Analysis
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max time kernel
116s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
20/10/2022, 06:43
Static task
static1
Behavioral task
behavioral1
Sample
37896811710249bb8de0944578c9d6828df738c1d3d7461074c560173521e993.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
37896811710249bb8de0944578c9d6828df738c1d3d7461074c560173521e993.exe
Resource
win10v2004-20220812-en
General
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Target
37896811710249bb8de0944578c9d6828df738c1d3d7461074c560173521e993.exe
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Size
581KB
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MD5
7cae7b10541c28ecf616011e984f1419
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SHA1
9329c36dd0c2a92b89fc4bb18f313bd5ab0a7b77
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SHA256
37896811710249bb8de0944578c9d6828df738c1d3d7461074c560173521e993
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SHA512
7083b0040e24f4afea790ba26ce78bc100d656bb81dd0a08cbe19b2987a17605582c9cd18380e8b5846c82d4eeec17f72ae1628f6d64e01df2ac36ba34060365
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SSDEEP
12288:uoMDtCi7NFlZnNqZ9xGrLpZ0ZHEqtgb0Ui:ufplNFgxG5eZngb0N
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
pid Process 1676 nbfile0.exe 1756 nbfile1.exe -
Loads dropped DLL 7 IoCs
pid Process 1092 37896811710249bb8de0944578c9d6828df738c1d3d7461074c560173521e993.exe 1092 37896811710249bb8de0944578c9d6828df738c1d3d7461074c560173521e993.exe 1092 37896811710249bb8de0944578c9d6828df738c1d3d7461074c560173521e993.exe 1092 37896811710249bb8de0944578c9d6828df738c1d3d7461074c560173521e993.exe 1756 nbfile1.exe 1756 nbfile1.exe 1756 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/0x0006000000015c81-65.dat nsis_installer_2 behavioral1/files/0x0006000000015c81-64.dat nsis_installer_2 behavioral1/files/0x0006000000015c81-67.dat nsis_installer_2 behavioral1/files/0x0006000000015c81-69.dat nsis_installer_2 behavioral1/files/0x0006000000015c81-70.dat nsis_installer_2 behavioral1/files/0x0006000000015c81-71.dat nsis_installer_2 behavioral1/files/0x0006000000015c81-72.dat nsis_installer_2 -
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Zoom IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "373151989" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\InternetRegistry IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 60ff549992e5d801 IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\IETld\LowMic IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000062e6ef0d45f4454ab79548c962d74cdf00000000020000000000106600000001000020000000b60dddb1930ef2377107a1d4237b7ca90a90e630ba9203f605614026a01cb0a0000000000e800000000200002000000084423806ddc6b5b43093b19e001e9516631d3b305549a42d627f7b3c112f9f9320000000449a9882c0a93e1f49039a469a5d1af83d010984aa2f845640406dfac6690dfb40000000f169d97be914659f457fa639d5782e78fc95812eced25b53a66bfa9f06a9a91b2ccf2502c75cf6ea5f5ef36a4020c3b6c025526f325009938c7e746125681f3d IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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 IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\PageSetup IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\IntelliForms IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{A9CB5A11-5185-11ED-AE30-7E4CDA66D2DC} = "0" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ IEXPLORE.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 1676 nbfile0.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1504 IEXPLORE.EXE -
Suspicious use of SetWindowsHookEx 7 IoCs
pid Process 1676 nbfile0.exe 1504 IEXPLORE.EXE 1504 IEXPLORE.EXE 1408 IEXPLORE.EXE 1408 IEXPLORE.EXE 1408 IEXPLORE.EXE 1408 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 37 IoCs
description pid Process procid_target PID 1092 wrote to memory of 1676 1092 37896811710249bb8de0944578c9d6828df738c1d3d7461074c560173521e993.exe 27 PID 1092 wrote to memory of 1676 1092 37896811710249bb8de0944578c9d6828df738c1d3d7461074c560173521e993.exe 27 PID 1092 wrote to memory of 1676 1092 37896811710249bb8de0944578c9d6828df738c1d3d7461074c560173521e993.exe 27 PID 1092 wrote to memory of 1676 1092 37896811710249bb8de0944578c9d6828df738c1d3d7461074c560173521e993.exe 27 PID 1676 wrote to memory of 1504 1676 nbfile0.exe 28 PID 1676 wrote to memory of 1504 1676 nbfile0.exe 28 PID 1676 wrote to memory of 1504 1676 nbfile0.exe 28 PID 1676 wrote to memory of 1504 1676 nbfile0.exe 28 PID 1504 wrote to memory of 1408 1504 IEXPLORE.EXE 30 PID 1504 wrote to memory of 1408 1504 IEXPLORE.EXE 30 PID 1504 wrote to memory of 1408 1504 IEXPLORE.EXE 30 PID 1504 wrote to memory of 1408 1504 IEXPLORE.EXE 30 PID 1676 wrote to memory of 1752 1676 nbfile0.exe 31 PID 1676 wrote to memory of 1752 1676 nbfile0.exe 31 PID 1676 wrote to memory of 1752 1676 nbfile0.exe 31 PID 1676 wrote to memory of 1752 1676 nbfile0.exe 31 PID 1092 wrote to memory of 1756 1092 37896811710249bb8de0944578c9d6828df738c1d3d7461074c560173521e993.exe 32 PID 1092 wrote to memory of 1756 1092 37896811710249bb8de0944578c9d6828df738c1d3d7461074c560173521e993.exe 32 PID 1092 wrote to memory of 1756 1092 37896811710249bb8de0944578c9d6828df738c1d3d7461074c560173521e993.exe 32 PID 1092 wrote to memory of 1756 1092 37896811710249bb8de0944578c9d6828df738c1d3d7461074c560173521e993.exe 32 PID 1092 wrote to memory of 1756 1092 37896811710249bb8de0944578c9d6828df738c1d3d7461074c560173521e993.exe 32 PID 1092 wrote to memory of 1756 1092 37896811710249bb8de0944578c9d6828df738c1d3d7461074c560173521e993.exe 32 PID 1092 wrote to memory of 1756 1092 37896811710249bb8de0944578c9d6828df738c1d3d7461074c560173521e993.exe 32 PID 1756 wrote to memory of 1036 1756 nbfile1.exe 33 PID 1756 wrote to memory of 1036 1756 nbfile1.exe 33 PID 1756 wrote to memory of 1036 1756 nbfile1.exe 33 PID 1756 wrote to memory of 1036 1756 nbfile1.exe 33 PID 1756 wrote to memory of 1036 1756 nbfile1.exe 33 PID 1756 wrote to memory of 1036 1756 nbfile1.exe 33 PID 1756 wrote to memory of 1036 1756 nbfile1.exe 33 PID 1756 wrote to memory of 916 1756 nbfile1.exe 34 PID 1756 wrote to memory of 916 1756 nbfile1.exe 34 PID 1756 wrote to memory of 916 1756 nbfile1.exe 34 PID 1756 wrote to memory of 916 1756 nbfile1.exe 34 PID 1756 wrote to memory of 916 1756 nbfile1.exe 34 PID 1756 wrote to memory of 916 1756 nbfile1.exe 34 PID 1756 wrote to memory of 916 1756 nbfile1.exe 34
Processes
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C:\Users\Admin\AppData\Local\Temp\37896811710249bb8de0944578c9d6828df738c1d3d7461074c560173521e993.exe"C:\Users\Admin\AppData\Local\Temp\37896811710249bb8de0944578c9d6828df738c1d3d7461074c560173521e993.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1092 -
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:1676 -
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:1504 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1504 CREDAT:275457 /prefetch:24⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1408
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\nbfile0.exe3⤵PID:1752
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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:1756 -
C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\newsetup.vbs"3⤵PID:1036
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\1.vbs"3⤵PID:916
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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
MD5c0775e55aeb98a42cab30d4325b9a473
SHA1fb6f904955a26fe0de53c41b1b9e1fe87ee465e1
SHA2569c6963aacfd07ff643af139e01c3480d3398e2a7d381ca0495d96336983243c3
SHA51207801ed50ddf8541c68d7f024ce753cd529d9f243a4c4f8367035031196217fbc0dce3c31d6de6bb833632adfe41c9fd467abb8e1841d1061b3d03d3e32fd30a
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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