Analysis
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max time kernel
168s -
max time network
184s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 04:55
Static task
static1
Behavioral task
behavioral1
Sample
140519d3493decc81e335ccc7c5f867fcb0f12c62ff5bc55a22158f432a49587.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
140519d3493decc81e335ccc7c5f867fcb0f12c62ff5bc55a22158f432a49587.exe
Resource
win10v2004-en-20220112
General
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Target
140519d3493decc81e335ccc7c5f867fcb0f12c62ff5bc55a22158f432a49587.exe
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Size
92KB
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MD5
d436ac297fe15c650d0aa50d0d60b1c0
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SHA1
c2fb353bc2ee73a133f3f95426c6a3b25d85f2f0
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SHA256
140519d3493decc81e335ccc7c5f867fcb0f12c62ff5bc55a22158f432a49587
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SHA512
323e2636a341458456ee3f576af27ee8000a893434d6d6298889daca2388a10f7c4d8c4412508622e3d6e942de411d9bbbcd0582948a7d451371a567f619c179
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 4080 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
140519d3493decc81e335ccc7c5f867fcb0f12c62ff5bc55a22158f432a49587.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 140519d3493decc81e335ccc7c5f867fcb0f12c62ff5bc55a22158f432a49587.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
140519d3493decc81e335ccc7c5f867fcb0f12c62ff5bc55a22158f432a49587.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 140519d3493decc81e335ccc7c5f867fcb0f12c62ff5bc55a22158f432a49587.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 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\DownloadMonthlyCacheHostBytes = "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\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 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 = "90228624" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "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\DownloadMonthlyLanBytes = "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\UplinkUsageBps = "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\DownloadMonthlyCdnBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4292" 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\DownloadMonthlyRateBkBps = "1157726" 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\GroupConnectionCount = "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\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\UploadMonthlyInternetBytes = "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\MonthID = "2" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4280" 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\InternetConnectionCount = "0" 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 = "16.659576" 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 (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\DownloadMonthlyLinkLocalBytes = "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\DownlinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892918302269287" 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\MonthID = "1" 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\UploadRatePct = "100" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.757634" 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\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 = "4.347902" 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\DownloadMonthlyRateBkBps = "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\BkDownloadRatePct = "45" 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\Usage\MemoryUsageKB = "4096" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe140519d3493decc81e335ccc7c5f867fcb0f12c62ff5bc55a22158f432a49587.exedescription pid process Token: SeSecurityPrivilege 180 TiWorker.exe Token: SeRestorePrivilege 180 TiWorker.exe Token: SeBackupPrivilege 180 TiWorker.exe Token: SeIncBasePriorityPrivilege 2660 140519d3493decc81e335ccc7c5f867fcb0f12c62ff5bc55a22158f432a49587.exe Token: SeBackupPrivilege 180 TiWorker.exe Token: SeRestorePrivilege 180 TiWorker.exe Token: SeSecurityPrivilege 180 TiWorker.exe Token: SeBackupPrivilege 180 TiWorker.exe Token: SeRestorePrivilege 180 TiWorker.exe Token: SeSecurityPrivilege 180 TiWorker.exe Token: SeBackupPrivilege 180 TiWorker.exe Token: SeRestorePrivilege 180 TiWorker.exe Token: SeSecurityPrivilege 180 TiWorker.exe Token: SeBackupPrivilege 180 TiWorker.exe Token: SeRestorePrivilege 180 TiWorker.exe Token: SeSecurityPrivilege 180 TiWorker.exe Token: SeBackupPrivilege 180 TiWorker.exe Token: SeRestorePrivilege 180 TiWorker.exe Token: SeSecurityPrivilege 180 TiWorker.exe Token: SeBackupPrivilege 180 TiWorker.exe Token: SeRestorePrivilege 180 TiWorker.exe Token: SeSecurityPrivilege 180 TiWorker.exe Token: SeBackupPrivilege 180 TiWorker.exe Token: SeRestorePrivilege 180 TiWorker.exe Token: SeSecurityPrivilege 180 TiWorker.exe Token: SeBackupPrivilege 180 TiWorker.exe Token: SeRestorePrivilege 180 TiWorker.exe Token: SeSecurityPrivilege 180 TiWorker.exe Token: SeBackupPrivilege 180 TiWorker.exe Token: SeRestorePrivilege 180 TiWorker.exe Token: SeSecurityPrivilege 180 TiWorker.exe Token: SeBackupPrivilege 180 TiWorker.exe Token: SeRestorePrivilege 180 TiWorker.exe Token: SeSecurityPrivilege 180 TiWorker.exe Token: SeBackupPrivilege 180 TiWorker.exe Token: SeRestorePrivilege 180 TiWorker.exe Token: SeSecurityPrivilege 180 TiWorker.exe Token: SeBackupPrivilege 180 TiWorker.exe Token: SeRestorePrivilege 180 TiWorker.exe Token: SeSecurityPrivilege 180 TiWorker.exe Token: SeBackupPrivilege 180 TiWorker.exe Token: SeRestorePrivilege 180 TiWorker.exe Token: SeSecurityPrivilege 180 TiWorker.exe Token: SeBackupPrivilege 180 TiWorker.exe Token: SeRestorePrivilege 180 TiWorker.exe Token: SeSecurityPrivilege 180 TiWorker.exe Token: SeBackupPrivilege 180 TiWorker.exe Token: SeRestorePrivilege 180 TiWorker.exe Token: SeSecurityPrivilege 180 TiWorker.exe Token: SeBackupPrivilege 180 TiWorker.exe Token: SeRestorePrivilege 180 TiWorker.exe Token: SeSecurityPrivilege 180 TiWorker.exe Token: SeBackupPrivilege 180 TiWorker.exe Token: SeRestorePrivilege 180 TiWorker.exe Token: SeSecurityPrivilege 180 TiWorker.exe Token: SeBackupPrivilege 180 TiWorker.exe Token: SeRestorePrivilege 180 TiWorker.exe Token: SeSecurityPrivilege 180 TiWorker.exe Token: SeBackupPrivilege 180 TiWorker.exe Token: SeRestorePrivilege 180 TiWorker.exe Token: SeSecurityPrivilege 180 TiWorker.exe Token: SeBackupPrivilege 180 TiWorker.exe Token: SeRestorePrivilege 180 TiWorker.exe Token: SeSecurityPrivilege 180 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
140519d3493decc81e335ccc7c5f867fcb0f12c62ff5bc55a22158f432a49587.execmd.exedescription pid process target process PID 2660 wrote to memory of 4080 2660 140519d3493decc81e335ccc7c5f867fcb0f12c62ff5bc55a22158f432a49587.exe MediaCenter.exe PID 2660 wrote to memory of 4080 2660 140519d3493decc81e335ccc7c5f867fcb0f12c62ff5bc55a22158f432a49587.exe MediaCenter.exe PID 2660 wrote to memory of 4080 2660 140519d3493decc81e335ccc7c5f867fcb0f12c62ff5bc55a22158f432a49587.exe MediaCenter.exe PID 2660 wrote to memory of 2608 2660 140519d3493decc81e335ccc7c5f867fcb0f12c62ff5bc55a22158f432a49587.exe cmd.exe PID 2660 wrote to memory of 2608 2660 140519d3493decc81e335ccc7c5f867fcb0f12c62ff5bc55a22158f432a49587.exe cmd.exe PID 2660 wrote to memory of 2608 2660 140519d3493decc81e335ccc7c5f867fcb0f12c62ff5bc55a22158f432a49587.exe cmd.exe PID 2608 wrote to memory of 2748 2608 cmd.exe PING.EXE PID 2608 wrote to memory of 2748 2608 cmd.exe PING.EXE PID 2608 wrote to memory of 2748 2608 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\140519d3493decc81e335ccc7c5f867fcb0f12c62ff5bc55a22158f432a49587.exe"C:\Users\Admin\AppData\Local\Temp\140519d3493decc81e335ccc7c5f867fcb0f12c62ff5bc55a22158f432a49587.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2660 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:4080 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\140519d3493decc81e335ccc7c5f867fcb0f12c62ff5bc55a22158f432a49587.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2608 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2748
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:2232
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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:112
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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:180
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
bab7e80932251a6737c10c0df90aee10
SHA1a1890e15bbaad2854e0cdcc7beefa1df80375b28
SHA256d557c90e237df69446643e85f4a773f17d4b297c9d9c38b1f8d2e9990bdb13ee
SHA51202f1516730f6c9ad4023cac9b54b9fe7711d220539b7dfb784f347317964ce3296eaf8288277acb2297217b2ade0f3d89ffa357d2f758f6eb2f8043d48dfbce2
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MD5
bab7e80932251a6737c10c0df90aee10
SHA1a1890e15bbaad2854e0cdcc7beefa1df80375b28
SHA256d557c90e237df69446643e85f4a773f17d4b297c9d9c38b1f8d2e9990bdb13ee
SHA51202f1516730f6c9ad4023cac9b54b9fe7711d220539b7dfb784f347317964ce3296eaf8288277acb2297217b2ade0f3d89ffa357d2f758f6eb2f8043d48dfbce2