Analysis
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max time kernel
160s -
max time network
165s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 12:19
Static task
static1
Behavioral task
behavioral1
Sample
01e01993368fc49434b8412c2b71abc8ba06b4a52bff45360b624795a5694d18.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
01e01993368fc49434b8412c2b71abc8ba06b4a52bff45360b624795a5694d18.exe
Resource
win10v2004-en-20220112
General
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Target
01e01993368fc49434b8412c2b71abc8ba06b4a52bff45360b624795a5694d18.exe
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Size
104KB
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MD5
b5cff3f3a79af92a10456fd6c631b8b7
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SHA1
f66c1950e24653a98fbd8f71d7f6105b8ea062df
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SHA256
01e01993368fc49434b8412c2b71abc8ba06b4a52bff45360b624795a5694d18
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SHA512
e126e3f2659e3dc27803c0ff944df756d14f6ff7ba8733a74aee8175641b5b214a86ef100cde7cd0cc54926515904f51496074120eb254665338d5cf2ea4a404
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 3484 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 01e01993368fc49434b8412c2b71abc8ba06b4a52bff45360b624795a5694d18.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" 01e01993368fc49434b8412c2b71abc8ba06b4a52bff45360b624795a5694d18.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\CacheSizeBytes = "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 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\KVFileExpirationTime = "132893200659773215" 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\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 (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 = "0.051387" 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\UplinkBps = "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\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\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 (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.154665" 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\DownloadMonthlyCacheHostBytes = "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\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\DownloadMonthlyLinkLocalBytes = "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\DownloadMonthlyRateBkCnt = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.101010" 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 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\MonthID = "2" 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\InternetConnectionCount = "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\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 = "4296" 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 = "4312" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1" 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\DownloadMonthlyRateFrCnt = "0" 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 Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 3688 PING.EXE -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 3828 01e01993368fc49434b8412c2b71abc8ba06b4a52bff45360b624795a5694d18.exe Token: SeSecurityPrivilege 3304 TiWorker.exe Token: SeRestorePrivilege 3304 TiWorker.exe Token: SeBackupPrivilege 3304 TiWorker.exe Token: SeBackupPrivilege 3304 TiWorker.exe Token: SeRestorePrivilege 3304 TiWorker.exe Token: SeSecurityPrivilege 3304 TiWorker.exe Token: SeBackupPrivilege 3304 TiWorker.exe Token: SeRestorePrivilege 3304 TiWorker.exe Token: SeSecurityPrivilege 3304 TiWorker.exe Token: SeBackupPrivilege 3304 TiWorker.exe Token: SeRestorePrivilege 3304 TiWorker.exe Token: SeSecurityPrivilege 3304 TiWorker.exe Token: SeBackupPrivilege 3304 TiWorker.exe Token: SeRestorePrivilege 3304 TiWorker.exe Token: SeSecurityPrivilege 3304 TiWorker.exe Token: SeBackupPrivilege 3304 TiWorker.exe Token: SeRestorePrivilege 3304 TiWorker.exe Token: SeSecurityPrivilege 3304 TiWorker.exe Token: SeBackupPrivilege 3304 TiWorker.exe Token: SeRestorePrivilege 3304 TiWorker.exe Token: SeSecurityPrivilege 3304 TiWorker.exe Token: SeBackupPrivilege 3304 TiWorker.exe Token: SeRestorePrivilege 3304 TiWorker.exe Token: SeSecurityPrivilege 3304 TiWorker.exe Token: SeBackupPrivilege 3304 TiWorker.exe Token: SeRestorePrivilege 3304 TiWorker.exe Token: SeSecurityPrivilege 3304 TiWorker.exe Token: SeBackupPrivilege 3304 TiWorker.exe Token: SeRestorePrivilege 3304 TiWorker.exe Token: SeSecurityPrivilege 3304 TiWorker.exe Token: SeBackupPrivilege 3304 TiWorker.exe Token: SeRestorePrivilege 3304 TiWorker.exe Token: SeSecurityPrivilege 3304 TiWorker.exe Token: SeBackupPrivilege 3304 TiWorker.exe Token: SeRestorePrivilege 3304 TiWorker.exe Token: SeSecurityPrivilege 3304 TiWorker.exe Token: SeBackupPrivilege 3304 TiWorker.exe Token: SeRestorePrivilege 3304 TiWorker.exe Token: SeSecurityPrivilege 3304 TiWorker.exe Token: SeBackupPrivilege 3304 TiWorker.exe Token: SeRestorePrivilege 3304 TiWorker.exe Token: SeSecurityPrivilege 3304 TiWorker.exe Token: SeBackupPrivilege 3304 TiWorker.exe Token: SeRestorePrivilege 3304 TiWorker.exe Token: SeSecurityPrivilege 3304 TiWorker.exe Token: SeBackupPrivilege 3304 TiWorker.exe Token: SeRestorePrivilege 3304 TiWorker.exe Token: SeSecurityPrivilege 3304 TiWorker.exe Token: SeBackupPrivilege 3304 TiWorker.exe Token: SeRestorePrivilege 3304 TiWorker.exe Token: SeSecurityPrivilege 3304 TiWorker.exe Token: SeBackupPrivilege 3304 TiWorker.exe Token: SeRestorePrivilege 3304 TiWorker.exe Token: SeSecurityPrivilege 3304 TiWorker.exe Token: SeBackupPrivilege 3304 TiWorker.exe Token: SeRestorePrivilege 3304 TiWorker.exe Token: SeSecurityPrivilege 3304 TiWorker.exe Token: SeBackupPrivilege 3304 TiWorker.exe Token: SeRestorePrivilege 3304 TiWorker.exe Token: SeSecurityPrivilege 3304 TiWorker.exe Token: SeBackupPrivilege 3304 TiWorker.exe Token: SeRestorePrivilege 3304 TiWorker.exe Token: SeSecurityPrivilege 3304 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3828 wrote to memory of 3484 3828 01e01993368fc49434b8412c2b71abc8ba06b4a52bff45360b624795a5694d18.exe 62 PID 3828 wrote to memory of 3484 3828 01e01993368fc49434b8412c2b71abc8ba06b4a52bff45360b624795a5694d18.exe 62 PID 3828 wrote to memory of 3484 3828 01e01993368fc49434b8412c2b71abc8ba06b4a52bff45360b624795a5694d18.exe 62 PID 3828 wrote to memory of 2076 3828 01e01993368fc49434b8412c2b71abc8ba06b4a52bff45360b624795a5694d18.exe 72 PID 3828 wrote to memory of 2076 3828 01e01993368fc49434b8412c2b71abc8ba06b4a52bff45360b624795a5694d18.exe 72 PID 3828 wrote to memory of 2076 3828 01e01993368fc49434b8412c2b71abc8ba06b4a52bff45360b624795a5694d18.exe 72 PID 2076 wrote to memory of 3688 2076 cmd.exe 74 PID 2076 wrote to memory of 3688 2076 cmd.exe 74 PID 2076 wrote to memory of 3688 2076 cmd.exe 74
Processes
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C:\Users\Admin\AppData\Local\Temp\01e01993368fc49434b8412c2b71abc8ba06b4a52bff45360b624795a5694d18.exe"C:\Users\Admin\AppData\Local\Temp\01e01993368fc49434b8412c2b71abc8ba06b4a52bff45360b624795a5694d18.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3828 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3484
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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\01e01993368fc49434b8412c2b71abc8ba06b4a52bff45360b624795a5694d18.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2076 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3688
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3184
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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:3720
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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:3304