Analysis
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max time kernel
159s -
max time network
177s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 07:41
Static task
static1
Behavioral task
behavioral1
Sample
0ce9fd81347138b856dc7b6c010038096c8f78cd053806056adf7468f7c66712.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0ce9fd81347138b856dc7b6c010038096c8f78cd053806056adf7468f7c66712.exe
Resource
win10v2004-en-20220112
General
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Target
0ce9fd81347138b856dc7b6c010038096c8f78cd053806056adf7468f7c66712.exe
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Size
192KB
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MD5
621956675cd9433813161011c9a4686e
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SHA1
7f49b948231b1a763170a82ae365e879b2d7de32
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SHA256
0ce9fd81347138b856dc7b6c010038096c8f78cd053806056adf7468f7c66712
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SHA512
942b0ff47ec3a0e8a77b3b4dce5ce6d02d1a2d18780d0fb41e20c7d5d0a1defeb8cbb6593b872f528f99b0a7131f9a9d9d8d82e8d0b9285fd2feae39a4a34464
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 -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 3956 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0ce9fd81347138b856dc7b6c010038096c8f78cd053806056adf7468f7c66712.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0ce9fd81347138b856dc7b6c010038096c8f78cd053806056adf7468f7c66712.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0ce9fd81347138b856dc7b6c010038096c8f78cd053806056adf7468f7c66712.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0ce9fd81347138b856dc7b6c010038096c8f78cd053806056adf7468f7c66712.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 50 IoCs
Processes:
svchost.exedescription ioc process 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\MonthlyUploadRestriction = "0" 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\Config 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\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\InternetConnectionCount = "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\DownlinkUsageBps = "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\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\Config\KVFileExpirationTime = "132893019480454950" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.380944" 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\DownloadMonthlyRateFrCnt = "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\DownloadMonthlyRateFrBps = "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\DownlinkBps = "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 = "2.616268" 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\SwarmCount = "1" 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\FrDownloadRatePct = "90" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4088" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4296" 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\Usage\CPUpct = "0.006712" 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\DownloadMonthlyGroupBytes = "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\PeerInfoCount = "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\GroupConnectionCount = "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\UploadCount = "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\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 (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\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 -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe0ce9fd81347138b856dc7b6c010038096c8f78cd053806056adf7468f7c66712.exedescription pid process Token: SeSecurityPrivilege 4028 TiWorker.exe Token: SeRestorePrivilege 4028 TiWorker.exe Token: SeBackupPrivilege 4028 TiWorker.exe Token: SeIncBasePriorityPrivilege 1776 0ce9fd81347138b856dc7b6c010038096c8f78cd053806056adf7468f7c66712.exe Token: SeBackupPrivilege 4028 TiWorker.exe Token: SeRestorePrivilege 4028 TiWorker.exe Token: SeSecurityPrivilege 4028 TiWorker.exe Token: SeBackupPrivilege 4028 TiWorker.exe Token: SeRestorePrivilege 4028 TiWorker.exe Token: SeSecurityPrivilege 4028 TiWorker.exe Token: SeBackupPrivilege 4028 TiWorker.exe Token: SeRestorePrivilege 4028 TiWorker.exe Token: SeSecurityPrivilege 4028 TiWorker.exe Token: SeBackupPrivilege 4028 TiWorker.exe Token: SeRestorePrivilege 4028 TiWorker.exe Token: SeSecurityPrivilege 4028 TiWorker.exe Token: SeBackupPrivilege 4028 TiWorker.exe Token: SeRestorePrivilege 4028 TiWorker.exe Token: SeSecurityPrivilege 4028 TiWorker.exe Token: SeBackupPrivilege 4028 TiWorker.exe Token: SeRestorePrivilege 4028 TiWorker.exe Token: SeSecurityPrivilege 4028 TiWorker.exe Token: SeBackupPrivilege 4028 TiWorker.exe Token: SeRestorePrivilege 4028 TiWorker.exe Token: SeSecurityPrivilege 4028 TiWorker.exe Token: SeBackupPrivilege 4028 TiWorker.exe Token: SeRestorePrivilege 4028 TiWorker.exe Token: SeSecurityPrivilege 4028 TiWorker.exe Token: SeBackupPrivilege 4028 TiWorker.exe Token: SeRestorePrivilege 4028 TiWorker.exe Token: SeSecurityPrivilege 4028 TiWorker.exe Token: SeBackupPrivilege 4028 TiWorker.exe Token: SeRestorePrivilege 4028 TiWorker.exe Token: SeSecurityPrivilege 4028 TiWorker.exe Token: SeBackupPrivilege 4028 TiWorker.exe Token: SeRestorePrivilege 4028 TiWorker.exe Token: SeSecurityPrivilege 4028 TiWorker.exe Token: SeBackupPrivilege 4028 TiWorker.exe Token: SeRestorePrivilege 4028 TiWorker.exe Token: SeSecurityPrivilege 4028 TiWorker.exe Token: SeBackupPrivilege 4028 TiWorker.exe Token: SeRestorePrivilege 4028 TiWorker.exe Token: SeSecurityPrivilege 4028 TiWorker.exe Token: SeBackupPrivilege 4028 TiWorker.exe Token: SeRestorePrivilege 4028 TiWorker.exe Token: SeSecurityPrivilege 4028 TiWorker.exe Token: SeBackupPrivilege 4028 TiWorker.exe Token: SeRestorePrivilege 4028 TiWorker.exe Token: SeSecurityPrivilege 4028 TiWorker.exe Token: SeBackupPrivilege 4028 TiWorker.exe Token: SeRestorePrivilege 4028 TiWorker.exe Token: SeSecurityPrivilege 4028 TiWorker.exe Token: SeBackupPrivilege 4028 TiWorker.exe Token: SeRestorePrivilege 4028 TiWorker.exe Token: SeSecurityPrivilege 4028 TiWorker.exe Token: SeBackupPrivilege 4028 TiWorker.exe Token: SeRestorePrivilege 4028 TiWorker.exe Token: SeSecurityPrivilege 4028 TiWorker.exe Token: SeBackupPrivilege 4028 TiWorker.exe Token: SeRestorePrivilege 4028 TiWorker.exe Token: SeSecurityPrivilege 4028 TiWorker.exe Token: SeBackupPrivilege 4028 TiWorker.exe Token: SeRestorePrivilege 4028 TiWorker.exe Token: SeSecurityPrivilege 4028 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0ce9fd81347138b856dc7b6c010038096c8f78cd053806056adf7468f7c66712.execmd.exedescription pid process target process PID 1776 wrote to memory of 3956 1776 0ce9fd81347138b856dc7b6c010038096c8f78cd053806056adf7468f7c66712.exe MediaCenter.exe PID 1776 wrote to memory of 3956 1776 0ce9fd81347138b856dc7b6c010038096c8f78cd053806056adf7468f7c66712.exe MediaCenter.exe PID 1776 wrote to memory of 3956 1776 0ce9fd81347138b856dc7b6c010038096c8f78cd053806056adf7468f7c66712.exe MediaCenter.exe PID 1776 wrote to memory of 1748 1776 0ce9fd81347138b856dc7b6c010038096c8f78cd053806056adf7468f7c66712.exe cmd.exe PID 1776 wrote to memory of 1748 1776 0ce9fd81347138b856dc7b6c010038096c8f78cd053806056adf7468f7c66712.exe cmd.exe PID 1776 wrote to memory of 1748 1776 0ce9fd81347138b856dc7b6c010038096c8f78cd053806056adf7468f7c66712.exe cmd.exe PID 1748 wrote to memory of 2096 1748 cmd.exe PING.EXE PID 1748 wrote to memory of 2096 1748 cmd.exe PING.EXE PID 1748 wrote to memory of 2096 1748 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0ce9fd81347138b856dc7b6c010038096c8f78cd053806056adf7468f7c66712.exe"C:\Users\Admin\AppData\Local\Temp\0ce9fd81347138b856dc7b6c010038096c8f78cd053806056adf7468f7c66712.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1776 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3956 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0ce9fd81347138b856dc7b6c010038096c8f78cd053806056adf7468f7c66712.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1748 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2096
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:636
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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:3040
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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:4028
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
61a77f02dfd27b00e4fa1efbbbdafea6
SHA18c998511779b9c24a857cf2681fafd7b9d293074
SHA25623f3d7fdaba4992af0ce8bc81ba2839920b37557d6c25522290e9138b879bc68
SHA512e629c8d38acf9972c3ca94b1e5aa9bfa5134913c8617cd44ae2422d7aad4cc04bbfc1748958ca3c78c288963f3490fc8237f3efda2bf3592760a8bab39cc733a
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MD5
61a77f02dfd27b00e4fa1efbbbdafea6
SHA18c998511779b9c24a857cf2681fafd7b9d293074
SHA25623f3d7fdaba4992af0ce8bc81ba2839920b37557d6c25522290e9138b879bc68
SHA512e629c8d38acf9972c3ca94b1e5aa9bfa5134913c8617cd44ae2422d7aad4cc04bbfc1748958ca3c78c288963f3490fc8237f3efda2bf3592760a8bab39cc733a