Analysis
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max time kernel
146s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 09:10
Static task
static1
Behavioral task
behavioral1
Sample
0acb23d4d6043bcf2c412de3c8db536113996b474d6c7de1ae6b28877df80573.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0acb23d4d6043bcf2c412de3c8db536113996b474d6c7de1ae6b28877df80573.exe
Resource
win10v2004-en-20220112
General
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Target
0acb23d4d6043bcf2c412de3c8db536113996b474d6c7de1ae6b28877df80573.exe
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Size
216KB
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MD5
29031c4d5cfc067519557bc051ad6fda
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SHA1
9b13303f970729902c393733d889720cff4de037
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SHA256
0acb23d4d6043bcf2c412de3c8db536113996b474d6c7de1ae6b28877df80573
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SHA512
ddc59f8cec517b7e0e5d9be4f9a82ace0fda6e70825f1db0d3690dfa1264f22f2d7e427b7d745ddc0c58425351272d3545d78f7dd485e5278d2d2461f9079360
Malware Config
Signatures
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Sakula Payload 4 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/840-132-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/2136-133-0x0000000000400000-0x0000000000420000-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 2136 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0acb23d4d6043bcf2c412de3c8db536113996b474d6c7de1ae6b28877df80573.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0acb23d4d6043bcf2c412de3c8db536113996b474d6c7de1ae6b28877df80573.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0acb23d4d6043bcf2c412de3c8db536113996b474d6c7de1ae6b28877df80573.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0acb23d4d6043bcf2c412de3c8db536113996b474d6c7de1ae6b28877df80573.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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Modifies data under HKEY_USERS 55 IoCs
Processes:
svchost.exedescription ioc process 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\NormalDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.143530" 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\UploadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4172" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4380" 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\Config\Geo_EndpointFullUri = "https://geo.prod.do.dsp.mp.microsoft.com/geo" 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\UplinkBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.332891" 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\PriorityDownloadPendingCount = "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\GroupConnectionCount = "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\DownloadMonthlyRateBkCnt = "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\BkDownloadRatePct = "45" 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\DownloadMonthlyInternetBytes = "0" 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\NormalDownloadPendingCount = "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\UploadMonthlyInternetBytes = "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\DownlinkBps = "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\UplinkUsageBps = "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\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\Config\KVFileExpirationTime = "132893070548441888" 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\DownlinkUsageBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "12.857204" 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\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\DownloadMonthlyGroupBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3984" 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\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 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\DownloadMonthlyRateFrCnt = "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\DownloadMonthlyLinkLocalBytes = "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\LANConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exedescription pid process Token: SeSecurityPrivilege 2904 TiWorker.exe Token: SeRestorePrivilege 2904 TiWorker.exe Token: SeBackupPrivilege 2904 TiWorker.exe Token: SeBackupPrivilege 2904 TiWorker.exe Token: SeRestorePrivilege 2904 TiWorker.exe Token: SeSecurityPrivilege 2904 TiWorker.exe Token: SeBackupPrivilege 2904 TiWorker.exe Token: SeRestorePrivilege 2904 TiWorker.exe Token: SeSecurityPrivilege 2904 TiWorker.exe Token: SeBackupPrivilege 2904 TiWorker.exe Token: SeRestorePrivilege 2904 TiWorker.exe Token: SeSecurityPrivilege 2904 TiWorker.exe Token: SeBackupPrivilege 2904 TiWorker.exe Token: SeRestorePrivilege 2904 TiWorker.exe Token: SeSecurityPrivilege 2904 TiWorker.exe Token: SeBackupPrivilege 2904 TiWorker.exe Token: SeRestorePrivilege 2904 TiWorker.exe Token: SeSecurityPrivilege 2904 TiWorker.exe Token: SeBackupPrivilege 2904 TiWorker.exe Token: SeRestorePrivilege 2904 TiWorker.exe Token: SeSecurityPrivilege 2904 TiWorker.exe Token: SeBackupPrivilege 2904 TiWorker.exe Token: SeRestorePrivilege 2904 TiWorker.exe Token: SeSecurityPrivilege 2904 TiWorker.exe Token: SeBackupPrivilege 2904 TiWorker.exe Token: SeRestorePrivilege 2904 TiWorker.exe Token: SeSecurityPrivilege 2904 TiWorker.exe Token: SeBackupPrivilege 2904 TiWorker.exe Token: SeRestorePrivilege 2904 TiWorker.exe Token: SeSecurityPrivilege 2904 TiWorker.exe Token: SeBackupPrivilege 2904 TiWorker.exe Token: SeRestorePrivilege 2904 TiWorker.exe Token: SeSecurityPrivilege 2904 TiWorker.exe Token: SeBackupPrivilege 2904 TiWorker.exe Token: SeRestorePrivilege 2904 TiWorker.exe Token: SeSecurityPrivilege 2904 TiWorker.exe Token: SeBackupPrivilege 2904 TiWorker.exe Token: SeRestorePrivilege 2904 TiWorker.exe Token: SeSecurityPrivilege 2904 TiWorker.exe Token: SeBackupPrivilege 2904 TiWorker.exe Token: SeRestorePrivilege 2904 TiWorker.exe Token: SeSecurityPrivilege 2904 TiWorker.exe Token: SeBackupPrivilege 2904 TiWorker.exe Token: SeRestorePrivilege 2904 TiWorker.exe Token: SeSecurityPrivilege 2904 TiWorker.exe Token: SeBackupPrivilege 2904 TiWorker.exe Token: SeRestorePrivilege 2904 TiWorker.exe Token: SeSecurityPrivilege 2904 TiWorker.exe Token: SeBackupPrivilege 2904 TiWorker.exe Token: SeRestorePrivilege 2904 TiWorker.exe Token: SeSecurityPrivilege 2904 TiWorker.exe Token: SeBackupPrivilege 2904 TiWorker.exe Token: SeRestorePrivilege 2904 TiWorker.exe Token: SeSecurityPrivilege 2904 TiWorker.exe Token: SeBackupPrivilege 2904 TiWorker.exe Token: SeRestorePrivilege 2904 TiWorker.exe Token: SeSecurityPrivilege 2904 TiWorker.exe Token: SeBackupPrivilege 2904 TiWorker.exe Token: SeRestorePrivilege 2904 TiWorker.exe Token: SeSecurityPrivilege 2904 TiWorker.exe Token: SeBackupPrivilege 2904 TiWorker.exe Token: SeRestorePrivilege 2904 TiWorker.exe Token: SeSecurityPrivilege 2904 TiWorker.exe Token: SeBackupPrivilege 2904 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0acb23d4d6043bcf2c412de3c8db536113996b474d6c7de1ae6b28877df80573.execmd.exedescription pid process target process PID 840 wrote to memory of 2136 840 0acb23d4d6043bcf2c412de3c8db536113996b474d6c7de1ae6b28877df80573.exe MediaCenter.exe PID 840 wrote to memory of 2136 840 0acb23d4d6043bcf2c412de3c8db536113996b474d6c7de1ae6b28877df80573.exe MediaCenter.exe PID 840 wrote to memory of 2136 840 0acb23d4d6043bcf2c412de3c8db536113996b474d6c7de1ae6b28877df80573.exe MediaCenter.exe PID 840 wrote to memory of 2740 840 0acb23d4d6043bcf2c412de3c8db536113996b474d6c7de1ae6b28877df80573.exe cmd.exe PID 840 wrote to memory of 2740 840 0acb23d4d6043bcf2c412de3c8db536113996b474d6c7de1ae6b28877df80573.exe cmd.exe PID 840 wrote to memory of 2740 840 0acb23d4d6043bcf2c412de3c8db536113996b474d6c7de1ae6b28877df80573.exe cmd.exe PID 2740 wrote to memory of 2560 2740 cmd.exe PING.EXE PID 2740 wrote to memory of 2560 2740 cmd.exe PING.EXE PID 2740 wrote to memory of 2560 2740 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0acb23d4d6043bcf2c412de3c8db536113996b474d6c7de1ae6b28877df80573.exe"C:\Users\Admin\AppData\Local\Temp\0acb23d4d6043bcf2c412de3c8db536113996b474d6c7de1ae6b28877df80573.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:840 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2136 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0acb23d4d6043bcf2c412de3c8db536113996b474d6c7de1ae6b28877df80573.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2740 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2560
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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:2112
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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:2904
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
adc30a0f63af28b902d2af40e7761fbe
SHA19633d177b3a248a0c05e846abb3fed467d8faa9a
SHA25659171f870d062ab30ca13e4ea74660f77a7821b287cba64c22ea8067442fb06a
SHA512270dbbb4934fc7fac837adbe8193b2bace196fdd9890038aab49fef0470b024a4caf98e78aac066c3ed3d3109e1ab4486c5f0f5a846f6e33190eaf63a56a3627
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
adc30a0f63af28b902d2af40e7761fbe
SHA19633d177b3a248a0c05e846abb3fed467d8faa9a
SHA25659171f870d062ab30ca13e4ea74660f77a7821b287cba64c22ea8067442fb06a
SHA512270dbbb4934fc7fac837adbe8193b2bace196fdd9890038aab49fef0470b024a4caf98e78aac066c3ed3d3109e1ab4486c5f0f5a846f6e33190eaf63a56a3627
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memory/840-132-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/2136-133-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB