Analysis
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max time kernel
161s -
max time network
178s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 12:03
Static task
static1
Behavioral task
behavioral1
Sample
0293b23c5ce17c34b0373bddd4f3ff03e9abd2a88816fb4d87eb5a61745af836.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0293b23c5ce17c34b0373bddd4f3ff03e9abd2a88816fb4d87eb5a61745af836.exe
Resource
win10v2004-en-20220112
General
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Target
0293b23c5ce17c34b0373bddd4f3ff03e9abd2a88816fb4d87eb5a61745af836.exe
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Size
216KB
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MD5
2bd394aef3becbf778964d64663c6201
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SHA1
147c708e0d1fd203e1db0ab728b08f503777a2e9
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SHA256
0293b23c5ce17c34b0373bddd4f3ff03e9abd2a88816fb4d87eb5a61745af836
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SHA512
1acf4a30cff5bfd384b1617188f4ec8191c4c0cb9cfb03423547317abac9e3848ae692f78566bd078b2d9bc17fd5bf5b2b36a4d766c7a0c3411ed7904255299d
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/864-132-0x0000000000400000-0x0000000000420000-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 2956 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0293b23c5ce17c34b0373bddd4f3ff03e9abd2a88816fb4d87eb5a61745af836.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0293b23c5ce17c34b0373bddd4f3ff03e9abd2a88816fb4d87eb5a61745af836.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0293b23c5ce17c34b0373bddd4f3ff03e9abd2a88816fb4d87eb5a61745af836.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0293b23c5ce17c34b0373bddd4f3ff03e9abd2a88816fb4d87eb5a61745af836.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\WinSxS\pending.xml TiWorker.exe File opened for modification C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat svchost.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 50 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\LinkLocalConnectionCount = "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\PriorityDownloadPendingCount = "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\DownloadMonthlyInternetBytes = "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\DownlinkUsageBps = "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\SwarmCount = "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\DownloadMonthlyRateBkCnt = "0" 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 = "0.242383" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.058571" 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\GroupConnectionCount = "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\NormalDownloadCount = "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\MonthID = "2" 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\UploadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4164" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4020" 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\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\CDNConnectionCount = "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\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\UploadMonthlyLanBytes = "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\DownloadMonthlyRateFrBps = "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\BkDownloadRatePct = "45" 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\MemoryUsageKB = "4248" 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\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\DownloadMonthlyLinkLocalBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893189799878961" 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\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 (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.216138" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
0293b23c5ce17c34b0373bddd4f3ff03e9abd2a88816fb4d87eb5a61745af836.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 864 0293b23c5ce17c34b0373bddd4f3ff03e9abd2a88816fb4d87eb5a61745af836.exe Token: SeSecurityPrivilege 2520 TiWorker.exe Token: SeRestorePrivilege 2520 TiWorker.exe Token: SeBackupPrivilege 2520 TiWorker.exe Token: SeBackupPrivilege 2520 TiWorker.exe Token: SeRestorePrivilege 2520 TiWorker.exe Token: SeSecurityPrivilege 2520 TiWorker.exe Token: SeBackupPrivilege 2520 TiWorker.exe Token: SeRestorePrivilege 2520 TiWorker.exe Token: SeSecurityPrivilege 2520 TiWorker.exe Token: SeBackupPrivilege 2520 TiWorker.exe Token: SeRestorePrivilege 2520 TiWorker.exe Token: SeSecurityPrivilege 2520 TiWorker.exe Token: SeBackupPrivilege 2520 TiWorker.exe Token: SeRestorePrivilege 2520 TiWorker.exe Token: SeSecurityPrivilege 2520 TiWorker.exe Token: SeBackupPrivilege 2520 TiWorker.exe Token: SeRestorePrivilege 2520 TiWorker.exe Token: SeSecurityPrivilege 2520 TiWorker.exe Token: SeBackupPrivilege 2520 TiWorker.exe Token: SeRestorePrivilege 2520 TiWorker.exe Token: SeSecurityPrivilege 2520 TiWorker.exe Token: SeBackupPrivilege 2520 TiWorker.exe Token: SeRestorePrivilege 2520 TiWorker.exe Token: SeSecurityPrivilege 2520 TiWorker.exe Token: SeBackupPrivilege 2520 TiWorker.exe Token: SeRestorePrivilege 2520 TiWorker.exe Token: SeSecurityPrivilege 2520 TiWorker.exe Token: SeBackupPrivilege 2520 TiWorker.exe Token: SeRestorePrivilege 2520 TiWorker.exe Token: SeSecurityPrivilege 2520 TiWorker.exe Token: SeBackupPrivilege 2520 TiWorker.exe Token: SeRestorePrivilege 2520 TiWorker.exe Token: SeSecurityPrivilege 2520 TiWorker.exe Token: SeBackupPrivilege 2520 TiWorker.exe Token: SeRestorePrivilege 2520 TiWorker.exe Token: SeSecurityPrivilege 2520 TiWorker.exe Token: SeBackupPrivilege 2520 TiWorker.exe Token: SeRestorePrivilege 2520 TiWorker.exe Token: SeSecurityPrivilege 2520 TiWorker.exe Token: SeBackupPrivilege 2520 TiWorker.exe Token: SeRestorePrivilege 2520 TiWorker.exe Token: SeSecurityPrivilege 2520 TiWorker.exe Token: SeBackupPrivilege 2520 TiWorker.exe Token: SeRestorePrivilege 2520 TiWorker.exe Token: SeSecurityPrivilege 2520 TiWorker.exe Token: SeBackupPrivilege 2520 TiWorker.exe Token: SeRestorePrivilege 2520 TiWorker.exe Token: SeSecurityPrivilege 2520 TiWorker.exe Token: SeBackupPrivilege 2520 TiWorker.exe Token: SeRestorePrivilege 2520 TiWorker.exe Token: SeSecurityPrivilege 2520 TiWorker.exe Token: SeBackupPrivilege 2520 TiWorker.exe Token: SeRestorePrivilege 2520 TiWorker.exe Token: SeSecurityPrivilege 2520 TiWorker.exe Token: SeBackupPrivilege 2520 TiWorker.exe Token: SeRestorePrivilege 2520 TiWorker.exe Token: SeSecurityPrivilege 2520 TiWorker.exe Token: SeBackupPrivilege 2520 TiWorker.exe Token: SeRestorePrivilege 2520 TiWorker.exe Token: SeSecurityPrivilege 2520 TiWorker.exe Token: SeBackupPrivilege 2520 TiWorker.exe Token: SeRestorePrivilege 2520 TiWorker.exe Token: SeSecurityPrivilege 2520 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0293b23c5ce17c34b0373bddd4f3ff03e9abd2a88816fb4d87eb5a61745af836.execmd.exedescription pid process target process PID 864 wrote to memory of 2956 864 0293b23c5ce17c34b0373bddd4f3ff03e9abd2a88816fb4d87eb5a61745af836.exe MediaCenter.exe PID 864 wrote to memory of 2956 864 0293b23c5ce17c34b0373bddd4f3ff03e9abd2a88816fb4d87eb5a61745af836.exe MediaCenter.exe PID 864 wrote to memory of 2956 864 0293b23c5ce17c34b0373bddd4f3ff03e9abd2a88816fb4d87eb5a61745af836.exe MediaCenter.exe PID 864 wrote to memory of 372 864 0293b23c5ce17c34b0373bddd4f3ff03e9abd2a88816fb4d87eb5a61745af836.exe cmd.exe PID 864 wrote to memory of 372 864 0293b23c5ce17c34b0373bddd4f3ff03e9abd2a88816fb4d87eb5a61745af836.exe cmd.exe PID 864 wrote to memory of 372 864 0293b23c5ce17c34b0373bddd4f3ff03e9abd2a88816fb4d87eb5a61745af836.exe cmd.exe PID 372 wrote to memory of 2488 372 cmd.exe PING.EXE PID 372 wrote to memory of 2488 372 cmd.exe PING.EXE PID 372 wrote to memory of 2488 372 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0293b23c5ce17c34b0373bddd4f3ff03e9abd2a88816fb4d87eb5a61745af836.exe"C:\Users\Admin\AppData\Local\Temp\0293b23c5ce17c34b0373bddd4f3ff03e9abd2a88816fb4d87eb5a61745af836.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:864 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2956 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0293b23c5ce17c34b0373bddd4f3ff03e9abd2a88816fb4d87eb5a61745af836.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:372 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2488
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3712
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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:2480
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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:2520
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
ad08b18ef5647c92c9e85d29569491db
SHA1b6350574ae4bd37c334362e79cc25287f9e6670d
SHA2562e46b4ef8843dedc2cc62a5451fadbce2e563a31be2b6f41bade30b1b1e48533
SHA5122f747949d4cecb801eb4527a6f297b08266b7e0655fc9d36c1ec6a541ad6b083ff035e5c1de1f44f1e56da706d9bfc0bde60c503a09d2c8552a48f85a1794ed7
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
ad08b18ef5647c92c9e85d29569491db
SHA1b6350574ae4bd37c334362e79cc25287f9e6670d
SHA2562e46b4ef8843dedc2cc62a5451fadbce2e563a31be2b6f41bade30b1b1e48533
SHA5122f747949d4cecb801eb4527a6f297b08266b7e0655fc9d36c1ec6a541ad6b083ff035e5c1de1f44f1e56da706d9bfc0bde60c503a09d2c8552a48f85a1794ed7
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memory/864-132-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB