Analysis
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max time kernel
165s -
max time network
176s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 06:38
Static task
static1
Behavioral task
behavioral1
Sample
0f6889d398f75015669f297699a0e3488cf122390296682ccd82fd96b07133ef.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0f6889d398f75015669f297699a0e3488cf122390296682ccd82fd96b07133ef.exe
Resource
win10v2004-en-20220112
General
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Target
0f6889d398f75015669f297699a0e3488cf122390296682ccd82fd96b07133ef.exe
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Size
100KB
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MD5
6c3ad26ef3bebe01cbd0872c43e25121
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SHA1
f025aebe000688bac9e6aa16878f19c33a5d815f
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SHA256
0f6889d398f75015669f297699a0e3488cf122390296682ccd82fd96b07133ef
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SHA512
87d08bde9767ea25bf752ea23fa9969673eb8f57b7ac38bcc65feca77a41132b27903b13fbf9d7a6f1b87efa49e9d911022ca3c595f862ada4ac90ecd625c5fe
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 112 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0f6889d398f75015669f297699a0e3488cf122390296682ccd82fd96b07133ef.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0f6889d398f75015669f297699a0e3488cf122390296682ccd82fd96b07133ef.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0f6889d398f75015669f297699a0e3488cf122390296682ccd82fd96b07133ef.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0f6889d398f75015669f297699a0e3488cf122390296682ccd82fd96b07133ef.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 49 IoCs
Processes:
svchost.exedescription ioc process 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\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\DownlinkBps = "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\BkDownloadRatePct = "45" 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\DownloadMonthlyCacheHostBytes = "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\NormalDownloadPendingCount = "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 (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.252527" 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\NormalDownloadCount = "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\DownloadMonthlyLanBytes = "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\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\InternetConnectionCount = "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\Usage\UploadMonthlyInternetBytes = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.242887" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.042481" 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 (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892980789378433" 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\FrDownloadRatePct = "90" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4348" 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\DownloadMonthlyLinkLocalBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "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\DownloadMonthlyCdnBytes = "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\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\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\UploadRatePct = "100" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4120" 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 (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\PriorityDownloadCount = "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\DownloadMonthlyRateFrBps = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
0f6889d398f75015669f297699a0e3488cf122390296682ccd82fd96b07133ef.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 1916 0f6889d398f75015669f297699a0e3488cf122390296682ccd82fd96b07133ef.exe Token: SeSecurityPrivilege 2404 TiWorker.exe Token: SeRestorePrivilege 2404 TiWorker.exe Token: SeBackupPrivilege 2404 TiWorker.exe Token: SeBackupPrivilege 2404 TiWorker.exe Token: SeRestorePrivilege 2404 TiWorker.exe Token: SeSecurityPrivilege 2404 TiWorker.exe Token: SeBackupPrivilege 2404 TiWorker.exe Token: SeRestorePrivilege 2404 TiWorker.exe Token: SeSecurityPrivilege 2404 TiWorker.exe Token: SeBackupPrivilege 2404 TiWorker.exe Token: SeRestorePrivilege 2404 TiWorker.exe Token: SeSecurityPrivilege 2404 TiWorker.exe Token: SeBackupPrivilege 2404 TiWorker.exe Token: SeRestorePrivilege 2404 TiWorker.exe Token: SeSecurityPrivilege 2404 TiWorker.exe Token: SeBackupPrivilege 2404 TiWorker.exe Token: SeRestorePrivilege 2404 TiWorker.exe Token: SeSecurityPrivilege 2404 TiWorker.exe Token: SeBackupPrivilege 2404 TiWorker.exe Token: SeRestorePrivilege 2404 TiWorker.exe Token: SeSecurityPrivilege 2404 TiWorker.exe Token: SeBackupPrivilege 2404 TiWorker.exe Token: SeRestorePrivilege 2404 TiWorker.exe Token: SeSecurityPrivilege 2404 TiWorker.exe Token: SeBackupPrivilege 2404 TiWorker.exe Token: SeRestorePrivilege 2404 TiWorker.exe Token: SeSecurityPrivilege 2404 TiWorker.exe Token: SeBackupPrivilege 2404 TiWorker.exe Token: SeRestorePrivilege 2404 TiWorker.exe Token: SeSecurityPrivilege 2404 TiWorker.exe Token: SeBackupPrivilege 2404 TiWorker.exe Token: SeRestorePrivilege 2404 TiWorker.exe Token: SeSecurityPrivilege 2404 TiWorker.exe Token: SeBackupPrivilege 2404 TiWorker.exe Token: SeRestorePrivilege 2404 TiWorker.exe Token: SeSecurityPrivilege 2404 TiWorker.exe Token: SeBackupPrivilege 2404 TiWorker.exe Token: SeRestorePrivilege 2404 TiWorker.exe Token: SeSecurityPrivilege 2404 TiWorker.exe Token: SeBackupPrivilege 2404 TiWorker.exe Token: SeRestorePrivilege 2404 TiWorker.exe Token: SeSecurityPrivilege 2404 TiWorker.exe Token: SeBackupPrivilege 2404 TiWorker.exe Token: SeRestorePrivilege 2404 TiWorker.exe Token: SeSecurityPrivilege 2404 TiWorker.exe Token: SeBackupPrivilege 2404 TiWorker.exe Token: SeRestorePrivilege 2404 TiWorker.exe Token: SeSecurityPrivilege 2404 TiWorker.exe Token: SeBackupPrivilege 2404 TiWorker.exe Token: SeRestorePrivilege 2404 TiWorker.exe Token: SeSecurityPrivilege 2404 TiWorker.exe Token: SeBackupPrivilege 2404 TiWorker.exe Token: SeRestorePrivilege 2404 TiWorker.exe Token: SeSecurityPrivilege 2404 TiWorker.exe Token: SeBackupPrivilege 2404 TiWorker.exe Token: SeRestorePrivilege 2404 TiWorker.exe Token: SeSecurityPrivilege 2404 TiWorker.exe Token: SeBackupPrivilege 2404 TiWorker.exe Token: SeRestorePrivilege 2404 TiWorker.exe Token: SeSecurityPrivilege 2404 TiWorker.exe Token: SeBackupPrivilege 2404 TiWorker.exe Token: SeRestorePrivilege 2404 TiWorker.exe Token: SeSecurityPrivilege 2404 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0f6889d398f75015669f297699a0e3488cf122390296682ccd82fd96b07133ef.execmd.exedescription pid process target process PID 1916 wrote to memory of 112 1916 0f6889d398f75015669f297699a0e3488cf122390296682ccd82fd96b07133ef.exe MediaCenter.exe PID 1916 wrote to memory of 112 1916 0f6889d398f75015669f297699a0e3488cf122390296682ccd82fd96b07133ef.exe MediaCenter.exe PID 1916 wrote to memory of 112 1916 0f6889d398f75015669f297699a0e3488cf122390296682ccd82fd96b07133ef.exe MediaCenter.exe PID 1916 wrote to memory of 2184 1916 0f6889d398f75015669f297699a0e3488cf122390296682ccd82fd96b07133ef.exe cmd.exe PID 1916 wrote to memory of 2184 1916 0f6889d398f75015669f297699a0e3488cf122390296682ccd82fd96b07133ef.exe cmd.exe PID 1916 wrote to memory of 2184 1916 0f6889d398f75015669f297699a0e3488cf122390296682ccd82fd96b07133ef.exe cmd.exe PID 2184 wrote to memory of 1332 2184 cmd.exe PING.EXE PID 2184 wrote to memory of 1332 2184 cmd.exe PING.EXE PID 2184 wrote to memory of 1332 2184 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0f6889d398f75015669f297699a0e3488cf122390296682ccd82fd96b07133ef.exe"C:\Users\Admin\AppData\Local\Temp\0f6889d398f75015669f297699a0e3488cf122390296682ccd82fd96b07133ef.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1916 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:112 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0f6889d398f75015669f297699a0e3488cf122390296682ccd82fd96b07133ef.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2184 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1332
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:816
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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:1680
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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:2404
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
8399d6d1462ff954550aaff55e2f48c1
SHA1418da410bfad72e34d94214580a8ab39c2c35e95
SHA256304a8a1222ad01f1fa847ef232ed3633e3a884c0bf40dad91bb6c61fbcef65e1
SHA5122dbe318624bd8f19792ddc4917875529559c59217ad508c4e729a9f9e73c0bf1d64e9a9cd7bb4d2045d797847ad1002008fd7ca27931d40b0b7d7e1d047bda7f
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MD5
8399d6d1462ff954550aaff55e2f48c1
SHA1418da410bfad72e34d94214580a8ab39c2c35e95
SHA256304a8a1222ad01f1fa847ef232ed3633e3a884c0bf40dad91bb6c61fbcef65e1
SHA5122dbe318624bd8f19792ddc4917875529559c59217ad508c4e729a9f9e73c0bf1d64e9a9cd7bb4d2045d797847ad1002008fd7ca27931d40b0b7d7e1d047bda7f