Analysis
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max time kernel
113s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
03-12-2022 05:52
Static task
static1
Behavioral task
behavioral1
Sample
67b4085f93e94c9871be0d2a6280d54b220fa9d27b45e8574f89f3cf9edda707.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
67b4085f93e94c9871be0d2a6280d54b220fa9d27b45e8574f89f3cf9edda707.exe
Resource
win10v2004-20220812-en
General
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Target
67b4085f93e94c9871be0d2a6280d54b220fa9d27b45e8574f89f3cf9edda707.exe
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Size
581KB
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MD5
9e8c4218e930952c27e7f818c5928b55
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SHA1
97d50374ded59743d22fcf4615230ac1a681871f
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SHA256
67b4085f93e94c9871be0d2a6280d54b220fa9d27b45e8574f89f3cf9edda707
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SHA512
8b790e0d0abeb76a9dcb6168b79af3b70368884ccc3e75f905165ce64e5add1388a266235c720245060e3ab09e5ee8ec63b9a91b7cebf836554a354781ad016b
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SSDEEP
12288:uoMDtCi7NFlZnNqZ9xGrLpZ0ZHEqtgb0Uh:ufplNFgxG5eZngb0K
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
pid Process 1988 nbfile0.exe 760 nbfile1.exe -
Loads dropped DLL 7 IoCs
pid Process 544 67b4085f93e94c9871be0d2a6280d54b220fa9d27b45e8574f89f3cf9edda707.exe 544 67b4085f93e94c9871be0d2a6280d54b220fa9d27b45e8574f89f3cf9edda707.exe 544 67b4085f93e94c9871be0d2a6280d54b220fa9d27b45e8574f89f3cf9edda707.exe 544 67b4085f93e94c9871be0d2a6280d54b220fa9d27b45e8574f89f3cf9edda707.exe 760 nbfile1.exe 760 nbfile1.exe 760 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/0x00070000000135a6-64.dat nsis_installer_2 behavioral1/files/0x00070000000135a6-65.dat nsis_installer_2 behavioral1/files/0x00070000000135a6-67.dat nsis_installer_2 behavioral1/files/0x00070000000135a6-69.dat nsis_installer_2 behavioral1/files/0x00070000000135a6-70.dat nsis_installer_2 behavioral1/files/0x00070000000135a6-71.dat nsis_installer_2 behavioral1/files/0x00070000000135a6-72.dat nsis_installer_2 -
description ioc Process 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\Main\WindowsSearch IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "377075407" 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\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000b7b3dfbee9c2fa4d90e1c79dd8b8b5a100000000020000000000106600000001000020000000dd8d6cde8bb6c8f9962bbc25c25612e89acb285e5b8061c5ccaf2b4ae741d92c000000000e80000000020000200000005223b58b500ea43e23fb5ca787260e495377a7b2306f649b8dfdad9a9768307820000000ab0714e6b407bc81a2e633cc832c0245b392302fb27f24333a0afd83d490dccb40000000675dfeb1448b46ad514a57061ca93ab89b5ba1c60dcd6b29948262e85f0723d631168f52af1941494683ee26bdd71339aeb8b054203dd5724f62dba350d66fdf 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\IntelliForms IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\PageSetup 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\DomainSuggestion\FileNames 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\Recovery\AdminActive IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion 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\BrowserEmulation\LowMic 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\Toolbar\WebBrowser 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 (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\GPU IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry 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\Recovery\AdminActive\{943250A1-7534-11ED-9738-7E4CDA66D2DC} = "0" 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\LowRegistry\DOMStorage 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\TabbedBrowsing IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = d0456c854109d901 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\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain 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\Recovery\PendingRecovery IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 1988 nbfile0.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1772 IEXPLORE.EXE -
Suspicious use of SetWindowsHookEx 7 IoCs
pid Process 1988 nbfile0.exe 1772 IEXPLORE.EXE 1772 IEXPLORE.EXE 2016 IEXPLORE.EXE 2016 IEXPLORE.EXE 2016 IEXPLORE.EXE 2016 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 37 IoCs
description pid Process procid_target PID 544 wrote to memory of 1988 544 67b4085f93e94c9871be0d2a6280d54b220fa9d27b45e8574f89f3cf9edda707.exe 26 PID 544 wrote to memory of 1988 544 67b4085f93e94c9871be0d2a6280d54b220fa9d27b45e8574f89f3cf9edda707.exe 26 PID 544 wrote to memory of 1988 544 67b4085f93e94c9871be0d2a6280d54b220fa9d27b45e8574f89f3cf9edda707.exe 26 PID 544 wrote to memory of 1988 544 67b4085f93e94c9871be0d2a6280d54b220fa9d27b45e8574f89f3cf9edda707.exe 26 PID 1988 wrote to memory of 1772 1988 nbfile0.exe 27 PID 1988 wrote to memory of 1772 1988 nbfile0.exe 27 PID 1988 wrote to memory of 1772 1988 nbfile0.exe 27 PID 1988 wrote to memory of 1772 1988 nbfile0.exe 27 PID 1772 wrote to memory of 2016 1772 IEXPLORE.EXE 29 PID 1772 wrote to memory of 2016 1772 IEXPLORE.EXE 29 PID 1772 wrote to memory of 2016 1772 IEXPLORE.EXE 29 PID 1772 wrote to memory of 2016 1772 IEXPLORE.EXE 29 PID 1988 wrote to memory of 580 1988 nbfile0.exe 30 PID 1988 wrote to memory of 580 1988 nbfile0.exe 30 PID 1988 wrote to memory of 580 1988 nbfile0.exe 30 PID 1988 wrote to memory of 580 1988 nbfile0.exe 30 PID 544 wrote to memory of 760 544 67b4085f93e94c9871be0d2a6280d54b220fa9d27b45e8574f89f3cf9edda707.exe 31 PID 544 wrote to memory of 760 544 67b4085f93e94c9871be0d2a6280d54b220fa9d27b45e8574f89f3cf9edda707.exe 31 PID 544 wrote to memory of 760 544 67b4085f93e94c9871be0d2a6280d54b220fa9d27b45e8574f89f3cf9edda707.exe 31 PID 544 wrote to memory of 760 544 67b4085f93e94c9871be0d2a6280d54b220fa9d27b45e8574f89f3cf9edda707.exe 31 PID 544 wrote to memory of 760 544 67b4085f93e94c9871be0d2a6280d54b220fa9d27b45e8574f89f3cf9edda707.exe 31 PID 544 wrote to memory of 760 544 67b4085f93e94c9871be0d2a6280d54b220fa9d27b45e8574f89f3cf9edda707.exe 31 PID 544 wrote to memory of 760 544 67b4085f93e94c9871be0d2a6280d54b220fa9d27b45e8574f89f3cf9edda707.exe 31 PID 760 wrote to memory of 1508 760 nbfile1.exe 32 PID 760 wrote to memory of 1508 760 nbfile1.exe 32 PID 760 wrote to memory of 1508 760 nbfile1.exe 32 PID 760 wrote to memory of 1508 760 nbfile1.exe 32 PID 760 wrote to memory of 1508 760 nbfile1.exe 32 PID 760 wrote to memory of 1508 760 nbfile1.exe 32 PID 760 wrote to memory of 1508 760 nbfile1.exe 32 PID 760 wrote to memory of 972 760 nbfile1.exe 33 PID 760 wrote to memory of 972 760 nbfile1.exe 33 PID 760 wrote to memory of 972 760 nbfile1.exe 33 PID 760 wrote to memory of 972 760 nbfile1.exe 33 PID 760 wrote to memory of 972 760 nbfile1.exe 33 PID 760 wrote to memory of 972 760 nbfile1.exe 33 PID 760 wrote to memory of 972 760 nbfile1.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\67b4085f93e94c9871be0d2a6280d54b220fa9d27b45e8574f89f3cf9edda707.exe"C:\Users\Admin\AppData\Local\Temp\67b4085f93e94c9871be0d2a6280d54b220fa9d27b45e8574f89f3cf9edda707.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:544 -
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:1988 -
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:1772 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1772 CREDAT:275457 /prefetch:24⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2016
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\nbfile0.exe3⤵PID:580
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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:760 -
C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\newsetup.vbs"3⤵PID:1508
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\1.vbs"3⤵PID:972
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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
MD5d94128b3c9befeaa73108b05b2f41572
SHA1dc184212ddd35e7de42498d6eebfc3bdc4b8c1b6
SHA256a4f8d843ca779a761ff6484f77584d7317ee302fe04f4d0803196211e3ce52a4
SHA512f7019cb4921b25b1c833c6c3941dbc17edb0f4fe8dcb1ba9604d0b4f1b6e723beb3445e09f07d1de59d4e137f0e5e78e934533ccfda31f487044016d2d7f138f
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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