Analysis
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max time kernel
75s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
23/11/2022, 20:26
Static task
static1
Behavioral task
behavioral1
Sample
7b609e6281fceac6f791241654fa9618952a99ef39a14fcf3b70abb891a8716c.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
7b609e6281fceac6f791241654fa9618952a99ef39a14fcf3b70abb891a8716c.exe
Resource
win10v2004-20220812-en
General
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Target
7b609e6281fceac6f791241654fa9618952a99ef39a14fcf3b70abb891a8716c.exe
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Size
581KB
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MD5
52471f9edfae1f69bc8afc471ed3486f
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SHA1
57c440b224cef7a378f7c49bd4076e97388e5733
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SHA256
7b609e6281fceac6f791241654fa9618952a99ef39a14fcf3b70abb891a8716c
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SHA512
82c70f1c7f38e2730a0060051d9cc88a7f4c7693081dcc343d34906a4ae9d2b40cffd6513c56f7c42931247f28f7e3174d1cf1240f36946713c427fef70dbb2c
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SSDEEP
12288:uoMDtCi7NFlZnNqZ9xGrLpZ0ZHEqtgb0U8:ufplNFgxG5eZngb0n
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
pid Process 1124 nbfile0.exe 1676 nbfile1.exe -
Loads dropped DLL 7 IoCs
pid Process 1168 7b609e6281fceac6f791241654fa9618952a99ef39a14fcf3b70abb891a8716c.exe 1168 7b609e6281fceac6f791241654fa9618952a99ef39a14fcf3b70abb891a8716c.exe 1168 7b609e6281fceac6f791241654fa9618952a99ef39a14fcf3b70abb891a8716c.exe 1168 7b609e6281fceac6f791241654fa9618952a99ef39a14fcf3b70abb891a8716c.exe 1676 nbfile1.exe 1676 nbfile1.exe 1676 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/0x00070000000139f2-65.dat nsis_installer_2 behavioral1/files/0x00070000000139f2-66.dat nsis_installer_2 behavioral1/files/0x00070000000139f2-68.dat nsis_installer_2 behavioral1/files/0x00070000000139f2-70.dat nsis_installer_2 behavioral1/files/0x00070000000139f2-71.dat nsis_installer_2 behavioral1/files/0x00070000000139f2-72.dat nsis_installer_2 behavioral1/files/0x00070000000139f2-73.dat nsis_installer_2 -
description ioc Process Set value (data) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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 IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "376014699" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000feda206b0e0a2e48ac0443653ec70f0100000000020000000000106600000001000020000000f192200bfa6ea3b0fba812feadfc2414dcd90a1c46924bddc97adedbcc39d02f000000000e8000000002000020000000a56272109c8fd846066a2446cc786696a3b9fe47556d02b1330d67ff55faae432000000099301f1283ff4c313691528c0d3c57475f69bbd0c614760f3dc07cb979952eb940000000cdaa33c320a750aacf920a61f8f72aaa28f1c62af1793a0172d5c73d2787dd0796c195c70a4efd17206f60f41a9bf32376a3fc0a3aec62277398acf3d393be8d IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 80ef55dd9bffd801 IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\IntelliForms IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\InternetRegistry IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Zoom IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\IETld\LowMic IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\PageSetup IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{EFFFF311-6B8E-11ED-BB27-6A94EDCEDC7A} = "0" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 1124 nbfile0.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 992 IEXPLORE.EXE -
Suspicious use of SetWindowsHookEx 7 IoCs
pid Process 1124 nbfile0.exe 992 IEXPLORE.EXE 992 IEXPLORE.EXE 1956 IEXPLORE.EXE 1956 IEXPLORE.EXE 1956 IEXPLORE.EXE 1956 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 37 IoCs
description pid Process procid_target PID 1168 wrote to memory of 1124 1168 7b609e6281fceac6f791241654fa9618952a99ef39a14fcf3b70abb891a8716c.exe 27 PID 1168 wrote to memory of 1124 1168 7b609e6281fceac6f791241654fa9618952a99ef39a14fcf3b70abb891a8716c.exe 27 PID 1168 wrote to memory of 1124 1168 7b609e6281fceac6f791241654fa9618952a99ef39a14fcf3b70abb891a8716c.exe 27 PID 1168 wrote to memory of 1124 1168 7b609e6281fceac6f791241654fa9618952a99ef39a14fcf3b70abb891a8716c.exe 27 PID 1124 wrote to memory of 992 1124 nbfile0.exe 28 PID 1124 wrote to memory of 992 1124 nbfile0.exe 28 PID 1124 wrote to memory of 992 1124 nbfile0.exe 28 PID 1124 wrote to memory of 992 1124 nbfile0.exe 28 PID 992 wrote to memory of 1956 992 IEXPLORE.EXE 30 PID 992 wrote to memory of 1956 992 IEXPLORE.EXE 30 PID 992 wrote to memory of 1956 992 IEXPLORE.EXE 30 PID 992 wrote to memory of 1956 992 IEXPLORE.EXE 30 PID 1124 wrote to memory of 1156 1124 nbfile0.exe 31 PID 1124 wrote to memory of 1156 1124 nbfile0.exe 31 PID 1124 wrote to memory of 1156 1124 nbfile0.exe 31 PID 1124 wrote to memory of 1156 1124 nbfile0.exe 31 PID 1168 wrote to memory of 1676 1168 7b609e6281fceac6f791241654fa9618952a99ef39a14fcf3b70abb891a8716c.exe 32 PID 1168 wrote to memory of 1676 1168 7b609e6281fceac6f791241654fa9618952a99ef39a14fcf3b70abb891a8716c.exe 32 PID 1168 wrote to memory of 1676 1168 7b609e6281fceac6f791241654fa9618952a99ef39a14fcf3b70abb891a8716c.exe 32 PID 1168 wrote to memory of 1676 1168 7b609e6281fceac6f791241654fa9618952a99ef39a14fcf3b70abb891a8716c.exe 32 PID 1168 wrote to memory of 1676 1168 7b609e6281fceac6f791241654fa9618952a99ef39a14fcf3b70abb891a8716c.exe 32 PID 1168 wrote to memory of 1676 1168 7b609e6281fceac6f791241654fa9618952a99ef39a14fcf3b70abb891a8716c.exe 32 PID 1168 wrote to memory of 1676 1168 7b609e6281fceac6f791241654fa9618952a99ef39a14fcf3b70abb891a8716c.exe 32 PID 1676 wrote to memory of 1628 1676 nbfile1.exe 33 PID 1676 wrote to memory of 1628 1676 nbfile1.exe 33 PID 1676 wrote to memory of 1628 1676 nbfile1.exe 33 PID 1676 wrote to memory of 1628 1676 nbfile1.exe 33 PID 1676 wrote to memory of 1628 1676 nbfile1.exe 33 PID 1676 wrote to memory of 1628 1676 nbfile1.exe 33 PID 1676 wrote to memory of 1628 1676 nbfile1.exe 33 PID 1676 wrote to memory of 672 1676 nbfile1.exe 34 PID 1676 wrote to memory of 672 1676 nbfile1.exe 34 PID 1676 wrote to memory of 672 1676 nbfile1.exe 34 PID 1676 wrote to memory of 672 1676 nbfile1.exe 34 PID 1676 wrote to memory of 672 1676 nbfile1.exe 34 PID 1676 wrote to memory of 672 1676 nbfile1.exe 34 PID 1676 wrote to memory of 672 1676 nbfile1.exe 34
Processes
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C:\Users\Admin\AppData\Local\Temp\7b609e6281fceac6f791241654fa9618952a99ef39a14fcf3b70abb891a8716c.exe"C:\Users\Admin\AppData\Local\Temp\7b609e6281fceac6f791241654fa9618952a99ef39a14fcf3b70abb891a8716c.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1168 -
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:1124 -
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:992 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:992 CREDAT:275457 /prefetch:24⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1956
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\nbfile0.exe3⤵PID:1156
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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:1676 -
C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\newsetup.vbs"3⤵PID:1628
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\1.vbs"3⤵PID:672
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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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
603B
MD570600b8b7ca4d004ffaebe40d4b3a945
SHA1f26a3bbedb6f65e894653f86b805783ad138d8fe
SHA25610550c1e369960e4d1be34c878c8c546d8e2e53e6b735ac3aaff1b3915e37dd6
SHA5123deb74ed3cee3eda437ccab140a2634a29ec9debaf4bb9e45eaa523db35db084b71ac8c12183f28b0b737fe2cd29e17b9f773c7482d0c5c814607735f704a5f3
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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