Analysis
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max time kernel
163s -
max time network
172s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 04:51
Static task
static1
Behavioral task
behavioral1
Sample
14387baff1602d057a8e5f864315ab7c208b1508c8156cf461438ad9b13c9bd2.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
14387baff1602d057a8e5f864315ab7c208b1508c8156cf461438ad9b13c9bd2.exe
Resource
win10v2004-en-20220112
General
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Target
14387baff1602d057a8e5f864315ab7c208b1508c8156cf461438ad9b13c9bd2.exe
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Size
104KB
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MD5
c649e1d21d12048161d55c229c7a51dc
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SHA1
063fa58d6bf1c1b3b58ab100d826fd79590185c5
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SHA256
14387baff1602d057a8e5f864315ab7c208b1508c8156cf461438ad9b13c9bd2
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SHA512
cd0b023189dd2512146d09c290e56c75650713a91f2c3fcd23deaba26e0445d910fc17c7dd6405398b30d3d20e3c220922da762781fc1ee42d60461bc1bfc7cd
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 1464 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
14387baff1602d057a8e5f864315ab7c208b1508c8156cf461438ad9b13c9bd2.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 14387baff1602d057a8e5f864315ab7c208b1508c8156cf461438ad9b13c9bd2.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
14387baff1602d057a8e5f864315ab7c208b1508c8156cf461438ad9b13c9bd2.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 14387baff1602d057a8e5f864315ab7c208b1508c8156cf461438ad9b13c9bd2.exe -
Drops file in Windows directory 3 IoCs
Processes:
TiWorker.exesvchost.exedescription ioc process File opened for modification C:\Windows\Logs\CBS\CBS.log TiWorker.exe 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 -
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 45 IoCs
Processes:
svchost.exedescription ioc process 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\DownloadMonthlyGroupBytes = "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\DownlinkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.418464" 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\CacheSizeBytes = "0" 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\DownlinkUsageBps = "0" 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\DownloadMonthlyLanBytes = "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\DownloadMonthlyRateBkCnt = "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\SwarmCount = "1" 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\BkDownloadRatePct = "45" 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\MonthlyUploadRestriction = "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\DownloadMonthlyRateBkBps = "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\UploadCount = "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\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\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\MonthID = "2" 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\PriorityDownloadPendingCount = "0" 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\DownloadMonthlyRateFrBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892916128730872" 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\UplinkBps = "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\Config\DODownloadMode = "1" 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 (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\GroupConnectionCount = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 34 IoCs
Processes:
14387baff1602d057a8e5f864315ab7c208b1508c8156cf461438ad9b13c9bd2.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 1044 14387baff1602d057a8e5f864315ab7c208b1508c8156cf461438ad9b13c9bd2.exe Token: SeSecurityPrivilege 1276 TiWorker.exe Token: SeRestorePrivilege 1276 TiWorker.exe Token: SeBackupPrivilege 1276 TiWorker.exe Token: SeBackupPrivilege 1276 TiWorker.exe Token: SeRestorePrivilege 1276 TiWorker.exe Token: SeSecurityPrivilege 1276 TiWorker.exe Token: SeBackupPrivilege 1276 TiWorker.exe Token: SeRestorePrivilege 1276 TiWorker.exe Token: SeSecurityPrivilege 1276 TiWorker.exe Token: SeBackupPrivilege 1276 TiWorker.exe Token: SeRestorePrivilege 1276 TiWorker.exe Token: SeSecurityPrivilege 1276 TiWorker.exe Token: SeBackupPrivilege 1276 TiWorker.exe Token: SeRestorePrivilege 1276 TiWorker.exe Token: SeSecurityPrivilege 1276 TiWorker.exe Token: SeBackupPrivilege 1276 TiWorker.exe Token: SeRestorePrivilege 1276 TiWorker.exe Token: SeSecurityPrivilege 1276 TiWorker.exe Token: SeBackupPrivilege 1276 TiWorker.exe Token: SeRestorePrivilege 1276 TiWorker.exe Token: SeSecurityPrivilege 1276 TiWorker.exe Token: SeBackupPrivilege 1276 TiWorker.exe Token: SeRestorePrivilege 1276 TiWorker.exe Token: SeSecurityPrivilege 1276 TiWorker.exe Token: SeBackupPrivilege 1276 TiWorker.exe Token: SeRestorePrivilege 1276 TiWorker.exe Token: SeSecurityPrivilege 1276 TiWorker.exe Token: SeBackupPrivilege 1276 TiWorker.exe Token: SeRestorePrivilege 1276 TiWorker.exe Token: SeSecurityPrivilege 1276 TiWorker.exe Token: SeBackupPrivilege 1276 TiWorker.exe Token: SeRestorePrivilege 1276 TiWorker.exe Token: SeSecurityPrivilege 1276 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
14387baff1602d057a8e5f864315ab7c208b1508c8156cf461438ad9b13c9bd2.execmd.exedescription pid process target process PID 1044 wrote to memory of 1464 1044 14387baff1602d057a8e5f864315ab7c208b1508c8156cf461438ad9b13c9bd2.exe MediaCenter.exe PID 1044 wrote to memory of 1464 1044 14387baff1602d057a8e5f864315ab7c208b1508c8156cf461438ad9b13c9bd2.exe MediaCenter.exe PID 1044 wrote to memory of 1464 1044 14387baff1602d057a8e5f864315ab7c208b1508c8156cf461438ad9b13c9bd2.exe MediaCenter.exe PID 1044 wrote to memory of 1648 1044 14387baff1602d057a8e5f864315ab7c208b1508c8156cf461438ad9b13c9bd2.exe cmd.exe PID 1044 wrote to memory of 1648 1044 14387baff1602d057a8e5f864315ab7c208b1508c8156cf461438ad9b13c9bd2.exe cmd.exe PID 1044 wrote to memory of 1648 1044 14387baff1602d057a8e5f864315ab7c208b1508c8156cf461438ad9b13c9bd2.exe cmd.exe PID 1648 wrote to memory of 3412 1648 cmd.exe PING.EXE PID 1648 wrote to memory of 3412 1648 cmd.exe PING.EXE PID 1648 wrote to memory of 3412 1648 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\14387baff1602d057a8e5f864315ab7c208b1508c8156cf461438ad9b13c9bd2.exe"C:\Users\Admin\AppData\Local\Temp\14387baff1602d057a8e5f864315ab7c208b1508c8156cf461438ad9b13c9bd2.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1044 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1464 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\14387baff1602d057a8e5f864315ab7c208b1508c8156cf461438ad9b13c9bd2.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1648 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3412
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:2280
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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:3828
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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:1276
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
5db1dd9130c93176137395955036c117
SHA171d8748990c7a40674ce5405e54cc949359e457e
SHA256254e4f0755f45d1217f065caad8ba59448cc25526023e3b42b0f16441d1a0a88
SHA512db4293f9ffcf4bee854c901990738cb60e44629912b8f0c6a93157f6f48bb2e18aca1cf34692536718e0079874951deeea64981db23acfa874853258645202ed
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MD5
5db1dd9130c93176137395955036c117
SHA171d8748990c7a40674ce5405e54cc949359e457e
SHA256254e4f0755f45d1217f065caad8ba59448cc25526023e3b42b0f16441d1a0a88
SHA512db4293f9ffcf4bee854c901990738cb60e44629912b8f0c6a93157f6f48bb2e18aca1cf34692536718e0079874951deeea64981db23acfa874853258645202ed