Analysis
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max time kernel
163s -
max time network
180s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 04:10
Static task
static1
Behavioral task
behavioral1
Sample
15e0b61576aafd9e34e91c83bb9618c5e796f050633b512c021bd3dc843e170f.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
15e0b61576aafd9e34e91c83bb9618c5e796f050633b512c021bd3dc843e170f.exe
Resource
win10v2004-en-20220112
General
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Target
15e0b61576aafd9e34e91c83bb9618c5e796f050633b512c021bd3dc843e170f.exe
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Size
92KB
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MD5
8e1b5a1a5da347307037019f74dc135a
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SHA1
cc20c6013eb70eacc30ac5e26070c00719267622
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SHA256
15e0b61576aafd9e34e91c83bb9618c5e796f050633b512c021bd3dc843e170f
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SHA512
fbd034c2472eac636301a8166647b241acfe124f14ba01f2e2b8d205b756ae321f35af711cf4909160d3bc5e43e18907aaff3f2e564efeb34aa27f0e06d9e4e8
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 2588 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
15e0b61576aafd9e34e91c83bb9618c5e796f050633b512c021bd3dc843e170f.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 15e0b61576aafd9e34e91c83bb9618c5e796f050633b512c021bd3dc843e170f.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
15e0b61576aafd9e34e91c83bb9618c5e796f050633b512c021bd3dc843e170f.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 15e0b61576aafd9e34e91c83bb9618c5e796f050633b512c021bd3dc843e170f.exe -
Drops file in Windows directory 3 IoCs
Processes:
svchost.exeTiWorker.exedescription 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.
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 49 IoCs
Processes:
svchost.exedescription ioc process 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\CacheSizeBytes = "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\FrDownloadRatePct = "90" 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\SwarmCount = "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\UploadMonthlyInternetBytes = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "12.502841" 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\DownloadMonthlyRateBkBps = "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\UploadRatePct = "100" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.846240" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "6.000120" 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\DownloadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4328" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrBps = "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\DownlinkBps = "0" 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 = "4112" 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\Config\DODownloadMode = "1" 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\NormalDownloadPendingCount = "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\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 (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\DownloadMonthlyRateBkCnt = "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\DownloadMonthlyGroupBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892891051729410" 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\GroupConnectionCount = "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\Usage\DownloadMonthlyLanBytes = "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\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\SwarmCount = "1" 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 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\DownloadMonthlyCdnBytes = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe15e0b61576aafd9e34e91c83bb9618c5e796f050633b512c021bd3dc843e170f.exedescription pid process Token: SeSecurityPrivilege 3148 TiWorker.exe Token: SeRestorePrivilege 3148 TiWorker.exe Token: SeBackupPrivilege 3148 TiWorker.exe Token: SeIncBasePriorityPrivilege 3944 15e0b61576aafd9e34e91c83bb9618c5e796f050633b512c021bd3dc843e170f.exe Token: SeBackupPrivilege 3148 TiWorker.exe Token: SeRestorePrivilege 3148 TiWorker.exe Token: SeSecurityPrivilege 3148 TiWorker.exe Token: SeBackupPrivilege 3148 TiWorker.exe Token: SeRestorePrivilege 3148 TiWorker.exe Token: SeSecurityPrivilege 3148 TiWorker.exe Token: SeBackupPrivilege 3148 TiWorker.exe Token: SeRestorePrivilege 3148 TiWorker.exe Token: SeSecurityPrivilege 3148 TiWorker.exe Token: SeBackupPrivilege 3148 TiWorker.exe Token: SeRestorePrivilege 3148 TiWorker.exe Token: SeSecurityPrivilege 3148 TiWorker.exe Token: SeBackupPrivilege 3148 TiWorker.exe Token: SeRestorePrivilege 3148 TiWorker.exe Token: SeSecurityPrivilege 3148 TiWorker.exe Token: SeBackupPrivilege 3148 TiWorker.exe Token: SeRestorePrivilege 3148 TiWorker.exe Token: SeSecurityPrivilege 3148 TiWorker.exe Token: SeBackupPrivilege 3148 TiWorker.exe Token: SeRestorePrivilege 3148 TiWorker.exe Token: SeSecurityPrivilege 3148 TiWorker.exe Token: SeBackupPrivilege 3148 TiWorker.exe Token: SeRestorePrivilege 3148 TiWorker.exe Token: SeSecurityPrivilege 3148 TiWorker.exe Token: SeBackupPrivilege 3148 TiWorker.exe Token: SeRestorePrivilege 3148 TiWorker.exe Token: SeSecurityPrivilege 3148 TiWorker.exe Token: SeBackupPrivilege 3148 TiWorker.exe Token: SeRestorePrivilege 3148 TiWorker.exe Token: SeSecurityPrivilege 3148 TiWorker.exe Token: SeBackupPrivilege 3148 TiWorker.exe Token: SeRestorePrivilege 3148 TiWorker.exe Token: SeSecurityPrivilege 3148 TiWorker.exe Token: SeBackupPrivilege 3148 TiWorker.exe Token: SeRestorePrivilege 3148 TiWorker.exe Token: SeSecurityPrivilege 3148 TiWorker.exe Token: SeBackupPrivilege 3148 TiWorker.exe Token: SeRestorePrivilege 3148 TiWorker.exe Token: SeSecurityPrivilege 3148 TiWorker.exe Token: SeBackupPrivilege 3148 TiWorker.exe Token: SeRestorePrivilege 3148 TiWorker.exe Token: SeSecurityPrivilege 3148 TiWorker.exe Token: SeBackupPrivilege 3148 TiWorker.exe Token: SeRestorePrivilege 3148 TiWorker.exe Token: SeSecurityPrivilege 3148 TiWorker.exe Token: SeBackupPrivilege 3148 TiWorker.exe Token: SeRestorePrivilege 3148 TiWorker.exe Token: SeSecurityPrivilege 3148 TiWorker.exe Token: SeBackupPrivilege 3148 TiWorker.exe Token: SeRestorePrivilege 3148 TiWorker.exe Token: SeSecurityPrivilege 3148 TiWorker.exe Token: SeBackupPrivilege 3148 TiWorker.exe Token: SeRestorePrivilege 3148 TiWorker.exe Token: SeSecurityPrivilege 3148 TiWorker.exe Token: SeBackupPrivilege 3148 TiWorker.exe Token: SeRestorePrivilege 3148 TiWorker.exe Token: SeSecurityPrivilege 3148 TiWorker.exe Token: SeBackupPrivilege 3148 TiWorker.exe Token: SeRestorePrivilege 3148 TiWorker.exe Token: SeSecurityPrivilege 3148 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
15e0b61576aafd9e34e91c83bb9618c5e796f050633b512c021bd3dc843e170f.execmd.exedescription pid process target process PID 3944 wrote to memory of 2588 3944 15e0b61576aafd9e34e91c83bb9618c5e796f050633b512c021bd3dc843e170f.exe MediaCenter.exe PID 3944 wrote to memory of 2588 3944 15e0b61576aafd9e34e91c83bb9618c5e796f050633b512c021bd3dc843e170f.exe MediaCenter.exe PID 3944 wrote to memory of 2588 3944 15e0b61576aafd9e34e91c83bb9618c5e796f050633b512c021bd3dc843e170f.exe MediaCenter.exe PID 3944 wrote to memory of 1840 3944 15e0b61576aafd9e34e91c83bb9618c5e796f050633b512c021bd3dc843e170f.exe cmd.exe PID 3944 wrote to memory of 1840 3944 15e0b61576aafd9e34e91c83bb9618c5e796f050633b512c021bd3dc843e170f.exe cmd.exe PID 3944 wrote to memory of 1840 3944 15e0b61576aafd9e34e91c83bb9618c5e796f050633b512c021bd3dc843e170f.exe cmd.exe PID 1840 wrote to memory of 4012 1840 cmd.exe PING.EXE PID 1840 wrote to memory of 4012 1840 cmd.exe PING.EXE PID 1840 wrote to memory of 4012 1840 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\15e0b61576aafd9e34e91c83bb9618c5e796f050633b512c021bd3dc843e170f.exe"C:\Users\Admin\AppData\Local\Temp\15e0b61576aafd9e34e91c83bb9618c5e796f050633b512c021bd3dc843e170f.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3944 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2588 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\15e0b61576aafd9e34e91c83bb9618c5e796f050633b512c021bd3dc843e170f.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1840 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:4012
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3768
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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:3056
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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:3148
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
48eb8bfdafb3bdf86702801c75518d00
SHA1fe7bd372eda2fc9da4be0c1bd4b219259e8a26c3
SHA2569273ce9efce0f3c45a285ab81cefc5862e9bde630b4400e3f1ad9356fa27db5a
SHA512ce62be88e3411e7fde859ea6724bb2179deb05b7ade4caf98047f3fe923ddc471cbb3c8a3dee2d23bf9df6369ec2714c0c61be531bfd69cf5e20a861214b45a9
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MD5
48eb8bfdafb3bdf86702801c75518d00
SHA1fe7bd372eda2fc9da4be0c1bd4b219259e8a26c3
SHA2569273ce9efce0f3c45a285ab81cefc5862e9bde630b4400e3f1ad9356fa27db5a
SHA512ce62be88e3411e7fde859ea6724bb2179deb05b7ade4caf98047f3fe923ddc471cbb3c8a3dee2d23bf9df6369ec2714c0c61be531bfd69cf5e20a861214b45a9