Analysis
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max time kernel
153s -
max time network
159s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 11:25
Static task
static1
Behavioral task
behavioral1
Sample
04706060174adf59e7a1f2afd19a750dc72c0d55300cdd0c01e79daaec7bec83.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
04706060174adf59e7a1f2afd19a750dc72c0d55300cdd0c01e79daaec7bec83.exe
Resource
win10v2004-en-20220112
General
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Target
04706060174adf59e7a1f2afd19a750dc72c0d55300cdd0c01e79daaec7bec83.exe
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Size
80KB
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MD5
4cce3ea5ef6be33d98354a35840d1717
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SHA1
197c19f487772b581d686742edf752d1e5c28dd6
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SHA256
04706060174adf59e7a1f2afd19a750dc72c0d55300cdd0c01e79daaec7bec83
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SHA512
e66e5928bd7ad9ee4cc331c2af4bfc0afd6a239e700612010701b7c17b55fc32e4c528e6c9e1c86f04a471d2884d644758a0e306e1afd024154342fc38641589
Malware Config
Signatures
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Sakula Payload 2 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 -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 724 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
04706060174adf59e7a1f2afd19a750dc72c0d55300cdd0c01e79daaec7bec83.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 04706060174adf59e7a1f2afd19a750dc72c0d55300cdd0c01e79daaec7bec83.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
04706060174adf59e7a1f2afd19a750dc72c0d55300cdd0c01e79daaec7bec83.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 04706060174adf59e7a1f2afd19a750dc72c0d55300cdd0c01e79daaec7bec83.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 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\FrDownloadRatePct = "90" 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 = "4192" 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\UplinkBps = "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\DownlinkUsageBps = "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\DownloadMonthlyRateBkBps = "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\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 (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.053149" 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\PriorityDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893164068042048" 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\InternetConnectionCount = "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\DownloadMonthlyRateBkBps = "1157726" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4416" 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\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\SwarmCount = "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\LANConnectionCount = "0" 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\NormalDownloadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "9.212045" 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\PeerInfoCount = "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\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\MonthlyUploadRestriction = "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\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\MonthID = "1" 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\UploadRatePct = "100" 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\DownloadMonthlyLinkLocalBytes = "0" 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\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\GroupConnectionCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "20.006684" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4260" 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\UploadMonthlyLanBytes = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
04706060174adf59e7a1f2afd19a750dc72c0d55300cdd0c01e79daaec7bec83.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 1016 04706060174adf59e7a1f2afd19a750dc72c0d55300cdd0c01e79daaec7bec83.exe Token: SeSecurityPrivilege 2384 TiWorker.exe Token: SeRestorePrivilege 2384 TiWorker.exe Token: SeBackupPrivilege 2384 TiWorker.exe Token: SeBackupPrivilege 2384 TiWorker.exe Token: SeRestorePrivilege 2384 TiWorker.exe Token: SeSecurityPrivilege 2384 TiWorker.exe Token: SeBackupPrivilege 2384 TiWorker.exe Token: SeRestorePrivilege 2384 TiWorker.exe Token: SeSecurityPrivilege 2384 TiWorker.exe Token: SeBackupPrivilege 2384 TiWorker.exe Token: SeRestorePrivilege 2384 TiWorker.exe Token: SeSecurityPrivilege 2384 TiWorker.exe Token: SeBackupPrivilege 2384 TiWorker.exe Token: SeRestorePrivilege 2384 TiWorker.exe Token: SeSecurityPrivilege 2384 TiWorker.exe Token: SeBackupPrivilege 2384 TiWorker.exe Token: SeRestorePrivilege 2384 TiWorker.exe Token: SeSecurityPrivilege 2384 TiWorker.exe Token: SeBackupPrivilege 2384 TiWorker.exe Token: SeRestorePrivilege 2384 TiWorker.exe Token: SeSecurityPrivilege 2384 TiWorker.exe Token: SeBackupPrivilege 2384 TiWorker.exe Token: SeRestorePrivilege 2384 TiWorker.exe Token: SeSecurityPrivilege 2384 TiWorker.exe Token: SeBackupPrivilege 2384 TiWorker.exe Token: SeRestorePrivilege 2384 TiWorker.exe Token: SeSecurityPrivilege 2384 TiWorker.exe Token: SeBackupPrivilege 2384 TiWorker.exe Token: SeRestorePrivilege 2384 TiWorker.exe Token: SeSecurityPrivilege 2384 TiWorker.exe Token: SeBackupPrivilege 2384 TiWorker.exe Token: SeRestorePrivilege 2384 TiWorker.exe Token: SeSecurityPrivilege 2384 TiWorker.exe Token: SeBackupPrivilege 2384 TiWorker.exe Token: SeRestorePrivilege 2384 TiWorker.exe Token: SeSecurityPrivilege 2384 TiWorker.exe Token: SeBackupPrivilege 2384 TiWorker.exe Token: SeRestorePrivilege 2384 TiWorker.exe Token: SeSecurityPrivilege 2384 TiWorker.exe Token: SeBackupPrivilege 2384 TiWorker.exe Token: SeRestorePrivilege 2384 TiWorker.exe Token: SeSecurityPrivilege 2384 TiWorker.exe Token: SeBackupPrivilege 2384 TiWorker.exe Token: SeRestorePrivilege 2384 TiWorker.exe Token: SeSecurityPrivilege 2384 TiWorker.exe Token: SeBackupPrivilege 2384 TiWorker.exe Token: SeRestorePrivilege 2384 TiWorker.exe Token: SeSecurityPrivilege 2384 TiWorker.exe Token: SeBackupPrivilege 2384 TiWorker.exe Token: SeRestorePrivilege 2384 TiWorker.exe Token: SeSecurityPrivilege 2384 TiWorker.exe Token: SeBackupPrivilege 2384 TiWorker.exe Token: SeRestorePrivilege 2384 TiWorker.exe Token: SeSecurityPrivilege 2384 TiWorker.exe Token: SeBackupPrivilege 2384 TiWorker.exe Token: SeRestorePrivilege 2384 TiWorker.exe Token: SeSecurityPrivilege 2384 TiWorker.exe Token: SeBackupPrivilege 2384 TiWorker.exe Token: SeRestorePrivilege 2384 TiWorker.exe Token: SeSecurityPrivilege 2384 TiWorker.exe Token: SeBackupPrivilege 2384 TiWorker.exe Token: SeRestorePrivilege 2384 TiWorker.exe Token: SeSecurityPrivilege 2384 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
04706060174adf59e7a1f2afd19a750dc72c0d55300cdd0c01e79daaec7bec83.execmd.exedescription pid process target process PID 1016 wrote to memory of 724 1016 04706060174adf59e7a1f2afd19a750dc72c0d55300cdd0c01e79daaec7bec83.exe MediaCenter.exe PID 1016 wrote to memory of 724 1016 04706060174adf59e7a1f2afd19a750dc72c0d55300cdd0c01e79daaec7bec83.exe MediaCenter.exe PID 1016 wrote to memory of 724 1016 04706060174adf59e7a1f2afd19a750dc72c0d55300cdd0c01e79daaec7bec83.exe MediaCenter.exe PID 1016 wrote to memory of 876 1016 04706060174adf59e7a1f2afd19a750dc72c0d55300cdd0c01e79daaec7bec83.exe cmd.exe PID 1016 wrote to memory of 876 1016 04706060174adf59e7a1f2afd19a750dc72c0d55300cdd0c01e79daaec7bec83.exe cmd.exe PID 1016 wrote to memory of 876 1016 04706060174adf59e7a1f2afd19a750dc72c0d55300cdd0c01e79daaec7bec83.exe cmd.exe PID 876 wrote to memory of 2600 876 cmd.exe PING.EXE PID 876 wrote to memory of 2600 876 cmd.exe PING.EXE PID 876 wrote to memory of 2600 876 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\04706060174adf59e7a1f2afd19a750dc72c0d55300cdd0c01e79daaec7bec83.exe"C:\Users\Admin\AppData\Local\Temp\04706060174adf59e7a1f2afd19a750dc72c0d55300cdd0c01e79daaec7bec83.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1016 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:724 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\04706060174adf59e7a1f2afd19a750dc72c0d55300cdd0c01e79daaec7bec83.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:876 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2600
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:2864
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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:2756
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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:2384
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
a0e3ba5b226b8b3ddb927eb61cdf404f
SHA15d479f6ca2407a280200b518a3950041852a43e6
SHA256715c94e901bcca53e6de9413c0bd5042391c747a47a2cfcc5090dec2bc4b4464
SHA512c3cb69a0d53af76e9c7dd3aa8de1ca8afb4b55084e313f962602d79c4a8357befd53a8807ee5ff4c09903aaf5df91015e6d60293968e9f940ee46787e9d40392
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
a0e3ba5b226b8b3ddb927eb61cdf404f
SHA15d479f6ca2407a280200b518a3950041852a43e6
SHA256715c94e901bcca53e6de9413c0bd5042391c747a47a2cfcc5090dec2bc4b4464
SHA512c3cb69a0d53af76e9c7dd3aa8de1ca8afb4b55084e313f962602d79c4a8357befd53a8807ee5ff4c09903aaf5df91015e6d60293968e9f940ee46787e9d40392