Analysis
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max time kernel
169s -
max time network
176s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 03:32
Static task
static1
Behavioral task
behavioral1
Sample
1767c64dfeee3df386f20ef7297b42719a1dd34e1c7411684d6d4e762f3b2c7e.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
1767c64dfeee3df386f20ef7297b42719a1dd34e1c7411684d6d4e762f3b2c7e.exe
Resource
win10v2004-en-20220112
General
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Target
1767c64dfeee3df386f20ef7297b42719a1dd34e1c7411684d6d4e762f3b2c7e.exe
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Size
168KB
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MD5
1277754a9e270620875e4962c2280312
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SHA1
1a7bdc81edb913e6773a5350b6a3e9dce45ee96e
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SHA256
1767c64dfeee3df386f20ef7297b42719a1dd34e1c7411684d6d4e762f3b2c7e
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SHA512
1fdb883d59de4fe819b95419c14cacb4c7ce36ea935139f0dfda45067a1c86faa0e0b2befbf758b8f50d06f2e535e384b34e9d97b7d6908f2b27bcf1b1bc3d33
Malware Config
Signatures
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Sakula Payload 4 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/3024-132-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/1044-133-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 1044 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
1767c64dfeee3df386f20ef7297b42719a1dd34e1c7411684d6d4e762f3b2c7e.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 1767c64dfeee3df386f20ef7297b42719a1dd34e1c7411684d6d4e762f3b2c7e.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
1767c64dfeee3df386f20ef7297b42719a1dd34e1c7411684d6d4e762f3b2c7e.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 1767c64dfeee3df386f20ef7297b42719a1dd34e1c7411684d6d4e762f3b2c7e.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 49 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\InternetConnectionCount = "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\MemoryUsageKB = "4184" 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\DownloadMonthlyRateFrBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892868927954020" 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\Config\DownloadMode_BackCompat = "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\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\UplinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1" 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\DownloadMonthlyLinkLocalBytes = "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\Geo_EndpointFullUri = "https://geo.prod.do.dsp.mp.microsoft.com/geo" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.261780" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4424" 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\DownloadMonthlyCacheHostBytes = "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\UplinkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.149418" 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\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\PriorityDownloadPendingCount = "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\SwarmCount = "1" 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\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\SwarmCount = "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\UploadRatePct = "100" 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\UploadMonthlyLanBytes = "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\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\DownloadMonthlyRateFrCnt = "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 = "25.004841" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
1767c64dfeee3df386f20ef7297b42719a1dd34e1c7411684d6d4e762f3b2c7e.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 3024 1767c64dfeee3df386f20ef7297b42719a1dd34e1c7411684d6d4e762f3b2c7e.exe Token: SeSecurityPrivilege 3256 TiWorker.exe Token: SeRestorePrivilege 3256 TiWorker.exe Token: SeBackupPrivilege 3256 TiWorker.exe Token: SeBackupPrivilege 3256 TiWorker.exe Token: SeRestorePrivilege 3256 TiWorker.exe Token: SeSecurityPrivilege 3256 TiWorker.exe Token: SeBackupPrivilege 3256 TiWorker.exe Token: SeRestorePrivilege 3256 TiWorker.exe Token: SeSecurityPrivilege 3256 TiWorker.exe Token: SeBackupPrivilege 3256 TiWorker.exe Token: SeRestorePrivilege 3256 TiWorker.exe Token: SeSecurityPrivilege 3256 TiWorker.exe Token: SeBackupPrivilege 3256 TiWorker.exe Token: SeRestorePrivilege 3256 TiWorker.exe Token: SeSecurityPrivilege 3256 TiWorker.exe Token: SeBackupPrivilege 3256 TiWorker.exe Token: SeRestorePrivilege 3256 TiWorker.exe Token: SeSecurityPrivilege 3256 TiWorker.exe Token: SeBackupPrivilege 3256 TiWorker.exe Token: SeRestorePrivilege 3256 TiWorker.exe Token: SeSecurityPrivilege 3256 TiWorker.exe Token: SeBackupPrivilege 3256 TiWorker.exe Token: SeRestorePrivilege 3256 TiWorker.exe Token: SeSecurityPrivilege 3256 TiWorker.exe Token: SeBackupPrivilege 3256 TiWorker.exe Token: SeRestorePrivilege 3256 TiWorker.exe Token: SeSecurityPrivilege 3256 TiWorker.exe Token: SeBackupPrivilege 3256 TiWorker.exe Token: SeRestorePrivilege 3256 TiWorker.exe Token: SeSecurityPrivilege 3256 TiWorker.exe Token: SeBackupPrivilege 3256 TiWorker.exe Token: SeRestorePrivilege 3256 TiWorker.exe Token: SeSecurityPrivilege 3256 TiWorker.exe Token: SeBackupPrivilege 3256 TiWorker.exe Token: SeRestorePrivilege 3256 TiWorker.exe Token: SeSecurityPrivilege 3256 TiWorker.exe Token: SeBackupPrivilege 3256 TiWorker.exe Token: SeRestorePrivilege 3256 TiWorker.exe Token: SeSecurityPrivilege 3256 TiWorker.exe Token: SeBackupPrivilege 3256 TiWorker.exe Token: SeRestorePrivilege 3256 TiWorker.exe Token: SeSecurityPrivilege 3256 TiWorker.exe Token: SeBackupPrivilege 3256 TiWorker.exe Token: SeRestorePrivilege 3256 TiWorker.exe Token: SeSecurityPrivilege 3256 TiWorker.exe Token: SeBackupPrivilege 3256 TiWorker.exe Token: SeRestorePrivilege 3256 TiWorker.exe Token: SeSecurityPrivilege 3256 TiWorker.exe Token: SeBackupPrivilege 3256 TiWorker.exe Token: SeRestorePrivilege 3256 TiWorker.exe Token: SeSecurityPrivilege 3256 TiWorker.exe Token: SeBackupPrivilege 3256 TiWorker.exe Token: SeRestorePrivilege 3256 TiWorker.exe Token: SeSecurityPrivilege 3256 TiWorker.exe Token: SeBackupPrivilege 3256 TiWorker.exe Token: SeRestorePrivilege 3256 TiWorker.exe Token: SeSecurityPrivilege 3256 TiWorker.exe Token: SeBackupPrivilege 3256 TiWorker.exe Token: SeRestorePrivilege 3256 TiWorker.exe Token: SeSecurityPrivilege 3256 TiWorker.exe Token: SeBackupPrivilege 3256 TiWorker.exe Token: SeRestorePrivilege 3256 TiWorker.exe Token: SeSecurityPrivilege 3256 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
1767c64dfeee3df386f20ef7297b42719a1dd34e1c7411684d6d4e762f3b2c7e.execmd.exedescription pid process target process PID 3024 wrote to memory of 1044 3024 1767c64dfeee3df386f20ef7297b42719a1dd34e1c7411684d6d4e762f3b2c7e.exe MediaCenter.exe PID 3024 wrote to memory of 1044 3024 1767c64dfeee3df386f20ef7297b42719a1dd34e1c7411684d6d4e762f3b2c7e.exe MediaCenter.exe PID 3024 wrote to memory of 1044 3024 1767c64dfeee3df386f20ef7297b42719a1dd34e1c7411684d6d4e762f3b2c7e.exe MediaCenter.exe PID 3024 wrote to memory of 2800 3024 1767c64dfeee3df386f20ef7297b42719a1dd34e1c7411684d6d4e762f3b2c7e.exe cmd.exe PID 3024 wrote to memory of 2800 3024 1767c64dfeee3df386f20ef7297b42719a1dd34e1c7411684d6d4e762f3b2c7e.exe cmd.exe PID 3024 wrote to memory of 2800 3024 1767c64dfeee3df386f20ef7297b42719a1dd34e1c7411684d6d4e762f3b2c7e.exe cmd.exe PID 2800 wrote to memory of 2108 2800 cmd.exe PING.EXE PID 2800 wrote to memory of 2108 2800 cmd.exe PING.EXE PID 2800 wrote to memory of 2108 2800 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\1767c64dfeee3df386f20ef7297b42719a1dd34e1c7411684d6d4e762f3b2c7e.exe"C:\Users\Admin\AppData\Local\Temp\1767c64dfeee3df386f20ef7297b42719a1dd34e1c7411684d6d4e762f3b2c7e.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3024 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1044 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1767c64dfeee3df386f20ef7297b42719a1dd34e1c7411684d6d4e762f3b2c7e.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2800 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2108
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:1056
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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:4080
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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:3256
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
6a50b9256e7852fe3ae785e636346f3b
SHA13a0a3a70b0e3864031a7a6f9ab2300946146b503
SHA256ed0a33450d426bc1398e50210c1a2058a6b87e3f57ac1f321b25e8d204a4f201
SHA5125ccdef5354a90027562483c8cff0716c03d90a28abf52bed2b9a6436c9309e6479d5df4e17240e6df4c09ecac17a97fc11631f69a4d47dcb315cfac690a8c511
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MD5
6a50b9256e7852fe3ae785e636346f3b
SHA13a0a3a70b0e3864031a7a6f9ab2300946146b503
SHA256ed0a33450d426bc1398e50210c1a2058a6b87e3f57ac1f321b25e8d204a4f201
SHA5125ccdef5354a90027562483c8cff0716c03d90a28abf52bed2b9a6436c9309e6479d5df4e17240e6df4c09ecac17a97fc11631f69a4d47dcb315cfac690a8c511