Analysis
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max time kernel
151s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 09:34
Static task
static1
Behavioral task
behavioral1
Sample
09aa9dfb6a2e5f7047ace0481ebf98f093cf4f7fe9084be13cae1f14eb12db06.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
09aa9dfb6a2e5f7047ace0481ebf98f093cf4f7fe9084be13cae1f14eb12db06.exe
Resource
win10v2004-en-20220112
General
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Target
09aa9dfb6a2e5f7047ace0481ebf98f093cf4f7fe9084be13cae1f14eb12db06.exe
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Size
168KB
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MD5
a3268351f79fe4d9ef0d092852b799b0
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SHA1
d131c1cc38f0a58116caa33b6cd463682fa53c82
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SHA256
09aa9dfb6a2e5f7047ace0481ebf98f093cf4f7fe9084be13cae1f14eb12db06
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SHA512
c6e294c1ff0767388bfc10739e92751b2613e8bc60aead42c52c127e280e5a97b77c96552753c4e9063c4d952077e69ad7197cd345e04abd1bfbeec29ad9583d
Malware Config
Signatures
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Sakula Payload 3 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 behavioral2/memory/2228-132-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula -
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
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suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 1164 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
09aa9dfb6a2e5f7047ace0481ebf98f093cf4f7fe9084be13cae1f14eb12db06.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 09aa9dfb6a2e5f7047ace0481ebf98f093cf4f7fe9084be13cae1f14eb12db06.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
09aa9dfb6a2e5f7047ace0481ebf98f093cf4f7fe9084be13cae1f14eb12db06.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 09aa9dfb6a2e5f7047ace0481ebf98f093cf4f7fe9084be13cae1f14eb12db06.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 55 IoCs
Processes:
svchost.exedescription ioc process 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\UploadRatePct = "100" 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\UplinkBps = "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 = "0.000000" 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\DownloadMonthlyRateFrCnt = "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\Config 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\DownloadMonthlyLanBytes = "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\Config\KVFileExpirationTime = "132893085465684741" 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\LinkLocalConnectionCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.546696" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3884" 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\UploadCount = "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\PriorityDownloadPendingCount = "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\MemoryUsageKB = "4076" 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\DownloadMonthlyRateBkCnt = "0" 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\DownloadMonthlyRateBkCnt = "4" 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\BkDownloadRatePct = "45" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4296" 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\LANConnectionCount = "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\CacheSizeBytes = "0" 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 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\DownloadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "1" 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\DownloadMonthlyRateFrBps = "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\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\PriorityDownloadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.013125" 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\InternetConnectionCount = "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\DownloadMonthlyRateBkBps = "1157726" 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\Usage\CPUpct = "3.334130" 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 1568 TiWorker.exe Token: SeRestorePrivilege 1568 TiWorker.exe Token: SeBackupPrivilege 1568 TiWorker.exe Token: SeBackupPrivilege 1568 TiWorker.exe Token: SeRestorePrivilege 1568 TiWorker.exe Token: SeSecurityPrivilege 1568 TiWorker.exe Token: SeBackupPrivilege 1568 TiWorker.exe Token: SeRestorePrivilege 1568 TiWorker.exe Token: SeSecurityPrivilege 1568 TiWorker.exe Token: SeBackupPrivilege 1568 TiWorker.exe Token: SeRestorePrivilege 1568 TiWorker.exe Token: SeSecurityPrivilege 1568 TiWorker.exe Token: SeBackupPrivilege 1568 TiWorker.exe Token: SeRestorePrivilege 1568 TiWorker.exe