Analysis
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max time kernel
169s -
max time network
176s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 05:47
Static task
static1
Behavioral task
behavioral1
Sample
11b54c88debecad0789e9c753bc5ebfcaa8f2a935e5358b0e1d372469d444dc3.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
11b54c88debecad0789e9c753bc5ebfcaa8f2a935e5358b0e1d372469d444dc3.exe
Resource
win10v2004-en-20220112
General
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Target
11b54c88debecad0789e9c753bc5ebfcaa8f2a935e5358b0e1d372469d444dc3.exe
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Size
216KB
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MD5
654fc7b83187f96c87ca823a620b4919
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SHA1
ef94d8033dbb5f92a3fb2c34039eea465292e7f6
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SHA256
11b54c88debecad0789e9c753bc5ebfcaa8f2a935e5358b0e1d372469d444dc3
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SHA512
ef60ad31940924c122aa393ea07e76180aeaa096530dda3380a73b39719a02551403a994d471da542ee871ad7434eceeaf19f16b48bd87c14e586ff245c10a9b
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/2612-132-0x0000000000400000-0x0000000000420000-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 636 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
11b54c88debecad0789e9c753bc5ebfcaa8f2a935e5358b0e1d372469d444dc3.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 11b54c88debecad0789e9c753bc5ebfcaa8f2a935e5358b0e1d372469d444dc3.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
11b54c88debecad0789e9c753bc5ebfcaa8f2a935e5358b0e1d372469d444dc3.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 11b54c88debecad0789e9c753bc5ebfcaa8f2a935e5358b0e1d372469d444dc3.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 51 IoCs
Processes:
svchost.exedescription ioc process 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\LinkLocalConnectionCount = "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 (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000" 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\DownloadMonthlyLanBytes = "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\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\MemoryUsageKB = "4108" 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 = "132892949019822359" 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\UploadRatePct = "100" 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 = "3.332988" 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\DownloadMonthlyRateFrCnt = "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\DownlinkBps = "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 (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\DownloadMonthlyCdnBytes = "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\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 (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 (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\SwarmCount = "1" 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\Config\DODownloadMode = "1" 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\NormalDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4312" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.026396" 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\DownloadMonthlyRateBkBps = "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\PriorityDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3976" 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\UploadMonthlyInternetBytes = "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\DownloadMonthlyLinkLocalBytes = "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\GroupConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.787647" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe11b54c88debecad0789e9c753bc5ebfcaa8f2a935e5358b0e1d372469d444dc3.exedescription pid process Token: SeSecurityPrivilege 1616 TiWorker.exe Token: SeRestorePrivilege 1616 TiWorker.exe Token: SeBackupPrivilege 1616 TiWorker.exe Token: SeBackupPrivilege 1616 TiWorker.exe Token: SeRestorePrivilege 1616 TiWorker.exe Token: SeSecurityPrivilege 1616 TiWorker.exe Token: SeBackupPrivilege 1616 TiWorker.exe Token: SeRestorePrivilege 1616 TiWorker.exe Token: SeSecurityPrivilege 1616 TiWorker.exe Token: SeBackupPrivilege 1616 TiWorker.exe Token: SeRestorePrivilege 1616 TiWorker.exe Token: SeSecurityPrivilege 1616 TiWorker.exe Token: SeBackupPrivilege 1616 TiWorker.exe Token: SeRestorePrivilege 1616 TiWorker.exe Token: SeSecurityPrivilege 1616 TiWorker.exe Token: SeBackupPrivilege 1616 TiWorker.exe Token: SeRestorePrivilege 1616 TiWorker.exe Token: SeSecurityPrivilege 1616 TiWorker.exe Token: SeBackupPrivilege 1616 TiWorker.exe Token: SeRestorePrivilege 1616 TiWorker.exe Token: SeSecurityPrivilege 1616 TiWorker.exe Token: SeBackupPrivilege 1616 TiWorker.exe Token: SeRestorePrivilege 1616 TiWorker.exe Token: SeSecurityPrivilege 1616 TiWorker.exe Token: SeBackupPrivilege 1616 TiWorker.exe Token: SeRestorePrivilege 1616 TiWorker.exe Token: SeSecurityPrivilege 1616 TiWorker.exe Token: SeBackupPrivilege 1616 TiWorker.exe Token: SeRestorePrivilege 1616 TiWorker.exe Token: SeSecurityPrivilege 1616 TiWorker.exe Token: SeBackupPrivilege 1616 TiWorker.exe Token: SeRestorePrivilege 1616 TiWorker.exe Token: SeSecurityPrivilege 1616 TiWorker.exe Token: SeIncBasePriorityPrivilege 2612 11b54c88debecad0789e9c753bc5ebfcaa8f2a935e5358b0e1d372469d444dc3.exe Token: SeBackupPrivilege 1616 TiWorker.exe Token: SeRestorePrivilege 1616 TiWorker.exe Token: SeSecurityPrivilege 1616 TiWorker.exe Token: SeBackupPrivilege 1616 TiWorker.exe Token: SeRestorePrivilege 1616 TiWorker.exe Token: SeSecurityPrivilege 1616 TiWorker.exe Token: SeBackupPrivilege 1616 TiWorker.exe Token: SeRestorePrivilege 1616 TiWorker.exe Token: SeSecurityPrivilege 1616 TiWorker.exe Token: SeBackupPrivilege 1616 TiWorker.exe Token: SeRestorePrivilege 1616 TiWorker.exe Token: SeSecurityPrivilege 1616 TiWorker.exe Token: SeBackupPrivilege 1616 TiWorker.exe Token: SeRestorePrivilege 1616 TiWorker.exe Token: SeSecurityPrivilege 1616 TiWorker.exe Token: SeBackupPrivilege 1616 TiWorker.exe Token: SeRestorePrivilege 1616 TiWorker.exe Token: SeSecurityPrivilege 1616 TiWorker.exe Token: SeBackupPrivilege 1616 TiWorker.exe Token: SeRestorePrivilege 1616 TiWorker.exe Token: SeSecurityPrivilege 1616 TiWorker.exe Token: SeBackupPrivilege 1616 TiWorker.exe Token: SeRestorePrivilege 1616 TiWorker.exe Token: SeSecurityPrivilege 1616 TiWorker.exe Token: SeBackupPrivilege 1616 TiWorker.exe Token: SeRestorePrivilege 1616 TiWorker.exe Token: SeSecurityPrivilege 1616 TiWorker.exe Token: SeBackupPrivilege 1616 TiWorker.exe Token: SeRestorePrivilege 1616 TiWorker.exe Token: SeSecurityPrivilege 1616 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
11b54c88debecad0789e9c753bc5ebfcaa8f2a935e5358b0e1d372469d444dc3.execmd.exedescription pid process target process PID 2612 wrote to memory of 636 2612 11b54c88debecad0789e9c753bc5ebfcaa8f2a935e5358b0e1d372469d444dc3.exe MediaCenter.exe PID 2612 wrote to memory of 636 2612 11b54c88debecad0789e9c753bc5ebfcaa8f2a935e5358b0e1d372469d444dc3.exe MediaCenter.exe PID 2612 wrote to memory of 636 2612 11b54c88debecad0789e9c753bc5ebfcaa8f2a935e5358b0e1d372469d444dc3.exe MediaCenter.exe PID 2612 wrote to memory of 2516 2612 11b54c88debecad0789e9c753bc5ebfcaa8f2a935e5358b0e1d372469d444dc3.exe cmd.exe PID 2612 wrote to memory of 2516 2612 11b54c88debecad0789e9c753bc5ebfcaa8f2a935e5358b0e1d372469d444dc3.exe cmd.exe PID 2612 wrote to memory of 2516 2612 11b54c88debecad0789e9c753bc5ebfcaa8f2a935e5358b0e1d372469d444dc3.exe cmd.exe PID 2516 wrote to memory of 1848 2516 cmd.exe PING.EXE PID 2516 wrote to memory of 1848 2516 cmd.exe PING.EXE PID 2516 wrote to memory of 1848 2516 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\11b54c88debecad0789e9c753bc5ebfcaa8f2a935e5358b0e1d372469d444dc3.exe"C:\Users\Admin\AppData\Local\Temp\11b54c88debecad0789e9c753bc5ebfcaa8f2a935e5358b0e1d372469d444dc3.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2612 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:636 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\11b54c88debecad0789e9c753bc5ebfcaa8f2a935e5358b0e1d372469d444dc3.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2516 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1848
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:968
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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:2196
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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:1616
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
404b82563d99118f9842024a2e2e586c
SHA1a74d2ca3c5b77078298e1ac0b0cb159258a4baeb
SHA2569ac826e605b2708317bf77de6b15808ac37d3854c1e0224afbd92a7a0b46ba0c
SHA51236debb849ec385f9a1efd05c48de31b173d7b9212f91970432351e2be9f2b6e47757846f0c97684a74497dc588cf0fcef2fc52b41df59947919c343eb788a7d5
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MD5
404b82563d99118f9842024a2e2e586c
SHA1a74d2ca3c5b77078298e1ac0b0cb159258a4baeb
SHA2569ac826e605b2708317bf77de6b15808ac37d3854c1e0224afbd92a7a0b46ba0c
SHA51236debb849ec385f9a1efd05c48de31b173d7b9212f91970432351e2be9f2b6e47757846f0c97684a74497dc588cf0fcef2fc52b41df59947919c343eb788a7d5