Analysis
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max time kernel
178s -
max time network
178s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 03:53
Static task
static1
Behavioral task
behavioral1
Sample
168d48cc9afcde8ce11569ac6cde753088a9e1717b3de9ee9e58db0ab5699d2e.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
168d48cc9afcde8ce11569ac6cde753088a9e1717b3de9ee9e58db0ab5699d2e.exe
Resource
win10v2004-en-20220112
General
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Target
168d48cc9afcde8ce11569ac6cde753088a9e1717b3de9ee9e58db0ab5699d2e.exe
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Size
216KB
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MD5
dde9d37e90bbe1e5b668c37c63036d93
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SHA1
95d0390bfafe6420e3ea29b87d1ba2507a23d7cc
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SHA256
168d48cc9afcde8ce11569ac6cde753088a9e1717b3de9ee9e58db0ab5699d2e
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SHA512
7908eaee7e8cdfc7e15ea23dfa62fb3a7e002b1828e0affb8fa285ed0a9806d14f1132ff9cbb594024ac66a206f77002da94934863108e4d1fa364da1466582b
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/4036-132-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/2396-133-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 2396 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
168d48cc9afcde8ce11569ac6cde753088a9e1717b3de9ee9e58db0ab5699d2e.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 168d48cc9afcde8ce11569ac6cde753088a9e1717b3de9ee9e58db0ab5699d2e.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
168d48cc9afcde8ce11569ac6cde753088a9e1717b3de9ee9e58db0ab5699d2e.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 168d48cc9afcde8ce11569ac6cde753088a9e1717b3de9ee9e58db0ab5699d2e.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 49 IoCs
Processes:
svchost.exedescription ioc process 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\Config\DODownloadMode = "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\DownlinkUsageBps = "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\UplinkUsageBps = "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\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\FrDownloadRatePct = "90" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.369826" 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\DownloadMonthlyRateBkCnt = "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\MemoryUsageKB = "4096" 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 = "4.347870" 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\Config\DownloadMode_BackCompat = "1" 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 (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\DownlinkBps = "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\PriorityDownloadPendingCount = "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\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\MonthID = "2" 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\MemoryUsageKB = "4168" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "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\UploadMonthlyLanBytes = "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\PeerInfoCount = "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\Config 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\UploadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.000035" 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\DownloadMonthlyRateFrCnt = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892881878762837" 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\NormalDownloadCount = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
168d48cc9afcde8ce11569ac6cde753088a9e1717b3de9ee9e58db0ab5699d2e.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 4036 168d48cc9afcde8ce11569ac6cde753088a9e1717b3de9ee9e58db0ab5699d2e.exe Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
168d48cc9afcde8ce11569ac6cde753088a9e1717b3de9ee9e58db0ab5699d2e.execmd.exedescription pid process target process PID 4036 wrote to memory of 2396 4036 168d48cc9afcde8ce11569ac6cde753088a9e1717b3de9ee9e58db0ab5699d2e.exe MediaCenter.exe PID 4036 wrote to memory of 2396 4036 168d48cc9afcde8ce11569ac6cde753088a9e1717b3de9ee9e58db0ab5699d2e.exe MediaCenter.exe PID 4036 wrote to memory of 2396 4036 168d48cc9afcde8ce11569ac6cde753088a9e1717b3de9ee9e58db0ab5699d2e.exe MediaCenter.exe PID 4036 wrote to memory of 3324 4036 168d48cc9afcde8ce11569ac6cde753088a9e1717b3de9ee9e58db0ab5699d2e.exe cmd.exe PID 4036 wrote to memory of 3324 4036 168d48cc9afcde8ce11569ac6cde753088a9e1717b3de9ee9e58db0ab5699d2e.exe cmd.exe PID 4036 wrote to memory of 3324 4036 168d48cc9afcde8ce11569ac6cde753088a9e1717b3de9ee9e58db0ab5699d2e.exe cmd.exe PID 3324 wrote to memory of 3800 3324 cmd.exe PING.EXE PID 3324 wrote to memory of 3800 3324 cmd.exe PING.EXE PID 3324 wrote to memory of 3800 3324 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\168d48cc9afcde8ce11569ac6cde753088a9e1717b3de9ee9e58db0ab5699d2e.exe"C:\Users\Admin\AppData\Local\Temp\168d48cc9afcde8ce11569ac6cde753088a9e1717b3de9ee9e58db0ab5699d2e.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4036 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2396 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\168d48cc9afcde8ce11569ac6cde753088a9e1717b3de9ee9e58db0ab5699d2e.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3324 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3800
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3344
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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:1472
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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:1620
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
b0e683f4ecef4e99264dcb8a896aa757
SHA1f0daa0dc40d68d91b355e67e2d83ac8d3d84e511
SHA256c3e9e389eed768e591b5db86745df8245cbf6e0b81de61f6e2ce5d8e177ff29f
SHA5121133923e3819ed71708b602707b720893186dba33a49af6f1b095aba754c754059d767b410020c94a4a29f19d0ebabe9857604312ca2a99cbba857f416edd0dd
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MD5
b0e683f4ecef4e99264dcb8a896aa757
SHA1f0daa0dc40d68d91b355e67e2d83ac8d3d84e511
SHA256c3e9e389eed768e591b5db86745df8245cbf6e0b81de61f6e2ce5d8e177ff29f
SHA5121133923e3819ed71708b602707b720893186dba33a49af6f1b095aba754c754059d767b410020c94a4a29f19d0ebabe9857604312ca2a99cbba857f416edd0dd