Analysis
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max time kernel
152s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 09:14
Static task
static1
Behavioral task
behavioral1
Sample
0aabb8923e97ce4256eff1305abb979be36923f83f94765ee28584035e2629cb.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0aabb8923e97ce4256eff1305abb979be36923f83f94765ee28584035e2629cb.exe
Resource
win10v2004-en-20220112
General
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Target
0aabb8923e97ce4256eff1305abb979be36923f83f94765ee28584035e2629cb.exe
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Size
92KB
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MD5
ba2ed1ae0d602dde340cbd16d1f8de85
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SHA1
5c675e54b0efaf6dc4d20f8e1acf337ffebce196
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SHA256
0aabb8923e97ce4256eff1305abb979be36923f83f94765ee28584035e2629cb
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SHA512
bd53de3528ff31f1351655712c51b757dd8029ddbe415f247dc65827c8456ee3404c9bf3db37c721381bdc428db8c517aa3b30bd4624eb8d2d789665227cec90
Malware Config
Signatures
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Sakula Payload 2 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe family_sakula C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe family_sakula -
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
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suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 1368 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0aabb8923e97ce4256eff1305abb979be36923f83f94765ee28584035e2629cb.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0aabb8923e97ce4256eff1305abb979be36923f83f94765ee28584035e2629cb.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0aabb8923e97ce4256eff1305abb979be36923f83f94765ee28584035e2629cb.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0aabb8923e97ce4256eff1305abb979be36923f83f94765ee28584035e2629cb.exe -
Drops file in Windows directory 3 IoCs
Processes:
svchost.exeTiWorker.exedescription ioc process File opened for modification C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat svchost.exe File opened for modification C:\Windows\Logs\CBS\CBS.log TiWorker.exe File opened for modification C:\Windows\WinSxS\pending.xml TiWorker.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
MusNotifyIcon.exedescription ioc process Key opened \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 MusNotifyIcon.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz MusNotifyIcon.exe -
Modifies data under HKEY_USERS 51 IoCs
Processes:
svchost.exedescription ioc process Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4184" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\GeoVersion_EndpointFullUri = "https://geover.prod.do.dsp.mp.microsoft.com/geoversion" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4092" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893073006541634" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "9.615233" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.546857" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.019682" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\Geo_EndpointFullUri = "https://geo.prod.do.dsp.mp.microsoft.com/geo" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CacheSizeBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4300" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe0aabb8923e97ce4256eff1305abb979be36923f83f94765ee28584035e2629cb.exedescription pid process Token: SeSecurityPrivilege 4040 TiWorker.exe Token: SeRestorePrivilege 4040 TiWorker.exe Token: SeBackupPrivilege 4040 TiWorker.exe Token: SeBackupPrivilege 4040 TiWorker.exe Token: SeRestorePrivilege 4040 TiWorker.exe Token: SeSecurityPrivilege 4040 TiWorker.exe Token: SeBackupPrivilege 4040 TiWorker.exe Token: SeRestorePrivilege 4040 TiWorker.exe Token: SeSecurityPrivilege 4040 TiWorker.exe Token: SeBackupPrivilege 4040 TiWorker.exe Token: SeRestorePrivilege 4040 TiWorker.exe Token: SeSecurityPrivilege 4040 TiWorker.exe Token: SeBackupPrivilege 4040 TiWorker.exe Token: SeRestorePrivilege 4040 TiWorker.exe Token: SeSecurityPrivilege 4040 TiWorker.exe Token: SeBackupPrivilege 4040 TiWorker.exe Token: SeRestorePrivilege 4040 TiWorker.exe Token: SeSecurityPrivilege 4040 TiWorker.exe Token: SeBackupPrivilege 4040 TiWorker.exe Token: SeRestorePrivilege 4040 TiWorker.exe Token: SeSecurityPrivilege 4040 TiWorker.exe Token: SeBackupPrivilege 4040 TiWorker.exe Token: SeRestorePrivilege 4040 TiWorker.exe Token: SeSecurityPrivilege 4040 TiWorker.exe Token: SeBackupPrivilege 4040 TiWorker.exe Token: SeRestorePrivilege 4040 TiWorker.exe Token: SeSecurityPrivilege 4040 TiWorker.exe Token: SeBackupPrivilege 4040 TiWorker.exe Token: SeRestorePrivilege 4040 TiWorker.exe Token: SeSecurityPrivilege 4040 TiWorker.exe Token: SeBackupPrivilege 4040 TiWorker.exe Token: SeRestorePrivilege 4040 TiWorker.exe Token: SeSecurityPrivilege 4040 TiWorker.exe Token: SeIncBasePriorityPrivilege 3036 0aabb8923e97ce4256eff1305abb979be36923f83f94765ee28584035e2629cb.exe Token: SeBackupPrivilege 4040 TiWorker.exe Token: SeRestorePrivilege 4040 TiWorker.exe Token: SeSecurityPrivilege 4040 TiWorker.exe Token: SeBackupPrivilege 4040 TiWorker.exe Token: SeRestorePrivilege 4040 TiWorker.exe Token: SeSecurityPrivilege 4040 TiWorker.exe Token: SeBackupPrivilege 4040 TiWorker.exe Token: SeRestorePrivilege 4040 TiWorker.exe Token: SeSecurityPrivilege 4040 TiWorker.exe Token: SeBackupPrivilege 4040 TiWorker.exe Token: SeRestorePrivilege 4040 TiWorker.exe Token: SeSecurityPrivilege 4040 TiWorker.exe Token: SeBackupPrivilege 4040 TiWorker.exe Token: SeRestorePrivilege 4040 TiWorker.exe Token: SeSecurityPrivilege 4040 TiWorker.exe Token: SeBackupPrivilege 4040 TiWorker.exe Token: SeRestorePrivilege 4040 TiWorker.exe Token: SeSecurityPrivilege 4040 TiWorker.exe Token: SeBackupPrivilege 4040 TiWorker.exe Token: SeRestorePrivilege 4040 TiWorker.exe Token: SeSecurityPrivilege 4040 TiWorker.exe Token: SeBackupPrivilege 4040 TiWorker.exe Token: SeRestorePrivilege 4040 TiWorker.exe Token: SeSecurityPrivilege 4040 TiWorker.exe Token: SeBackupPrivilege 4040 TiWorker.exe Token: SeRestorePrivilege 4040 TiWorker.exe Token: SeSecurityPrivilege 4040 TiWorker.exe Token: SeBackupPrivilege 4040 TiWorker.exe Token: SeRestorePrivilege 4040 TiWorker.exe Token: SeSecurityPrivilege 4040 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0aabb8923e97ce4256eff1305abb979be36923f83f94765ee28584035e2629cb.execmd.exedescription pid process target process PID 3036 wrote to memory of 1368 3036 0aabb8923e97ce4256eff1305abb979be36923f83f94765ee28584035e2629cb.exe MediaCenter.exe PID 3036 wrote to memory of 1368 3036 0aabb8923e97ce4256eff1305abb979be36923f83f94765ee28584035e2629cb.exe MediaCenter.exe PID 3036 wrote to memory of 1368 3036 0aabb8923e97ce4256eff1305abb979be36923f83f94765ee28584035e2629cb.exe MediaCenter.exe PID 3036 wrote to memory of 1396 3036 0aabb8923e97ce4256eff1305abb979be36923f83f94765ee28584035e2629cb.exe cmd.exe PID 3036 wrote to memory of 1396 3036 0aabb8923e97ce4256eff1305abb979be36923f83f94765ee28584035e2629cb.exe cmd.exe PID 3036 wrote to memory of 1396 3036 0aabb8923e97ce4256eff1305abb979be36923f83f94765ee28584035e2629cb.exe cmd.exe PID 1396 wrote to memory of 3244 1396 cmd.exe PING.EXE PID 1396 wrote to memory of 3244 1396 cmd.exe PING.EXE PID 1396 wrote to memory of 3244 1396 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0aabb8923e97ce4256eff1305abb979be36923f83f94765ee28584035e2629cb.exe"C:\Users\Admin\AppData\Local\Temp\0aabb8923e97ce4256eff1305abb979be36923f83f94765ee28584035e2629cb.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3036 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1368 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0aabb8923e97ce4256eff1305abb979be36923f83f94765ee28584035e2629cb.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1396 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3244
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:3368
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C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exeC:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:4040
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3140
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
7368eb46bf527e86451aba7cc1c40f04
SHA1c92a06e220ad868c26b9efe08d9407ba334abd59
SHA25640bb7507d87d18bd49ef8d3c38d4ad85b9e403cb8fcce70a2b056121ce0189a8
SHA5124429039fb042dfcb41975dcb77717c037e69f3f908ea05b626fc4527bf107aa09c705a59306e304b93850a3f06f1651d0429b6675fb011afdec42193a071ddce
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
7368eb46bf527e86451aba7cc1c40f04
SHA1c92a06e220ad868c26b9efe08d9407ba334abd59
SHA25640bb7507d87d18bd49ef8d3c38d4ad85b9e403cb8fcce70a2b056121ce0189a8
SHA5124429039fb042dfcb41975dcb77717c037e69f3f908ea05b626fc4527bf107aa09c705a59306e304b93850a3f06f1651d0429b6675fb011afdec42193a071ddce