Analysis
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max time kernel
178s -
max time network
188s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 03:27
Static task
static1
Behavioral task
behavioral1
Sample
179b0f78c55488f9d942d61b4273ed949fa0fce7479e4a281732c92a77e30b71.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
179b0f78c55488f9d942d61b4273ed949fa0fce7479e4a281732c92a77e30b71.exe
Resource
win10v2004-en-20220112
General
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Target
179b0f78c55488f9d942d61b4273ed949fa0fce7479e4a281732c92a77e30b71.exe
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Size
216KB
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MD5
f0e9e8c0758a3685216e0444064c4221
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SHA1
569c77c2697041f0a8264308890b050d4e53ec04
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SHA256
179b0f78c55488f9d942d61b4273ed949fa0fce7479e4a281732c92a77e30b71
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SHA512
18f76f7841dd47e8af4e08952e2ed8b8564b1235c01b44fd7ada1530e193e634de7261bb4744ad69c5539be9017466305d7aa28ca8d73a47ff9117bfefc612b5
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/3724-132-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 4040 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
179b0f78c55488f9d942d61b4273ed949fa0fce7479e4a281732c92a77e30b71.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 179b0f78c55488f9d942d61b4273ed949fa0fce7479e4a281732c92a77e30b71.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
179b0f78c55488f9d942d61b4273ed949fa0fce7479e4a281732c92a77e30b71.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 179b0f78c55488f9d942d61b4273ed949fa0fce7479e4a281732c92a77e30b71.exe -
Drops file in Windows directory 3 IoCs
Processes:
TiWorker.exesvchost.exedescription ioc process 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 File opened for modification C:\Windows\Logs\CBS\CBS.log 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 (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\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 (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\NormalDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.811578" 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\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 (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\Usage\LANConnectionCount = "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\PriorityDownloadCount = "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\DownloadMonthlyInternetBytes = "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\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 (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.162727" 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\SwarmCount = "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\DownloadMonthlyGroupBytes = "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\GroupConnectionCount = "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\MemoryUsageKB = "4104" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4364" 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\Config\KVFileExpirationTime = "132892865213428038" 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\DownlinkBps = "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\Config 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\DownloadMonthlyRateFrCnt = "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 (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\DownloadMonthlyCdnBytes = "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\CacheSizeBytes = "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\Config\DODownloadMode = "1" 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\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\UploadCount = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
179b0f78c55488f9d942d61b4273ed949fa0fce7479e4a281732c92a77e30b71.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 3724 179b0f78c55488f9d942d61b4273ed949fa0fce7479e4a281732c92a77e30b71.exe Token: SeSecurityPrivilege 3852 TiWorker.exe Token: SeRestorePrivilege 3852 TiWorker.exe Token: SeBackupPrivilege 3852 TiWorker.exe Token: SeBackupPrivilege 3852 TiWorker.exe Token: SeRestorePrivilege 3852 TiWorker.exe Token: SeSecurityPrivilege 3852 TiWorker.exe Token: SeBackupPrivilege 3852 TiWorker.exe Token: SeRestorePrivilege 3852 TiWorker.exe Token: SeSecurityPrivilege 3852 TiWorker.exe Token: SeBackupPrivilege 3852 TiWorker.exe Token: SeRestorePrivilege 3852 TiWorker.exe Token: SeSecurityPrivilege 3852 TiWorker.exe Token: SeBackupPrivilege 3852 TiWorker.exe Token: SeRestorePrivilege 3852 TiWorker.exe Token: SeSecurityPrivilege 3852 TiWorker.exe Token: SeBackupPrivilege 3852 TiWorker.exe Token: SeRestorePrivilege 3852 TiWorker.exe Token: SeSecurityPrivilege 3852 TiWorker.exe Token: SeBackupPrivilege 3852 TiWorker.exe Token: SeRestorePrivilege 3852 TiWorker.exe Token: SeSecurityPrivilege 3852 TiWorker.exe Token: SeBackupPrivilege 3852 TiWorker.exe Token: SeRestorePrivilege 3852 TiWorker.exe Token: SeSecurityPrivilege 3852 TiWorker.exe Token: SeBackupPrivilege 3852 TiWorker.exe Token: SeRestorePrivilege 3852 TiWorker.exe Token: SeSecurityPrivilege 3852 TiWorker.exe Token: SeBackupPrivilege 3852 TiWorker.exe Token: SeRestorePrivilege 3852 TiWorker.exe Token: SeSecurityPrivilege 3852 TiWorker.exe Token: SeBackupPrivilege 3852 TiWorker.exe Token: SeRestorePrivilege 3852 TiWorker.exe Token: SeSecurityPrivilege 3852 TiWorker.exe Token: SeBackupPrivilege 3852 TiWorker.exe Token: SeRestorePrivilege 3852 TiWorker.exe Token: SeSecurityPrivilege 3852 TiWorker.exe Token: SeBackupPrivilege 3852 TiWorker.exe Token: SeRestorePrivilege 3852 TiWorker.exe Token: SeSecurityPrivilege 3852 TiWorker.exe Token: SeBackupPrivilege 3852 TiWorker.exe Token: SeRestorePrivilege 3852 TiWorker.exe Token: SeSecurityPrivilege 3852 TiWorker.exe Token: SeBackupPrivilege 3852 TiWorker.exe Token: SeRestorePrivilege 3852 TiWorker.exe Token: SeSecurityPrivilege 3852 TiWorker.exe Token: SeBackupPrivilege 3852 TiWorker.exe Token: SeRestorePrivilege 3852 TiWorker.exe Token: SeSecurityPrivilege 3852 TiWorker.exe Token: SeBackupPrivilege 3852 TiWorker.exe Token: SeRestorePrivilege 3852 TiWorker.exe Token: SeSecurityPrivilege 3852 TiWorker.exe Token: SeBackupPrivilege 3852 TiWorker.exe Token: SeRestorePrivilege 3852 TiWorker.exe Token: SeSecurityPrivilege 3852 TiWorker.exe Token: SeBackupPrivilege 3852 TiWorker.exe Token: SeRestorePrivilege 3852 TiWorker.exe Token: SeSecurityPrivilege 3852 TiWorker.exe Token: SeBackupPrivilege 3852 TiWorker.exe Token: SeRestorePrivilege 3852 TiWorker.exe Token: SeSecurityPrivilege 3852 TiWorker.exe Token: SeBackupPrivilege 3852 TiWorker.exe Token: SeRestorePrivilege 3852 TiWorker.exe Token: SeSecurityPrivilege 3852 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
179b0f78c55488f9d942d61b4273ed949fa0fce7479e4a281732c92a77e30b71.execmd.exedescription pid process target process PID 3724 wrote to memory of 4040 3724 179b0f78c55488f9d942d61b4273ed949fa0fce7479e4a281732c92a77e30b71.exe MediaCenter.exe PID 3724 wrote to memory of 4040 3724 179b0f78c55488f9d942d61b4273ed949fa0fce7479e4a281732c92a77e30b71.exe MediaCenter.exe PID 3724 wrote to memory of 4040 3724 179b0f78c55488f9d942d61b4273ed949fa0fce7479e4a281732c92a77e30b71.exe MediaCenter.exe PID 3724 wrote to memory of 2196 3724 179b0f78c55488f9d942d61b4273ed949fa0fce7479e4a281732c92a77e30b71.exe cmd.exe PID 3724 wrote to memory of 2196 3724 179b0f78c55488f9d942d61b4273ed949fa0fce7479e4a281732c92a77e30b71.exe cmd.exe PID 3724 wrote to memory of 2196 3724 179b0f78c55488f9d942d61b4273ed949fa0fce7479e4a281732c92a77e30b71.exe cmd.exe PID 2196 wrote to memory of 3616 2196 cmd.exe PING.EXE PID 2196 wrote to memory of 3616 2196 cmd.exe PING.EXE PID 2196 wrote to memory of 3616 2196 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\179b0f78c55488f9d942d61b4273ed949fa0fce7479e4a281732c92a77e30b71.exe"C:\Users\Admin\AppData\Local\Temp\179b0f78c55488f9d942d61b4273ed949fa0fce7479e4a281732c92a77e30b71.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3724 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:4040 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\179b0f78c55488f9d942d61b4273ed949fa0fce7479e4a281732c92a77e30b71.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2196 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3616
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:2560
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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:3000
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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:3852
Network
MITRE ATT&CK Enterprise v6
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Downloads
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MD5
6a3b07c9bf5168912776c9e98d149d14
SHA1dba49ee5a8092a4778baa9e627cc2c1890eab391
SHA2566d32cc174456f573c7f716b845d8b259e64ce0fe2d098e659ca4ce913b831226
SHA5124c6287dd08760da4f8a481bcd7f9d36716e941381463760efbf2c111358325f4f0746f6f75cd68306f4239eea5860ebdb8e08061bca719b0f3671f0fa66bf420
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MD5
6a3b07c9bf5168912776c9e98d149d14
SHA1dba49ee5a8092a4778baa9e627cc2c1890eab391
SHA2566d32cc174456f573c7f716b845d8b259e64ce0fe2d098e659ca4ce913b831226
SHA5124c6287dd08760da4f8a481bcd7f9d36716e941381463760efbf2c111358325f4f0746f6f75cd68306f4239eea5860ebdb8e08061bca719b0f3671f0fa66bf420