Analysis
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max time kernel
147s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 08:27
Static task
static1
Behavioral task
behavioral1
Sample
0b08126ffaeaed0947de145124b115de47670ecb90b1fff856db0142c6979a81.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0b08126ffaeaed0947de145124b115de47670ecb90b1fff856db0142c6979a81.exe
Resource
win10v2004-en-20220112
General
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Target
0b08126ffaeaed0947de145124b115de47670ecb90b1fff856db0142c6979a81.exe
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Size
216KB
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MD5
dc357d6894e10dd05afa94c04caad009
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SHA1
907985a922d4cb66b60fcf7934b60e7d2b99a3e0
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SHA256
0b08126ffaeaed0947de145124b115de47670ecb90b1fff856db0142c6979a81
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SHA512
cb0997745527b0ca4220e9312ff08229fdcd958e24c6744d46a712f66e67c6e86f0e9cf7a90dd1ae62aff824427ccd4aab24ad03ff145c3ee4b9adc740b9f6c6
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/3260-132-0x0000000000400000-0x0000000000420000-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 1860 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0b08126ffaeaed0947de145124b115de47670ecb90b1fff856db0142c6979a81.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0b08126ffaeaed0947de145124b115de47670ecb90b1fff856db0142c6979a81.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0b08126ffaeaed0947de145124b115de47670ecb90b1fff856db0142c6979a81.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0b08126ffaeaed0947de145124b115de47670ecb90b1fff856db0142c6979a81.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 52 IoCs
Processes:
svchost.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.384910" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "16.663592" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.012970" 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\DownloadMonthlyCacheHostBytes = "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\DownloadMonthlyRateFrBps = "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\NormalDownloadCount = "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\Usage\MemoryUsageKB = "4084" 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\MemoryUsageKB = "3940" 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\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\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\PeerInfoCount = "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\CacheSizeBytes = "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\UplinkBps = "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\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\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 (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\CDNConnectionCount = "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\BkDownloadRatePct = "45" 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\UploadMonthlyInternetBytes = "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\DownlinkBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.039588" 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 (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\DownloadMonthlyRateBkCnt = "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\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\DownloadMonthlyCdnBytes = "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\Config\KVFileExpirationTime = "132893046206846562" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe0b08126ffaeaed0947de145124b115de47670ecb90b1fff856db0142c6979a81.exedescription pid process Token: SeSecurityPrivilege 3928 TiWorker.exe Token: SeRestorePrivilege 3928 TiWorker.exe Token: SeBackupPrivilege 3928 TiWorker.exe Token: SeBackupPrivilege 3928 TiWorker.exe Token: SeRestorePrivilege 3928 TiWorker.exe Token: SeSecurityPrivilege 3928 TiWorker.exe Token: SeBackupPrivilege 3928 TiWorker.exe Token: SeRestorePrivilege 3928 TiWorker.exe Token: SeSecurityPrivilege 3928 TiWorker.exe Token: SeBackupPrivilege 3928 TiWorker.exe Token: SeRestorePrivilege 3928 TiWorker.exe Token: SeSecurityPrivilege 3928 TiWorker.exe Token: SeBackupPrivilege 3928 TiWorker.exe Token: SeRestorePrivilege 3928 TiWorker.exe Token: SeSecurityPrivilege 3928 TiWorker.exe Token: SeBackupPrivilege 3928 TiWorker.exe Token: SeRestorePrivilege 3928 TiWorker.exe Token: SeSecurityPrivilege 3928 TiWorker.exe Token: SeBackupPrivilege 3928 TiWorker.exe Token: SeRestorePrivilege 3928 TiWorker.exe Token: SeSecurityPrivilege 3928 TiWorker.exe Token: SeIncBasePriorityPrivilege 3260 0b08126ffaeaed0947de145124b115de47670ecb90b1fff856db0142c6979a81.exe Token: SeBackupPrivilege 3928 TiWorker.exe Token: SeRestorePrivilege 3928 TiWorker.exe Token: SeSecurityPrivilege 3928 TiWorker.exe Token: SeBackupPrivilege 3928 TiWorker.exe Token: SeRestorePrivilege 3928 TiWorker.exe Token: SeSecurityPrivilege 3928 TiWorker.exe Token: SeBackupPrivilege 3928 TiWorker.exe Token: SeRestorePrivilege 3928 TiWorker.exe Token: SeSecurityPrivilege 3928 TiWorker.exe Token: SeBackupPrivilege 3928 TiWorker.exe Token: SeRestorePrivilege 3928 TiWorker.exe Token: SeSecurityPrivilege 3928 TiWorker.exe Token: SeBackupPrivilege 3928 TiWorker.exe Token: SeRestorePrivilege 3928 TiWorker.exe Token: SeSecurityPrivilege 3928 TiWorker.exe Token: SeBackupPrivilege 3928 TiWorker.exe Token: SeRestorePrivilege 3928 TiWorker.exe Token: SeSecurityPrivilege 3928 TiWorker.exe Token: SeBackupPrivilege 3928 TiWorker.exe Token: SeRestorePrivilege 3928 TiWorker.exe Token: SeSecurityPrivilege 3928 TiWorker.exe Token: SeBackupPrivilege 3928 TiWorker.exe Token: SeRestorePrivilege 3928 TiWorker.exe Token: SeSecurityPrivilege 3928 TiWorker.exe Token: SeBackupPrivilege 3928 TiWorker.exe Token: SeRestorePrivilege 3928 TiWorker.exe Token: SeSecurityPrivilege 3928 TiWorker.exe Token: SeBackupPrivilege 3928 TiWorker.exe Token: SeRestorePrivilege 3928 TiWorker.exe Token: SeSecurityPrivilege 3928 TiWorker.exe Token: SeBackupPrivilege 3928 TiWorker.exe Token: SeRestorePrivilege 3928 TiWorker.exe Token: SeSecurityPrivilege 3928 TiWorker.exe Token: SeBackupPrivilege 3928 TiWorker.exe Token: SeRestorePrivilege 3928 TiWorker.exe Token: SeSecurityPrivilege 3928 TiWorker.exe Token: SeBackupPrivilege 3928 TiWorker.exe Token: SeRestorePrivilege 3928 TiWorker.exe Token: SeSecurityPrivilege 3928 TiWorker.exe Token: SeBackupPrivilege 3928 TiWorker.exe Token: SeRestorePrivilege 3928 TiWorker.exe Token: SeSecurityPrivilege 3928 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0b08126ffaeaed0947de145124b115de47670ecb90b1fff856db0142c6979a81.execmd.exedescription pid process target process PID 3260 wrote to memory of 1860 3260 0b08126ffaeaed0947de145124b115de47670ecb90b1fff856db0142c6979a81.exe MediaCenter.exe PID 3260 wrote to memory of 1860 3260 0b08126ffaeaed0947de145124b115de47670ecb90b1fff856db0142c6979a81.exe MediaCenter.exe PID 3260 wrote to memory of 1860 3260 0b08126ffaeaed0947de145124b115de47670ecb90b1fff856db0142c6979a81.exe MediaCenter.exe PID 3260 wrote to memory of 3676 3260 0b08126ffaeaed0947de145124b115de47670ecb90b1fff856db0142c6979a81.exe cmd.exe PID 3260 wrote to memory of 3676 3260 0b08126ffaeaed0947de145124b115de47670ecb90b1fff856db0142c6979a81.exe cmd.exe PID 3260 wrote to memory of 3676 3260 0b08126ffaeaed0947de145124b115de47670ecb90b1fff856db0142c6979a81.exe cmd.exe PID 3676 wrote to memory of 3148 3676 cmd.exe PING.EXE PID 3676 wrote to memory of 3148 3676 cmd.exe PING.EXE PID 3676 wrote to memory of 3148 3676 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0b08126ffaeaed0947de145124b115de47670ecb90b1fff856db0142c6979a81.exe"C:\Users\Admin\AppData\Local\Temp\0b08126ffaeaed0947de145124b115de47670ecb90b1fff856db0142c6979a81.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3260 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1860 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0b08126ffaeaed0947de145124b115de47670ecb90b1fff856db0142c6979a81.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3676 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3148
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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:3976
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3764
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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:3928
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
bfd19a7c70e89914cac9dc554a01df57
SHA1b1750d64964ae4bf27a191de1a13d8bb7dc515a0
SHA2569eedc1a7e3a94d26185a60c2587e18b569685be010830671695011aaf2401bca
SHA5122e2d23d04be2193d3bc592fa95203167e81efef5ee535659226bcb112846f5e6c9b831debf051bd73d45bc437a2587cd769a5c05ae2e18fa2ca3aa4f20939c91
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
bfd19a7c70e89914cac9dc554a01df57
SHA1b1750d64964ae4bf27a191de1a13d8bb7dc515a0
SHA2569eedc1a7e3a94d26185a60c2587e18b569685be010830671695011aaf2401bca
SHA5122e2d23d04be2193d3bc592fa95203167e81efef5ee535659226bcb112846f5e6c9b831debf051bd73d45bc437a2587cd769a5c05ae2e18fa2ca3aa4f20939c91
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memory/3260-132-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB