Analysis
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max time kernel
109s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
06/11/2022, 13:41 UTC
Static task
static1
Behavioral task
behavioral1
Sample
778dc5f402ea7e860c9e7dd05f6a6569788da9da59522eeca90f3aecbfd94e37.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
778dc5f402ea7e860c9e7dd05f6a6569788da9da59522eeca90f3aecbfd94e37.exe
Resource
win10v2004-20220901-en
General
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Target
778dc5f402ea7e860c9e7dd05f6a6569788da9da59522eeca90f3aecbfd94e37.exe
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Size
581KB
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MD5
0d9efdf9dd6cc7465a3c03ed83f891c7
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SHA1
99063fd892a1c9394131ea20ef728e745151428b
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SHA256
778dc5f402ea7e860c9e7dd05f6a6569788da9da59522eeca90f3aecbfd94e37
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SHA512
ab50b6ec59f6147c3a1f489ffaa70a2cdb49e26ce162a1fde913d4b187850ba8fd8116bce252e871b4b8432f5c3648b7697800b588e17a69cd21a1312ef48f1c
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SSDEEP
12288:uoMDtCi7NFlZnNqZ9xGrLpZ0ZHEqtgb0U3:ufplNFgxG5eZngb0E
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
pid Process 1560 nbfile0.exe 1044 nbfile1.exe -
Loads dropped DLL 7 IoCs
pid Process 1344 778dc5f402ea7e860c9e7dd05f6a6569788da9da59522eeca90f3aecbfd94e37.exe 1344 778dc5f402ea7e860c9e7dd05f6a6569788da9da59522eeca90f3aecbfd94e37.exe 1344 778dc5f402ea7e860c9e7dd05f6a6569788da9da59522eeca90f3aecbfd94e37.exe 1344 778dc5f402ea7e860c9e7dd05f6a6569788da9da59522eeca90f3aecbfd94e37.exe 1044 nbfile1.exe 1044 nbfile1.exe 1044 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/0x0006000000014112-64.dat nsis_installer_2 behavioral1/files/0x0006000000014112-65.dat nsis_installer_2 behavioral1/files/0x0006000000014112-67.dat nsis_installer_2 behavioral1/files/0x0006000000014112-69.dat nsis_installer_2 behavioral1/files/0x0006000000014112-71.dat nsis_installer_2 behavioral1/files/0x0006000000014112-70.dat nsis_installer_2 behavioral1/files/0x0006000000014112-72.dat nsis_installer_2 -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage 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\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage 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 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\DomainSuggestion\FileNames IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\PageSetup 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 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 Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "374525400" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive 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\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000d3b98f5693c0d24b85f349229339c59c00000000020000000000106600000001000020000000ca7e0633216b60a1c6128caff658c73cf9d78695ba8855e0ff369f7575fcca49000000000e8000000002000020000000ef46650593e320ca6dfafbf89831d3822e24952a91fabeaeb2cd0888710413bd20000000b0856cbc3bc4f446476bdd4245408365f22569ba8cc644f0d49b7dbf0d1f9c6640000000037c67baa94d5aea86acbf92dd4016ce7a27c3155c9b04c7a55839e69ab37ad1b24bd0bbde1c96b9adf6ba5132493d3fcff63fcce3d2adb15a07021bf5d35542 IEXPLORE.EXE 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\LowRegistry\DontShowMeThisDialogAgain IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{62252621-5E03-11ED-A755-C22E595EE768} = "0" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery 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\IETld\LowMic IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\InternetRegistry 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 = 8051614a10f2d801 IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic 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\DomainSuggestion\FileNames\ 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\Toolbar IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Zoom 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 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\LowRegistry IEXPLORE.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 1560 nbfile0.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 824 IEXPLORE.EXE -
Suspicious use of SetWindowsHookEx 7 IoCs
pid Process 1560 nbfile0.exe 824 IEXPLORE.EXE 824 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 1344 wrote to memory of 1560 1344 778dc5f402ea7e860c9e7dd05f6a6569788da9da59522eeca90f3aecbfd94e37.exe 26 PID 1344 wrote to memory of 1560 1344 778dc5f402ea7e860c9e7dd05f6a6569788da9da59522eeca90f3aecbfd94e37.exe 26 PID 1344 wrote to memory of 1560 1344 778dc5f402ea7e860c9e7dd05f6a6569788da9da59522eeca90f3aecbfd94e37.exe 26 PID 1344 wrote to memory of 1560 1344 778dc5f402ea7e860c9e7dd05f6a6569788da9da59522eeca90f3aecbfd94e37.exe 26 PID 1560 wrote to memory of 824 1560 nbfile0.exe 27 PID 1560 wrote to memory of 824 1560 nbfile0.exe 27 PID 1560 wrote to memory of 824 1560 nbfile0.exe 27 PID 1560 wrote to memory of 824 1560 nbfile0.exe 27 PID 824 wrote to memory of 892 824 IEXPLORE.EXE 29 PID 824 wrote to memory of 892 824 IEXPLORE.EXE 29 PID 824 wrote to memory of 892 824 IEXPLORE.EXE 29 PID 824 wrote to memory of 892 824 IEXPLORE.EXE 29 PID 1560 wrote to memory of 968 1560 nbfile0.exe 30 PID 1560 wrote to memory of 968 1560 nbfile0.exe 30 PID 1560 wrote to memory of 968 1560 nbfile0.exe 30 PID 1560 wrote to memory of 968 1560 nbfile0.exe 30 PID 1344 wrote to memory of 1044 1344 778dc5f402ea7e860c9e7dd05f6a6569788da9da59522eeca90f3aecbfd94e37.exe 31 PID 1344 wrote to memory of 1044 1344 778dc5f402ea7e860c9e7dd05f6a6569788da9da59522eeca90f3aecbfd94e37.exe 31 PID 1344 wrote to memory of 1044 1344 778dc5f402ea7e860c9e7dd05f6a6569788da9da59522eeca90f3aecbfd94e37.exe 31 PID 1344 wrote to memory of 1044 1344 778dc5f402ea7e860c9e7dd05f6a6569788da9da59522eeca90f3aecbfd94e37.exe 31 PID 1344 wrote to memory of 1044 1344 778dc5f402ea7e860c9e7dd05f6a6569788da9da59522eeca90f3aecbfd94e37.exe 31 PID 1344 wrote to memory of 1044 1344 778dc5f402ea7e860c9e7dd05f6a6569788da9da59522eeca90f3aecbfd94e37.exe 31 PID 1344 wrote to memory of 1044 1344 778dc5f402ea7e860c9e7dd05f6a6569788da9da59522eeca90f3aecbfd94e37.exe 31 PID 1044 wrote to memory of 1636 1044 nbfile1.exe 32 PID 1044 wrote to memory of 1636 1044 nbfile1.exe 32 PID 1044 wrote to memory of 1636 1044 nbfile1.exe 32 PID 1044 wrote to memory of 1636 1044 nbfile1.exe 32 PID 1044 wrote to memory of 1636 1044 nbfile1.exe 32 PID 1044 wrote to memory of 1636 1044 nbfile1.exe 32 PID 1044 wrote to memory of 1636 1044 nbfile1.exe 32 PID 1044 wrote to memory of 1852 1044 nbfile1.exe 33 PID 1044 wrote to memory of 1852 1044 nbfile1.exe 33 PID 1044 wrote to memory of 1852 1044 nbfile1.exe 33 PID 1044 wrote to memory of 1852 1044 nbfile1.exe 33 PID 1044 wrote to memory of 1852 1044 nbfile1.exe 33 PID 1044 wrote to memory of 1852 1044 nbfile1.exe 33 PID 1044 wrote to memory of 1852 1044 nbfile1.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\778dc5f402ea7e860c9e7dd05f6a6569788da9da59522eeca90f3aecbfd94e37.exe"C:\Users\Admin\AppData\Local\Temp\778dc5f402ea7e860c9e7dd05f6a6569788da9da59522eeca90f3aecbfd94e37.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1344 -
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:1560 -
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:824 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:824 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:968
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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:1044 -
C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\newsetup.vbs"3⤵PID:1636
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\1.vbs"3⤵PID:1852
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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
MD5e81cccec4727b3e2f225e21d7a31a52b
SHA1e828fb2f9020c154a2e41e8a2b039854dd4fc564
SHA2566a4d8bdc3fd142b81ad7988f0aa8838b2013b44e6ebfcbd39147b9c8b0fcdb1f
SHA512a455c36b881eb12f98a09747a8f1518c466b8e051ce639e6104499879eeeb52704d40cf4a8da3fb9643fa7f1733e7a1724d86cb71ab42016e0d923ac3f686fb8
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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