Analysis
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max time kernel
174s -
max time network
186s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 09:46
Static task
static1
Behavioral task
behavioral1
Sample
0913fb0f15766f114260988ca4ea9dfff0f5397103cff7e840e909371d236c7c.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0913fb0f15766f114260988ca4ea9dfff0f5397103cff7e840e909371d236c7c.exe
Resource
win10v2004-en-20220112
General
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Target
0913fb0f15766f114260988ca4ea9dfff0f5397103cff7e840e909371d236c7c.exe
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Size
99KB
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MD5
29e53ba3bd4a5f2e084072c7ff9b976b
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SHA1
165a3de449d833cc993f54accb2f4cdd67b4bcb4
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SHA256
0913fb0f15766f114260988ca4ea9dfff0f5397103cff7e840e909371d236c7c
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SHA512
0f599813b470eaa96397667b6bd81c79c1d58aa8de37be3fb48cac2f68b93b3f8a77175a62fdf2093631dee1294083019bfd540a1b2bd3c9e2211db94d7f8380
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 2976 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0913fb0f15766f114260988ca4ea9dfff0f5397103cff7e840e909371d236c7c.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0913fb0f15766f114260988ca4ea9dfff0f5397103cff7e840e909371d236c7c.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0913fb0f15766f114260988ca4ea9dfff0f5397103cff7e840e909371d236c7c.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0913fb0f15766f114260988ca4ea9dfff0f5397103cff7e840e909371d236c7c.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 54 IoCs
Processes:
svchost.exedescription ioc process 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\UploadRatePct = "100" 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\DownloadMonthlyLinkLocalBytes = "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 = "4" 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\DownloadMonthlyRateBkCnt = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.500378" 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\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\DownlinkUsageBps = "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 = "0.000000" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4276" 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\FrDownloadRatePct = "90" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "6.249871" 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\MonthlyUploadRestriction = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "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\DownloadMonthlyCdnBytes = "90228624" 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\DownlinkBps = "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\Config\DODownloadMode = "1" 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\BkDownloadRatePct = "45" 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\MemoryUsageKB = "4136" 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\UploadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "1157726" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "1" 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\LinkLocalConnectionCount = "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\DownloadMonthlyLanBytes = "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\MonthID = "2" 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\MemoryUsageKB = "4076" 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\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\Usage\PeerInfoCount = "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\Config\KVFileExpirationTime = "132893097061886257" 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\CDNConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
0913fb0f15766f114260988ca4ea9dfff0f5397103cff7e840e909371d236c7c.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 3452 0913fb0f15766f114260988ca4ea9dfff0f5397103cff7e840e909371d236c7c.exe Token: SeSecurityPrivilege 3756 TiWorker.exe Token: SeRestorePrivilege 3756 TiWorker.exe Token: SeBackupPrivilege 3756 TiWorker.exe Token: SeBackupPrivilege 3756 TiWorker.exe Token: SeRestorePrivilege 3756 TiWorker.exe Token: SeSecurityPrivilege 3756 TiWorker.exe Token: SeBackupPrivilege 3756 TiWorker.exe Token: SeRestorePrivilege 3756 TiWorker.exe Token: SeSecurityPrivilege 3756 TiWorker.exe Token: SeBackupPrivilege 3756 TiWorker.exe Token: SeRestorePrivilege 3756 TiWorker.exe Token: SeSecurityPrivilege 3756 TiWorker.exe Token: SeBackupPrivilege 3756 TiWorker.exe Token: SeRestorePrivilege 3756 TiWorker.exe Token: SeSecurityPrivilege 3756 TiWorker.exe Token: SeBackupPrivilege 3756 TiWorker.exe Token: SeRestorePrivilege 3756 TiWorker.exe Token: SeSecurityPrivilege 3756 TiWorker.exe Token: SeBackupPrivilege 3756 TiWorker.exe Token: SeRestorePrivilege 3756 TiWorker.exe Token: SeSecurityPrivilege 3756 TiWorker.exe Token: SeBackupPrivilege 3756 TiWorker.exe Token: SeRestorePrivilege 3756 TiWorker.exe Token: SeSecurityPrivilege 3756 TiWorker.exe Token: SeBackupPrivilege 3756 TiWorker.exe Token: SeRestorePrivilege 3756 TiWorker.exe Token: SeSecurityPrivilege 3756 TiWorker.exe Token: SeBackupPrivilege 3756 TiWorker.exe Token: SeRestorePrivilege 3756 TiWorker.exe Token: SeSecurityPrivilege 3756 TiWorker.exe Token: SeBackupPrivilege 3756 TiWorker.exe Token: SeRestorePrivilege 3756 TiWorker.exe Token: SeSecurityPrivilege 3756 TiWorker.exe Token: SeBackupPrivilege 3756 TiWorker.exe Token: SeRestorePrivilege 3756 TiWorker.exe Token: SeSecurityPrivilege 3756 TiWorker.exe Token: SeBackupPrivilege 3756 TiWorker.exe Token: SeRestorePrivilege 3756 TiWorker.exe Token: SeSecurityPrivilege 3756 TiWorker.exe Token: SeBackupPrivilege 3756 TiWorker.exe Token: SeRestorePrivilege 3756 TiWorker.exe Token: SeSecurityPrivilege 3756 TiWorker.exe Token: SeBackupPrivilege 3756 TiWorker.exe Token: SeRestorePrivilege 3756 TiWorker.exe Token: SeSecurityPrivilege 3756 TiWorker.exe Token: SeBackupPrivilege 3756 TiWorker.exe Token: SeRestorePrivilege 3756 TiWorker.exe Token: SeSecurityPrivilege 3756 TiWorker.exe Token: SeBackupPrivilege 3756 TiWorker.exe Token: SeRestorePrivilege 3756 TiWorker.exe Token: SeSecurityPrivilege 3756 TiWorker.exe Token: SeBackupPrivilege 3756 TiWorker.exe Token: SeRestorePrivilege 3756 TiWorker.exe Token: SeSecurityPrivilege 3756 TiWorker.exe Token: SeBackupPrivilege 3756 TiWorker.exe Token: SeRestorePrivilege 3756 TiWorker.exe Token: SeSecurityPrivilege 3756 TiWorker.exe Token: SeBackupPrivilege 3756 TiWorker.exe Token: SeRestorePrivilege 3756 TiWorker.exe Token: SeSecurityPrivilege 3756 TiWorker.exe Token: SeBackupPrivilege 3756 TiWorker.exe Token: SeRestorePrivilege 3756 TiWorker.exe Token: SeSecurityPrivilege 3756 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0913fb0f15766f114260988ca4ea9dfff0f5397103cff7e840e909371d236c7c.execmd.exedescription pid process target process PID 3452 wrote to memory of 2976 3452 0913fb0f15766f114260988ca4ea9dfff0f5397103cff7e840e909371d236c7c.exe MediaCenter.exe PID 3452 wrote to memory of 2976 3452 0913fb0f15766f114260988ca4ea9dfff0f5397103cff7e840e909371d236c7c.exe MediaCenter.exe PID 3452 wrote to memory of 2976 3452 0913fb0f15766f114260988ca4ea9dfff0f5397103cff7e840e909371d236c7c.exe MediaCenter.exe PID 3452 wrote to memory of 3092 3452 0913fb0f15766f114260988ca4ea9dfff0f5397103cff7e840e909371d236c7c.exe cmd.exe PID 3452 wrote to memory of 3092 3452 0913fb0f15766f114260988ca4ea9dfff0f5397103cff7e840e909371d236c7c.exe cmd.exe PID 3452 wrote to memory of 3092 3452 0913fb0f15766f114260988ca4ea9dfff0f5397103cff7e840e909371d236c7c.exe cmd.exe PID 3092 wrote to memory of 1824 3092 cmd.exe PING.EXE PID 3092 wrote to memory of 1824 3092 cmd.exe PING.EXE PID 3092 wrote to memory of 1824 3092 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0913fb0f15766f114260988ca4ea9dfff0f5397103cff7e840e909371d236c7c.exe"C:\Users\Admin\AppData\Local\Temp\0913fb0f15766f114260988ca4ea9dfff0f5397103cff7e840e909371d236c7c.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3452 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2976 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0913fb0f15766f114260988ca4ea9dfff0f5397103cff7e840e909371d236c7c.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3092 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1824
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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:3620
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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:3756
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
ad89df7162567f3d54a9c7ec3760215a
SHA11d7cf73fdd07349242044abd2b8043ad56ce5774
SHA256ca9159fa25338bb3e31388ad6e721031611b6c06e84ff8db0fa128493ee1901d
SHA512dd179409cbed1ec7fb41fae1be424711e7cf6889e40b4af14b0e7626f246e6f59407beed1b1f82167f14e64cd7cfc82f9650d8d986167629771c24f0e10ec23f
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
ad89df7162567f3d54a9c7ec3760215a
SHA11d7cf73fdd07349242044abd2b8043ad56ce5774
SHA256ca9159fa25338bb3e31388ad6e721031611b6c06e84ff8db0fa128493ee1901d
SHA512dd179409cbed1ec7fb41fae1be424711e7cf6889e40b4af14b0e7626f246e6f59407beed1b1f82167f14e64cd7cfc82f9650d8d986167629771c24f0e10ec23f