Analysis
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max time kernel
153s -
max time network
160s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 10:58
Static task
static1
Behavioral task
behavioral1
Sample
05a0706663097e8362dcc1cd4acb369d5c6cd93412adaa2c4aad722d26de2220.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
05a0706663097e8362dcc1cd4acb369d5c6cd93412adaa2c4aad722d26de2220.exe
Resource
win10v2004-en-20220112
General
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Target
05a0706663097e8362dcc1cd4acb369d5c6cd93412adaa2c4aad722d26de2220.exe
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Size
191KB
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MD5
fd05e7553d7d1828a306af4844e8d7e9
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SHA1
e66c0e9f54668128f0ad751035f6c9f8f698702a
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SHA256
05a0706663097e8362dcc1cd4acb369d5c6cd93412adaa2c4aad722d26de2220
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SHA512
782213646b386c8d1dd6ebfed1feb8e0fe6357a934d7161044adaaed26ea17b0f055c6a023bcacc29ebd8190d55504e6dd07d4bfcee1164dc7cb2c869091b27e
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 4020 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
05a0706663097e8362dcc1cd4acb369d5c6cd93412adaa2c4aad722d26de2220.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 05a0706663097e8362dcc1cd4acb369d5c6cd93412adaa2c4aad722d26de2220.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
05a0706663097e8362dcc1cd4acb369d5c6cd93412adaa2c4aad722d26de2220.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 05a0706663097e8362dcc1cd4acb369d5c6cd93412adaa2c4aad722d26de2220.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 55 IoCs
Processes:
svchost.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893146853491515" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4076" 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\SwarmCount = "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\DownloadMode_BackCompat = "1" 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\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\MonthID = "1" 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\DownlinkBps = "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\DownloadMonthlyRateFrCnt = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization 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\DODownloadMode = "1" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "6.250583" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.006551" 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\UploadRatePct = "100" 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\LANConnectionCount = "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\UploadCount = "0" 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\NormalDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "12.499882" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4260" 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 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\DownloadMonthlyRateBkBps = "1157726" 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 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\DownlinkUsageBps = "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\DownloadMonthlyLinkLocalBytes = "0" 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\CDNConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3972" 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\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\DownloadMonthlyRateBkCnt = "4" 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\DownloadMonthlyGroupBytes = "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\PriorityDownloadPendingCount = "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 -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe05a0706663097e8362dcc1cd4acb369d5c6cd93412adaa2c4aad722d26de2220.exedescription pid process Token: SeSecurityPrivilege 3512 TiWorker.exe Token: SeRestorePrivilege 3512 TiWorker.exe Token: SeBackupPrivilege 3512 TiWorker.exe Token: SeBackupPrivilege 3512 TiWorker.exe Token: SeRestorePrivilege 3512 TiWorker.exe Token: SeSecurityPrivilege 3512 TiWorker.exe Token: SeBackupPrivilege 3512 TiWorker.exe Token: SeRestorePrivilege 3512 TiWorker.exe Token: SeSecurityPrivilege 3512 TiWorker.exe Token: SeBackupPrivilege 3512 TiWorker.exe Token: SeRestorePrivilege 3512 TiWorker.exe Token: SeSecurityPrivilege 3512 TiWorker.exe Token: SeBackupPrivilege 3512 TiWorker.exe Token: SeRestorePrivilege 3512 TiWorker.exe Token: SeSecurityPrivilege 3512 TiWorker.exe Token: SeBackupPrivilege 3512 TiWorker.exe Token: SeRestorePrivilege 3512 TiWorker.exe Token: SeSecurityPrivilege 3512 TiWorker.exe Token: SeBackupPrivilege 3512 TiWorker.exe Token: SeRestorePrivilege 3512 TiWorker.exe Token: SeSecurityPrivilege 3512 TiWorker.exe Token: SeBackupPrivilege 3512 TiWorker.exe Token: SeRestorePrivilege 3512 TiWorker.exe Token: SeSecurityPrivilege 3512 TiWorker.exe Token: SeBackupPrivilege 3512 TiWorker.exe Token: SeRestorePrivilege 3512 TiWorker.exe Token: SeSecurityPrivilege 3512 TiWorker.exe Token: SeBackupPrivilege 3512 TiWorker.exe Token: SeRestorePrivilege 3512 TiWorker.exe Token: SeSecurityPrivilege 3512 TiWorker.exe Token: SeBackupPrivilege 3512 TiWorker.exe Token: SeRestorePrivilege 3512 TiWorker.exe Token: SeSecurityPrivilege 3512 TiWorker.exe Token: SeIncBasePriorityPrivilege 540 05a0706663097e8362dcc1cd4acb369d5c6cd93412adaa2c4aad722d26de2220.exe Token: SeBackupPrivilege 3512 TiWorker.exe Token: SeRestorePrivilege 3512 TiWorker.exe Token: SeSecurityPrivilege 3512 TiWorker.exe Token: SeBackupPrivilege 3512 TiWorker.exe Token: SeRestorePrivilege 3512 TiWorker.exe Token: SeSecurityPrivilege 3512 TiWorker.exe Token: SeBackupPrivilege 3512 TiWorker.exe Token: SeRestorePrivilege 3512 TiWorker.exe Token: SeSecurityPrivilege 3512 TiWorker.exe Token: SeBackupPrivilege 3512 TiWorker.exe Token: SeRestorePrivilege 3512 TiWorker.exe Token: SeSecurityPrivilege 3512 TiWorker.exe Token: SeBackupPrivilege 3512 TiWorker.exe Token: SeRestorePrivilege 3512 TiWorker.exe Token: SeSecurityPrivilege 3512 TiWorker.exe Token: SeBackupPrivilege 3512 TiWorker.exe Token: SeRestorePrivilege 3512 TiWorker.exe Token: SeSecurityPrivilege 3512 TiWorker.exe Token: SeBackupPrivilege 3512 TiWorker.exe Token: SeRestorePrivilege 3512 TiWorker.exe Token: SeSecurityPrivilege 3512 TiWorker.exe Token: SeBackupPrivilege 3512 TiWorker.exe Token: SeRestorePrivilege 3512 TiWorker.exe Token: SeSecurityPrivilege 3512 TiWorker.exe Token: SeBackupPrivilege 3512 TiWorker.exe Token: SeRestorePrivilege 3512 TiWorker.exe Token: SeSecurityPrivilege 3512 TiWorker.exe Token: SeBackupPrivilege 3512 TiWorker.exe Token: SeRestorePrivilege 3512 TiWorker.exe Token: SeSecurityPrivilege 3512 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
05a0706663097e8362dcc1cd4acb369d5c6cd93412adaa2c4aad722d26de2220.execmd.exedescription pid process target process PID 540 wrote to memory of 4020 540 05a0706663097e8362dcc1cd4acb369d5c6cd93412adaa2c4aad722d26de2220.exe MediaCenter.exe PID 540 wrote to memory of 4020 540 05a0706663097e8362dcc1cd4acb369d5c6cd93412adaa2c4aad722d26de2220.exe MediaCenter.exe PID 540 wrote to memory of 4020 540 05a0706663097e8362dcc1cd4acb369d5c6cd93412adaa2c4aad722d26de2220.exe MediaCenter.exe PID 540 wrote to memory of 3532 540 05a0706663097e8362dcc1cd4acb369d5c6cd93412adaa2c4aad722d26de2220.exe cmd.exe PID 540 wrote to memory of 3532 540 05a0706663097e8362dcc1cd4acb369d5c6cd93412adaa2c4aad722d26de2220.exe cmd.exe PID 540 wrote to memory of 3532 540 05a0706663097e8362dcc1cd4acb369d5c6cd93412adaa2c4aad722d26de2220.exe cmd.exe PID 3532 wrote to memory of 3340 3532 cmd.exe PING.EXE PID 3532 wrote to memory of 3340 3532 cmd.exe PING.EXE PID 3532 wrote to memory of 3340 3532 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\05a0706663097e8362dcc1cd4acb369d5c6cd93412adaa2c4aad722d26de2220.exe"C:\Users\Admin\AppData\Local\Temp\05a0706663097e8362dcc1cd4acb369d5c6cd93412adaa2c4aad722d26de2220.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:540 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:4020 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\05a0706663097e8362dcc1cd4acb369d5c6cd93412adaa2c4aad722d26de2220.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3532 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3340
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:2996
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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:1360
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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:3512
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
5c4fb587296d6cd809bc4ce7fea549a6
SHA1d56eb42e2088c0c3fad0782896ddb0f4c9f668a1
SHA256a99abdb0839e932a819197552071fb22580d4542d097930a885432c9830164e6
SHA512359ba260089223c328557cbe63c4ebe128a07da6591c7e7319413a626c73b25af942675311d0041bb28f74e8c632c3bede1aab4dff37e64f2a05f13d1a1aca12
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
5c4fb587296d6cd809bc4ce7fea549a6
SHA1d56eb42e2088c0c3fad0782896ddb0f4c9f668a1
SHA256a99abdb0839e932a819197552071fb22580d4542d097930a885432c9830164e6
SHA512359ba260089223c328557cbe63c4ebe128a07da6591c7e7319413a626c73b25af942675311d0041bb28f74e8c632c3bede1aab4dff37e64f2a05f13d1a1aca12