Analysis
- max time kernel
164s - max time network
173s - platform
windows10-2004_x64 - resource
win10v2004-en-20220112 - submitted
12/02/2022, 10:33
Static task
static1
Behavioral task
behavioral1
Sample
06d62cf3ec91680f076ce35ed4743c32fc82425fd3a95f9baeb560cb2deea3cc.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
06d62cf3ec91680f076ce35ed4743c32fc82425fd3a95f9baeb560cb2deea3cc.exe
Resource
win10v2004-en-20220112
windows10-2004_x64
0 signatures
0 seconds
General
- Target 06d62cf3ec91680f076ce35ed4743c32fc82425fd3a95f9baeb560cb2deea3cc.exe
- Size 191KB
- Sample220212-mljz3sbcb6
- SHA256 06d62cf3ec91680f076ce35ed4743c32fc82425fd3a95f9baeb560cb2deea3cc
- MD5 732fcc90cea28191be836ef369fc2bea
- SHA1 ab577a952486490e53cc233b9d026f98a88e12c8
- SHA512 1a9025e15e7078a383fa43c1179a13a9439e8ec4cee732e74d8f902885cb8dbe77466630c9825a06daca3c70c07ef41d7c67abc9d47859c00833ca3241b17ad3
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- Sakula Payload 2 IoCs
resource yara_rule behavioral2/files/0x000300000001ed16-130.dat family_sakula behavioral2/files/0x000300000001ed16-131.dat family_sakula - Executes dropped EXE 1 IoCs
pid Process 2148 MediaCenter.exe - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 06d62cf3ec91680f076ce35ed4743c32fc82425fd3a95f9baeb560cb2deea3cc.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 06d62cf3ec91680f076ce35ed4743c32fc82425fd3a95f9baeb560cb2deea3cc.exe - Drops file in Windows directory 3 IoCs
description 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.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description 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
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.263661" 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\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\MonthlyUploadRestriction = "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\LANConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "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\DownloadMonthlyRateBkBps = "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\NormalDownloadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.539772" 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\PriorityDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4260" 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\DownloadMonthlyInternetBytes = "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\InternetConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "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\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\BkDownloadRatePct = "45" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0" 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\DownloadMonthlyLanBytes = "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\DownlinkUsageBps = "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\SwarmCount = "1" 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\UploadMonthlyInternetBytes = "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\DownloadMonthlyRateBkCnt = "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\Config\KVFileExpirationTime = "132893129654167118" 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\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\SwarmCount = "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\DownloadMonthlyRateFrCnt = "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\PeerInfoCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100" svchost.exe - Runs ping.exe 1 TTPs 1 IoCs
pid Process 2824 PING.EXE - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 1280 06d62cf3ec91680f076ce35ed4743c32fc82425fd3a95f9baeb560cb2deea3cc.exe Token: SeSecurityPrivilege 2424 TiWorker.exe Token: SeRestorePrivilege 2424 TiWorker.exe Token: SeBackupPrivilege 2424 TiWorker.exe Token: SeBackupPrivilege 2424 TiWorker.exe Token: SeRestorePrivilege 2424 TiWorker.exe Token: SeSecurityPrivilege 2424 TiWorker.exe Token: SeBackupPrivilege 2424 TiWorker.exe Token: SeRestorePrivilege 2424 TiWorker.exe Token: SeSecurityPrivilege 2424 TiWorker.exe Token: SeBackupPrivilege 2424 TiWorker.exe Token: SeRestorePrivilege 2424 TiWorker.exe Token: SeSecurityPrivilege 2424 TiWorker.exe Token: SeBackupPrivilege 2424 TiWorker.exe Token: SeRestorePrivilege 2424 TiWorker.exe Token: SeSecurityPrivilege 2424 TiWorker.exe Token: SeBackupPrivilege 2424 TiWorker.exe Token: SeRestorePrivilege 2424 TiWorker.exe Token: SeSecurityPrivilege 2424 TiWorker.exe Token: SeBackupPrivilege 2424 TiWorker.exe Token: SeRestorePrivilege 2424 TiWorker.exe Token: SeSecurityPrivilege 2424 TiWorker.exe Token: SeBackupPrivilege 2424 TiWorker.exe Token: SeRestorePrivilege 2424 TiWorker.exe Token: SeSecurityPrivilege 2424 TiWorker.exe Token: SeBackupPrivilege 2424 TiWorker.exe Token: SeRestorePrivilege 2424 TiWorker.exe Token: SeSecurityPrivilege 2424 TiWorker.exe Token: SeBackupPrivilege 2424 TiWorker.exe Token: SeRestorePrivilege 2424 TiWorker.exe Token: SeSecurityPrivilege 2424 TiWorker.exe Token: SeBackupPrivilege 2424 TiWorker.exe Token: SeRestorePrivilege 2424 TiWorker.exe Token: SeSecurityPrivilege 2424 TiWorker.exe Token: SeBackupPrivilege 2424 TiWorker.exe Token: SeRestorePrivilege 2424 TiWorker.exe Token: SeSecurityPrivilege 2424 TiWorker.exe Token: SeBackupPrivilege 2424 TiWorker.exe Token: SeRestorePrivilege 2424 TiWorker.exe Token: SeSecurityPrivilege 2424 TiWorker.exe Token: SeBackupPrivilege 2424 TiWorker.exe Token: SeRestorePrivilege 2424 TiWorker.exe Token: SeSecurityPrivilege 2424 TiWorker.exe Token: SeBackupPrivilege 2424 TiWorker.exe Token: SeRestorePrivilege 2424 TiWorker.exe Token: SeSecurityPrivilege 2424 TiWorker.exe Token: SeBackupPrivilege 2424 TiWorker.exe Token: SeRestorePrivilege 2424 TiWorker.exe Token: SeSecurityPrivilege 2424 TiWorker.exe Token: SeBackupPrivilege 2424 TiWorker.exe Token: SeRestorePrivilege 2424 TiWorker.exe Token: SeSecurityPrivilege 2424 TiWorker.exe Token: SeBackupPrivilege 2424 TiWorker.exe Token: SeRestorePrivilege 2424 TiWorker.exe Token: SeSecurityPrivilege 2424 TiWorker.exe Token: SeBackupPrivilege 2424 TiWorker.exe Token: SeRestorePrivilege 2424 TiWorker.exe Token: SeSecurityPrivilege 2424 TiWorker.exe Token: SeBackupPrivilege 2424 TiWorker.exe Token: SeRestorePrivilege 2424 TiWorker.exe Token: SeSecurityPrivilege 2424 TiWorker.exe Token: SeBackupPrivilege 2424 TiWorker.exe Token: SeRestorePrivilege 2424 TiWorker.exe Token: SeSecurityPrivilege 2424 TiWorker.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1280 wrote to memory of 2148 1280 06d62cf3ec91680f076ce35ed4743c32fc82425fd3a95f9baeb560cb2deea3cc.exe 63 PID 1280 wrote to memory of 2148 1280 06d62cf3ec91680f076ce35ed4743c32fc82425fd3a95f9baeb560cb2deea3cc.exe 63 PID 1280 wrote to memory of 2148 1280 06d62cf3ec91680f076ce35ed4743c32fc82425fd3a95f9baeb560cb2deea3cc.exe 63 PID 1280 wrote to memory of 3612 1280 06d62cf3ec91680f076ce35ed4743c32fc82425fd3a95f9baeb560cb2deea3cc.exe 68 PID 1280 wrote to memory of 3612 1280 06d62cf3ec91680f076ce35ed4743c32fc82425fd3a95f9baeb560cb2deea3cc.exe 68 PID 1280 wrote to memory of 3612 1280 06d62cf3ec91680f076ce35ed4743c32fc82425fd3a95f9baeb560cb2deea3cc.exe 68 PID 3612 wrote to memory of 2824 3612 cmd.exe 70 PID 3612 wrote to memory of 2824 3612 cmd.exe 70 PID 3612 wrote to memory of 2824 3612 cmd.exe 70
Processes
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C:\Users\Admin\AppData\Local\Temp\06d62cf3ec91680f076ce35ed4743c32fc82425fd3a95f9baeb560cb2deea3cc.exe"C:\Users\Admin\AppData\Local\Temp\06d62cf3ec91680f076ce35ed4743c32fc82425fd3a95f9baeb560cb2deea3cc.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1280 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2148
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\06d62cf3ec91680f076ce35ed4743c32fc82425fd3a95f9baeb560cb2deea3cc.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3612 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2824
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3560
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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:976
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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:2424