Analysis
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max time kernel
151s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 09:27
Static task
static1
Behavioral task
behavioral1
Sample
0a0a5d717ecbf02da0e394b56f1bbf86e52ec2340f8ee8e057b449ff177ad1ac.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0a0a5d717ecbf02da0e394b56f1bbf86e52ec2340f8ee8e057b449ff177ad1ac.exe
Resource
win10v2004-en-20220112
General
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Target
0a0a5d717ecbf02da0e394b56f1bbf86e52ec2340f8ee8e057b449ff177ad1ac.exe
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Size
152KB
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MD5
502b0f83d02e3f5d42fd9c1134235519
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SHA1
16da52230e876503a8c106ee6bd8d349241517ee
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SHA256
0a0a5d717ecbf02da0e394b56f1bbf86e52ec2340f8ee8e057b449ff177ad1ac
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SHA512
bff1adb551ce7b5b413ed7301c35a770a2204fa1b8f46d1f969d4f28d2ffbba41f6a322612ef9a6da0e53017ab33bfcd761bb749f27337a6cc3881b2f2c73f8a
Malware Config
Signatures
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Sakula Payload 2 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 -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 3556 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0a0a5d717ecbf02da0e394b56f1bbf86e52ec2340f8ee8e057b449ff177ad1ac.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0a0a5d717ecbf02da0e394b56f1bbf86e52ec2340f8ee8e057b449ff177ad1ac.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0a0a5d717ecbf02da0e394b56f1bbf86e52ec2340f8ee8e057b449ff177ad1ac.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0a0a5d717ecbf02da0e394b56f1bbf86e52ec2340f8ee8e057b449ff177ad1ac.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\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\Config\KVFileExpirationTime = "132893081195149600" 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\SwarmCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.013221" 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\DownloadMonthlyRateBkBps = "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 = "2.380995" 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\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\NormalDownloadPendingCount = "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\UploadMonthlyInternetBytes = "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\NormalDownloadCount = "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\InternetConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4116" 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\DownloadMonthlyInternetBytes = "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 (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\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\UplinkBps = "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\DownloadMonthlyLinkLocalBytes = "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\MonthID = "2" 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\UplinkUsageBps = "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\BkDownloadRatePct = "45" 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\PriorityDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.893939" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4308" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000" 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\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\LinkLocalConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3928" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe0a0a5d717ecbf02da0e394b56f1bbf86e52ec2340f8ee8e057b449ff177ad1ac.exedescription pid process Token: SeSecurityPrivilege 2108 TiWorker.exe Token: SeRestorePrivilege 2108 TiWorker.exe Token: SeBackupPrivilege 2108 TiWorker.exe Token: SeBackupPrivilege 2108 TiWorker.exe Token: SeRestorePrivilege 2108 TiWorker.exe Token: SeSecurityPrivilege 2108 TiWorker.exe Token: SeBackupPrivilege 2108 TiWorker.exe Token: SeRestorePrivilege 2108 TiWorker.exe Token: SeSecurityPrivilege 2108 TiWorker.exe Token: SeBackupPrivilege 2108 TiWorker.exe Token: SeRestorePrivilege 2108 TiWorker.exe Token: SeSecurityPrivilege 2108 TiWorker.exe Token: SeBackupPrivilege 2108 TiWorker.exe Token: SeRestorePrivilege 2108 TiWorker.exe Token: SeSecurityPrivilege 2108 TiWorker.exe Token: SeBackupPrivilege 2108 TiWorker.exe Token: SeRestorePrivilege 2108 TiWorker.exe Token: SeSecurityPrivilege 2108 TiWorker.exe Token: SeBackupPrivilege 2108 TiWorker.exe Token: SeRestorePrivilege 2108 TiWorker.exe Token: SeSecurityPrivilege 2108 TiWorker.exe Token: SeIncBasePriorityPrivilege 4092 0a0a5d717ecbf02da0e394b56f1bbf86e52ec2340f8ee8e057b449ff177ad1ac.exe Token: SeBackupPrivilege 2108 TiWorker.exe Token: SeRestorePrivilege 2108 TiWorker.exe Token: SeSecurityPrivilege 2108 TiWorker.exe Token: SeBackupPrivilege 2108 TiWorker.exe Token: SeRestorePrivilege 2108 TiWorker.exe Token: SeSecurityPrivilege 2108 TiWorker.exe Token: SeBackupPrivilege 2108 TiWorker.exe Token: SeRestorePrivilege 2108 TiWorker.exe Token: SeSecurityPrivilege 2108 TiWorker.exe Token: SeBackupPrivilege 2108 TiWorker.exe Token: SeRestorePrivilege 2108 TiWorker.exe Token: SeSecurityPrivilege 2108 TiWorker.exe Token: SeBackupPrivilege 2108 TiWorker.exe Token: SeRestorePrivilege 2108 TiWorker.exe Token: SeSecurityPrivilege 2108 TiWorker.exe Token: SeBackupPrivilege 2108 TiWorker.exe Token: SeRestorePrivilege 2108 TiWorker.exe Token: SeSecurityPrivilege 2108 TiWorker.exe Token: SeBackupPrivilege 2108 TiWorker.exe Token: SeRestorePrivilege 2108 TiWorker.exe Token: SeSecurityPrivilege 2108 TiWorker.exe Token: SeBackupPrivilege 2108 TiWorker.exe Token: SeRestorePrivilege 2108 TiWorker.exe Token: SeSecurityPrivilege 2108 TiWorker.exe Token: SeBackupPrivilege 2108 TiWorker.exe Token: SeRestorePrivilege 2108 TiWorker.exe Token: SeSecurityPrivilege 2108 TiWorker.exe Token: SeBackupPrivilege 2108 TiWorker.exe Token: SeRestorePrivilege 2108 TiWorker.exe Token: SeSecurityPrivilege 2108 TiWorker.exe Token: SeBackupPrivilege 2108 TiWorker.exe Token: SeRestorePrivilege 2108 TiWorker.exe Token: SeSecurityPrivilege 2108 TiWorker.exe Token: SeBackupPrivilege 2108 TiWorker.exe Token: SeRestorePrivilege 2108 TiWorker.exe Token: SeSecurityPrivilege 2108 TiWorker.exe Token: SeBackupPrivilege 2108 TiWorker.exe Token: SeRestorePrivilege 2108 TiWorker.exe Token: SeSecurityPrivilege 2108 TiWorker.exe Token: SeBackupPrivilege 2108 TiWorker.exe Token: SeRestorePrivilege 2108 TiWorker.exe Token: SeSecurityPrivilege 2108 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0a0a5d717ecbf02da0e394b56f1bbf86e52ec2340f8ee8e057b449ff177ad1ac.execmd.exedescription pid process target process PID 4092 wrote to memory of 3556 4092 0a0a5d717ecbf02da0e394b56f1bbf86e52ec2340f8ee8e057b449ff177ad1ac.exe MediaCenter.exe PID 4092 wrote to memory of 3556 4092 0a0a5d717ecbf02da0e394b56f1bbf86e52ec2340f8ee8e057b449ff177ad1ac.exe MediaCenter.exe PID 4092 wrote to memory of 3556 4092 0a0a5d717ecbf02da0e394b56f1bbf86e52ec2340f8ee8e057b449ff177ad1ac.exe MediaCenter.exe PID 4092 wrote to memory of 3628 4092 0a0a5d717ecbf02da0e394b56f1bbf86e52ec2340f8ee8e057b449ff177ad1ac.exe cmd.exe PID 4092 wrote to memory of 3628 4092 0a0a5d717ecbf02da0e394b56f1bbf86e52ec2340f8ee8e057b449ff177ad1ac.exe cmd.exe PID 4092 wrote to memory of 3628 4092 0a0a5d717ecbf02da0e394b56f1bbf86e52ec2340f8ee8e057b449ff177ad1ac.exe cmd.exe PID 3628 wrote to memory of 308 3628 cmd.exe PING.EXE PID 3628 wrote to memory of 308 3628 cmd.exe PING.EXE PID 3628 wrote to memory of 308 3628 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0a0a5d717ecbf02da0e394b56f1bbf86e52ec2340f8ee8e057b449ff177ad1ac.exe"C:\Users\Admin\AppData\Local\Temp\0a0a5d717ecbf02da0e394b56f1bbf86e52ec2340f8ee8e057b449ff177ad1ac.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4092 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3556 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0a0a5d717ecbf02da0e394b56f1bbf86e52ec2340f8ee8e057b449ff177ad1ac.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3628 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:308
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3540
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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:3504
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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:2108
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
19cd6e15fd1dd4e270c89073dfc8b35b
SHA1cc460795cc127e4abbdeffdcbe7f710462631884
SHA256ebd301548b958bdb1006bd2339b254147ece2e50d350b2d32712581cf2cec583
SHA5125cf674d13b1ed71ec5428945cef155bf83b4d96238044915b5e5606676b29293817e52b412358f02a6debeabc0bf5f5c5b9e53d84f527daa83e0f5ee36291b30
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
19cd6e15fd1dd4e270c89073dfc8b35b
SHA1cc460795cc127e4abbdeffdcbe7f710462631884
SHA256ebd301548b958bdb1006bd2339b254147ece2e50d350b2d32712581cf2cec583
SHA5125cf674d13b1ed71ec5428945cef155bf83b4d96238044915b5e5606676b29293817e52b412358f02a6debeabc0bf5f5c5b9e53d84f527daa83e0f5ee36291b30