Analysis
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max time kernel
161s -
max time network
179s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 06:20
Static task
static1
Behavioral task
behavioral1
Sample
104694573c63a19533aced1cd8e5c36f5cf847c4ebb3d63e4200115a90970b23.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
104694573c63a19533aced1cd8e5c36f5cf847c4ebb3d63e4200115a90970b23.exe
Resource
win10v2004-en-20220112
General
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Target
104694573c63a19533aced1cd8e5c36f5cf847c4ebb3d63e4200115a90970b23.exe
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Size
216KB
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MD5
0135c0a649b962219ea07348e21994a3
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SHA1
b557fa3a5aace5d9a624165a6b14ab3e1128946b
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SHA256
104694573c63a19533aced1cd8e5c36f5cf847c4ebb3d63e4200115a90970b23
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SHA512
4d4d258cc16c9f4967930d16a45291bfdfbe08b9a7794722cede67b0acc3aa5ed46ca3d92bad0c5d244087c0ef633d52df451d54b1ced5c1149e249eec1a51bd
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/1240-132-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 3968 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
104694573c63a19533aced1cd8e5c36f5cf847c4ebb3d63e4200115a90970b23.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 104694573c63a19533aced1cd8e5c36f5cf847c4ebb3d63e4200115a90970b23.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
104694573c63a19533aced1cd8e5c36f5cf847c4ebb3d63e4200115a90970b23.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 104694573c63a19533aced1cd8e5c36f5cf847c4ebb3d63e4200115a90970b23.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 49 IoCs
Processes:
svchost.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4228" 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\DownloadMonthlyCdnBytes = "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\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\UploadCount = "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\PeerInfoCount = "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\PriorityDownloadPendingCount = "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\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\CacheSizeBytes = "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\SwarmCount = "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\DownloadMonthlyRateBkBps = "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\DownlinkUsageBps = "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\NormalDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "8.696700" 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\DownloadMonthlyRateBkCnt = "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\UplinkUsageBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.529712" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4128" 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\Config\KVFileExpirationTime = "132892969326832739" 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\NormalDownloadCount = "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\GroupConnectionCount = "0" 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 = "16.667164" 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\Usage 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\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\LANConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe104694573c63a19533aced1cd8e5c36f5cf847c4ebb3d63e4200115a90970b23.exedescription pid process Token: SeSecurityPrivilege 2792 TiWorker.exe Token: SeRestorePrivilege 2792 TiWorker.exe Token: SeBackupPrivilege 2792 TiWorker.exe Token: SeIncBasePriorityPrivilege 1240 104694573c63a19533aced1cd8e5c36f5cf847c4ebb3d63e4200115a90970b23.exe Token: SeBackupPrivilege 2792 TiWorker.exe Token: SeRestorePrivilege 2792 TiWorker.exe Token: SeSecurityPrivilege 2792 TiWorker.exe Token: SeBackupPrivilege 2792 TiWorker.exe Token: SeRestorePrivilege 2792 TiWorker.exe Token: SeSecurityPrivilege 2792 TiWorker.exe Token: SeBackupPrivilege 2792 TiWorker.exe Token: SeRestorePrivilege 2792 TiWorker.exe Token: SeSecurityPrivilege 2792 TiWorker.exe Token: SeBackupPrivilege 2792 TiWorker.exe Token: SeRestorePrivilege 2792 TiWorker.exe Token: SeSecurityPrivilege 2792 TiWorker.exe Token: SeBackupPrivilege 2792 TiWorker.exe Token: SeRestorePrivilege 2792 TiWorker.exe Token: SeSecurityPrivilege 2792 TiWorker.exe Token: SeBackupPrivilege 2792 TiWorker.exe Token: SeRestorePrivilege 2792 TiWorker.exe Token: SeSecurityPrivilege 2792 TiWorker.exe Token: SeBackupPrivilege 2792 TiWorker.exe Token: SeRestorePrivilege 2792 TiWorker.exe Token: SeSecurityPrivilege 2792 TiWorker.exe Token: SeBackupPrivilege 2792 TiWorker.exe Token: SeRestorePrivilege 2792 TiWorker.exe Token: SeSecurityPrivilege 2792 TiWorker.exe Token: SeBackupPrivilege 2792 TiWorker.exe Token: SeRestorePrivilege 2792 TiWorker.exe Token: SeSecurityPrivilege 2792 TiWorker.exe Token: SeBackupPrivilege 2792 TiWorker.exe Token: SeRestorePrivilege 2792 TiWorker.exe Token: SeSecurityPrivilege 2792 TiWorker.exe Token: SeBackupPrivilege 2792 TiWorker.exe Token: SeRestorePrivilege 2792 TiWorker.exe Token: SeSecurityPrivilege 2792 TiWorker.exe Token: SeBackupPrivilege 2792 TiWorker.exe Token: SeRestorePrivilege 2792 TiWorker.exe Token: SeSecurityPrivilege 2792 TiWorker.exe Token: SeBackupPrivilege 2792 TiWorker.exe Token: SeRestorePrivilege 2792 TiWorker.exe Token: SeSecurityPrivilege 2792 TiWorker.exe Token: SeBackupPrivilege 2792 TiWorker.exe Token: SeRestorePrivilege 2792 TiWorker.exe Token: SeSecurityPrivilege 2792 TiWorker.exe Token: SeBackupPrivilege 2792 TiWorker.exe Token: SeRestorePrivilege 2792 TiWorker.exe Token: SeSecurityPrivilege 2792 TiWorker.exe Token: SeBackupPrivilege 2792 TiWorker.exe Token: SeRestorePrivilege 2792 TiWorker.exe Token: SeSecurityPrivilege 2792 TiWorker.exe Token: SeBackupPrivilege 2792 TiWorker.exe Token: SeRestorePrivilege 2792 TiWorker.exe Token: SeSecurityPrivilege 2792 TiWorker.exe Token: SeBackupPrivilege 2792 TiWorker.exe Token: SeRestorePrivilege 2792 TiWorker.exe Token: SeSecurityPrivilege 2792 TiWorker.exe Token: SeBackupPrivilege 2792 TiWorker.exe Token: SeRestorePrivilege 2792 TiWorker.exe Token: SeSecurityPrivilege 2792 TiWorker.exe Token: SeBackupPrivilege 2792 TiWorker.exe Token: SeRestorePrivilege 2792 TiWorker.exe Token: SeSecurityPrivilege 2792 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
104694573c63a19533aced1cd8e5c36f5cf847c4ebb3d63e4200115a90970b23.execmd.exedescription pid process target process PID 1240 wrote to memory of 3968 1240 104694573c63a19533aced1cd8e5c36f5cf847c4ebb3d63e4200115a90970b23.exe MediaCenter.exe PID 1240 wrote to memory of 3968 1240 104694573c63a19533aced1cd8e5c36f5cf847c4ebb3d63e4200115a90970b23.exe MediaCenter.exe PID 1240 wrote to memory of 3968 1240 104694573c63a19533aced1cd8e5c36f5cf847c4ebb3d63e4200115a90970b23.exe MediaCenter.exe PID 1240 wrote to memory of 2964 1240 104694573c63a19533aced1cd8e5c36f5cf847c4ebb3d63e4200115a90970b23.exe cmd.exe PID 1240 wrote to memory of 2964 1240 104694573c63a19533aced1cd8e5c36f5cf847c4ebb3d63e4200115a90970b23.exe cmd.exe PID 1240 wrote to memory of 2964 1240 104694573c63a19533aced1cd8e5c36f5cf847c4ebb3d63e4200115a90970b23.exe cmd.exe PID 2964 wrote to memory of 1152 2964 cmd.exe PING.EXE PID 2964 wrote to memory of 1152 2964 cmd.exe PING.EXE PID 2964 wrote to memory of 1152 2964 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\104694573c63a19533aced1cd8e5c36f5cf847c4ebb3d63e4200115a90970b23.exe"C:\Users\Admin\AppData\Local\Temp\104694573c63a19533aced1cd8e5c36f5cf847c4ebb3d63e4200115a90970b23.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1240 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3968 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\104694573c63a19533aced1cd8e5c36f5cf847c4ebb3d63e4200115a90970b23.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2964 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1152
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:644
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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:3908
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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:2792
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
2a6e0b7c6cbf97056e6f05872936632d
SHA141c96411f62a225858a9c1a841f9e04647e38edf
SHA256e2f41929f08c30cee9b657abbfc9b7685625a32b5f482224aea111275e154f28
SHA5125f8c9b1283cb7ba23502bdaa22704cad3ef6738cdf02a7dae5a1aec174750d86594577bf89c6894f8a28767da3c0f74563832183b861bc1feff9373fe65362e0
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MD5
2a6e0b7c6cbf97056e6f05872936632d
SHA141c96411f62a225858a9c1a841f9e04647e38edf
SHA256e2f41929f08c30cee9b657abbfc9b7685625a32b5f482224aea111275e154f28
SHA5125f8c9b1283cb7ba23502bdaa22704cad3ef6738cdf02a7dae5a1aec174750d86594577bf89c6894f8a28767da3c0f74563832183b861bc1feff9373fe65362e0