Analysis
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max time kernel
159s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12/02/2022, 06:37
Static task
static1
Behavioral task
behavioral1
Sample
0f79bdee22715c69fe59bd1317edbf32f1cca115775981c281fc29e233f50028.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0f79bdee22715c69fe59bd1317edbf32f1cca115775981c281fc29e233f50028.exe
Resource
win10v2004-en-20220112
General
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Target
0f79bdee22715c69fe59bd1317edbf32f1cca115775981c281fc29e233f50028.exe
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Size
89KB
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MD5
c0a075ce6fd285d108599085ff26b781
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SHA1
daba68f483a26a946ddef15cd3e55bbc086c5a4c
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SHA256
0f79bdee22715c69fe59bd1317edbf32f1cca115775981c281fc29e233f50028
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SHA512
cfc111bc22b5c3c96a614e8a1eff734b29d56bb5764e2152ab5213c0c0d55d403a0c3d2bc17038ece50fb0571d0408c1e048dc469b40f0c7dfce135190e7bf6d
Malware Config
Signatures
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Sakula Payload 2 IoCs
resource yara_rule behavioral2/files/0x000300000001ed10-130.dat family_sakula behavioral2/files/0x000300000001ed10-131.dat family_sakula -
Executes dropped EXE 1 IoCs
pid Process 2500 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 0f79bdee22715c69fe59bd1317edbf32f1cca115775981c281fc29e233f50028.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" 0f79bdee22715c69fe59bd1317edbf32f1cca115775981c281fc29e233f50028.exe -
Drops file in Windows directory 3 IoCs
description 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.
description 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 49 IoCs
description ioc Process 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\CacheSizeBytes = "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\UploadRatePct = "100" 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\PriorityDownloadPendingCount = "0" 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\DownloadMonthlyLanBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4088" 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 (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 (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 Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.678590" 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\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\Config\KVFileExpirationTime = "132892979962659197" 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 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\FrDownloadRatePct = "90" 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\MemoryUsageKB = "4300" 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 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\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 (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.167926" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "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\PeerInfoCount = "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\UplinkUsageBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "19.997466" 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\DownloadMonthlyRateBkCnt = "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\NormalDownloadCount = "0" 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\Config\DODownloadMode = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 1812 PING.EXE -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 3500 0f79bdee22715c69fe59bd1317edbf32f1cca115775981c281fc29e233f50028.exe Token: SeSecurityPrivilege 2240 TiWorker.exe Token: SeRestorePrivilege 2240 TiWorker.exe Token: SeBackupPrivilege 2240 TiWorker.exe Token: SeBackupPrivilege 2240 TiWorker.exe Token: SeRestorePrivilege 2240 TiWorker.exe Token: SeSecurityPrivilege 2240 TiWorker.exe Token: SeBackupPrivilege 2240 TiWorker.exe Token: SeRestorePrivilege 2240 TiWorker.exe Token: SeSecurityPrivilege 2240 TiWorker.exe Token: SeBackupPrivilege 2240 TiWorker.exe Token: SeRestorePrivilege 2240 TiWorker.exe Token: SeSecurityPrivilege 2240 TiWorker.exe Token: SeBackupPrivilege 2240 TiWorker.exe Token: SeRestorePrivilege 2240 TiWorker.exe Token: SeSecurityPrivilege 2240 TiWorker.exe Token: SeBackupPrivilege 2240 TiWorker.exe Token: SeRestorePrivilege 2240 TiWorker.exe Token: SeSecurityPrivilege 2240 TiWorker.exe Token: SeBackupPrivilege 2240 TiWorker.exe Token: SeRestorePrivilege 2240 TiWorker.exe Token: SeSecurityPrivilege 2240 TiWorker.exe Token: SeBackupPrivilege 2240 TiWorker.exe Token: SeRestorePrivilege 2240 TiWorker.exe Token: SeSecurityPrivilege 2240 TiWorker.exe Token: SeBackupPrivilege 2240 TiWorker.exe Token: SeRestorePrivilege 2240 TiWorker.exe Token: SeSecurityPrivilege 2240 TiWorker.exe Token: SeBackupPrivilege 2240 TiWorker.exe Token: SeRestorePrivilege 2240 TiWorker.exe Token: SeSecurityPrivilege 2240 TiWorker.exe Token: SeBackupPrivilege 2240 TiWorker.exe Token: SeRestorePrivilege 2240 TiWorker.exe Token: SeSecurityPrivilege 2240 TiWorker.exe Token: SeBackupPrivilege 2240 TiWorker.exe Token: SeRestorePrivilege 2240 TiWorker.exe Token: SeSecurityPrivilege 2240 TiWorker.exe Token: SeBackupPrivilege 2240 TiWorker.exe Token: SeRestorePrivilege 2240 TiWorker.exe Token: SeSecurityPrivilege 2240 TiWorker.exe Token: SeBackupPrivilege 2240 TiWorker.exe Token: SeRestorePrivilege 2240 TiWorker.exe Token: SeSecurityPrivilege 2240 TiWorker.exe Token: SeBackupPrivilege 2240 TiWorker.exe Token: SeRestorePrivilege 2240 TiWorker.exe Token: SeSecurityPrivilege 2240 TiWorker.exe Token: SeBackupPrivilege 2240 TiWorker.exe Token: SeRestorePrivilege 2240 TiWorker.exe Token: SeSecurityPrivilege 2240 TiWorker.exe Token: SeBackupPrivilege 2240 TiWorker.exe Token: SeRestorePrivilege 2240 TiWorker.exe Token: SeSecurityPrivilege 2240 TiWorker.exe Token: SeBackupPrivilege 2240 TiWorker.exe Token: SeRestorePrivilege 2240 TiWorker.exe Token: SeSecurityPrivilege 2240 TiWorker.exe Token: SeBackupPrivilege 2240 TiWorker.exe Token: SeRestorePrivilege 2240 TiWorker.exe Token: SeSecurityPrivilege 2240 TiWorker.exe Token: SeBackupPrivilege 2240 TiWorker.exe Token: SeRestorePrivilege 2240 TiWorker.exe Token: SeSecurityPrivilege 2240 TiWorker.exe Token: SeBackupPrivilege 2240 TiWorker.exe Token: SeRestorePrivilege 2240 TiWorker.exe Token: SeSecurityPrivilege 2240 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3500 wrote to memory of 2500 3500 0f79bdee22715c69fe59bd1317edbf32f1cca115775981c281fc29e233f50028.exe 61 PID 3500 wrote to memory of 2500 3500 0f79bdee22715c69fe59bd1317edbf32f1cca115775981c281fc29e233f50028.exe 61 PID 3500 wrote to memory of 2500 3500 0f79bdee22715c69fe59bd1317edbf32f1cca115775981c281fc29e233f50028.exe 61 PID 3500 wrote to memory of 764 3500 0f79bdee22715c69fe59bd1317edbf32f1cca115775981c281fc29e233f50028.exe 65 PID 3500 wrote to memory of 764 3500 0f79bdee22715c69fe59bd1317edbf32f1cca115775981c281fc29e233f50028.exe 65 PID 3500 wrote to memory of 764 3500 0f79bdee22715c69fe59bd1317edbf32f1cca115775981c281fc29e233f50028.exe 65 PID 764 wrote to memory of 1812 764 cmd.exe 67 PID 764 wrote to memory of 1812 764 cmd.exe 67 PID 764 wrote to memory of 1812 764 cmd.exe 67
Processes
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C:\Users\Admin\AppData\Local\Temp\0f79bdee22715c69fe59bd1317edbf32f1cca115775981c281fc29e233f50028.exe"C:\Users\Admin\AppData\Local\Temp\0f79bdee22715c69fe59bd1317edbf32f1cca115775981c281fc29e233f50028.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3500 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2500
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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\0f79bdee22715c69fe59bd1317edbf32f1cca115775981c281fc29e233f50028.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:764 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1812
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3672
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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:3640
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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:2240