID:864
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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
608B
MD5f440f6995716242283cc585daba240a1
SHA14b4aa70e5db3b0d58b519b55ba0b213dc98b6ed3
SHA25617fcec662d3507a8c7e4ddbb7f1b5d0655d3db89fbfe885c576c0ad195919ac4
SHA5124ec532b05c1fde05d96da3a0e45306e3f12452111348ef3cc7d471b0a2240fe2c9781744a80186dfec3f2aa01bf91a6d315ff0b9d67f3f133a5f5173624deb47
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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