Analysis
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max time kernel
157s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 07:50
Static task
static1
Behavioral task
behavioral1
Sample
0c8be62cb3d97eaa0eff72b8811a349ee46a9069eeeb699f44c78db9d19b5974.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0c8be62cb3d97eaa0eff72b8811a349ee46a9069eeeb699f44c78db9d19b5974.exe
Resource
win10v2004-en-20220112
General
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Target
0c8be62cb3d97eaa0eff72b8811a349ee46a9069eeeb699f44c78db9d19b5974.exe
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Size
92KB
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MD5
ba2ea182d3c65c3bad8a2e19f7555016
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SHA1
aaca4f45518daeb6ea5e0e26f1a45e8bb16347ca
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SHA256
0c8be62cb3d97eaa0eff72b8811a349ee46a9069eeeb699f44c78db9d19b5974
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SHA512
89ddfada28dd9f2ae604a21752a5d9fd00adea0c8414c833b23b8bff481ed0587f80964dfdd14786a76ec6d7c06fca1f701b87840131c2a5df74e200c68f6d3e
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 -
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 2980 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0c8be62cb3d97eaa0eff72b8811a349ee46a9069eeeb699f44c78db9d19b5974.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0c8be62cb3d97eaa0eff72b8811a349ee46a9069eeeb699f44c78db9d19b5974.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0c8be62cb3d97eaa0eff72b8811a349ee46a9069eeeb699f44c78db9d19b5974.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0c8be62cb3d97eaa0eff72b8811a349ee46a9069eeeb699f44c78db9d19b5974.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 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\FrDownloadRatePct = "90" 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\UploadMonthlyLanBytes = "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\UplinkBps = "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\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\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\CDNConnectionCount = "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\Usage\NormalDownloadCount = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization 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\DownloadMonthlyCdnBytes = "90228624" 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\SwarmCount = "1" 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\DownloadMonthlyLinkLocalBytes = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.166497" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893024664889774" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrBps = "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\DownloadMonthlyRateBkBps = "1157726" 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\BkDownloadRatePct = "45" 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\MemoryUsageKB = "4056" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1" 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\DownloadMonthlyCacheHostBytes = "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\DownlinkUsageBps = "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\DownloadMonthlyInternetBytes = "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\MemoryUsageKB = "4328" 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\UploadRatePct = "100" 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\DownloadMonthlyCdnBytes = "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\NormalDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4332" 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\LinkLocalConnectionCount = "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\UplinkUsageBps = "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\Config\DODownloadMode = "1" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.778165" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
0c8be62cb3d97eaa0eff72b8811a349ee46a9069eeeb699f44c78db9d19b5974.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 208 0c8be62cb3d97eaa0eff72b8811a349ee46a9069eeeb699f44c78db9d19b5974.exe Token: SeSecurityPrivilege 3784 TiWorker.exe Token: SeRestorePrivilege 3784 TiWorker.exe Token: SeBackupPrivilege 3784 TiWorker.exe Token: SeBackupPrivilege 3784 TiWorker.exe Token: SeRestorePrivilege 3784 TiWorker.exe Token: SeSecurityPrivilege 3784 TiWorker.exe Token: SeBackupPrivilege 3784 TiWorker.exe Token: SeRestorePrivilege 3784 TiWorker.exe Token: SeSecurityPrivilege 3784 TiWorker.exe Token: SeBackupPrivilege 3784 TiWorker.exe Token: SeRestorePrivilege 3784 TiWorker.exe Token: SeSecurityPrivilege 3784 TiWorker.exe Token: SeBackupPrivilege 3784 TiWorker.exe Token: SeRestorePrivilege 3784 TiWorker.exe Token: SeSecurityPrivilege 3784 TiWorker.exe Token: SeBackupPrivilege 3784 TiWorker.exe Token: SeRestorePrivilege 3784 TiWorker.exe Token: SeSecurityPrivilege 3784 TiWorker.exe Token: SeBackupPrivilege 3784 TiWorker.exe Token: SeRestorePrivilege 3784 TiWorker.exe Token: SeSecurityPrivilege 3784 TiWorker.exe Token: SeBackupPrivilege 3784 TiWorker.exe Token: SeRestorePrivilege 3784 TiWorker.exe Token: SeSecurityPrivilege 3784 TiWorker.exe Token: SeBackupPrivilege 3784 TiWorker.exe Token: SeRestorePrivilege 3784 TiWorker.exe Token: SeSecurityPrivilege 3784 TiWorker.exe Token: SeBackupPrivilege 3784 TiWorker.exe Token: SeRestorePrivilege 3784 TiWorker.exe Token: SeSecurityPrivilege 3784 TiWorker.exe Token: SeBackupPrivilege 3784 TiWorker.exe Token: SeRestorePrivilege 3784 TiWorker.exe Token: SeSecurityPrivilege 3784 TiWorker.exe Token: SeBackupPrivilege 3784 TiWorker.exe Token: SeRestorePrivilege 3784 TiWorker.exe Token: SeSecurityPrivilege 3784 TiWorker.exe Token: SeBackupPrivilege 3784 TiWorker.exe Token: SeRestorePrivilege 3784 TiWorker.exe Token: SeSecurityPrivilege 3784 TiWorker.exe Token: SeBackupPrivilege 3784 TiWorker.exe Token: SeRestorePrivilege 3784 TiWorker.exe Token: SeSecurityPrivilege 3784 TiWorker.exe Token: SeBackupPrivilege 3784 TiWorker.exe Token: SeRestorePrivilege 3784 TiWorker.exe Token: SeSecurityPrivilege 3784 TiWorker.exe Token: SeBackupPrivilege 3784 TiWorker.exe Token: SeRestorePrivilege 3784 TiWorker.exe Token: SeSecurityPrivilege 3784 TiWorker.exe Token: SeBackupPrivilege 3784 TiWorker.exe Token: SeRestorePrivilege 3784 TiWorker.exe Token: SeSecurityPrivilege 3784 TiWorker.exe Token: SeBackupPrivilege 3784 TiWorker.exe Token: SeRestorePrivilege 3784 TiWorker.exe Token: SeSecurityPrivilege 3784 TiWorker.exe Token: SeBackupPrivilege 3784 TiWorker.exe Token: SeRestorePrivilege 3784 TiWorker.exe Token: SeSecurityPrivilege 3784 TiWorker.exe Token: SeBackupPrivilege 3784 TiWorker.exe Token: SeRestorePrivilege 3784 TiWorker.exe Token: SeSecurityPrivilege 3784 TiWorker.exe Token: SeBackupPrivilege 3784 TiWorker.exe Token: SeRestorePrivilege 3784 TiWorker.exe Token: SeSecurityPrivilege 3784 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0c8be62cb3d97eaa0eff72b8811a349ee46a9069eeeb699f44c78db9d19b5974.execmd.exedescription pid process target process PID 208 wrote to memory of 2980 208 0c8be62cb3d97eaa0eff72b8811a349ee46a9069eeeb699f44c78db9d19b5974.exe MediaCenter.exe PID 208 wrote to memory of 2980 208 0c8be62cb3d97eaa0eff72b8811a349ee46a9069eeeb699f44c78db9d19b5974.exe MediaCenter.exe PID 208 wrote to memory of 2980 208 0c8be62cb3d97eaa0eff72b8811a349ee46a9069eeeb699f44c78db9d19b5974.exe MediaCenter.exe PID 208 wrote to memory of 2604 208 0c8be62cb3d97eaa0eff72b8811a349ee46a9069eeeb699f44c78db9d19b5974.exe cmd.exe PID 208 wrote to memory of 2604 208 0c8be62cb3d97eaa0eff72b8811a349ee46a9069eeeb699f44c78db9d19b5974.exe cmd.exe PID 208 wrote to memory of 2604 208 0c8be62cb3d97eaa0eff72b8811a349ee46a9069eeeb699f44c78db9d19b5974.exe cmd.exe PID 2604 wrote to memory of 3920 2604 cmd.exe PING.EXE PID 2604 wrote to memory of 3920 2604 cmd.exe PING.EXE PID 2604 wrote to memory of 3920 2604 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0c8be62cb3d97eaa0eff72b8811a349ee46a9069eeeb699f44c78db9d19b5974.exe"C:\Users\Admin\AppData\Local\Temp\0c8be62cb3d97eaa0eff72b8811a349ee46a9069eeeb699f44c78db9d19b5974.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:208 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2980 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0c8be62cb3d97eaa0eff72b8811a349ee46a9069eeeb699f44c78db9d19b5974.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2604 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3920
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:1944
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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:3792
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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:3784
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
120d9a01468034162bb64fe637dd08f3
SHA1e8034a77d50fb99dac2a5870ee9e6d35fd88b8aa
SHA256a328159c924b8a876bbe34fb3eb5ffae04f10542d5ef9693f85aab2c2d537427
SHA512f0f2e01945d8b8b1c2b4e24f64d9dc9d5579c1d379540b2095995e75f5932d3fa8156d0a9a6802f0dd5b0f14b99a55bd6845260179dd09b7aba0e15106ebe46f
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MD5
120d9a01468034162bb64fe637dd08f3
SHA1e8034a77d50fb99dac2a5870ee9e6d35fd88b8aa
SHA256a328159c924b8a876bbe34fb3eb5ffae04f10542d5ef9693f85aab2c2d537427
SHA512f0f2e01945d8b8b1c2b4e24f64d9dc9d5579c1d379540b2095995e75f5932d3fa8156d0a9a6802f0dd5b0f14b99a55bd6845260179dd09b7aba0e15106ebe46f