Analysis
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max time kernel
163s -
max time network
175s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12/02/2022, 06:43
Static task
static1
Behavioral task
behavioral1
Sample
0f1f74c603e82010ea7f903cbc82b2a084c42067f10fb6e17a8d7bc281497052.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0f1f74c603e82010ea7f903cbc82b2a084c42067f10fb6e17a8d7bc281497052.exe
Resource
win10v2004-en-20220112
General
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Target
0f1f74c603e82010ea7f903cbc82b2a084c42067f10fb6e17a8d7bc281497052.exe
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Size
192KB
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MD5
d8392f761c1f4f401c9d0fbaee002d92
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SHA1
2eaabca5a75f6ea2fc1cf2ed5f9cd150527a6b60
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SHA256
0f1f74c603e82010ea7f903cbc82b2a084c42067f10fb6e17a8d7bc281497052
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SHA512
00b78cf8e9bbcbc48db28afe44d90a31317914540d53ef832c4585ae7c2bb370e4b7d5495b60a5351007b15c0368c1140579406c9772451e235d593c631041d4
Malware Config
Signatures
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Sakula Payload 2 IoCs
resource yara_rule behavioral2/files/0x000300000001e533-130.dat family_sakula behavioral2/files/0x000300000001e533-131.dat family_sakula -
Executes dropped EXE 1 IoCs
pid Process 1804 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 0f1f74c603e82010ea7f903cbc82b2a084c42067f10fb6e17a8d7bc281497052.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" 0f1f74c603e82010ea7f903cbc82b2a084c42067f10fb6e17a8d7bc281497052.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 51 IoCs
description ioc Process 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\Config\DownloadMode_BackCompat = "1" 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\DownloadMonthlyRateBkBps = "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 (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\UploadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0" 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\Config\KVFileExpirationTime = "132892983309557266" 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\LANConnectionCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "11.538609" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "6.250028" 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\DownloadMonthlyInternetBytes = "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 (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\NormalDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4092" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4288" 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\UploadMonthlyInternetBytes = "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\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\SwarmCount = "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\DownloadMonthlyLanBytes = "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\DownloadMonthlyRateFrBps = "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\DownloadMonthlyCacheHostBytes = "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\MemoryUsageKB = "4004" 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\MonthID = "2" 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\DownlinkUsageBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "16.678123" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.006595" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "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\CDNConnectionCount = "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\DownlinkBps = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 4028 PING.EXE -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeSecurityPrivilege 3164 TiWorker.exe Token: SeRestorePrivilege 3164 TiWorker.exe Token: SeBackupPrivilege 3164 TiWorker.exe Token: SeBackupPrivilege 3164 TiWorker.exe Token: SeRestorePrivilege 3164 TiWorker.exe Token: SeSecurityPrivilege 3164 TiWorker.exe Token: SeBackupPrivilege 3164 TiWorker.exe Token: SeRestorePrivilege 3164 TiWorker.exe Token: SeSecurityPrivilege 3164 TiWorker.exe Token: SeBackupPrivilege 3164 TiWorker.exe Token: SeRestorePrivilege 3164 TiWorker.exe Token: SeSecurityPrivilege 3164 TiWorker.exe Token: SeBackupPrivilege 3164 TiWorker.exe Token: SeRestorePrivilege 3164 TiWorker.exe Token: SeSecurityPrivilege 3164 TiWorker.exe Token: SeBackupPrivilege 3164 TiWorker.exe Token: SeRestorePrivilege 3164 TiWorker.exe Token: SeSecurityPrivilege 3164 TiWorker.exe Token: SeBackupPrivilege 3164 TiWorker.exe Token: SeRestorePrivilege 3164 TiWorker.exe Token: SeSecurityPrivilege 3164 TiWorker.exe Token: SeIncBasePriorityPrivilege 1532 0f1f74c603e82010ea7f903cbc82b2a084c42067f10fb6e17a8d7bc281497052.exe Token: SeBackupPrivilege 3164 TiWorker.exe Token: SeRestorePrivilege 3164 TiWorker.exe Token: SeSecurityPrivilege 3164 TiWorker.exe Token: SeBackupPrivilege 3164 TiWorker.exe Token: SeRestorePrivilege 3164 TiWorker.exe Token: SeSecurityPrivilege 3164 TiWorker.exe Token: SeBackupPrivilege 3164 TiWorker.exe Token: SeRestorePrivilege 3164 TiWorker.exe Token: SeSecurityPrivilege 3164 TiWorker.exe Token: SeBackupPrivilege 3164 TiWorker.exe Token: SeRestorePrivilege 3164 TiWorker.exe Token: SeSecurityPrivilege 3164 TiWorker.exe Token: SeBackupPrivilege 3164 TiWorker.exe Token: SeRestorePrivilege 3164 TiWorker.exe Token: SeSecurityPrivilege 3164 TiWorker.exe Token: SeBackupPrivilege 3164 TiWorker.exe Token: SeRestorePrivilege 3164 TiWorker.exe Token: SeSecurityPrivilege 3164 TiWorker.exe Token: SeBackupPrivilege 3164 TiWorker.exe Token: SeRestorePrivilege 3164 TiWorker.exe Token: SeSecurityPrivilege 3164 TiWorker.exe Token: SeBackupPrivilege 3164 TiWorker.exe Token: SeRestorePrivilege 3164 TiWorker.exe Token: SeSecurityPrivilege 3164 TiWorker.exe Token: SeBackupPrivilege 3164 TiWorker.exe Token: SeRestorePrivilege 3164 TiWorker.exe Token: SeSecurityPrivilege 3164 TiWorker.exe Token: SeBackupPrivilege 3164 TiWorker.exe Token: SeRestorePrivilege 3164 TiWorker.exe Token: SeSecurityPrivilege 3164 TiWorker.exe Token: SeBackupPrivilege 3164 TiWorker.exe Token: SeRestorePrivilege 3164 TiWorker.exe Token: SeSecurityPrivilege 3164 TiWorker.exe Token: SeBackupPrivilege 3164 TiWorker.exe Token: SeRestorePrivilege 3164 TiWorker.exe Token: SeSecurityPrivilege 3164 TiWorker.exe Token: SeBackupPrivilege 3164 TiWorker.exe Token: SeRestorePrivilege 3164 TiWorker.exe Token: SeSecurityPrivilege 3164 TiWorker.exe Token: SeBackupPrivilege 3164 TiWorker.exe Token: SeRestorePrivilege 3164 TiWorker.exe Token: SeSecurityPrivilege 3164 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1532 wrote to memory of 1804 1532 0f1f74c603e82010ea7f903cbc82b2a084c42067f10fb6e17a8d7bc281497052.exe 72 PID 1532 wrote to memory of 1804 1532 0f1f74c603e82010ea7f903cbc82b2a084c42067f10fb6e17a8d7bc281497052.exe 72 PID 1532 wrote to memory of 1804 1532 0f1f74c603e82010ea7f903cbc82b2a084c42067f10fb6e17a8d7bc281497052.exe 72 PID 1532 wrote to memory of 432 1532 0f1f74c603e82010ea7f903cbc82b2a084c42067f10fb6e17a8d7bc281497052.exe 79 PID 1532 wrote to memory of 432 1532 0f1f74c603e82010ea7f903cbc82b2a084c42067f10fb6e17a8d7bc281497052.exe 79 PID 1532 wrote to memory of 432 1532 0f1f74c603e82010ea7f903cbc82b2a084c42067f10fb6e17a8d7bc281497052.exe 79 PID 432 wrote to memory of 4028 432 cmd.exe 83 PID 432 wrote to memory of 4028 432 cmd.exe 83 PID 432 wrote to memory of 4028 432 cmd.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\0f1f74c603e82010ea7f903cbc82b2a084c42067f10fb6e17a8d7bc281497052.exe"C:\Users\Admin\AppData\Local\Temp\0f1f74c603e82010ea7f903cbc82b2a084c42067f10fb6e17a8d7bc281497052.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1532 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1804
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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\0f1f74c603e82010ea7f903cbc82b2a084c42067f10fb6e17a8d7bc281497052.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:432 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:4028
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:1772
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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:2060
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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:3164