Analysis
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max time kernel
173s -
max time network
182s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 03:40
Static task
static1
Behavioral task
behavioral1
Sample
170705d2fef50e5956c0e20aadf9f88f5d461c7fe6c53203fce3ccf04ea805a6.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
170705d2fef50e5956c0e20aadf9f88f5d461c7fe6c53203fce3ccf04ea805a6.exe
Resource
win10v2004-en-20220112
General
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Target
170705d2fef50e5956c0e20aadf9f88f5d461c7fe6c53203fce3ccf04ea805a6.exe
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Size
176KB
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MD5
22a57765bb828e2f16f50643ac7cfb0f
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SHA1
4b5626d98436af5809e03b71da4461775576e572
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SHA256
170705d2fef50e5956c0e20aadf9f88f5d461c7fe6c53203fce3ccf04ea805a6
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SHA512
2c282c00c50adabf519e9008f49b45fcf1de5d6af6a09f1573ae93ad2e793a03fd77b0b87c86d8465eeaf64f331150abf47d1f97b16d1a61990f08ef36b2396c
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/3600-132-0x0000000000400000-0x0000000000420000-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 1600 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
170705d2fef50e5956c0e20aadf9f88f5d461c7fe6c53203fce3ccf04ea805a6.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 170705d2fef50e5956c0e20aadf9f88f5d461c7fe6c53203fce3ccf04ea805a6.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
170705d2fef50e5956c0e20aadf9f88f5d461c7fe6c53203fce3ccf04ea805a6.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 170705d2fef50e5956c0e20aadf9f88f5d461c7fe6c53203fce3ccf04ea805a6.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 51 IoCs
Processes:
svchost.exedescription ioc process 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\DownlinkUsageBps = "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 = "0.041357" 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\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\DownloadMonthlyRateBkBps = "1157726" 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\NormalDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "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\Config\KVFileExpirationTime = "132892873980392654" 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\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\DownloadMonthlyCdnBytes = "90228624" 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 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\Config\DownloadMode_BackCompat = "1" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "6.470528" 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\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 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 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\UploadMonthlyLanBytes = "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\DownloadMonthlyRateBkCnt = "4" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "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\Config\DODownloadMode = "1" 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\UploadRatePct = "100" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4296" 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\DownloadMonthlyGroupBytes = "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\PriorityDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4068" 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\DownloadMonthlyRateFrBps = "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\DownloadMonthlyCdnBytes = "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\UploadCount = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
170705d2fef50e5956c0e20aadf9f88f5d461c7fe6c53203fce3ccf04ea805a6.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 3600 170705d2fef50e5956c0e20aadf9f88f5d461c7fe6c53203fce3ccf04ea805a6.exe Token: SeSecurityPrivilege 1200 TiWorker.exe Token: SeRestorePrivilege 1200 TiWorker.exe Token: SeBackupPrivilege 1200 TiWorker.exe Token: SeBackupPrivilege 1200 TiWorker.exe Token: SeRestorePrivilege 1200 TiWorker.exe Token: SeSecurityPrivilege 1200 TiWorker.exe Token: SeBackupPrivilege 1200 TiWorker.exe Token: SeRestorePrivilege 1200 TiWorker.exe Token: SeSecurityPrivilege 1200 TiWorker.exe Token: SeBackupPrivilege 1200 TiWorker.exe Token: SeRestorePrivilege 1200 TiWorker.exe Token: SeSecurityPrivilege 1200 TiWorker.exe Token: SeBackupPrivilege 1200 TiWorker.exe Token: SeRestorePrivilege 1200 TiWorker.exe Token: SeSecurityPrivilege 1200 TiWorker.exe Token: SeBackupPrivilege 1200 TiWorker.exe Token: SeRestorePrivilege 1200 TiWorker.exe Token: SeSecurityPrivilege 1200 TiWorker.exe Token: SeBackupPrivilege 1200 TiWorker.exe Token: SeRestorePrivilege 1200 TiWorker.exe Token: SeSecurityPrivilege 1200 TiWorker.exe Token: SeBackupPrivilege 1200 TiWorker.exe Token: SeRestorePrivilege 1200 TiWorker.exe Token: SeSecurityPrivilege 1200 TiWorker.exe Token: SeBackupPrivilege 1200 TiWorker.exe Token: SeRestorePrivilege 1200 TiWorker.exe Token: SeSecurityPrivilege 1200 TiWorker.exe Token: SeBackupPrivilege 1200 TiWorker.exe Token: SeRestorePrivilege 1200 TiWorker.exe Token: SeSecurityPrivilege 1200 TiWorker.exe Token: SeBackupPrivilege 1200 TiWorker.exe Token: SeRestorePrivilege 1200 TiWorker.exe Token: SeSecurityPrivilege 1200 TiWorker.exe Token: SeBackupPrivilege 1200 TiWorker.exe Token: SeRestorePrivilege 1200 TiWorker.exe Token: SeSecurityPrivilege 1200 TiWorker.exe Token: SeBackupPrivilege 1200 TiWorker.exe Token: SeRestorePrivilege 1200 TiWorker.exe Token: SeSecurityPrivilege 1200 TiWorker.exe Token: SeBackupPrivilege 1200 TiWorker.exe Token: SeRestorePrivilege 1200 TiWorker.exe Token: SeSecurityPrivilege 1200 TiWorker.exe Token: SeBackupPrivilege 1200 TiWorker.exe Token: SeRestorePrivilege 1200 TiWorker.exe Token: SeSecurityPrivilege 1200 TiWorker.exe Token: SeBackupPrivilege 1200 TiWorker.exe Token: SeRestorePrivilege 1200 TiWorker.exe Token: SeSecurityPrivilege 1200 TiWorker.exe Token: SeBackupPrivilege 1200 TiWorker.exe Token: SeRestorePrivilege 1200 TiWorker.exe Token: SeSecurityPrivilege 1200 TiWorker.exe Token: SeBackupPrivilege 1200 TiWorker.exe Token: SeRestorePrivilege 1200 TiWorker.exe Token: SeSecurityPrivilege 1200 TiWorker.exe Token: SeBackupPrivilege 1200 TiWorker.exe Token: SeRestorePrivilege 1200 TiWorker.exe Token: SeSecurityPrivilege 1200 TiWorker.exe Token: SeBackupPrivilege 1200 TiWorker.exe Token: SeRestorePrivilege 1200 TiWorker.exe Token: SeSecurityPrivilege 1200 TiWorker.exe Token: SeBackupPrivilege 1200 TiWorker.exe Token: SeRestorePrivilege 1200 TiWorker.exe Token: SeSecurityPrivilege 1200 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
170705d2fef50e5956c0e20aadf9f88f5d461c7fe6c53203fce3ccf04ea805a6.execmd.exedescription pid process target process PID 3600 wrote to memory of 1600 3600 170705d2fef50e5956c0e20aadf9f88f5d461c7fe6c53203fce3ccf04ea805a6.exe MediaCenter.exe PID 3600 wrote to memory of 1600 3600 170705d2fef50e5956c0e20aadf9f88f5d461c7fe6c53203fce3ccf04ea805a6.exe MediaCenter.exe PID 3600 wrote to memory of 1600 3600 170705d2fef50e5956c0e20aadf9f88f5d461c7fe6c53203fce3ccf04ea805a6.exe MediaCenter.exe PID 3600 wrote to memory of 1872 3600 170705d2fef50e5956c0e20aadf9f88f5d461c7fe6c53203fce3ccf04ea805a6.exe cmd.exe PID 3600 wrote to memory of 1872 3600 170705d2fef50e5956c0e20aadf9f88f5d461c7fe6c53203fce3ccf04ea805a6.exe cmd.exe PID 3600 wrote to memory of 1872 3600 170705d2fef50e5956c0e20aadf9f88f5d461c7fe6c53203fce3ccf04ea805a6.exe cmd.exe PID 1872 wrote to memory of 2852 1872 cmd.exe PING.EXE PID 1872 wrote to memory of 2852 1872 cmd.exe PING.EXE PID 1872 wrote to memory of 2852 1872 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\170705d2fef50e5956c0e20aadf9f88f5d461c7fe6c53203fce3ccf04ea805a6.exe"C:\Users\Admin\AppData\Local\Temp\170705d2fef50e5956c0e20aadf9f88f5d461c7fe6c53203fce3ccf04ea805a6.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3600 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1600 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\170705d2fef50e5956c0e20aadf9f88f5d461c7fe6c53203fce3ccf04ea805a6.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1872 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2852
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3272
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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:3088
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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:1200
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
62aedebade0e2c9e412c51ac23fa589f
SHA1eea6e9997a407f3f7ca3a588f57f35a304b40281
SHA256d2d32f83315cbaf89fafb1d8bc54b3991ae95cb68d367616b8ea5384c423d3c3
SHA512fac778689676abcf2dd966df5fb9d23fbf7c86f4420b348e586d42d6489c22ace0f51ffe0ba849f0036f0b2f9765e60749ce71676d367505a3ff6532f11cb992
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MD5
62aedebade0e2c9e412c51ac23fa589f
SHA1eea6e9997a407f3f7ca3a588f57f35a304b40281
SHA256d2d32f83315cbaf89fafb1d8bc54b3991ae95cb68d367616b8ea5384c423d3c3
SHA512fac778689676abcf2dd966df5fb9d23fbf7c86f4420b348e586d42d6489c22ace0f51ffe0ba849f0036f0b2f9765e60749ce71676d367505a3ff6532f11cb992