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Analysis
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max time kernel
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max time network
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platform
windows10-1703_x64 -
resource
win10-20220812-en -
resource tags
arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system -
submitted
13/09/2022, 18:43
Static task
static1
Behavioral task
behavioral1
Sample
d52a38a64c1f90c45389d2643af48aabb0022e108605de9004a0834dbaecfe2d.exe
Resource
win10-20220812-en
General
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Target
d52a38a64c1f90c45389d2643af48aabb0022e108605de9004a0834dbaecfe2d.exe
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Size
717KB
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MD5
60ac675aa5d27362c5566bad0d4141b6
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SHA1
ee4ae57e1250e8a69d9c3af900cbfc7fcc9d5681
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SHA256
d52a38a64c1f90c45389d2643af48aabb0022e108605de9004a0834dbaecfe2d
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SHA512
f19e61b95f442a31e53efdc9b75eb19f351ed1edc3af52d7c24c866237ba1a7359d404fcc33498fea8f4c1720e6b159280f538a4cfefb8f021a803357d9fa57b
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SSDEEP
768:rZmchlXKGREW6VA6joSRhFH+C9Pe2auEqainmngYWxuv8Gwmwoe9R4ZstojtfcWv:schl6M+lpDCUoHid0bIrlyR
Malware Config
Signatures
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Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
pid Process 4220 dllhost.exe -
Adds Run key to start application 2 TTPs 9 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Windows\CurrentVersion\Run\dllhost = "C:\\ProgramData\\Dllhost\\dllhost.exe" dllhost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Windows\CurrentVersion\Run\WmiPrvSE = "C:\\Windows\\System32\\wbem\\WmiPrvSE.exe" dllhost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Windows\CurrentVersion\Run\SecurityHealthSystray = "C:\\Windows\\System32\\SecurityHealthSystray.exe" dllhost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Windows\CurrentVersion\Run\WindowsDefender = "C:\\Program Files\\Windows Defender\\MpCmdRun.exe" dllhost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Windows\CurrentVersion\Run\Cortana = "C:\\Program Files\\WindowsApps\\Microsoft.x64__8wekyb3gfdfdgd8bbwe\\Cortana.exe" dllhost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Windows\CurrentVersion\Run\AntiMalwareServiceExecutable = "C:\\ProgramData\\Microsoft\\Windows Defender\\Platform\\4.18.2111.5-0\\MsMpEng.exe" dllhost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicrosoftEdgeUpd = "C:\\Program Files\\WindowsApps\\Microsoft.x64__8wekyb3gfdfdgd8bbwe/file.exe" dllhost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Windows\CurrentVersion\Run\OneDriveService = "C:\\Program Files\\WindowsApps\\Microsoft.x64__8wekyb3gfdfdgd8bbwe/file.exe" dllhost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Windows\CurrentVersion\Run\NvStray = "C:\\Program Files\\WindowsApps\\Microsoft.x64__8wekyb3gfdfdgd8bbwe/file.exe" dllhost.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs
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Creates scheduled task(s) 1 TTPs 5 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4340 schtasks.exe 1192 schtasks.exe 212 schtasks.exe 2652 schtasks.exe 2232 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3484 powershell.exe 3484 powershell.exe 3484 powershell.exe 1692 powershell.exe 1692 powershell.exe 1692 powershell.exe 4220 dllhost.exe 4220 dllhost.exe 4220 dllhost.exe 4220 dllhost.exe 4220 dllhost.exe 4220 dllhost.exe 4220 dllhost.exe 4220 dllhost.exe 4220 dllhost.exe 4220 dllhost.exe 4220 dllhost.exe 4220 dllhost.exe 4220 dllhost.exe 4220 dllhost.exe 4220 dllhost.exe 4220 dllhost.exe 4220 dllhost.exe 4220 dllhost.exe 4220 dllhost.exe 4220 dllhost.exe 4220 dllhost.exe 4220 dllhost.exe 4220 dllhost.exe 4220 dllhost.exe 4220 dllhost.exe 4220 dllhost.exe 4220 dllhost.exe 4220 dllhost.exe 4220 dllhost.exe 4220 dllhost.exe 4220 dllhost.exe 4220 dllhost.exe 4220 dllhost.exe 4220 dllhost.exe 4220 dllhost.exe 4220 dllhost.exe 4220 dllhost.exe 4220 dllhost.exe 4220 dllhost.exe 4220 dllhost.exe 4220 dllhost.exe 4220 dllhost.exe 4220 dllhost.exe 4220 dllhost.exe 4220 dllhost.exe 4220 dllhost.exe 4220 dllhost.exe 4220 dllhost.exe 4220 dllhost.exe 4220 dllhost.exe 4220 dllhost.exe 4220 dllhost.exe 4220 dllhost.exe 4220 dllhost.exe 4220 dllhost.exe 4220 dllhost.exe 4220 dllhost.exe 4220 dllhost.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3484 powershell.exe Token: SeDebugPrivilege 2016 d52a38a64c1f90c45389d2643af48aabb0022e108605de9004a0834dbaecfe2d.exe Token: SeDebugPrivilege 1692 powershell.exe Token: SeDebugPrivilege 4220 dllhost.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2016 wrote to memory of 4808 2016 d52a38a64c1f90c45389d2643af48aabb0022e108605de9004a0834dbaecfe2d.exe 66 PID 2016 wrote to memory of 4808 2016 d52a38a64c1f90c45389d2643af48aabb0022e108605de9004a0834dbaecfe2d.exe 66 PID 2016 wrote to memory of 4808 2016 d52a38a64c1f90c45389d2643af48aabb0022e108605de9004a0834dbaecfe2d.exe 66 PID 4808 wrote to memory of 4120 4808 cmd.exe 68 PID 4808 wrote to memory of 4120 4808 cmd.exe 68 PID 4808 wrote to memory of 4120 4808 cmd.exe 68 PID 4808 wrote to memory of 3484 4808 cmd.exe 69 PID 4808 wrote to memory of 3484 4808 cmd.exe 69 PID 4808 wrote to memory of 3484 4808 cmd.exe 69 PID 4808 wrote to memory of 1692 4808 cmd.exe 70 PID 4808 wrote to memory of 1692 4808 cmd.exe 70 PID 4808 wrote to memory of 1692 4808 cmd.exe 70 PID 2016 wrote to memory of 4220 2016 d52a38a64c1f90c45389d2643af48aabb0022e108605de9004a0834dbaecfe2d.exe 71 PID 2016 wrote to memory of 4220 2016 d52a38a64c1f90c45389d2643af48aabb0022e108605de9004a0834dbaecfe2d.exe 71 PID 2016 wrote to memory of 4220 2016 d52a38a64c1f90c45389d2643af48aabb0022e108605de9004a0834dbaecfe2d.exe 71 PID 4220 wrote to memory of 4452 4220 dllhost.exe 72 PID 4220 wrote to memory of 4452 4220 dllhost.exe 72 PID 4220 wrote to memory of 4452 4220 dllhost.exe 72 PID 4220 wrote to memory of 4496 4220 dllhost.exe 73 PID 4220 wrote to memory of 4496 4220 dllhost.exe 73 PID 4220 wrote to memory of 4496 4220 dllhost.exe 73 PID 4220 wrote to memory of 4880 4220 dllhost.exe 74 PID 4220 wrote to memory of 4880 4220 dllhost.exe 74 PID 4220 wrote to memory of 4880 4220 dllhost.exe 74 PID 4220 wrote to memory of 2312 4220 dllhost.exe 75 PID 4220 wrote to memory of 2312 4220 dllhost.exe 75 PID 4220 wrote to memory of 2312 4220 dllhost.exe 75 PID 4220 wrote to memory of 3200 4220 dllhost.exe 79 PID 4220 wrote to memory of 3200 4220 dllhost.exe 79 PID 4220 wrote to memory of 3200 4220 dllhost.exe 79 PID 4220 wrote to memory of 4432 4220 dllhost.exe 78 PID 4220 wrote to memory of 4432 4220 dllhost.exe 78 PID 4220 wrote to memory of 4432 4220 dllhost.exe 78 PID 4220 wrote to memory of 4524 4220 dllhost.exe 77 PID 4220 wrote to memory of 4524 4220 dllhost.exe 77 PID 4220 wrote to memory of 4524 4220 dllhost.exe 77 PID 4220 wrote to memory of 1384 4220 dllhost.exe 80 PID 4220 wrote to memory of 1384 4220 dllhost.exe 80 PID 4220 wrote to memory of 1384 4220 dllhost.exe 80 PID 4220 wrote to memory of 3808 4220 dllhost.exe 81 PID 4220 wrote to memory of 3808 4220 dllhost.exe 81 PID 4220 wrote to memory of 3808 4220 dllhost.exe 81 PID 4220 wrote to memory of 5036 4220 dllhost.exe 82 PID 4220 wrote to memory of 5036 4220 dllhost.exe 82 PID 4220 wrote to memory of 5036 4220 dllhost.exe 82 PID 4220 wrote to memory of 4668 4220 dllhost.exe 83 PID 4220 wrote to memory of 4668 4220 dllhost.exe 83 PID 4220 wrote to memory of 4668 4220 dllhost.exe 83 PID 4220 wrote to memory of 4740 4220 dllhost.exe 84 PID 4220 wrote to memory of 4740 4220 dllhost.exe 84 PID 4220 wrote to memory of 4740 4220 dllhost.exe 84 PID 4452 wrote to memory of 212 4452 cmd.exe 96 PID 4452 wrote to memory of 212 4452 cmd.exe 96 PID 4452 wrote to memory of 212 4452 cmd.exe 96 PID 3200 wrote to memory of 2232 3200 cmd.exe 98 PID 3200 wrote to memory of 2232 3200 cmd.exe 98 PID 3200 wrote to memory of 2232 3200 cmd.exe 98 PID 4432 wrote to memory of 2652 4432 cmd.exe 97 PID 4432 wrote to memory of 2652 4432 cmd.exe 97 PID 4432 wrote to memory of 2652 4432 cmd.exe 97 PID 1384 wrote to memory of 1192 1384 cmd.exe 100 PID 1384 wrote to memory of 1192 1384 cmd.exe 100 PID 1384 wrote to memory of 1192 1384 cmd.exe 100 PID 3808 wrote to memory of 4340 3808 cmd.exe 99
Processes
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C:\Users\Admin\AppData\Local\Temp\d52a38a64c1f90c45389d2643af48aabb0022e108605de9004a0834dbaecfe2d.exe"C:\Users\Admin\AppData\Local\Temp\d52a38a64c1f90c45389d2643af48aabb0022e108605de9004a0834dbaecfe2d.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2016 -
C:\Windows\SysWOW64\cmd.exe"cmd.exe" /C chcp 1251 & powershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\Dllhost" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\HostData"2⤵
- Suspicious use of WriteProcessMemory
PID:4808 -
C:\Windows\SysWOW64\chcp.comchcp 12513⤵PID:4120
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3484
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\Dllhost"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1692
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C:\ProgramData\Dllhost\dllhost.exe"C:\ProgramData\Dllhost\dllhost.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4220 -
C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "SecurityHealthSystray" /TR "C:\ProgramData\Dllhost\dllhost.exe"3⤵
- Suspicious use of WriteProcessMemory
PID:4452 -
C:\Windows\SysWOW64\schtasks.exeSCHTASKS /CREATE /SC HOURLY /TN "SecurityHealthSystray" /TR "C:\ProgramData\Dllhost\dllhost.exe"4⤵
- Creates scheduled task(s)
PID:212
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefender" /TR "C:\ProgramData\Dllhost\dllhost.exe"3⤵PID:4496
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "WmiPrvSE" /TR "C:\ProgramData\Dllhost\dllhost.exe"3⤵PID:4880
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareServiceExecutable" /TR "C:\ProgramData\Dllhost\dllhost.exe"3⤵PID:2312
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "OneDriveService" /TR "C:\ProgramData\Dllhost\dllhost.exe"3⤵PID:4524
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftEdgeUpd" /TR "C:\ProgramData\Dllhost\dllhost.exe"3⤵
- Suspicious use of WriteProcessMemory
PID:4432 -
C:\Windows\SysWOW64\schtasks.exeSCHTASKS /CREATE /SC HOURLY /TN "MicrosoftEdgeUpd" /TR "C:\ProgramData\Dllhost\dllhost.exe"4⤵
- Creates scheduled task(s)
PID:2652
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "dllhost" /TR "C:\ProgramData\Dllhost\dllhost.exe"3⤵
- Suspicious use of WriteProcessMemory
PID:3200 -
C:\Windows\SysWOW64\schtasks.exeSCHTASKS /CREATE /SC HOURLY /TN "dllhost" /TR "C:\ProgramData\Dllhost\dllhost.exe"4⤵
- Creates scheduled task(s)
PID:2232
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "NvStray" /TR "C:\ProgramData\Dllhost\dllhost.exe"3⤵
- Suspicious use of WriteProcessMemory
PID:1384 -
C:\Windows\SysWOW64\schtasks.exeSCHTASKS /CREATE /SC HOURLY /TN "NvStray" /TR "C:\ProgramData\Dllhost\dllhost.exe"4⤵
- Creates scheduled task(s)
PID:1192
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefenderServices\WindowsDefenderServicesService_bk8782" /TR "C:\ProgramData\Dllhost\dllhost.exe"3⤵
- Suspicious use of WriteProcessMemory
PID:3808 -
C:\Windows\SysWOW64\schtasks.exeSCHTASKS /CREATE /SC HOURLY /TN "WindowsDefenderServices\WindowsDefenderServicesService_bk8782" /TR "C:\ProgramData\Dllhost\dllhost.exe"4⤵
- Creates scheduled task(s)
PID:4340
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareSericeExecutable\AntiMalwareSericeExecutableService_bk2820" /TR "C:\ProgramData\Dllhost\dllhost.exe"3⤵PID:5036
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftUpdateServices\MicrosoftUpdateServicesService_bk3968" /TR "C:\ProgramData\Dllhost\dllhost.exe"3⤵PID:4668
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "SettingSysHost\SettingSysHostService_bk4520" /TR "C:\ProgramData\Dllhost\dllhost.exe"3⤵PID:4740
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off3⤵PID:4856
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off3⤵PID:3308
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C:\Windows\SysWOW64\chcp.comchcp 12514⤵PID:1728
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
893KB
MD501ad5f694d6506cf8a5bd6f7be075816
SHA1638eb06979272a2697df12be232f6d3cbc19be77
SHA256f7d7676c7d7172e973c3c425fa374601c64e92e0d344a080ee3d2029281ff985
SHA512bb43c48290495612810cc9c82777fefe85b9a277cf9a4d112755fc3ea6235b4179c205372f085e6af536f78d3b07b504bb394e61cfa9797c32a9568fa7e7857c
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Filesize
893KB
MD501ad5f694d6506cf8a5bd6f7be075816
SHA1638eb06979272a2697df12be232f6d3cbc19be77
SHA256f7d7676c7d7172e973c3c425fa374601c64e92e0d344a080ee3d2029281ff985
SHA512bb43c48290495612810cc9c82777fefe85b9a277cf9a4d112755fc3ea6235b4179c205372f085e6af536f78d3b07b504bb394e61cfa9797c32a9568fa7e7857c
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Filesize
497B
MD513fda2ab01b83a5130842a5bab3892d3
SHA16e18e4b467cde054a63a95d4dfc030f156ecd215
SHA25676973d42c8fceceab7ec85b3d01b218db92564993e93a9bea31c52aa73aeee9e
SHA512c51f9fd6e452fbeeedd4dfaba3c7c887e337f01e68abdd27d4032f8be85def7ef3cf0c77bf60e425b085b76c0539464c6b6e5e805a69397c5519e8ccf9fffccc
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Filesize
2KB
MD51c19c16e21c97ed42d5beabc93391fc5
SHA18ad83f8e0b3acf8dfbbf87931e41f0d664c4df68
SHA2561bcd97396c83babfe6c5068ba590d7a3f8b70e72955a9d1e4070648e404cbf05
SHA5127d18776d8f649b3d29c182ff03efc6cea8b527542ee55304980f24577aae8b64e37044407776e220984346c3998ace5f8853afa58c8b38407482a728e9495e0c
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Filesize
18KB
MD5ea13de45b4ace2a8ad408ae80d272d8e
SHA10281ace5b31eb60edf3c5198c60f368fcf713c85
SHA256496b8dd7758730de5f8f1f4a8c77c9975dde05057d0b9ad5c9445ddcb206f237
SHA5125c87525c339a013b4d229849bcfd24aa50f955be320546b64d48fc077f83d1152d28ff974b73b08830243e4e218465a38192e62d4bf54958e6f1a8915a4a516e