Analysis
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max time kernel
192s -
max time network
207s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 04:45
Static task
static1
Behavioral task
behavioral1
Sample
14986310ec92e935b7a45a6bb2f6f1fe43f8cd9f0bd49575ab20ea7f57b67c53.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
14986310ec92e935b7a45a6bb2f6f1fe43f8cd9f0bd49575ab20ea7f57b67c53.exe
Resource
win10v2004-en-20220112
General
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Target
14986310ec92e935b7a45a6bb2f6f1fe43f8cd9f0bd49575ab20ea7f57b67c53.exe
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Size
216KB
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MD5
b07590503b3d184a88d6b22013e39d59
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SHA1
23f3876d91f7748764cc877cb740bf8381f2c51d
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SHA256
14986310ec92e935b7a45a6bb2f6f1fe43f8cd9f0bd49575ab20ea7f57b67c53
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SHA512
38c73f6ba4280e2f48a4c08effcba4d5207ae859374b3c8d052d9327eeeb8542e32c19ebff651143a576bbfce4465929d484fe6f91fe590b93414d663a36dc4a
Malware Config
Signatures
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Sakula Payload 3 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 behavioral2/memory/820-132-0x0000000000400000-0x0000000000420000-memory.dmp 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 3452 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
14986310ec92e935b7a45a6bb2f6f1fe43f8cd9f0bd49575ab20ea7f57b67c53.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 14986310ec92e935b7a45a6bb2f6f1fe43f8cd9f0bd49575ab20ea7f57b67c53.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
14986310ec92e935b7a45a6bb2f6f1fe43f8cd9f0bd49575ab20ea7f57b67c53.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 14986310ec92e935b7a45a6bb2f6f1fe43f8cd9f0bd49575ab20ea7f57b67c53.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 53 IoCs
Processes:
svchost.exedescription ioc process 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\DownloadMonthlyLinkLocalBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.225719" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "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\PeerInfoCount = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization 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\PriorityDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0" 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\MonthID = "1" 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\MemoryUsageKB = "4312" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892912645834866" 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\DownloadMonthlyRateBkBps = "1157726" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "12.500640" 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\LANConnectionCount = "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\Config\DownloadMode_BackCompat = "1" 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\DownlinkBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.070028" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "4" 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\DownloadMonthlyInternetBytes = "0" 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\UploadRatePct = "100" 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\UplinkBps = "0" 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\Config\DODownloadMode = "1" 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 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\DownloadMonthlyCacheHostBytes = "0" 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\DownloadMonthlyCdnBytes = "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\BkDownloadRatePct = "45" 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 (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4104" 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\DownloadMonthlyRateBkCnt = "0" 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\LinkLocalConnectionCount = "0" 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\Usage\DownloadMonthlyCdnBytes = "90228624" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
14986310ec92e935b7a45a6bb2f6f1fe43f8cd9f0bd49575ab20ea7f57b67c53.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 820 14986310ec92e935b7a45a6bb2f6f1fe43f8cd9f0bd49575ab20ea7f57b67c53.exe Token: SeSecurityPrivilege 392 TiWorker.exe Token: SeRestorePrivilege 392 TiWorker.exe Token: SeBackupPrivilege 392 TiWorker.exe Token: SeBackupPrivilege 392 TiWorker.exe Token: SeRestorePrivilege 392 TiWorker.exe Token: SeSecurityPrivilege 392 TiWorker.exe Token: SeBackupPrivilege 392 TiWorker.exe Token: SeRestorePrivilege 392 TiWorker.exe Token: SeSecurityPrivilege 392 TiWorker.exe Token: SeBackupPrivilege 392 TiWorker.exe Token: SeRestorePrivilege 392 TiWorker.exe Token: SeSecurityPrivilege 392 TiWorker.exe Token: SeBackupPrivilege 392 TiWorker.exe Token: SeRestorePrivilege 392 TiWorker.exe Token: SeSecurityPrivilege 392 TiWorker.exe Token: SeBackupPrivilege 392 TiWorker.exe Token: SeRestorePrivilege 392 TiWorker.exe Token: SeSecurityPrivilege 392 TiWorker.exe Token: SeBackupPrivilege 392 TiWorker.exe Token: SeRestorePrivilege 392 TiWorker.exe Token: SeSecurityPrivilege 392 TiWorker.exe Token: SeBackupPrivilege 392 TiWorker.exe Token: SeRestorePrivilege 392 TiWorker.exe Token: SeSecurityPrivilege 392 TiWorker.exe Token: SeBackupPrivilege 392 TiWorker.exe Token: SeRestorePrivilege 392 TiWorker.exe Token: SeSecurityPrivilege 392 TiWorker.exe Token: SeBackupPrivilege 392 TiWorker.exe Token: SeRestorePrivilege 392 TiWorker.exe Token: SeSecurityPrivilege 392 TiWorker.exe Token: SeBackupPrivilege 392 TiWorker.exe Token: SeRestorePrivilege 392 TiWorker.exe Token: SeSecurityPrivilege 392 TiWorker.exe Token: SeBackupPrivilege 392 TiWorker.exe Token: SeRestorePrivilege 392 TiWorker.exe Token: SeSecurityPrivilege 392 TiWorker.exe Token: SeBackupPrivilege 392 TiWorker.exe Token: SeRestorePrivilege 392 TiWorker.exe Token: SeSecurityPrivilege 392 TiWorker.exe Token: SeBackupPrivilege 392 TiWorker.exe Token: SeRestorePrivilege 392 TiWorker.exe Token: SeSecurityPrivilege 392 TiWorker.exe Token: SeBackupPrivilege 392 TiWorker.exe Token: SeRestorePrivilege 392 TiWorker.exe Token: SeSecurityPrivilege 392 TiWorker.exe Token: SeBackupPrivilege 392 TiWorker.exe Token: SeRestorePrivilege 392 TiWorker.exe Token: SeSecurityPrivilege 392 TiWorker.exe Token: SeBackupPrivilege 392 TiWorker.exe Token: SeRestorePrivilege 392 TiWorker.exe Token: SeSecurityPrivilege 392 TiWorker.exe Token: SeBackupPrivilege 392 TiWorker.exe Token: SeRestorePrivilege 392 TiWorker.exe Token: SeSecurityPrivilege 392 TiWorker.exe Token: SeBackupPrivilege 392 TiWorker.exe Token: SeRestorePrivilege 392 TiWorker.exe Token: SeSecurityPrivilege 392 TiWorker.exe Token: SeBackupPrivilege 392 TiWorker.exe Token: SeRestorePrivilege 392 TiWorker.exe Token: SeSecurityPrivilege 392 TiWorker.exe Token: SeBackupPrivilege 392 TiWorker.exe Token: SeRestorePrivilege 392 TiWorker.exe Token: SeSecurityPrivilege 392 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
14986310ec92e935b7a45a6bb2f6f1fe43f8cd9f0bd49575ab20ea7f57b67c53.execmd.exedescription pid process target process PID 820 wrote to memory of 3452 820 14986310ec92e935b7a45a6bb2f6f1fe43f8cd9f0bd49575ab20ea7f57b67c53.exe MediaCenter.exe PID 820 wrote to memory of 3452 820 14986310ec92e935b7a45a6bb2f6f1fe43f8cd9f0bd49575ab20ea7f57b67c53.exe MediaCenter.exe PID 820 wrote to memory of 3452 820 14986310ec92e935b7a45a6bb2f6f1fe43f8cd9f0bd49575ab20ea7f57b67c53.exe MediaCenter.exe PID 820 wrote to memory of 3588 820 14986310ec92e935b7a45a6bb2f6f1fe43f8cd9f0bd49575ab20ea7f57b67c53.exe cmd.exe PID 820 wrote to memory of 3588 820 14986310ec92e935b7a45a6bb2f6f1fe43f8cd9f0bd49575ab20ea7f57b67c53.exe cmd.exe PID 820 wrote to memory of 3588 820 14986310ec92e935b7a45a6bb2f6f1fe43f8cd9f0bd49575ab20ea7f57b67c53.exe cmd.exe PID 3588 wrote to memory of 832 3588 cmd.exe PING.EXE PID 3588 wrote to memory of 832 3588 cmd.exe PING.EXE PID 3588 wrote to memory of 832 3588 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\14986310ec92e935b7a45a6bb2f6f1fe43f8cd9f0bd49575ab20ea7f57b67c53.exe"C:\Users\Admin\AppData\Local\Temp\14986310ec92e935b7a45a6bb2f6f1fe43f8cd9f0bd49575ab20ea7f57b67c53.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:820 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3452 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\14986310ec92e935b7a45a6bb2f6f1fe43f8cd9f0bd49575ab20ea7f57b67c53.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3588 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:832
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3088
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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:4016
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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:392
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
c705873740ed76a49451df6b13141d9f
SHA1bc650e519c90946d0f398528632f4d9e920eaad7
SHA256b666f4c1667097839ba09996131d78d6023036b8e26483934e4a6c155a2c94b3
SHA512480fe6a03c839b7f3eb539363446807ff5744ac46a4ce89a469b25b51c154c69818efed33479c49e867b772131abae51e8154e3f84987ec456ca3f4ffce22704
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MD5
c705873740ed76a49451df6b13141d9f
SHA1bc650e519c90946d0f398528632f4d9e920eaad7
SHA256b666f4c1667097839ba09996131d78d6023036b8e26483934e4a6c155a2c94b3
SHA512480fe6a03c839b7f3eb539363446807ff5744ac46a4ce89a469b25b51c154c69818efed33479c49e867b772131abae51e8154e3f84987ec456ca3f4ffce22704