Analysis
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max time kernel
155s -
max time network
159s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 09:51
Static task
static1
Behavioral task
behavioral1
Sample
08dd3825c08adb2e823c1a4f12c039234b5d942ea31bba3f218c7fbd14f96c6d.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
08dd3825c08adb2e823c1a4f12c039234b5d942ea31bba3f218c7fbd14f96c6d.exe
Resource
win10v2004-en-20220112
General
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Target
08dd3825c08adb2e823c1a4f12c039234b5d942ea31bba3f218c7fbd14f96c6d.exe
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Size
176KB
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MD5
68fea6090a26a4ef12d4f6a2906fd06d
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SHA1
1318f5d33e6d1b757205c8264a80f5d1534f4339
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SHA256
08dd3825c08adb2e823c1a4f12c039234b5d942ea31bba3f218c7fbd14f96c6d
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SHA512
8941f567d003644055c742903a9c62c3c8ffca0a126dcce17782cecd3ce5766dc938a3e8b00c044e3419493cca322e2598578e56be0306bccef68e4a53e68144
Malware Config
Signatures
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Sakula Payload 3 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 behavioral2/memory/452-132-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula -
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
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suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 1192 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
08dd3825c08adb2e823c1a4f12c039234b5d942ea31bba3f218c7fbd14f96c6d.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 08dd3825c08adb2e823c1a4f12c039234b5d942ea31bba3f218c7fbd14f96c6d.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
08dd3825c08adb2e823c1a4f12c039234b5d942ea31bba3f218c7fbd14f96c6d.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 08dd3825c08adb2e823c1a4f12c039234b5d942ea31bba3f218c7fbd14f96c6d.exe -
Drops file in Windows directory 3 IoCs
Processes:
TiWorker.exesvchost.exedescription ioc process File opened for modification C:\Windows\Logs\CBS\CBS.log 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\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 (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\CacheSizeBytes = "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\GroupConnectionCount = "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\DownloadMonthlyLinkLocalBytes = "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\DownloadMonthlyRateFrCnt = "0" 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\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\MemoryUsageKB = "4080" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4216" 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\PriorityDownloadCount = "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\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\DownloadMonthlyRateBkCnt = "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\DownlinkUsageBps = "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\Config\DownloadMode_BackCompat = "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\DownloadMonthlyLanBytes = "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\UploadCount = "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\DownloadMonthlyInternetBytes = "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\Config\KVFileExpirationTime = "132893103518074043" 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\Config\DODownloadMode = "1" 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\DownloadMonthlyCdnBytes = "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\DownloadMonthlyRateBkBps = "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\MonthlyUploadRestriction = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.347228" 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\CDNConnectionCount = "0" 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 = "0.000000" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.180636" 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\UplinkUsageBps = "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 -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
