Analysis
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max time kernel
129s -
max time network
147s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
11/10/2022, 04:44
Static task
static1
Behavioral task
behavioral1
Sample
7a28d26ec64cad873078eb4f7a22ae54bc5c280f0df383d316b99c565848973e.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
7a28d26ec64cad873078eb4f7a22ae54bc5c280f0df383d316b99c565848973e.exe
Resource
win10v2004-20220812-en
General
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Target
7a28d26ec64cad873078eb4f7a22ae54bc5c280f0df383d316b99c565848973e.exe
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Size
581KB
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MD5
7ce16892f6c0b065e13957e59e8a2758
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SHA1
d43849b690548e76911336dd7c1380b47246832c
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SHA256
7a28d26ec64cad873078eb4f7a22ae54bc5c280f0df383d316b99c565848973e
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SHA512
151cec5c4b86d87c686d3b502a5aaba9462f2b2d63f690e04c257bd7945acf74b75c182d1dd24519a94f0e12325b48b52e19cefff923a94b601c7c23867a2bc3
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SSDEEP
12288:uoMDtCi7NFlZnNqZ9xGrLpZ0ZHEqtgb0Ut:ufplNFgxG5eZngb0q
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
pid Process 2032 nbfile0.exe 1704 nbfile1.exe -
Loads dropped DLL 7 IoCs
pid Process 784 7a28d26ec64cad873078eb4f7a22ae54bc5c280f0df383d316b99c565848973e.exe 784 7a28d26ec64cad873078eb4f7a22ae54bc5c280f0df383d316b99c565848973e.exe 784 7a28d26ec64cad873078eb4f7a22ae54bc5c280f0df383d316b99c565848973e.exe 784 7a28d26ec64cad873078eb4f7a22ae54bc5c280f0df383d316b99c565848973e.exe 1704 nbfile1.exe 1704 nbfile1.exe 1704 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/0x00060000000155ea-64.dat nsis_installer_2 behavioral1/files/0x00060000000155ea-65.dat nsis_installer_2 behavioral1/files/0x00060000000155ea-67.dat nsis_installer_2 behavioral1/files/0x00060000000155ea-69.dat nsis_installer_2 behavioral1/files/0x00060000000155ea-71.dat nsis_installer_2 behavioral1/files/0x00060000000155ea-70.dat nsis_installer_2 behavioral1/files/0x00060000000155ea-72.dat nsis_installer_2 -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\IntelliForms IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Toolbar IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000d3b98f5693c0d24b85f349229339c59c00000000020000000000106600000001000020000000f5e4ae027a55969adc899f0e621d037ef7105999f0346fbd8e5b0bcb226add4b000000000e80000000020000200000006b02447e7ed399a31ae76dc2f4d82278063f0c8f0ca3faf45984e6e797b2b62a200000008f45ab24b1067426831186eec0260eb2410fd4ed132c36078e79292de82525ee400000009ec08f26fad4add844fe81afa21f2bf2d9e97a24c7985dada4e03dfd8ce43490c058b5d9f211c89499d3e8a7a639637fbef04a2e68fa11ef72cd2c30e01ba421 IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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 IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\InternetRegistry IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{F64D26A0-493F-11ED-9C90-C6457FCBF3CF} = "0" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = b093b4da4cddd801 IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Zoom IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\IETld\LowMic IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\PageSetup IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "372242444" IEXPLORE.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2032 nbfile0.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1496 IEXPLORE.EXE -
Suspicious use of SetWindowsHookEx 7 IoCs
pid Process 2032 nbfile0.exe 1496 IEXPLORE.EXE 1496 IEXPLORE.EXE 1116 IEXPLORE.EXE 1116 IEXPLORE.EXE 1116 IEXPLORE.EXE 1116 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 37 IoCs
description pid Process procid_target PID 784 wrote to memory of 2032 784 7a28d26ec64cad873078eb4f7a22ae54bc5c280f0df383d316b99c565848973e.exe 26 PID 784 wrote to memory of 2032 784 7a28d26ec64cad873078eb4f7a22ae54bc5c280f0df383d316b99c565848973e.exe 26 PID 784 wrote to memory of 2032 784 7a28d26ec64cad873078eb4f7a22ae54bc5c280f0df383d316b99c565848973e.exe 26 PID 784 wrote to memory of 2032 784 7a28d26ec64cad873078eb4f7a22ae54bc5c280f0df383d316b99c565848973e.exe 26 PID 2032 wrote to memory of 1496 2032 nbfile0.exe 27 PID 2032 wrote to memory of 1496 2032 nbfile0.exe 27 PID 2032 wrote to memory of 1496 2032 nbfile0.exe 27 PID 2032 wrote to memory of 1496 2032 nbfile0.exe 27 PID 1496 wrote to memory of 1116 1496 IEXPLORE.EXE 29 PID 1496 wrote to memory of 1116 1496 IEXPLORE.EXE 29 PID 1496 wrote to memory of 1116 1496 IEXPLORE.EXE 29 PID 1496 wrote to memory of 1116 1496 IEXPLORE.EXE 29 PID 2032 wrote to memory of 1824 2032 nbfile0.exe 30 PID 2032 wrote to memory of 1824 2032 nbfile0.exe 30 PID 2032 wrote to memory of 1824 2032 nbfile0.exe 30 PID 2032 wrote to memory of 1824 2032 nbfile0.exe 30 PID 784 wrote to memory of 1704 784 7a28d26ec64cad873078eb4f7a22ae54bc5c280f0df383d316b99c565848973e.exe 31 PID 784 wrote to memory of 1704 784 7a28d26ec64cad873078eb4f7a22ae54bc5c280f0df383d316b99c565848973e.exe 31 PID 784 wrote to memory of 1704 784 7a28d26ec64cad873078eb4f7a22ae54bc5c280f0df383d316b99c565848973e.exe 31 PID 784 wrote to memory of 1704 784 7a28d26ec64cad873078eb4f7a22ae54bc5c280f0df383d316b99c565848973e.exe 31 PID 784 wrote to memory of 1704 784 7a28d26ec64cad873078eb4f7a22ae54bc5c280f0df383d316b99c565848973e.exe 31 PID 784 wrote to memory of 1704 784 7a28d26ec64cad873078eb4f7a22ae54bc5c280f0df383d316b99c565848973e.exe 31 PID 784 wrote to memory of 1704 784 7a28d26ec64cad873078eb4f7a22ae54bc5c280f0df383d316b99c565848973e.exe 31 PID 1704 wrote to memory of 1620 1704 nbfile1.exe 32 PID 1704 wrote to memory of 1620 1704 nbfile1.exe 32 PID 1704 wrote to memory of 1620 1704 nbfile1.exe 32 PID 1704 wrote to memory of 1620 1704 nbfile1.exe 32 PID 1704 wrote to memory of 1620 1704 nbfile1.exe 32 PID 1704 wrote to memory of 1620 1704 nbfile1.exe 32 PID 1704 wrote to memory of 1620 1704 nbfile1.exe 32 PID 1704 wrote to memory of 816 1704 nbfile1.exe 33 PID 1704 wrote to memory of 816 1704 nbfile1.exe 33 PID 1704 wrote to memory of 816 1704 nbfile1.exe 33 PID 1704 wrote to memory of 816 1704 nbfile1.exe 33 PID 1704 wrote to memory of 816 1704 nbfile1.exe 33 PID 1704 wrote to memory of 816 1704 nbfile1.exe 33 PID 1704 wrote to memory of 816 1704 nbfile1.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\7a28d26ec64cad873078eb4f7a22ae54bc5c280f0df383d316b99c565848973e.exe"C:\Users\Admin\AppData\Local\Temp\7a28d26ec64cad873078eb4f7a22ae54bc5c280f0df383d316b99c565848973e.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:784 -
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:2032 -
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:1496 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1496 CREDAT:275457 /prefetch:24⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1116
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\nbfile0.exe3⤵PID:1824
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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:1704 -
C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\newsetup.vbs"3⤵PID:1620
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\1.vbs"3⤵PID:816
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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
606B
MD573300ca65d9f05c7e7774db850899f7f
SHA14827f2044fff9a2c0621fb68eb5e638ed30c33e0
SHA2560b6f44d986fe6bc1fed05e9f68db144e89781f7499037498ae9f24cc9fe5a1d4
SHA5127eb1aa3c2e62c7f7f54920cca46e44194b8071fdf27c07352a22b734441a93ffdc85131c4cafc11f2a28608fd872a806cff476a2276e9561dcaad78aadfbf432
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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