Analysis
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max time kernel
162s -
max time network
168s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 11:02
Static task
static1
Behavioral task
behavioral1
Sample
0579a348a804a3a640b9702089cd1d0edc965009ac740e708c1405a3647b29c1.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0579a348a804a3a640b9702089cd1d0edc965009ac740e708c1405a3647b29c1.exe
Resource
win10v2004-en-20220112
General
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Target
0579a348a804a3a640b9702089cd1d0edc965009ac740e708c1405a3647b29c1.exe
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Size
99KB
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MD5
ec5409f84fc61d729f8d99fd7c8c95b2
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SHA1
df35f299ee0b2c9fe9505b5c3a8fbef31e086373
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SHA256
0579a348a804a3a640b9702089cd1d0edc965009ac740e708c1405a3647b29c1
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SHA512
569ee36b878f2df9a36562f95afb0abda5aec74057ee11170135839363e8529dac6b02c13da6f88bcedcebd2041a278b278fec8167500c75eaf19401b935f7e4
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 3512 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0579a348a804a3a640b9702089cd1d0edc965009ac740e708c1405a3647b29c1.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0579a348a804a3a640b9702089cd1d0edc965009ac740e708c1405a3647b29c1.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0579a348a804a3a640b9702089cd1d0edc965009ac740e708c1405a3647b29c1.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0579a348a804a3a640b9702089cd1d0edc965009ac740e708c1405a3647b29c1.exe -
Drops file in Windows directory 3 IoCs
Processes:
TiWorker.exesvchost.exedescription 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.
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\UploadRatePct = "100" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000" 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 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\LANConnectionCount = "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\PriorityDownloadCount = "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\DownloadMonthlyInternetBytes = "0" 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\DownloadMonthlyCdnBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2" 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\MemoryUsageKB = "4188" 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\Config\DownloadMode_BackCompat = "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\DownlinkBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.819669" 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\GroupConnectionCount = "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\PriorityDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4072" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893149363544086" 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\DownlinkUsageBps = "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\UploadMonthlyInternetBytes = "0" 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\DownloadMonthlyRateFrBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "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\DownloadMonthlyRateBkBps = "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\Usage 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\SwarmCount = "1" 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\MonthlyUploadRestriction = "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\MemoryUsageKB = "4184" 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\DownloadMonthlyRateBkCnt = "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\CDNConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe0579a348a804a3a640b9702089cd1d0edc965009ac740e708c1405a3647b29c1.exedescription pid process Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeIncBasePriorityPrivilege 2976 0579a348a804a3a640b9702089cd1d0edc965009ac740e708c1405a3647b29c1.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0579a348a804a3a640b9702089cd1d0edc965009ac740e708c1405a3647b29c1.execmd.exedescription pid process target process PID 2976 wrote to memory of 3512 2976 0579a348a804a3a640b9702089cd1d0edc965009ac740e708c1405a3647b29c1.exe MediaCenter.exe PID 2976 wrote to memory of 3512 2976 0579a348a804a3a640b9702089cd1d0edc965009ac740e708c1405a3647b29c1.exe MediaCenter.exe PID 2976 wrote to memory of 3512 2976 0579a348a804a3a640b9702089cd1d0edc965009ac740e708c1405a3647b29c1.exe MediaCenter.exe PID 2976 wrote to memory of 4076 2976 0579a348a804a3a640b9702089cd1d0edc965009ac740e708c1405a3647b29c1.exe cmd.exe PID 2976 wrote to memory of 4076 2976 0579a348a804a3a640b9702089cd1d0edc965009ac740e708c1405a3647b29c1.exe cmd.exe PID 2976 wrote to memory of 4076 2976 0579a348a804a3a640b9702089cd1d0edc965009ac740e708c1405a3647b29c1.exe cmd.exe PID 4076 wrote to memory of 2544 4076 cmd.exe PING.EXE PID 4076 wrote to memory of 2544 4076 cmd.exe PING.EXE PID 4076 wrote to memory of 2544 4076 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0579a348a804a3a640b9702089cd1d0edc965009ac740e708c1405a3647b29c1.exe"C:\Users\Admin\AppData\Local\Temp\0579a348a804a3a640b9702089cd1d0edc965009ac740e708c1405a3647b29c1.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2976 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3512 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0579a348a804a3a640b9702089cd1d0edc965009ac740e708c1405a3647b29c1.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:4076 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2544
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:2640
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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:1448
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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:3972
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
ff4434c803b85fbc20229394246c4384
SHA176060e718f17bee2b73fd0414a8269dd614ffd9d
SHA2563da55984762d8d5bdb7726e47813fb6b9d42e71b028eab09b925d236b83205ee
SHA512c6848502c234ac2eb2933e1fa27cba578acf643434c7f6d1ed134ed834ccac41da9cc1274a949ec09ae1d502c6d622ec2ae7bd416664a7980afc0fbad47d8639
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
ff4434c803b85fbc20229394246c4384
SHA176060e718f17bee2b73fd0414a8269dd614ffd9d
SHA2563da55984762d8d5bdb7726e47813fb6b9d42e71b028eab09b925d236b83205ee
SHA512c6848502c234ac2eb2933e1fa27cba578acf643434c7f6d1ed134ed834ccac41da9cc1274a949ec09ae1d502c6d622ec2ae7bd416664a7980afc0fbad47d8639