08dd3825c08adb2e823c1a4f12c039234b5d942ea31bba3f218c7fbd14f96c6d.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 452 08dd3825c08adb2e823c1a4f12c039234b5d942ea31bba3f218c7fbd14f96c6d.exe Token: SeSecurityPrivilege 3840 TiWorker.exe Token: SeRestorePrivilege 3840 TiWorker.exe Token: SeBackupPrivilege 3840 TiWorker.exe Token: SeBackupPrivilege 3840 TiWorker.exe Token: SeRestorePrivilege 3840 TiWorker.exe Token: SeSecurityPrivilege 3840 TiWorker.exe Token: SeBackupPrivilege 3840 TiWorker.exe Token: SeRestorePrivilege 3840 TiWorker.exe Token: SeSecurityPrivilege 3840 TiWorker.exe Token: SeBackupPrivilege 3840 TiWorker.exe Token: SeRestorePrivilege 3840 TiWorker.exe Token: SeSecurityPrivilege 3840 TiWorker.exe Token: SeBackupPrivilege 3840 TiWorker.exe Token: SeRestorePrivilege 3840 TiWorker.exe Token: SeSecurityPrivilege 3840 TiWorker.exe Token: SeBackupPrivilege 3840 TiWorker.exe Token: SeRestorePrivilege 3840 TiWorker.exe Token: SeSecurityPrivilege 3840 TiWorker.exe Token: SeBackupPrivilege 3840 TiWorker.exe Token: SeRestorePrivilege 3840 TiWorker.exe Token: SeSecurityPrivilege 3840 TiWorker.exe Token: SeBackupPrivilege 3840 TiWorker.exe Token: SeRestorePrivilege 3840 TiWorker.exe Token: SeSecurityPrivilege 3840 TiWorker.exe Token: SeBackupPrivilege 3840 TiWorker.exe Token: SeRestorePrivilege 3840 TiWorker.exe Token: SeSecurityPrivilege 3840 TiWorker.exe Token: SeBackupPrivilege 3840 TiWorker.exe Token: SeRestorePrivilege 3840 TiWorker.exe Token: SeSecurityPrivilege 3840 TiWorker.exe Token: SeBackupPrivilege 3840 TiWorker.exe Token: SeRestorePrivilege 3840 TiWorker.exe Token: SeSecurityPrivilege 3840 TiWorker.exe Token: SeBackupPrivilege 3840 TiWorker.exe Token: SeRestorePrivilege 3840 TiWorker.exe Token: SeSecurityPrivilege 3840 TiWorker.exe Token: SeBackupPrivilege 3840 TiWorker.exe Token: SeRestorePrivilege 3840 TiWorker.exe Token: SeSecurityPrivilege 3840 TiWorker.exe Token: SeBackupPrivilege 3840 TiWorker.exe Token: SeRestorePrivilege 3840 TiWorker.exe Token: SeSecurityPrivilege 3840 TiWorker.exe Token: SeBackupPrivilege 3840 TiWorker.exe Token: SeRestorePrivilege 3840 TiWorker.exe Token: SeSecurityPrivilege 3840 TiWorker.exe Token: SeBackupPrivilege 3840 TiWorker.exe Token: SeRestorePrivilege 3840 TiWorker.exe Token: SeSecurityPrivilege 3840 TiWorker.exe Token: SeBackupPrivilege 3840 TiWorker.exe Token: SeRestorePrivilege 3840 TiWorker.exe Token: SeSecurityPrivilege 3840 TiWorker.exe Token: SeBackupPrivilege 3840 TiWorker.exe Token: SeRestorePrivilege 3840 TiWorker.exe Token: SeSecurityPrivilege 3840 TiWorker.exe Token: SeBackupPrivilege 3840 TiWorker.exe Token: SeRestorePrivilege 3840 TiWorker.exe Token: SeSecurityPrivilege 3840 TiWorker.exe Token: SeBackupPrivilege 3840 TiWorker.exe Token: SeRestorePrivilege 3840 TiWorker.exe Token: SeSecurityPrivilege 3840 TiWorker.exe Token: SeBackupPrivilege 3840 TiWorker.exe Token: SeRestorePrivilege 3840 TiWorker.exe Token: SeSecurityPrivilege 3840 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
08dd3825c08adb2e823c1a4f12c039234b5d942ea31bba3f218c7fbd14f96c6d.execmd.exedescription pid process target process PID 452 wrote to memory of 1192 452 08dd3825c08adb2e823c1a4f12c039234b5d942ea31bba3f218c7fbd14f96c6d.exe MediaCenter.exe PID 452 wrote to memory of 1192 452 08dd3825c08adb2e823c1a4f12c039234b5d942ea31bba3f218c7fbd14f96c6d.exe MediaCenter.exe PID 452 wrote to memory of 1192 452 08dd3825c08adb2e823c1a4f12c039234b5d942ea31bba3f218c7fbd14f96c6d.exe MediaCenter.exe PID 452 wrote to memory of 504 452 08dd3825c08adb2e823c1a4f12c039234b5d942ea31bba3f218c7fbd14f96c6d.exe cmd.exe PID 452 wrote to memory of 504 452 08dd3825c08adb2e823c1a4f12c039234b5d942ea31bba3f218c7fbd14f96c6d.exe cmd.exe PID 452 wrote to memory of 504 452 08dd3825c08adb2e823c1a4f12c039234b5d942ea31bba3f218c7fbd14f96c6d.exe cmd.exe PID 504 wrote to memory of 3904 504 cmd.exe PING.EXE PID 504 wrote to memory of 3904 504 cmd.exe PING.EXE PID 504 wrote to memory of 3904 504 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\08dd3825c08adb2e823c1a4f12c039234b5d942ea31bba3f218c7fbd14f96c6d.exe"C:\Users\Admin\AppData\Local\Temp\08dd3825c08adb2e823c1a4f12c039234b5d942ea31bba3f218c7fbd14f96c6d.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:452 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1192 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\08dd3825c08adb2e823c1a4f12c039234b5d942ea31bba3f218c7fbd14f96c6d.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:504 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3904
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:1576
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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:1924
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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:3840
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
2516e1fc232800845129a0505300680e
SHA1340c01428e8167d4b5f4dd8b3a920c9e17293333
SHA2560b6087e3966333272ab773c724853bbf1e3380cfcd1e08f951209a2172b1c640
SHA5124d768f45c465e92707893bfa639a1756756b82d23c3e6bf95e4b917ea2ceadd1a381b2dc1584bf9235450fd5b6efe23f51d0fdac775dd04c5c5ac4333afdb2ef
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
2516e1fc232800845129a0505300680e
SHA1340c01428e8167d4b5f4dd8b3a920c9e17293333
SHA2560b6087e3966333272ab773c724853bbf1e3380cfcd1e08f951209a2172b1c640
SHA5124d768f45c465e92707893bfa639a1756756b82d23c3e6bf95e4b917ea2ceadd1a381b2dc1584bf9235450fd5b6efe23f51d0fdac775dd04c5c5ac4333afdb2ef
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memory/452-132-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB