sakula | 0be2c58c1bf36fb93ff3dfb601779bac23597373f4a4b18a2a79554b30a88a94

General

Target

0be2c58c1bf36fb93ff3dfb601779bac23597373f4a4b18a2a79554b30a88a94.exe
Size

216KB
MD5

a847c1156f93ec2da25b7f7156a67545
SHA1

fca9c992d90f89b4591be8301a9c039fb34c9723
SHA256

0be2c58c1bf36fb93ff3dfb601779bac23597373f4a4b18a2a79554b30a88a94
SHA512

6de3d529577cc8c2f28f38549a8ae0ade0d9a9898a8a1bb783dbed460d942567760f7449ce8fdfb7487d5d2a5d3efe78b1c2a4dbb29f26362b992f9c316941db

Score

10^/10

sakula persistence rat trojan

Malware Config

Signatures

Sakula
Sakula is a remote access trojan with various capabilities.
trojan rat sakula

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/3936-132-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

1640 MediaCenter.exe

pid	process
1640	MediaCenter.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

0be2c58c1bf36fb93ff3dfb601779bac23597373f4a4b18a2a79554b30a88a94.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0be2c58c1bf36fb93ff3dfb601779bac23597373f4a4b18a2a79554b30a88a94.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0be2c58c1bf36fb93ff3dfb601779bac23597373f4a4b18a2a79554b30a88a94.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe"	0be2c58c1bf36fb93ff3dfb601779bac23597373f4a4b18a2a79554b30a88a94.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\WinSxS\pending.xml	TiWorker.exe
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

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

MusNotifyIcon.exe

description	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 50 IoCs

Processes:

svchost.exe

description	ioc	process
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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "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\CDNConnectionCount = "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\PriorityDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4188"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrBps = "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\UploadMonthlyInternetBytes = "0"	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\LANConnectionCount = "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\FrDownloadRatePct = "90"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "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\InternetConnectionCount = "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\DownloadMonthlyCdnBytes = "0"	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\DownloadMonthlyGroupBytes = "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\Config\KVFileExpirationTime = "132893032459368617"	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
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\DownloadMonthlyRateBkBps = "0"	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\BkDownloadRatePct = "45"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.276243"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4196"	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\PriorityDownloadPendingCount = "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\Config\DODownloadMode = "1"	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\DownloadMonthlyInternetBytes = "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\DownloadMonthlyRateBkCnt = "0"	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\PeerInfoCount = "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\MonthlyUploadRestriction = "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\MemoryUsageKB = "4084"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.241544"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2044 PING.EXE

pid	process
2044	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

0be2c58c1bf36fb93ff3dfb601779bac23597373f4a4b18a2a79554b30a88a94.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3936	0be2c58c1bf36fb93ff3dfb601779bac23597373f4a4b18a2a79554b30a88a94.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0be2c58c1bf36fb93ff3dfb601779bac23597373f4a4b18a2a79554b30a88a94.execmd.exe

description	pid	process	target process
PID 3936 wrote to memory of 1640	3936	0be2c58c1bf36fb93ff3dfb601779bac23597373f4a4b18a2a79554b30a88a94.exe	MediaCenter.exe
PID 3936 wrote to memory of 1640	3936	0be2c58c1bf36fb93ff3dfb601779bac23597373f4a4b18a2a79554b30a88a94.exe	MediaCenter.exe
PID 3936 wrote to memory of 1640	3936	0be2c58c1bf36fb93ff3dfb601779bac23597373f4a4b18a2a79554b30a88a94.exe	MediaCenter.exe
PID 3936 wrote to memory of 2656	3936	0be2c58c1bf36fb93ff3dfb601779bac23597373f4a4b18a2a79554b30a88a94.exe	cmd.exe
PID 3936 wrote to memory of 2656	3936	0be2c58c1bf36fb93ff3dfb601779bac23597373f4a4b18a2a79554b30a88a94.exe	cmd.exe
PID 3936 wrote to memory of 2656	3936	0be2c58c1bf36fb93ff3dfb601779bac23597373f4a4b18a2a79554b30a88a94.exe	cmd.exe
PID 2656 wrote to memory of 2044	2656	cmd.exe	PING.EXE
PID 2656 wrote to memory of 2044	2656	cmd.exe	PING.EXE
PID 2656 wrote to memory of 2044	2656	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0be2c58c1bf36fb93ff3dfb601779bac23597373f4a4b18a2a79554b30a88a94.exe
"C:\Users\Admin\AppData\Local\Temp\0be2c58c1bf36fb93ff3dfb601779bac23597373f4a4b18a2a79554b30a88a94.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3936

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1640

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0be2c58c1bf36fb93ff3dfb601779bac23597373f4a4b18a2a79554b30a88a94.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2656

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2044

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:376

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:3368

C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:3016

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

T1012

Remote System Discovery

1

T1018

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

MD5
390e7515b5cf065bf984536024579e58

SHA1
b8f6b2d4da391a1141cbe2a18a3771f1599e3f33

SHA256
8bb0b25220cf147fcaf8a1b39c8a6d82546468864371477aa46dfa62f310221a

SHA512
8dd0451a09913a7c1951d83e831b4757dabe782b6de569b56fb4623c8887eb6b3031cdd5204ac3aa7032f5cf967cc18ac63b7fc58f4213ffc69e7b5891d72ed1

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

MD5
390e7515b5cf065bf984536024579e58

SHA1
b8f6b2d4da391a1141cbe2a18a3771f1599e3f33

SHA256
8bb0b25220cf147fcaf8a1b39c8a6d82546468864371477aa46dfa62f310221a

SHA512
8dd0451a09913a7c1951d83e831b4757dabe782b6de569b56fb4623c8887eb6b3031cdd5204ac3aa7032f5cf967cc18ac63b7fc58f4213ffc69e7b5891d72ed1

Download Submit
memory/3936-132-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads