Analysis
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max time kernel
150s -
max time network
163s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 08:26
Static task
static1
Behavioral task
behavioral1
Sample
0b09d8a713b357ed43b77ed8f5c1725a60647d1fe457b865a8d82bb08fe26545.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0b09d8a713b357ed43b77ed8f5c1725a60647d1fe457b865a8d82bb08fe26545.exe
Resource
win10v2004-en-20220112
General
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Target
0b09d8a713b357ed43b77ed8f5c1725a60647d1fe457b865a8d82bb08fe26545.exe
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Size
99KB
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MD5
4a0faac441ef5c37fa02498b8575ce67
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SHA1
fc94e822ab312afc652fd98a32d572f0794306a1
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SHA256
0b09d8a713b357ed43b77ed8f5c1725a60647d1fe457b865a8d82bb08fe26545
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SHA512
bbbd72c50b672118476729c93584dc9f6daf9999c2849ef08bdc57c8b0a4e45d480a2c6c677924a82a98e2cb0013b0eb1f7143070c06cb2fd6a66df4794055e4
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 2204 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0b09d8a713b357ed43b77ed8f5c1725a60647d1fe457b865a8d82bb08fe26545.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0b09d8a713b357ed43b77ed8f5c1725a60647d1fe457b865a8d82bb08fe26545.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0b09d8a713b357ed43b77ed8f5c1725a60647d1fe457b865a8d82bb08fe26545.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0b09d8a713b357ed43b77ed8f5c1725a60647d1fe457b865a8d82bb08fe26545.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 49 IoCs
Processes:
svchost.exedescription ioc process 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\DownloadMonthlyCdnBytes = "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\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\Usage\UplinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90" 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\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\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 = "132893045409279431" 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\PriorityDownloadPendingCount = "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\UploadMonthlyInternetBytes = "0" 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\DownloadMonthlyRateFrBps = "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\NormalDownloadCount = "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\DownloadMonthlyRateBkCnt = "0" 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 (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.529215" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "14.285871" 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\MemoryUsageKB = "4292" 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\DownloadMode_BackCompat = "1" 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\CDNConnectionCount = "0" 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\MemoryUsageKB = "4084" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "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\SwarmCount = "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\DownloadMonthlyRateFrCnt = "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\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\NormalDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.762793" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exedescription pid process Token: SeSecurityPrivilege 4076 TiWorker.exe Token: SeRestorePrivilege 4076 TiWorker.exe Token: SeBackupPrivilege 4076 TiWorker.exe Token: SeBackupPrivilege 4076 TiWorker.exe Token: SeRestorePrivilege 4076 TiWorker.exe Token: SeSecurityPrivilege 4076 TiWorker.exe Token: SeBackupPrivilege 4076 TiWorker.exe Token: SeRestorePrivilege 4076 TiWorker.exe Token: SeSecurityPrivilege 4076 TiWorker.exe Token: SeBackupPrivilege 4076 TiWorker.exe Token: SeRestorePrivilege 4076 TiWorker.exe Token: SeSecurityPrivilege 4076 TiWorker.exe Token: SeBackupPrivilege 4076 TiWorker.exe Token: SeRestorePrivilege 4076 TiWorker.exe Token: SeSecurityPrivilege 4076 TiWorker.exe Token: SeBackupPrivilege 4076 TiWorker.exe Token: SeRestorePrivilege 4076 TiWorker.exe Token: SeSecurityPrivilege 4076 TiWorker.exe Token: SeBackupPrivilege 4076 TiWorker.exe Token: SeRestorePrivilege 4076 TiWorker.exe Token: SeSecurityPrivilege 4076 TiWorker.exe Token: SeBackupPrivilege 4076 TiWorker.exe Token: SeRestorePrivilege 4076 TiWorker.exe Token: SeSecurityPrivilege 4076 TiWorker.exe Token: SeBackupPrivilege 4076 TiWorker.exe Token: SeRestorePrivilege 4076 TiWorker.exe Token: SeSecurityPrivilege 4076 TiWorker.exe Token: SeBackupPrivilege 4076 TiWorker.exe Token: SeRestorePrivilege 4076 TiWorker.exe Token: SeSecurityPrivilege 4076 TiWorker.exe Token: SeBackupPrivilege 4076 TiWorker.exe Token: SeRestorePrivilege 4076 TiWorker.exe Token: SeSecurityPrivilege 4076 TiWorker.exe Token: SeBackupPrivilege 4076 TiWorker.exe Token: SeRestorePrivilege 4076 TiWorker.exe Token: SeSecurityPrivilege 4076 TiWorker.exe Token: SeBackupPrivilege 4076 TiWorker.exe Token: SeRestorePrivilege 4076 TiWorker.exe Token: SeSecurityPrivilege 4076 TiWorker.exe Token: SeBackupPrivilege 4076 TiWorker.exe Token: SeRestorePrivilege 4076 TiWorker.exe Token: SeSecurityPrivilege 4076 TiWorker.exe Token: SeBackupPrivilege 4076 TiWorker.exe Token: SeRestorePrivilege 4076 TiWorker.exe Token: SeSecurityPrivilege 4076 TiWorker.exe Token: SeBackupPrivilege 4076 TiWorker.exe Token: SeRestorePrivilege 4076 TiWorker.exe Token: SeSecurityPrivilege 4076 TiWorker.exe Token: SeBackupPrivilege 4076 TiWorker.exe Token: SeRestorePrivilege 4076 TiWorker.exe Token: SeSecurityPrivilege 4076 TiWorker.exe Token: SeBackupPrivilege 4076 TiWorker.exe Token: SeRestorePrivilege 4076 TiWorker.exe Token: SeSecurityPrivilege 4076 TiWorker.exe Token: SeBackupPrivilege 4076 TiWorker.exe Token: SeRestorePrivilege 4076 TiWorker.exe Token: SeSecurityPrivilege 4076 TiWorker.exe Token: SeBackupPrivilege 4076 TiWorker.exe Token: SeRestorePrivilege 4076 TiWorker.exe Token: SeSecurityPrivilege 4076 TiWorker.exe Token: SeBackupPrivilege 4076 TiWorker.exe Token: SeRestorePrivilege 4076 TiWorker.exe Token: SeSecurityPrivilege 4076 TiWorker.exe Token: SeBackupPrivilege 4076 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0b09d8a713b357ed43b77ed8f5c1725a60647d1fe457b865a8d82bb08fe26545.execmd.exedescription pid process target process PID 3380 wrote to memory of 2204 3380 0b09d8a713b357ed43b77ed8f5c1725a60647d1fe457b865a8d82bb08fe26545.exe MediaCenter.exe PID 3380 wrote to memory of 2204 3380 0b09d8a713b357ed43b77ed8f5c1725a60647d1fe457b865a8d82bb08fe26545.exe MediaCenter.exe PID 3380 wrote to memory of 2204 3380 0b09d8a713b357ed43b77ed8f5c1725a60647d1fe457b865a8d82bb08fe26545.exe MediaCenter.exe PID 3380 wrote to memory of 544 3380 0b09d8a713b357ed43b77ed8f5c1725a60647d1fe457b865a8d82bb08fe26545.exe cmd.exe PID 3380 wrote to memory of 544 3380 0b09d8a713b357ed43b77ed8f5c1725a60647d1fe457b865a8d82bb08fe26545.exe cmd.exe PID 3380 wrote to memory of 544 3380 0b09d8a713b357ed43b77ed8f5c1725a60647d1fe457b865a8d82bb08fe26545.exe cmd.exe PID 544 wrote to memory of 1172 544 cmd.exe PING.EXE PID 544 wrote to memory of 1172 544 cmd.exe PING.EXE PID 544 wrote to memory of 1172 544 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0b09d8a713b357ed43b77ed8f5c1725a60647d1fe457b865a8d82bb08fe26545.exe"C:\Users\Admin\AppData\Local\Temp\0b09d8a713b357ed43b77ed8f5c1725a60647d1fe457b865a8d82bb08fe26545.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3380 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2204 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0b09d8a713b357ed43b77ed8f5c1725a60647d1fe457b865a8d82bb08fe26545.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:544 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1172
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:900
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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:3964
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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:4076
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
c6063f40854ed9347182a9a96c9d64d6
SHA1579157cff380708a77e318407f0e1fd19951a398
SHA25631a0b961a23efc4b3688d75cfe35f7ebe220af82775da4cf10fbbf6e7997f5af
SHA51235e331fc4522bba73b33e84e790fcd377c8dcbc9df2dc7d3f15fb03b0c04a831e18f687b7a8a9ab18e7012204b323e74e0334d4e0ec563f184836555e92b9765
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
c6063f40854ed9347182a9a96c9d64d6
SHA1579157cff380708a77e318407f0e1fd19951a398
SHA25631a0b961a23efc4b3688d75cfe35f7ebe220af82775da4cf10fbbf6e7997f5af
SHA51235e331fc4522bba73b33e84e790fcd377c8dcbc9df2dc7d3f15fb03b0c04a831e18f687b7a8a9ab18e7012204b323e74e0334d4e0ec563f184836555e92b9765