Analysis
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max time kernel
99s -
max time network
138s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
19/09/2022, 02:37
Static task
static1
Behavioral task
behavioral1
Sample
031209161850520140dce11a3a5d0a5ff768c5fde53c16add978be268f0ad8a2.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
031209161850520140dce11a3a5d0a5ff768c5fde53c16add978be268f0ad8a2.exe
Resource
win10v2004-20220812-en
General
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Target
031209161850520140dce11a3a5d0a5ff768c5fde53c16add978be268f0ad8a2.exe
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Size
581KB
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MD5
b029afca7be71c6c9b902856f4463ddb
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SHA1
2e13aeac334ce549fe061adc7711e8a5ed4c7907
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SHA256
031209161850520140dce11a3a5d0a5ff768c5fde53c16add978be268f0ad8a2
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SHA512
93081fd67bf6401371b56ec617b0c0ff45b6584dace37261c9473c5f2da2dc8670730a9bc2e23172cfa1192dc4f792040b3caf7a259bfca6b72c7988b7ddf315
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SSDEEP
12288:uoMDtCi7NFlZnNqZ9xGrLpZ0ZHEqtgb0U0:ufplNFgxG5eZngb0/
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
pid Process 628 nbfile0.exe 1008 nbfile1.exe -
Loads dropped DLL 7 IoCs
pid Process 960 031209161850520140dce11a3a5d0a5ff768c5fde53c16add978be268f0ad8a2.exe 960 031209161850520140dce11a3a5d0a5ff768c5fde53c16add978be268f0ad8a2.exe 960 031209161850520140dce11a3a5d0a5ff768c5fde53c16add978be268f0ad8a2.exe 960 031209161850520140dce11a3a5d0a5ff768c5fde53c16add978be268f0ad8a2.exe 1008 nbfile1.exe 1008 nbfile1.exe 1008 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/0x000a0000000122ed-65.dat nsis_installer_2 behavioral1/files/0x000a0000000122ed-66.dat nsis_installer_2 behavioral1/files/0x000a0000000122ed-68.dat nsis_installer_2 behavioral1/files/0x000a0000000122ed-70.dat nsis_installer_2 behavioral1/files/0x000a0000000122ed-71.dat nsis_installer_2 behavioral1/files/0x000a0000000122ed-72.dat nsis_installer_2 behavioral1/files/0x000a0000000122ed-73.dat nsis_installer_2 -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "370323986" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 2072371adacbd801 IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IETld\LowMic IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IntelliForms IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\PageSetup IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000048ca5449a4d21846ba8a995ea0abd35a00000000020000000000106600000001000020000000e9bf9545ddb0e981cd35a47620e9ffeaab0ba0253af61abf9be4d66391ab432a000000000e8000000002000020000000f00cfbcc6086e29be1062777ff595d868cc473ecc9d822c434b88cf2d642866220000000fbd4f7c3188e788c05e1e7731ddf804aa6c66b759165932e6a5f56f64bbcbffb40000000fd5bb9c2aed2211b2650fe0f4781cc0f9e73e7f6ef5c095428a22ef1ce92b6d015da44eb16213120f2be9e31f96af6a5fa31f34ec685afa43e308ff47ed89a47 IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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 IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Zoom IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{3A57F661-37CD-11ED-A584-DA3F1CB7DA19} = "0" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\InternetRegistry IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion IEXPLORE.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 628 nbfile0.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 556 IEXPLORE.EXE -
Suspicious use of SetWindowsHookEx 7 IoCs
pid Process 628 nbfile0.exe 556 IEXPLORE.EXE 556 IEXPLORE.EXE 1916 IEXPLORE.EXE 1916 IEXPLORE.EXE 1916 IEXPLORE.EXE 1916 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 37 IoCs
description pid Process procid_target PID 960 wrote to memory of 628 960 031209161850520140dce11a3a5d0a5ff768c5fde53c16add978be268f0ad8a2.exe 27 PID 960 wrote to memory of 628 960 031209161850520140dce11a3a5d0a5ff768c5fde53c16add978be268f0ad8a2.exe 27 PID 960 wrote to memory of 628 960 031209161850520140dce11a3a5d0a5ff768c5fde53c16add978be268f0ad8a2.exe 27 PID 960 wrote to memory of 628 960 031209161850520140dce11a3a5d0a5ff768c5fde53c16add978be268f0ad8a2.exe 27 PID 628 wrote to memory of 556 628 nbfile0.exe 28 PID 628 wrote to memory of 556 628 nbfile0.exe 28 PID 628 wrote to memory of 556 628 nbfile0.exe 28 PID 628 wrote to memory of 556 628 nbfile0.exe 28 PID 556 wrote to memory of 1916 556 IEXPLORE.EXE 30 PID 556 wrote to memory of 1916 556 IEXPLORE.EXE 30 PID 556 wrote to memory of 1916 556 IEXPLORE.EXE 30 PID 556 wrote to memory of 1916 556 IEXPLORE.EXE 30 PID 628 wrote to memory of 2032 628 nbfile0.exe 31 PID 628 wrote to memory of 2032 628 nbfile0.exe 31 PID 628 wrote to memory of 2032 628 nbfile0.exe 31 PID 628 wrote to memory of 2032 628 nbfile0.exe 31 PID 960 wrote to memory of 1008 960 031209161850520140dce11a3a5d0a5ff768c5fde53c16add978be268f0ad8a2.exe 32 PID 960 wrote to memory of 1008 960 031209161850520140dce11a3a5d0a5ff768c5fde53c16add978be268f0ad8a2.exe 32 PID 960 wrote to memory of 1008 960 031209161850520140dce11a3a5d0a5ff768c5fde53c16add978be268f0ad8a2.exe 32 PID 960 wrote to memory of 1008 960 031209161850520140dce11a3a5d0a5ff768c5fde53c16add978be268f0ad8a2.exe 32 PID 960 wrote to memory of 1008 960 031209161850520140dce11a3a5d0a5ff768c5fde53c16add978be268f0ad8a2.exe 32 PID 960 wrote to memory of 1008 960 031209161850520140dce11a3a5d0a5ff768c5fde53c16add978be268f0ad8a2.exe 32 PID 960 wrote to memory of 1008 960 031209161850520140dce11a3a5d0a5ff768c5fde53c16add978be268f0ad8a2.exe 32 PID 1008 wrote to memory of 1324 1008 nbfile1.exe 33 PID 1008 wrote to memory of 1324 1008 nbfile1.exe 33 PID 1008 wrote to memory of 1324 1008 nbfile1.exe 33 PID 1008 wrote to memory of 1324 1008 nbfile1.exe 33 PID 1008 wrote to memory of 1324 1008 nbfile1.exe 33 PID 1008 wrote to memory of 1324 1008 nbfile1.exe 33 PID 1008 wrote to memory of 1324 1008 nbfile1.exe 33 PID 1008 wrote to memory of 1960 1008 nbfile1.exe 34 PID 1008 wrote to memory of 1960 1008 nbfile1.exe 34 PID 1008 wrote to memory of 1960 1008 nbfile1.exe 34 PID 1008 wrote to memory of 1960 1008 nbfile1.exe 34 PID 1008 wrote to memory of 1960 1008 nbfile1.exe 34 PID 1008 wrote to memory of 1960 1008 nbfile1.exe 34 PID 1008 wrote to memory of 1960 1008 nbfile1.exe 34
Processes
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C:\Users\Admin\AppData\Local\Temp\031209161850520140dce11a3a5d0a5ff768c5fde53c16add978be268f0ad8a2.exe"C:\Users\Admin\AppData\Local\Temp\031209161850520140dce11a3a5d0a5ff768c5fde53c16add978be268f0ad8a2.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:960 -
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:628 -
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:556 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:556 CREDAT:275457 /prefetch:24⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1916
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\nbfile0.exe3⤵PID:2032
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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:1008 -
C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\newsetup.vbs"3⤵PID:1324
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\1.vbs"3⤵PID:1960
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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
603B
MD57d07705729dbaa71c660e7a851c8559a
SHA11db54134bb2f4e0fa1e171d97d0e42aeb03d474b
SHA2563292910e072db8559d9a2677f233d3b55aff7c8a348f78837dcaea8efd118418
SHA512fd8df446a398a32be3fbb1a426d42fa7f32dd283d8dca089af7131159c50c57b42a014eab056a2833d1678badacca0928d039900dde181d8e870134a77bcd49a
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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