Analysis
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max time kernel
159s -
max time network
166s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 07:50
Static task
static1
Behavioral task
behavioral1
Sample
0c922c3498b639e1340b836f3961e2de78a8ef828396dff6626ed4a136014110.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0c922c3498b639e1340b836f3961e2de78a8ef828396dff6626ed4a136014110.exe
Resource
win10v2004-en-20220112
General
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Target
0c922c3498b639e1340b836f3961e2de78a8ef828396dff6626ed4a136014110.exe
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Size
216KB
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MD5
0b02352436bdbe87d89ab078ed83dcf1
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SHA1
ff5c07e810be06de55bfa58bbfd66d6740236578
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SHA256
0c922c3498b639e1340b836f3961e2de78a8ef828396dff6626ed4a136014110
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SHA512
46f7d5053e3cdb90e7aa191b291cfc18c4312d233ba64f23edb71b63e680bd91abef8707c53e7ab6aa2540aad116b878a53b6d57a272986de478cc937c888e03
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/3088-132-0x0000000000400000-0x0000000000420000-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 4056 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0c922c3498b639e1340b836f3961e2de78a8ef828396dff6626ed4a136014110.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0c922c3498b639e1340b836f3961e2de78a8ef828396dff6626ed4a136014110.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0c922c3498b639e1340b836f3961e2de78a8ef828396dff6626ed4a136014110.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0c922c3498b639e1340b836f3961e2de78a8ef828396dff6626ed4a136014110.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 52 IoCs
Processes:
svchost.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "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\SwarmCount = "1" 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\CDNConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "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\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\Usage\PriorityDownloadPendingCount = "0" 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 = "0.009760" 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\DownloadMonthlyRateFrBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0" 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\UploadCount = "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\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\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\NormalDownloadPendingCount = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config 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\DownloadMonthlyRateBkCnt = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.219492" 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\DownloadMonthlyRateFrCnt = "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\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\UploadMonthlyInternetBytes = "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\DownloadMonthlyCacheHostBytes = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.184911" 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\Usage\CPUpct = "0.042772" 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\UploadRatePct = "100" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4272" 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\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\PeerInfoCount = "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 (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3908" 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 (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893023951843249" 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 632 TiWorker.exe Token: SeRestorePrivilege 632 TiWorker.exe Token: SeBackupPrivilege 632 TiWorker.exe Token: SeBackupPrivilege 632 TiWorker.exe Token: SeRestorePrivilege 632 TiWorker.exe Token: SeSecurityPrivilege 632 TiWorker.exe Token: SeBackupPrivilege 632 TiWorker.exe Token: SeRestorePrivilege 632 TiWorker.exe Token: SeSecurityPrivilege 632 TiWorker.exe Token: SeBackupPrivilege 632 TiWorker.exe Token: SeRestorePrivilege 632 TiWorker.exe Token: SeSecurityPrivilege 632 TiWorker.exe Token: SeBackupPrivilege 632 TiWorker.exe Token: SeRestorePrivilege 632 TiWorker.exe Token: SeSecurityPrivilege 632 TiWorker.exe Token: SeBackupPrivilege 632 TiWorker.exe Token: SeRestorePrivilege 632 TiWorker.exe Token: SeSecurityPrivilege 632 TiWorker.exe Token: SeBackupPrivilege 632 TiWorker.exe Token: SeRestorePrivilege 632 TiWorker.exe Token: SeSecurityPrivilege 632 TiWorker.exe Token: SeBackupPrivilege 632 TiWorker.exe Token: SeRestorePrivilege 632 TiWorker.exe Token: SeSecurityPrivilege 632 TiWorker.exe Token: SeBackupPrivilege 632 TiWorker.exe Token: SeRestorePrivilege 632 TiWorker.exe Token: SeSecurityPrivilege 632 TiWorker.exe Token: SeBackupPrivilege 632 TiWorker.exe Token: SeRestorePrivilege 632 TiWorker.exe Token: SeSecurityPrivilege 632 TiWorker.exe Token: SeBackupPrivilege 632 TiWorker.exe Token: SeRestorePrivilege 632 TiWorker.exe Token: SeSecurityPrivilege 632 TiWorker.exe Token: SeBackupPrivilege 632 TiWorker.exe Token: SeRestorePrivilege 632 TiWorker.exe Token: SeSecurityPrivilege 632 TiWorker.exe Token: SeBackupPrivilege 632 TiWorker.exe Token: SeRestorePrivilege 632 TiWorker.exe Token: SeSecurityPrivilege 632 TiWorker.exe Token: SeBackupPrivilege 632 TiWorker.exe Token: SeRestorePrivilege 632 TiWorker.exe Token: SeSecurityPrivilege 632 TiWorker.exe Token: SeBackupPrivilege 632 TiWorker.exe Token: SeRestorePrivilege 632 TiWorker.exe Token: SeSecurityPrivilege 632 TiWorker.exe Token: SeBackupPrivilege 632 TiWorker.exe Token: SeRestorePrivilege 632 TiWorker.exe Token: SeSecurityPrivilege 632 TiWorker.exe Token: SeBackupPrivilege 632 TiWorker.exe Token: SeRestorePrivilege 632 TiWorker.exe Token: SeSecurityPrivilege 632 TiWorker.exe Token: SeBackupPrivilege 632 TiWorker.exe Token: SeRestorePrivilege 632 TiWorker.exe Token: SeSecurityPrivilege 632 TiWorker.exe Token: SeBackupPrivilege 632 TiWorker.exe Token: SeRestorePrivilege 632 TiWorker.exe Token: SeSecurityPrivilege 632 TiWorker.exe Token: SeBackupPrivilege 632 TiWorker.exe Token: SeRestorePrivilege 632 TiWorker.exe Token: SeSecurityPrivilege 632 TiWorker.exe Token: SeBackupPrivilege 632 TiWorker.exe Token: SeRestorePrivilege 632 TiWorker.exe Token: SeSecurityPrivilege 632 TiWorker.exe Token: SeBackupPrivilege 632 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0c922c3498b639e1340b836f3961e2de78a8ef828396dff6626ed4a136014110.execmd.exedescription pid process target process PID 3088 wrote to memory of 4056 3088 0c922c3498b639e1340b836f3961e2de78a8ef828396dff6626ed4a136014110.exe MediaCenter.exe PID 3088 wrote to memory of 4056 3088 0c922c3498b639e1340b836f3961e2de78a8ef828396dff6626ed4a136014110.exe MediaCenter.exe PID 3088 wrote to memory of 4056 3088 0c922c3498b639e1340b836f3961e2de78a8ef828396dff6626ed4a136014110.exe MediaCenter.exe PID 3088 wrote to memory of 1152 3088 0c922c3498b639e1340b836f3961e2de78a8ef828396dff6626ed4a136014110.exe cmd.exe PID 3088 wrote to memory of 1152 3088 0c922c3498b639e1340b836f3961e2de78a8ef828396dff6626ed4a136014110.exe cmd.exe PID 3088 wrote to memory of 1152 3088 0c922c3498b639e1340b836f3961e2de78a8ef828396dff6626ed4a136014110.exe cmd.exe PID 1152 wrote to memory of 1772 1152 cmd.exe PING.EXE PID 1152 wrote to memory of 1772 1152 cmd.exe PING.EXE PID 1152 wrote to memory of 1772 1152 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0c922c3498b639e1340b836f3961e2de78a8ef828396dff6626ed4a136014110.exe"C:\Users\Admin\AppData\Local\Temp\0c922c3498b639e1340b836f3961e2de78a8ef828396dff6626ed4a136014110.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3088 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:4056 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0c922c3498b639e1340b836f3961e2de78a8ef828396dff6626ed4a136014110.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1152 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1772
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:1188
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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:956
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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:632
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
ca8e9a116348cacae8224d3fe73b4ee6
SHA13af097d554a07a35b4ea5c1012f458df54ce1689
SHA2565f2016f85c69e48770cc1dc2365f0e15082bf6c8b3dd785b4878f648bface653
SHA512f8b89057b73a6107b7ff53f6b08beb927b05fb3b05c9788aaa3002ff1cbb78bfdc062a444647ec276f4491400d2d08aa5527543175f8551a07f760e138a5f546
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MD5
ca8e9a116348cacae8224d3fe73b4ee6
SHA13af097d554a07a35b4ea5c1012f458df54ce1689
SHA2565f2016f85c69e48770cc1dc2365f0e15082bf6c8b3dd785b4878f648bface653
SHA512f8b89057b73a6107b7ff53f6b08beb927b05fb3b05c9788aaa3002ff1cbb78bfdc062a444647ec276f4491400d2d08aa5527543175f8551a07f760e138a5f546