Analysis
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max time kernel
173s -
max time network
181s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 09:48
Static task
static1
Behavioral task
behavioral1
Sample
090393d6a8fbc2bcf45ba3383d5f12f9c62363afd00335b5099200af70087e20.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
090393d6a8fbc2bcf45ba3383d5f12f9c62363afd00335b5099200af70087e20.exe
Resource
win10v2004-en-20220112
General
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Target
090393d6a8fbc2bcf45ba3383d5f12f9c62363afd00335b5099200af70087e20.exe
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Size
192KB
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MD5
8724fb781e2098113b23b613d8a8401b
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SHA1
f03d71a6ff75f6a5c91fdfe3dd69ff92ed95b68b
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SHA256
090393d6a8fbc2bcf45ba3383d5f12f9c62363afd00335b5099200af70087e20
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SHA512
2435cba75d24d738d399d74e1503fa09b458d0af0eeb163dafe8318529e547703d6ea56f3460b9dcfb2c531402511670c653e2e5ec16b88cdc176c9b953e48cc
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 3220 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
090393d6a8fbc2bcf45ba3383d5f12f9c62363afd00335b5099200af70087e20.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 090393d6a8fbc2bcf45ba3383d5f12f9c62363afd00335b5099200af70087e20.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
090393d6a8fbc2bcf45ba3383d5f12f9c62363afd00335b5099200af70087e20.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 090393d6a8fbc2bcf45ba3383d5f12f9c62363afd00335b5099200af70087e20.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 52 IoCs
Processes:
svchost.exedescription ioc process 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\PeerInfoCount = "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 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 (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\MemoryUsageKB = "4316" 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\CacheSizeBytes = "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\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\NormalDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.331967" 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\Usage\DownloadMonthlyLanBytes = "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\MonthID = "2" 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 = "10.000282" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4172" 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\UploadMonthlyLanBytes = "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\DownloadMonthlyRateBkBps = "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\InternetConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4104" 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\Config\KVFileExpirationTime = "132893099607000603" 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\CDNConnectionCount = "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\PriorityDownloadCount = "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\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\DownloadMonthlyRateFrCnt = "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\LinkLocalConnectionCount = "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\UplinkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3964" 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\DownloadMonthlyRateFrBps = "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\MonthlyUploadRestriction = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.837851" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe090393d6a8fbc2bcf45ba3383d5f12f9c62363afd00335b5099200af70087e20.exedescription pid process Token: SeSecurityPrivilege 2824 TiWorker.exe Token: SeRestorePrivilege 2824 TiWorker.exe Token: SeBackupPrivilege 2824 TiWorker.exe Token: SeBackupPrivilege 2824 TiWorker.exe Token: SeRestorePrivilege 2824 TiWorker.exe Token: SeSecurityPrivilege 2824 TiWorker.exe Token: SeBackupPrivilege 2824 TiWorker.exe Token: SeRestorePrivilege 2824 TiWorker.exe Token: SeSecurityPrivilege 2824 TiWorker.exe Token: SeBackupPrivilege 2824 TiWorker.exe Token: SeRestorePrivilege 2824 TiWorker.exe Token: SeSecurityPrivilege 2824 TiWorker.exe Token: SeBackupPrivilege 2824 TiWorker.exe Token: SeRestorePrivilege 2824 TiWorker.exe Token: SeSecurityPrivilege 2824 TiWorker.exe Token: SeBackupPrivilege 2824 TiWorker.exe Token: SeRestorePrivilege 2824 TiWorker.exe Token: SeSecurityPrivilege 2824 TiWorker.exe Token: SeBackupPrivilege 2824 TiWorker.exe Token: SeRestorePrivilege 2824 TiWorker.exe Token: SeSecurityPrivilege 2824 TiWorker.exe Token: SeBackupPrivilege 2824 TiWorker.exe Token: SeRestorePrivilege 2824 TiWorker.exe Token: SeSecurityPrivilege 2824 TiWorker.exe Token: SeBackupPrivilege 2824 TiWorker.exe Token: SeRestorePrivilege 2824 TiWorker.exe Token: SeSecurityPrivilege 2824 TiWorker.exe Token: SeBackupPrivilege 2824 TiWorker.exe Token: SeRestorePrivilege 2824 TiWorker.exe Token: SeSecurityPrivilege 2824 TiWorker.exe Token: SeBackupPrivilege 2824 TiWorker.exe Token: SeRestorePrivilege 2824 TiWorker.exe Token: SeSecurityPrivilege 2824 TiWorker.exe Token: SeIncBasePriorityPrivilege 1556 090393d6a8fbc2bcf45ba3383d5f12f9c62363afd00335b5099200af70087e20.exe Token: SeBackupPrivilege 2824 TiWorker.exe Token: SeRestorePrivilege 2824 TiWorker.exe Token: SeSecurityPrivilege 2824 TiWorker.exe Token: SeBackupPrivilege 2824 TiWorker.exe Token: SeRestorePrivilege 2824 TiWorker.exe Token: SeSecurityPrivilege 2824 TiWorker.exe Token: SeBackupPrivilege 2824 TiWorker.exe Token: SeRestorePrivilege 2824 TiWorker.exe Token: SeSecurityPrivilege 2824 TiWorker.exe Token: SeBackupPrivilege 2824 TiWorker.exe Token: SeRestorePrivilege 2824 TiWorker.exe Token: SeSecurityPrivilege 2824 TiWorker.exe Token: SeBackupPrivilege 2824 TiWorker.exe Token: SeRestorePrivilege 2824 TiWorker.exe Token: SeSecurityPrivilege 2824 TiWorker.exe Token: SeBackupPrivilege 2824 TiWorker.exe Token: SeRestorePrivilege 2824 TiWorker.exe Token: SeSecurityPrivilege 2824 TiWorker.exe Token: SeBackupPrivilege 2824 TiWorker.exe Token: SeRestorePrivilege 2824 TiWorker.exe Token: SeSecurityPrivilege 2824 TiWorker.exe Token: SeBackupPrivilege 2824 TiWorker.exe Token: SeRestorePrivilege 2824 TiWorker.exe Token: SeSecurityPrivilege 2824 TiWorker.exe Token: SeBackupPrivilege 2824 TiWorker.exe Token: SeRestorePrivilege 2824 TiWorker.exe Token: SeSecurityPrivilege 2824 TiWorker.exe Token: SeBackupPrivilege 2824 TiWorker.exe Token: SeRestorePrivilege 2824 TiWorker.exe Token: SeSecurityPrivilege 2824 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
090393d6a8fbc2bcf45ba3383d5f12f9c62363afd00335b5099200af70087e20.execmd.exedescription pid process target process PID 1556 wrote to memory of 3220 1556 090393d6a8fbc2bcf45ba3383d5f12f9c62363afd00335b5099200af70087e20.exe MediaCenter.exe PID 1556 wrote to memory of 3220 1556 090393d6a8fbc2bcf45ba3383d5f12f9c62363afd00335b5099200af70087e20.exe MediaCenter.exe PID 1556 wrote to memory of 3220 1556 090393d6a8fbc2bcf45ba3383d5f12f9c62363afd00335b5099200af70087e20.exe MediaCenter.exe PID 1556 wrote to memory of 3436 1556 090393d6a8fbc2bcf45ba3383d5f12f9c62363afd00335b5099200af70087e20.exe cmd.exe PID 1556 wrote to memory of 3436 1556 090393d6a8fbc2bcf45ba3383d5f12f9c62363afd00335b5099200af70087e20.exe cmd.exe PID 1556 wrote to memory of 3436 1556 090393d6a8fbc2bcf45ba3383d5f12f9c62363afd00335b5099200af70087e20.exe cmd.exe PID 3436 wrote to memory of 60 3436 cmd.exe PING.EXE PID 3436 wrote to memory of 60 3436 cmd.exe PING.EXE PID 3436 wrote to memory of 60 3436 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\090393d6a8fbc2bcf45ba3383d5f12f9c62363afd00335b5099200af70087e20.exe"C:\Users\Admin\AppData\Local\Temp\090393d6a8fbc2bcf45ba3383d5f12f9c62363afd00335b5099200af70087e20.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1556 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3220 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\090393d6a8fbc2bcf45ba3383d5f12f9c62363afd00335b5099200af70087e20.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3436 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:60
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3384
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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:1244
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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:2824
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
8c1075c20620b25ae55911bf728b9f92
SHA14b133c18827a7095410ee88816f6098acde83f1b
SHA2563e0e533d5909e2b50c983af4c45fa6672ec837cee61e533eaff12a87bcfc6291
SHA512da60d5cee6fd28a9c065429077359e7fcd71fb5d689d40fa41c18ff80988e99d17bdb4f0deb40e94be7614fadddde4a34a01d172a5e481d03f9a763bde056f5d
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
8c1075c20620b25ae55911bf728b9f92
SHA14b133c18827a7095410ee88816f6098acde83f1b
SHA2563e0e533d5909e2b50c983af4c45fa6672ec837cee61e533eaff12a87bcfc6291
SHA512da60d5cee6fd28a9c065429077359e7fcd71fb5d689d40fa41c18ff80988e99d17bdb4f0deb40e94be7614fadddde4a34a01d172a5e481d03f9a763bde056f5d