Analysis
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max time kernel
165s -
max time network
168s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 09:54
Static task
static1
Behavioral task
behavioral1
Sample
08a291482bb256e6ecce5a8ecbb2a91d6e3f5c66486b7ef288ea85f9f9958d80.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
08a291482bb256e6ecce5a8ecbb2a91d6e3f5c66486b7ef288ea85f9f9958d80.exe
Resource
win10v2004-en-20220112
General
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Target
08a291482bb256e6ecce5a8ecbb2a91d6e3f5c66486b7ef288ea85f9f9958d80.exe
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Size
216KB
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MD5
f2c78d4bc66c26308c5cc20ad89cad23
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SHA1
01bba18a315ebf0b539e779c585b8a5982dd6be9
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SHA256
08a291482bb256e6ecce5a8ecbb2a91d6e3f5c66486b7ef288ea85f9f9958d80
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SHA512
e62416b1451c3b75a7fca6197accd44fc55c2839fdeec7a420301974b2cc99e91c1dbf05704067a2eae78cb2c9e8385f5f7647471e3b5a3410a0d930956ccac8
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/4040-132-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 3868 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
08a291482bb256e6ecce5a8ecbb2a91d6e3f5c66486b7ef288ea85f9f9958d80.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 08a291482bb256e6ecce5a8ecbb2a91d6e3f5c66486b7ef288ea85f9f9958d80.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
08a291482bb256e6ecce5a8ecbb2a91d6e3f5c66486b7ef288ea85f9f9958d80.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 08a291482bb256e6ecce5a8ecbb2a91d6e3f5c66486b7ef288ea85f9f9958d80.exe -
Drops file in Windows directory 3 IoCs
Processes:
TiWorker.exesvchost.exedescription 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.
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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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz MusNotifyIcon.exe Key opened \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 MusNotifyIcon.exe -
Modifies data under HKEY_USERS 54 IoCs
Processes:
svchost.exedescription 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\DownlinkBps = "0" 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\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\SwarmCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.734421" 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\Usage\CPUpct = "5.263631" 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\DownloadMonthlyRateBkBps = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings 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\DownloadMonthlyRateBkBps = "1157726" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4076" 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\NormalDownloadCount = "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\MemoryUsageKB = "4200" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4304" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "90228624" 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\DownloadMonthlyRateFrCnt = "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\UploadCount = "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\DownloadMonthlyRateBkCnt = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.140298" 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\Config\DownloadMode_BackCompat = "1" 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\LANConnectionCount = "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\BkDownloadRatePct = "45" 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\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\DownloadMonthlyGroupBytes = "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\DownloadMonthlyCacheHostBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "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\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\Usage\DownloadMonthlyLinkLocalBytes = "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 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\UploadRatePct = "100" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893103618806921" 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\DownlinkUsageBps = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
08a291482bb256e6ecce5a8ecbb2a91d6e3f5c66486b7ef288ea85f9f9958d80.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 4040 08a291482bb256e6ecce5a8ecbb2a91d6e3f5c66486b7ef288ea85f9f9958d80.exe Token: SeSecurityPrivilege 3708 TiWorker.exe Token: SeRestorePrivilege 3708 TiWorker.exe Token: SeBackupPrivilege 3708 TiWorker.exe Token: SeBackupPrivilege 3708 TiWorker.exe Token: SeRestorePrivilege 3708 TiWorker.exe Token: SeSecurityPrivilege 3708 TiWorker.exe Token: SeBackupPrivilege 3708 TiWorker.exe Token: SeRestorePrivilege 3708 TiWorker.exe Token: SeSecurityPrivilege 3708 TiWorker.exe Token: SeBackupPrivilege 3708 TiWorker.exe Token: SeRestorePrivilege 3708 TiWorker.exe Token: SeSecurityPrivilege 3708 TiWorker.exe Token: SeBackupPrivilege 3708 TiWorker.exe Token: SeRestorePrivilege 3708 TiWorker.exe Token: SeSecurityPrivilege 3708 TiWorker.exe Token: SeBackupPrivilege 3708 TiWorker.exe Token: SeRestorePrivilege 3708 TiWorker.exe Token: SeSecurityPrivilege 3708 TiWorker.exe Token: SeBackupPrivilege 3708 TiWorker.exe Token: SeRestorePrivilege 3708 TiWorker.exe Token: SeSecurityPrivilege 3708 TiWorker.exe Token: SeBackupPrivilege 3708 TiWorker.exe Token: SeRestorePrivilege 3708 TiWorker.exe Token: SeSecurityPrivilege 3708 TiWorker.exe Token: SeBackupPrivilege 3708 TiWorker.exe Token: SeRestorePrivilege 3708 TiWorker.exe Token: SeSecurityPrivilege 3708 TiWorker.exe Token: SeBackupPrivilege 3708 TiWorker.exe Token: SeRestorePrivilege 3708 TiWorker.exe Token: SeSecurityPrivilege 3708 TiWorker.exe Token: SeBackupPrivilege 3708 TiWorker.exe Token: SeRestorePrivilege 3708 TiWorker.exe Token: SeSecurityPrivilege 3708 TiWorker.exe Token: SeBackupPrivilege 3708 TiWorker.exe Token: SeRestorePrivilege 3708 TiWorker.exe Token: SeSecurityPrivilege 3708 TiWorker.exe Token: SeBackupPrivilege 3708 TiWorker.exe Token: SeRestorePrivilege 3708 TiWorker.exe Token: SeSecurityPrivilege 3708 TiWorker.exe Token: SeBackupPrivilege 3708 TiWorker.exe Token: SeRestorePrivilege 3708 TiWorker.exe Token: SeSecurityPrivilege 3708 TiWorker.exe Token: SeBackupPrivilege 3708 TiWorker.exe Token: SeRestorePrivilege 3708 TiWorker.exe Token: SeSecurityPrivilege 3708 TiWorker.exe Token: SeBackupPrivilege 3708 TiWorker.exe Token: SeRestorePrivilege 3708 TiWorker.exe Token: SeSecurityPrivilege 3708 TiWorker.exe Token: SeBackupPrivilege 3708 TiWorker.exe Token: SeRestorePrivilege 3708 TiWorker.exe Token: SeSecurityPrivilege 3708 TiWorker.exe Token: SeBackupPrivilege 3708 TiWorker.exe Token: SeRestorePrivilege 3708 TiWorker.exe Token: SeSecurityPrivilege 3708 TiWorker.exe Token: SeBackupPrivilege 3708 TiWorker.exe Token: SeRestorePrivilege 3708 TiWorker.exe Token: SeSecurityPrivilege 3708 TiWorker.exe Token: SeBackupPrivilege 3708 TiWorker.exe Token: SeRestorePrivilege 3708 TiWorker.exe Token: SeSecurityPrivilege 3708 TiWorker.exe Token: SeBackupPrivilege 3708 TiWorker.exe Token: SeRestorePrivilege 3708 TiWorker.exe Token: SeSecurityPrivilege 3708 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
08a291482bb256e6ecce5a8ecbb2a91d6e3f5c66486b7ef288ea85f9f9958d80.execmd.exedescription pid process target process PID 4040 wrote to memory of 3868 4040 08a291482bb256e6ecce5a8ecbb2a91d6e3f5c66486b7ef288ea85f9f9958d80.exe MediaCenter.exe PID 4040 wrote to memory of 3868 4040 08a291482bb256e6ecce5a8ecbb2a91d6e3f5c66486b7ef288ea85f9f9958d80.exe MediaCenter.exe PID 4040 wrote to memory of 3868 4040 08a291482bb256e6ecce5a8ecbb2a91d6e3f5c66486b7ef288ea85f9f9958d80.exe MediaCenter.exe PID 4040 wrote to memory of 3948 4040 08a291482bb256e6ecce5a8ecbb2a91d6e3f5c66486b7ef288ea85f9f9958d80.exe cmd.exe PID 4040 wrote to memory of 3948 4040 08a291482bb256e6ecce5a8ecbb2a91d6e3f5c66486b7ef288ea85f9f9958d80.exe cmd.exe PID 4040 wrote to memory of 3948 4040 08a291482bb256e6ecce5a8ecbb2a91d6e3f5c66486b7ef288ea85f9f9958d80.exe cmd.exe PID 3948 wrote to memory of 2152 3948 cmd.exe PING.EXE PID 3948 wrote to memory of 2152 3948 cmd.exe PING.EXE PID 3948 wrote to memory of 2152 3948 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\08a291482bb256e6ecce5a8ecbb2a91d6e3f5c66486b7ef288ea85f9f9958d80.exe"C:\Users\Admin\AppData\Local\Temp\08a291482bb256e6ecce5a8ecbb2a91d6e3f5c66486b7ef288ea85f9f9958d80.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4040 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3868 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\08a291482bb256e6ecce5a8ecbb2a91d6e3f5c66486b7ef288ea85f9f9958d80.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3948 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2152
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3736
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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:1992
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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:3708
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
7c555548839884a3e8e98f13561b737d
SHA11bee70dd838e0b1b27b5bb047e8b2910106a1588
SHA256489ac41855cdb53a0e6166c73b6086d18eac31f45c84068d9b354811a19e6f72
SHA5120b3bcdc26497a3975a45e63ee8a0a16322371cc7c7e3d7aae839f0d34fe71d0384c58bdfcd29ece2927b7281d60babbdcf992b85adacf96a159ff83de9369b76
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
7c555548839884a3e8e98f13561b737d
SHA11bee70dd838e0b1b27b5bb047e8b2910106a1588
SHA256489ac41855cdb53a0e6166c73b6086d18eac31f45c84068d9b354811a19e6f72
SHA5120b3bcdc26497a3975a45e63ee8a0a16322371cc7c7e3d7aae839f0d34fe71d0384c58bdfcd29ece2927b7281d60babbdcf992b85adacf96a159ff83de9369b76
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memory/4040-132-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB