Analysis
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max time kernel
151s -
max time network
167s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 11:02
Static task
static1
Behavioral task
behavioral1
Sample
0576faa71536caf1f132bd23f0187ddaf6c323c0fe8dc99926ac81fae54fce5e.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0576faa71536caf1f132bd23f0187ddaf6c323c0fe8dc99926ac81fae54fce5e.exe
Resource
win10v2004-en-20220112
General
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Target
0576faa71536caf1f132bd23f0187ddaf6c323c0fe8dc99926ac81fae54fce5e.exe
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Size
192KB
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MD5
28fb8d6c556eb574e7b2c4208b9a002d
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SHA1
18bb47cf655b4dcd0b1f0f87c96dd5cd7503a947
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SHA256
0576faa71536caf1f132bd23f0187ddaf6c323c0fe8dc99926ac81fae54fce5e
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SHA512
0dec101310acbf48a09c619fcbbcfdda8098b83c4214664556bd3ffb9bca79b7d664a1f9c5b13a81131c0f965df589e0941c1e611491a9e88429c99e7e9da64d
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 3620 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0576faa71536caf1f132bd23f0187ddaf6c323c0fe8dc99926ac81fae54fce5e.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0576faa71536caf1f132bd23f0187ddaf6c323c0fe8dc99926ac81fae54fce5e.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0576faa71536caf1f132bd23f0187ddaf6c323c0fe8dc99926ac81fae54fce5e.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0576faa71536caf1f132bd23f0187ddaf6c323c0fe8dc99926ac81fae54fce5e.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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz MusNotifyIcon.exe Key opened \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 MusNotifyIcon.exe -
Modifies data under HKEY_USERS 49 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\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\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\UploadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.457312" 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\SwarmCount = "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\BkDownloadRatePct = "45" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings 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\PeerInfoCount = "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\MonthlyUploadRestriction = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.378790" 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\CacheSizeBytes = "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\DownlinkUsageBps = "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\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\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\Config\KVFileExpirationTime = "132893149341945563" 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\NormalDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.195313" 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\CDNConnectionCount = "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\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\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\PriorityDownloadCount = "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\Config\DownloadMode_BackCompat = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4176" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyInternetBytes = "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\LANConnectionCount = "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\NormalDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4384" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe0576faa71536caf1f132bd23f0187ddaf6c323c0fe8dc99926ac81fae54fce5e.exedescription pid process Token: SeSecurityPrivilege 3032 TiWorker.exe Token: SeRestorePrivilege 3032 TiWorker.exe Token: SeBackupPrivilege 3032 TiWorker.exe Token: SeIncBasePriorityPrivilege 3944 0576faa71536caf1f132bd23f0187ddaf6c323c0fe8dc99926ac81fae54fce5e.exe Token: SeBackupPrivilege 3032 TiWorker.exe Token: SeRestorePrivilege 3032 TiWorker.exe Token: SeSecurityPrivilege 3032 TiWorker.exe Token: SeBackupPrivilege 3032 TiWorker.exe Token: SeRestorePrivilege 3032 TiWorker.exe Token: SeSecurityPrivilege 3032 TiWorker.exe Token: SeBackupPrivilege 3032 TiWorker.exe Token: SeRestorePrivilege 3032 TiWorker.exe Token: SeSecurityPrivilege 3032 TiWorker.exe Token: SeBackupPrivilege 3032 TiWorker.exe Token: SeRestorePrivilege 3032 TiWorker.exe Token: SeSecurityPrivilege 3032 TiWorker.exe Token: SeBackupPrivilege 3032 TiWorker.exe Token: SeRestorePrivilege 3032 TiWorker.exe Token: SeSecurityPrivilege 3032 TiWorker.exe Token: SeBackupPrivilege 3032 TiWorker.exe Token: SeRestorePrivilege 3032 TiWorker.exe Token: SeSecurityPrivilege 3032 TiWorker.exe Token: SeBackupPrivilege 3032 TiWorker.exe Token: SeRestorePrivilege 3032 TiWorker.exe Token: SeSecurityPrivilege 3032 TiWorker.exe Token: SeBackupPrivilege 3032 TiWorker.exe Token: SeRestorePrivilege 3032 TiWorker.exe Token: SeSecurityPrivilege 3032 TiWorker.exe Token: SeBackupPrivilege 3032 TiWorker.exe Token: SeRestorePrivilege 3032 TiWorker.exe Token: SeSecurityPrivilege 3032 TiWorker.exe Token: SeBackupPrivilege 3032 TiWorker.exe Token: SeRestorePrivilege 3032 TiWorker.exe Token: SeSecurityPrivilege 3032 TiWorker.exe Token: SeBackupPrivilege 3032 TiWorker.exe Token: SeRestorePrivilege 3032 TiWorker.exe Token: SeSecurityPrivilege 3032 TiWorker.exe Token: SeBackupPrivilege 3032 TiWorker.exe Token: SeRestorePrivilege 3032 TiWorker.exe Token: SeSecurityPrivilege 3032 TiWorker.exe Token: SeBackupPrivilege 3032 TiWorker.exe Token: SeRestorePrivilege 3032 TiWorker.exe Token: SeSecurityPrivilege 3032 TiWorker.exe Token: SeBackupPrivilege 3032 TiWorker.exe Token: SeRestorePrivilege 3032 TiWorker.exe Token: SeSecurityPrivilege 3032 TiWorker.exe Token: SeBackupPrivilege 3032 TiWorker.exe Token: SeRestorePrivilege 3032 TiWorker.exe Token: SeSecurityPrivilege 3032 TiWorker.exe Token: SeBackupPrivilege 3032 TiWorker.exe Token: SeRestorePrivilege 3032 TiWorker.exe Token: SeSecurityPrivilege 3032 TiWorker.exe Token: SeBackupPrivilege 3032 TiWorker.exe Token: SeRestorePrivilege 3032 TiWorker.exe Token: SeSecurityPrivilege 3032 TiWorker.exe Token: SeBackupPrivilege 3032 TiWorker.exe Token: SeRestorePrivilege 3032 TiWorker.exe Token: SeSecurityPrivilege 3032 TiWorker.exe Token: SeBackupPrivilege 3032 TiWorker.exe Token: SeRestorePrivilege 3032 TiWorker.exe Token: SeSecurityPrivilege 3032 TiWorker.exe Token: SeBackupPrivilege 3032 TiWorker.exe Token: SeRestorePrivilege 3032 TiWorker.exe Token: SeSecurityPrivilege 3032 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0576faa71536caf1f132bd23f0187ddaf6c323c0fe8dc99926ac81fae54fce5e.execmd.exedescription pid process target process PID 3944 wrote to memory of 3620 3944 0576faa71536caf1f132bd23f0187ddaf6c323c0fe8dc99926ac81fae54fce5e.exe MediaCenter.exe PID 3944 wrote to memory of 3620 3944 0576faa71536caf1f132bd23f0187ddaf6c323c0fe8dc99926ac81fae54fce5e.exe MediaCenter.exe PID 3944 wrote to memory of 3620 3944 0576faa71536caf1f132bd23f0187ddaf6c323c0fe8dc99926ac81fae54fce5e.exe MediaCenter.exe PID 3944 wrote to memory of 3420 3944 0576faa71536caf1f132bd23f0187ddaf6c323c0fe8dc99926ac81fae54fce5e.exe cmd.exe PID 3944 wrote to memory of 3420 3944 0576faa71536caf1f132bd23f0187ddaf6c323c0fe8dc99926ac81fae54fce5e.exe cmd.exe PID 3944 wrote to memory of 3420 3944 0576faa71536caf1f132bd23f0187ddaf6c323c0fe8dc99926ac81fae54fce5e.exe cmd.exe PID 3420 wrote to memory of 2472 3420 cmd.exe PING.EXE PID 3420 wrote to memory of 2472 3420 cmd.exe PING.EXE PID 3420 wrote to memory of 2472 3420 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0576faa71536caf1f132bd23f0187ddaf6c323c0fe8dc99926ac81fae54fce5e.exe"C:\Users\Admin\AppData\Local\Temp\0576faa71536caf1f132bd23f0187ddaf6c323c0fe8dc99926ac81fae54fce5e.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3944 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3620 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0576faa71536caf1f132bd23f0187ddaf6c323c0fe8dc99926ac81fae54fce5e.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3420 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2472
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3580
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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:1492
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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:3032
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
26f6555682c1fbc28d647b3c4e86bc53
SHA13fb247dff88331737d1a4291655a5b0529295574
SHA256ace024f0185c359f67c939381a28794dac98bc8f91d53435922114ca226e863c
SHA5123134c16e6b0def3fb48bb589aa6ba0b7d9aab82eb0e8bfbef9dd8b3e8407bb328b6c1d581cfdb4d53ed8d9ae35c91a7ed6dbe6b58f8d0d3452f1eb6b47640c28
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
26f6555682c1fbc28d647b3c4e86bc53
SHA13fb247dff88331737d1a4291655a5b0529295574
SHA256ace024f0185c359f67c939381a28794dac98bc8f91d53435922114ca226e863c
SHA5123134c16e6b0def3fb48bb589aa6ba0b7d9aab82eb0e8bfbef9dd8b3e8407bb328b6c1d581cfdb4d53ed8d9ae35c91a7ed6dbe6b58f8d0d3452f1eb6b47640c28