Analysis
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max time kernel
134s -
max time network
231s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
07-11-2022 18:57
Static task
static1
Behavioral task
behavioral1
Sample
041698926287077b77e276b4cd5fa52964b3f17693ccc4ca9311b05499f0f7fc.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
041698926287077b77e276b4cd5fa52964b3f17693ccc4ca9311b05499f0f7fc.exe
Resource
win10v2004-20220812-en
General
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Target
041698926287077b77e276b4cd5fa52964b3f17693ccc4ca9311b05499f0f7fc.exe
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Size
564KB
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MD5
0f572a251c8bf0cfd1e265996a90e606
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SHA1
e293aa35cee656fbbe2cee9b553399a35bb463f4
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SHA256
041698926287077b77e276b4cd5fa52964b3f17693ccc4ca9311b05499f0f7fc
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SHA512
3786fd1a4806e6e9460ad936e7077e178698810fa6020cdff2a20f2ad6f22548a9da4f9f0114b41550002474f768b77d9567d705c1b7dcf632f64c66af3d542e
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SSDEEP
12288:u+MDtCi7NFlZnNqZ9xGrLpZ0ZHEqtgb0UW:utplNFgxG5eZngb0t
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
pid Process 1988 nbfile0.exe 1656 nbfile1.exe -
Loads dropped DLL 7 IoCs
pid Process 1872 041698926287077b77e276b4cd5fa52964b3f17693ccc4ca9311b05499f0f7fc.exe 1872 041698926287077b77e276b4cd5fa52964b3f17693ccc4ca9311b05499f0f7fc.exe 1988 nbfile0.exe 1988 nbfile0.exe 1988 nbfile0.exe 1872 041698926287077b77e276b4cd5fa52964b3f17693ccc4ca9311b05499f0f7fc.exe 1872 041698926287077b77e276b4cd5fa52964b3f17693ccc4ca9311b05499f0f7fc.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/0x00140000000054ab-54.dat nsis_installer_2 behavioral1/files/0x00140000000054ab-55.dat nsis_installer_2 behavioral1/files/0x00140000000054ab-57.dat nsis_installer_2 behavioral1/files/0x00140000000054ab-59.dat nsis_installer_2 behavioral1/files/0x00140000000054ab-60.dat nsis_installer_2 behavioral1/files/0x00140000000054ab-61.dat nsis_installer_2 behavioral1/files/0x00140000000054ab-62.dat nsis_installer_2 -
description ioc Process 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\DomainSuggestion IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{F4D50611-5F71-11ED-A645-626C2AE6DC56} = "0" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 40c47ad97ef3d801 IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ 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 Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" 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\DontShowMeThisDialogAgain IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive 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\IETld\LowMic IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\InternetRegistry 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 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\LowRegistry\DOMStorage IEXPLORE.EXE 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 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 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\TabbedBrowsing\NewTabPage 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\IntelliForms IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Zoom 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\PageSetup IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000062e6ef0d45f4454ab79548c962d74cdf00000000020000000000106600000001000020000000de86fc7e5ac996ae052c4511058725100eb2f4d3b835ef5b1047250347be401c000000000e800000000200002000000004c8983e3f543b0fc2ee40ddd95238e6894de4d2695a27d4291ca304fb37336220000000b10b9ed130522a7b1abe1c0ac93f26ca268e2265334619017d6b2b33c3067539400000006c18c0e08f14215082371a89f19babea39f232ead379301293a9a6f19bf281e6906265690e8dc3951d22b6f9ed987b535c00fda9b104ec4f712de182edcac92b 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\DomainSuggestion\FileNames IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "374682849" IEXPLORE.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 1656 nbfile1.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1416 IEXPLORE.EXE -
Suspicious use of SetWindowsHookEx 7 IoCs
pid Process 1656 nbfile1.exe 1416 IEXPLORE.EXE 1416 IEXPLORE.EXE 968 IEXPLORE.EXE 968 IEXPLORE.EXE 968 IEXPLORE.EXE 968 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 37 IoCs
description pid Process procid_target PID 1872 wrote to memory of 1988 1872 041698926287077b77e276b4cd5fa52964b3f17693ccc4ca9311b05499f0f7fc.exe 27 PID 1872 wrote to memory of 1988 1872 041698926287077b77e276b4cd5fa52964b3f17693ccc4ca9311b05499f0f7fc.exe 27 PID 1872 wrote to memory of 1988 1872 041698926287077b77e276b4cd5fa52964b3f17693ccc4ca9311b05499f0f7fc.exe 27 PID 1872 wrote to memory of 1988 1872 041698926287077b77e276b4cd5fa52964b3f17693ccc4ca9311b05499f0f7fc.exe 27 PID 1872 wrote to memory of 1988 1872 041698926287077b77e276b4cd5fa52964b3f17693ccc4ca9311b05499f0f7fc.exe 27 PID 1872 wrote to memory of 1988 1872 041698926287077b77e276b4cd5fa52964b3f17693ccc4ca9311b05499f0f7fc.exe 27 PID 1872 wrote to memory of 1988 1872 041698926287077b77e276b4cd5fa52964b3f17693ccc4ca9311b05499f0f7fc.exe 27 PID 1872 wrote to memory of 1656 1872 041698926287077b77e276b4cd5fa52964b3f17693ccc4ca9311b05499f0f7fc.exe 28 PID 1872 wrote to memory of 1656 1872 041698926287077b77e276b4cd5fa52964b3f17693ccc4ca9311b05499f0f7fc.exe 28 PID 1872 wrote to memory of 1656 1872 041698926287077b77e276b4cd5fa52964b3f17693ccc4ca9311b05499f0f7fc.exe 28 PID 1872 wrote to memory of 1656 1872 041698926287077b77e276b4cd5fa52964b3f17693ccc4ca9311b05499f0f7fc.exe 28 PID 1988 wrote to memory of 2016 1988 nbfile0.exe 29 PID 1988 wrote to memory of 2016 1988 nbfile0.exe 29 PID 1988 wrote to memory of 2016 1988 nbfile0.exe 29 PID 1988 wrote to memory of 2016 1988 nbfile0.exe 29 PID 1988 wrote to memory of 2016 1988 nbfile0.exe 29 PID 1988 wrote to memory of 2016 1988 nbfile0.exe 29 PID 1988 wrote to memory of 2016 1988 nbfile0.exe 29 PID 1988 wrote to memory of 916 1988 nbfile0.exe 30 PID 1988 wrote to memory of 916 1988 nbfile0.exe 30 PID 1988 wrote to memory of 916 1988 nbfile0.exe 30 PID 1988 wrote to memory of 916 1988 nbfile0.exe 30 PID 1988 wrote to memory of 916 1988 nbfile0.exe 30 PID 1988 wrote to memory of 916 1988 nbfile0.exe 30 PID 1988 wrote to memory of 916 1988 nbfile0.exe 30 PID 1656 wrote to memory of 1416 1656 nbfile1.exe 31 PID 1656 wrote to memory of 1416 1656 nbfile1.exe 31 PID 1656 wrote to memory of 1416 1656 nbfile1.exe 31 PID 1656 wrote to memory of 1416 1656 nbfile1.exe 31 PID 1416 wrote to memory of 968 1416 IEXPLORE.EXE 33 PID 1416 wrote to memory of 968 1416 IEXPLORE.EXE 33 PID 1416 wrote to memory of 968 1416 IEXPLORE.EXE 33 PID 1416 wrote to memory of 968 1416 IEXPLORE.EXE 33 PID 1656 wrote to memory of 1628 1656 nbfile1.exe 34 PID 1656 wrote to memory of 1628 1656 nbfile1.exe 34 PID 1656 wrote to memory of 1628 1656 nbfile1.exe 34 PID 1656 wrote to memory of 1628 1656 nbfile1.exe 34
Processes
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C:\Users\Admin\AppData\Local\Temp\041698926287077b77e276b4cd5fa52964b3f17693ccc4ca9311b05499f0f7fc.exe"C:\Users\Admin\AppData\Local\Temp\041698926287077b77e276b4cd5fa52964b3f17693ccc4ca9311b05499f0f7fc.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1872 -
C:\Users\Admin\AppData\Local\Temp\nbfile0.exeC:\Users\Admin\AppData\Local\Temp\nbfile0.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1988 -
C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\newsetup.vbs"3⤵PID:2016
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\1.vbs"3⤵PID:916
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C:\Users\Admin\AppData\Local\Temp\nbfile1.exeC:\Users\Admin\AppData\Local\Temp\nbfile1.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1656 -
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:1416 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1416 CREDAT:275457 /prefetch:24⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:968
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\nbfile1.exe3⤵PID:1628
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
35KB
MD508f52a4ccd01913b9a9691093a64366f
SHA1e44c6620b4107a0f55e89f632c007a9a1ec88119
SHA25685357e0168e34f2d01f319a0f129132b77f03cafb6820ecf6dda64a39266582d
SHA512d6a9eed3a663f59047cb6d74aed375a7041060921ea80835f039726fa171fbf7b030c29a4c3059ae875058605f54bebfcba7d4daaf36b5ed1cb960e91d4755fc
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Filesize
35KB
MD508f52a4ccd01913b9a9691093a64366f
SHA1e44c6620b4107a0f55e89f632c007a9a1ec88119
SHA25685357e0168e34f2d01f319a0f129132b77f03cafb6820ecf6dda64a39266582d
SHA512d6a9eed3a663f59047cb6d74aed375a7041060921ea80835f039726fa171fbf7b030c29a4c3059ae875058605f54bebfcba7d4daaf36b5ed1cb960e91d4755fc
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Filesize
467KB
MD574869a0346ab36bbba85022612505121
SHA12cd02f46f2f9f46eaf15fce40a3bf4781f80cf8a
SHA2566de866b5c8abb1db9b2be231b365c1aa029118fbc58823f443f00e3a33dff18a
SHA512723812083113cff82aa5e2243759c572518865e351cc81b7c2b85a05557862dbbd7a98b964ff6f3aa3802bb5d4dab01a14147211495fc5803d9ddb7b715f4de5
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Filesize
603B
MD51ed10f816dd27c50046c65f86bc015bf
SHA1bdc610b076aea8fbbfd1cb315633f666d0e25ff4
SHA256739e918779c34da44a2ec39f59517073348ebeb239a787ca3adc59128e6b795f
SHA51264b46f8ecfcf8b684692e1095a7584db803a39dc28680cb039a941545737fd5cb61b1be54ac4bdec35a43ef920e9909a1b7b3ea55823cb4129ce1f52ea72772e
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Filesize
631B
MD55e2c0c26e344eeae4304c9bb561ea89b
SHA14664f9d0f582ab586ab197515aa45499eb18db41
SHA256f74ed58e1ff45165abf943ff0364fff8e5d873b9051ccba0da940399fbd8aac3
SHA5124aa5f6d5c35160470f99808dab9a68f826e726eae0b7f536e71665b978d72502faf971c4f9f2a9a792b3aca04736c9c97d633da7b34b50dbd3831dcb67284d97
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Filesize
35KB
MD508f52a4ccd01913b9a9691093a64366f
SHA1e44c6620b4107a0f55e89f632c007a9a1ec88119
SHA25685357e0168e34f2d01f319a0f129132b77f03cafb6820ecf6dda64a39266582d
SHA512d6a9eed3a663f59047cb6d74aed375a7041060921ea80835f039726fa171fbf7b030c29a4c3059ae875058605f54bebfcba7d4daaf36b5ed1cb960e91d4755fc
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Filesize
35KB
MD508f52a4ccd01913b9a9691093a64366f
SHA1e44c6620b4107a0f55e89f632c007a9a1ec88119
SHA25685357e0168e34f2d01f319a0f129132b77f03cafb6820ecf6dda64a39266582d
SHA512d6a9eed3a663f59047cb6d74aed375a7041060921ea80835f039726fa171fbf7b030c29a4c3059ae875058605f54bebfcba7d4daaf36b5ed1cb960e91d4755fc
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Filesize
35KB
MD508f52a4ccd01913b9a9691093a64366f
SHA1e44c6620b4107a0f55e89f632c007a9a1ec88119
SHA25685357e0168e34f2d01f319a0f129132b77f03cafb6820ecf6dda64a39266582d
SHA512d6a9eed3a663f59047cb6d74aed375a7041060921ea80835f039726fa171fbf7b030c29a4c3059ae875058605f54bebfcba7d4daaf36b5ed1cb960e91d4755fc
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Filesize
35KB
MD508f52a4ccd01913b9a9691093a64366f
SHA1e44c6620b4107a0f55e89f632c007a9a1ec88119
SHA25685357e0168e34f2d01f319a0f129132b77f03cafb6820ecf6dda64a39266582d
SHA512d6a9eed3a663f59047cb6d74aed375a7041060921ea80835f039726fa171fbf7b030c29a4c3059ae875058605f54bebfcba7d4daaf36b5ed1cb960e91d4755fc
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Filesize
35KB
MD508f52a4ccd01913b9a9691093a64366f
SHA1e44c6620b4107a0f55e89f632c007a9a1ec88119
SHA25685357e0168e34f2d01f319a0f129132b77f03cafb6820ecf6dda64a39266582d
SHA512d6a9eed3a663f59047cb6d74aed375a7041060921ea80835f039726fa171fbf7b030c29a4c3059ae875058605f54bebfcba7d4daaf36b5ed1cb960e91d4755fc
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Filesize
467KB
MD574869a0346ab36bbba85022612505121
SHA12cd02f46f2f9f46eaf15fce40a3bf4781f80cf8a
SHA2566de866b5c8abb1db9b2be231b365c1aa029118fbc58823f443f00e3a33dff18a
SHA512723812083113cff82aa5e2243759c572518865e351cc81b7c2b85a05557862dbbd7a98b964ff6f3aa3802bb5d4dab01a14147211495fc5803d9ddb7b715f4de5
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Filesize
467KB
MD574869a0346ab36bbba85022612505121
SHA12cd02f46f2f9f46eaf15fce40a3bf4781f80cf8a
SHA2566de866b5c8abb1db9b2be231b365c1aa029118fbc58823f443f00e3a33dff18a
SHA512723812083113cff82aa5e2243759c572518865e351cc81b7c2b85a05557862dbbd7a98b964ff6f3aa3802bb5d4dab01a14147211495fc5803d9ddb7b715f4de5