Token: SeSecurityPrivilege 1568 TiWorker.exe Token: SeBackupPrivilege 1568 TiWorker.exe Token: SeRestorePrivilege 1568 TiWorker.exe Token: SeSecurityPrivilege 1568 TiWorker.exe Token: SeBackupPrivilege 1568 TiWorker.exe Token: SeRestorePrivilege 1568 TiWorker.exe Token: SeSecurityPrivilege 1568 TiWorker.exe Token: SeBackupPrivilege 1568 TiWorker.exe Token: SeRestorePrivilege 1568 TiWorker.exe Token: SeSecurityPrivilege 1568 TiWorker.exe Token: SeBackupPrivilege 1568 TiWorker.exe Token: SeRestorePrivilege 1568 TiWorker.exe Token: SeSecurityPrivilege 1568 TiWorker.exe Token: SeBackupPrivilege 1568 TiWorker.exe Token: SeRestorePrivilege 1568 TiWorker.exe Token: SeSecurityPrivilege 1568 TiWorker.exe Token: SeBackupPrivilege 1568 TiWorker.exe Token: SeRestorePrivilege 1568 TiWorker.exe Token: SeSecurityPrivilege 1568 TiWorker.exe Token: SeBackupPrivilege 1568 TiWorker.exe Token: SeRestorePrivilege 1568 TiWorker.exe Token: SeSecurityPrivilege 1568 TiWorker.exe Token: SeBackupPrivilege 1568 TiWorker.exe Token: SeRestorePrivilege 1568 TiWorker.exe Token: SeSecurityPrivilege 1568 TiWorker.exe Token: SeBackupPrivilege 1568 TiWorker.exe Token: SeRestorePrivilege 1568 TiWorker.exe Token: SeSecurityPrivilege 1568 TiWorker.exe Token: SeBackupPrivilege 1568 TiWorker.exe Token: SeRestorePrivilege 1568 TiWorker.exe Token: SeSecurityPrivilege 1568 TiWorker.exe Token: SeBackupPrivilege 1568 TiWorker.exe Token: SeRestorePrivilege 1568 TiWorker.exe Token: SeSecurityPrivilege 1568 TiWorker.exe Token: SeBackupPrivilege 1568 TiWorker.exe Token: SeRestorePrivilege 1568 TiWorker.exe Token: SeSecurityPrivilege 1568 TiWorker.exe Token: SeBackupPrivilege 1568 TiWorker.exe Token: SeRestorePrivilege 1568 TiWorker.exe Token: SeSecurityPrivilege 1568 TiWorker.exe Token: SeBackupPrivilege 1568 TiWorker.exe Token: SeRestorePrivilege 1568 TiWorker.exe Token: SeSecurityPrivilege 1568 TiWorker.exe Token: SeBackupPrivilege 1568 TiWorker.exe Token: SeRestorePrivilege 1568 TiWorker.exe Token: SeSecurityPrivilege 1568 TiWorker.exe Token: SeBackupPrivilege 1568 TiWorker.exe Token: SeRestorePrivilege 1568 TiWorker.exe Token: SeSecurityPrivilege 1568 TiWorker.exe Token: SeBackupPrivilege 1568 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
09aa9dfb6a2e5f7047ace0481ebf98f093cf4f7fe9084be13cae1f14eb12db06.execmd.exedescription pid process target process PID 2228 wrote to memory of 1164 2228 09aa9dfb6a2e5f7047ace0481ebf98f093cf4f7fe9084be13cae1f14eb12db06.exe MediaCenter.exe PID 2228 wrote to memory of 1164 2228 09aa9dfb6a2e5f7047ace0481ebf98f093cf4f7fe9084be13cae1f14eb12db06.exe MediaCenter.exe PID 2228 wrote to memory of 1164 2228 09aa9dfb6a2e5f7047ace0481ebf98f093cf4f7fe9084be13cae1f14eb12db06.exe MediaCenter.exe PID 2228 wrote to memory of 3944 2228 09aa9dfb6a2e5f7047ace0481ebf98f093cf4f7fe9084be13cae1f14eb12db06.exe cmd.exe PID 2228 wrote to memory of 3944 2228 09aa9dfb6a2e5f7047ace0481ebf98f093cf4f7fe9084be13cae1f14eb12db06.exe cmd.exe PID 2228 wrote to memory of 3944 2228 09aa9dfb6a2e5f7047ace0481ebf98f093cf4f7fe9084be13cae1f14eb12db06.exe cmd.exe PID 3944 wrote to memory of 1896 3944 cmd.exe PING.EXE PID 3944 wrote to memory of 1896 3944 cmd.exe PING.EXE PID 3944 wrote to memory of 1896 3944 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\09aa9dfb6a2e5f7047ace0481ebf98f093cf4f7fe9084be13cae1f14eb12db06.exe"C:\Users\Admin\AppData\Local\Temp\09aa9dfb6a2e5f7047ace0481ebf98f093cf4f7fe9084be13cae1f14eb12db06.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2228 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1164 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\09aa9dfb6a2e5f7047ace0481ebf98f093cf4f7fe9084be13cae1f14eb12db06.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3944 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1896
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:4076
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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:1420
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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:1568
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
5e29678f650dd8cd6843f164b830dcda
SHA17decac0c754cbd2abb38a55e07bd75c1766aaff1
SHA2567f879835ce0d87468f0cdd7255f95b508456dc6cba4e436241a2d2187853c69d
SHA512c1d899fcb7e9f63516240e527a14ee679ea97a6b8ddb99a6976fc200350a628da1fa945319460647f9a8b44d1be7737be9ddb5ecfab115f79d603fa27ad1cdd9
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
5e29678f650dd8cd6843f164b830dcda
SHA17decac0c754cbd2abb38a55e07bd75c1766aaff1
SHA2567f879835ce0d87468f0cdd7255f95b508456dc6cba4e436241a2d2187853c69d
SHA512c1d899fcb7e9f63516240e527a14ee679ea97a6b8ddb99a6976fc200350a628da1fa945319460647f9a8b44d1be7737be9ddb5ecfab115f79d603fa27ad1cdd9
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memory/2228-132-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB