Analysis
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max time kernel
158s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12/02/2022, 06:38
Static task
static1
Behavioral task
behavioral1
Sample
0f67b84d59836af15a1a17580993e904acd0e6327dac102ca9b03e3dea58a746.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0f67b84d59836af15a1a17580993e904acd0e6327dac102ca9b03e3dea58a746.exe
Resource
win10v2004-en-20220112
General
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Target
0f67b84d59836af15a1a17580993e904acd0e6327dac102ca9b03e3dea58a746.exe
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Size
80KB
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MD5
7a8a2755f9771d25c4f8e83b64b17a5b
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SHA1
5f08c357367c597ce50227de03d8249722b3482f
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SHA256
0f67b84d59836af15a1a17580993e904acd0e6327dac102ca9b03e3dea58a746
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SHA512
658fc9fff1af1baeb1e2c29aac6413e55be8d33072e19ef5b3b3b069c1f37375c2974a825d16dd6818d534a4f04d098a19b67214a6e8f0c259c1397f853a9eb2
Malware Config
Signatures
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Sakula Payload 2 IoCs
resource yara_rule behavioral2/files/0x00080000000220e1-130.dat family_sakula behavioral2/files/0x00080000000220e1-131.dat family_sakula -
Executes dropped EXE 1 IoCs
pid Process 560 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0f67b84d59836af15a1a17580993e904acd0e6327dac102ca9b03e3dea58a746.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0f67b84d59836af15a1a17580993e904acd0e6327dac102ca9b03e3dea58a746.exe -
Drops file in Windows directory 3 IoCs
description ioc Process 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 File opened for modification C:\Windows\Logs\CBS\CBS.log 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.
description 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 50 IoCs
description ioc Process 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\SwarmCount = "1" 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\PriorityDownloadCount = "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\NormalDownloadCount = "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\LANConnectionCount = "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\CacheSizeBytes = "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\FrDownloadRatePct = "90" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.034989" 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\UploadMonthlyLanBytes = "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\DownloadMonthlyRateBkBps = "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\DownloadMonthlyCdnBytes = "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\UplinkBps = "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\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 (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4280" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.039216" 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\UploadMonthlyInternetBytes = "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\DownloadMonthlyLinkLocalBytes = "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\InternetConnectionCount = "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\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\DownloadMonthlyRateFrBps = "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\UploadRatePct = "100" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.812676" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4068" 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\MemoryUsageKB = "4296" 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\DownloadMonthlyLanBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892980557203381" 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\CDNConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 3480 PING.EXE -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 1960 0f67b84d59836af15a1a17580993e904acd0e6327dac102ca9b03e3dea58a746.exe Token: SeSecurityPrivilege 2452 TiWorker.exe Token: SeRestorePrivilege 2452 TiWorker.exe Token: SeBackupPrivilege 2452 TiWorker.exe Token: SeBackupPrivilege 2452 TiWorker.exe Token: SeRestorePrivilege 2452 TiWorker.exe Token: SeSecurityPrivilege 2452 TiWorker.exe Token: SeBackupPrivilege 2452 TiWorker.exe Token: SeRestorePrivilege 2452 TiWorker.exe Token: SeSecurityPrivilege 2452 TiWorker.exe Token: SeBackupPrivilege 2452 TiWorker.exe Token: SeRestorePrivilege 2452 TiWorker.exe Token: SeSecurityPrivilege 2452 TiWorker.exe Token: SeBackupPrivilege 2452 TiWorker.exe Token: SeRestorePrivilege 2452 TiWorker.exe Token: SeSecurityPrivilege 2452 TiWorker.exe Token: SeBackupPrivilege 2452 TiWorker.exe Token: SeRestorePrivilege 2452 TiWorker.exe Token: SeSecurityPrivilege 2452 TiWorker.exe Token: SeBackupPrivilege 2452 TiWorker.exe Token: SeRestorePrivilege 2452 TiWorker.exe Token: SeSecurityPrivilege 2452 TiWorker.exe Token: SeBackupPrivilege 2452 TiWorker.exe Token: SeRestorePrivilege 2452 TiWorker.exe Token: SeSecurityPrivilege 2452 TiWorker.exe Token: SeBackupPrivilege 2452 TiWorker.exe Token: SeRestorePrivilege 2452 TiWorker.exe Token: SeSecurityPrivilege 2452 TiWorker.exe Token: SeBackupPrivilege 2452 TiWorker.exe Token: SeRestorePrivilege 2452 TiWorker.exe Token: SeSecurityPrivilege 2452 TiWorker.exe Token: SeBackupPrivilege 2452 TiWorker.exe Token: SeRestorePrivilege 2452 TiWorker.exe Token: SeSecurityPrivilege 2452 TiWorker.exe Token: SeBackupPrivilege 2452 TiWorker.exe Token: SeRestorePrivilege 2452 TiWorker.exe Token: SeSecurityPrivilege 2452 TiWorker.exe Token: SeBackupPrivilege 2452 TiWorker.exe Token: SeRestorePrivilege 2452 TiWorker.exe Token: SeSecurityPrivilege 2452 TiWorker.exe Token: SeBackupPrivilege 2452 TiWorker.exe Token: SeRestorePrivilege 2452 TiWorker.exe Token: SeSecurityPrivilege 2452 TiWorker.exe Token: SeBackupPrivilege 2452 TiWorker.exe Token: SeRestorePrivilege 2452 TiWorker.exe Token: SeSecurityPrivilege 2452 TiWorker.exe Token: SeBackupPrivilege 2452 TiWorker.exe Token: SeRestorePrivilege 2452 TiWorker.exe Token: SeSecurityPrivilege 2452 TiWorker.exe Token: SeBackupPrivilege 2452 TiWorker.exe Token: SeRestorePrivilege 2452 TiWorker.exe Token: SeSecurityPrivilege 2452 TiWorker.exe Token: SeBackupPrivilege 2452 TiWorker.exe Token: SeRestorePrivilege 2452 TiWorker.exe Token: SeSecurityPrivilege 2452 TiWorker.exe Token: SeBackupPrivilege 2452 TiWorker.exe Token: SeRestorePrivilege 2452 TiWorker.exe Token: SeSecurityPrivilege 2452 TiWorker.exe Token: SeBackupPrivilege 2452 TiWorker.exe Token: SeRestorePrivilege 2452 TiWorker.exe Token: SeSecurityPrivilege 2452 TiWorker.exe Token: SeBackupPrivilege 2452 TiWorker.exe Token: SeRestorePrivilege 2452 TiWorker.exe Token: SeSecurityPrivilege 2452 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1960 wrote to memory of 560 1960 0f67b84d59836af15a1a17580993e904acd0e6327dac102ca9b03e3dea58a746.exe 58 PID 1960 wrote to memory of 560 1960 0f67b84d59836af15a1a17580993e904acd0e6327dac102ca9b03e3dea58a746.exe 58 PID 1960 wrote to memory of 560 1960 0f67b84d59836af15a1a17580993e904acd0e6327dac102ca9b03e3dea58a746.exe 58 PID 1960 wrote to memory of 3768 1960 0f67b84d59836af15a1a17580993e904acd0e6327dac102ca9b03e3dea58a746.exe 81 PID 1960 wrote to memory of 3768 1960 0f67b84d59836af15a1a17580993e904acd0e6327dac102ca9b03e3dea58a746.exe 81 PID 1960 wrote to memory of 3768 1960 0f67b84d59836af15a1a17580993e904acd0e6327dac102ca9b03e3dea58a746.exe 81 PID 3768 wrote to memory of 3480 3768 cmd.exe 83 PID 3768 wrote to memory of 3480 3768 cmd.exe 83 PID 3768 wrote to memory of 3480 3768 cmd.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\0f67b84d59836af15a1a17580993e904acd0e6327dac102ca9b03e3dea58a746.exe"C:\Users\Admin\AppData\Local\Temp\0f67b84d59836af15a1a17580993e904acd0e6327dac102ca9b03e3dea58a746.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1960 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:560
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0f67b84d59836af15a1a17580993e904acd0e6327dac102ca9b03e3dea58a746.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3768 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3480
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:1228
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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:3460
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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:2452