Analysis
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max time kernel
166s -
max time network
181s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 12:29
Static task
static1
Behavioral task
behavioral1
Sample
015922a9aa9eddd9a79be546e2a058217903fbc7fe26b0441e5f6bacb0a0bd1f.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
015922a9aa9eddd9a79be546e2a058217903fbc7fe26b0441e5f6bacb0a0bd1f.exe
Resource
win10v2004-en-20220112
General
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Target
015922a9aa9eddd9a79be546e2a058217903fbc7fe26b0441e5f6bacb0a0bd1f.exe
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Size
80KB
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MD5
5c4022308619715a7a2d69a814d21e83
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SHA1
aa78bb3537f21921d55a1ba9df5830eb6fe7e17c
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SHA256
015922a9aa9eddd9a79be546e2a058217903fbc7fe26b0441e5f6bacb0a0bd1f
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SHA512
79e58a07e5aee16bb01cc6956a52d10953de38477542ccb981680c8b093b0b4bdc681732043f4f1a72c4d72931d7e0e111f64a27a190a5ab70cb50ec8e2f8675
Malware Config
Signatures
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Sakula Payload 2 IoCs
resource yara_rule behavioral2/files/0x000300000001ed0d-130.dat family_sakula behavioral2/files/0x000300000001ed0d-131.dat family_sakula -
Executes dropped EXE 1 IoCs
pid Process 1612 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 015922a9aa9eddd9a79be546e2a058217903fbc7fe26b0441e5f6bacb0a0bd1f.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" 015922a9aa9eddd9a79be546e2a058217903fbc7fe26b0441e5f6bacb0a0bd1f.exe -
Drops file in Windows directory 3 IoCs
description 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.
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 (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\DownloadMonthlyRateFrCnt = "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\Config\DownloadMode_BackCompat = "1" 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\DownloadMonthlyLanBytes = "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\SwarmCount = "1" 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\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\MonthlyUploadRestriction = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization 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\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 (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "12.502050" 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\Config\KVFileExpirationTime = "132893200751100498" 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\PriorityDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4112" 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\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\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\DownlinkUsageBps = "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\NormalDownloadCount = "0" 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\Settings 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\CacheSizeBytes = "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\PriorityDownloadPendingCount = "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\DownloadMonthlyRateBkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.039063" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4316" 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\UploadRatePct = "100" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.205636" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2248 PING.EXE -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeSecurityPrivilege 1156 TiWorker.exe Token: SeRestorePrivilege 1156 TiWorker.exe Token: SeBackupPrivilege 1156 TiWorker.exe Token: SeIncBasePriorityPrivilege 3960 015922a9aa9eddd9a79be546e2a058217903fbc7fe26b0441e5f6bacb0a0bd1f.exe Token: SeBackupPrivilege 1156 TiWorker.exe Token: SeRestorePrivilege 1156 TiWorker.exe Token: SeSecurityPrivilege 1156 TiWorker.exe Token: SeBackupPrivilege 1156 TiWorker.exe Token: SeRestorePrivilege 1156 TiWorker.exe Token: SeSecurityPrivilege 1156 TiWorker.exe Token: SeBackupPrivilege 1156 TiWorker.exe Token: SeRestorePrivilege 1156 TiWorker.exe Token: SeSecurityPrivilege 1156 TiWorker.exe Token: SeBackupPrivilege 1156 TiWorker.exe Token: SeRestorePrivilege 1156 TiWorker.exe Token: SeSecurityPrivilege 1156 TiWorker.exe Token: SeBackupPrivilege 1156 TiWorker.exe Token: SeRestorePrivilege 1156 TiWorker.exe Token: SeSecurityPrivilege 1156 TiWorker.exe Token: SeBackupPrivilege 1156 TiWorker.exe Token: SeRestorePrivilege 1156 TiWorker.exe Token: SeSecurityPrivilege 1156 TiWorker.exe Token: SeBackupPrivilege 1156 TiWorker.exe Token: SeRestorePrivilege 1156 TiWorker.exe Token: SeSecurityPrivilege 1156 TiWorker.exe Token: SeBackupPrivilege 1156 TiWorker.exe Token: SeRestorePrivilege 1156 TiWorker.exe Token: SeSecurityPrivilege 1156 TiWorker.exe Token: SeBackupPrivilege 1156 TiWorker.exe Token: SeRestorePrivilege 1156 TiWorker.exe Token: SeSecurityPrivilege 1156 TiWorker.exe Token: SeBackupPrivilege 1156 TiWorker.exe Token: SeRestorePrivilege 1156 TiWorker.exe Token: SeSecurityPrivilege 1156 TiWorker.exe Token: SeBackupPrivilege 1156 TiWorker.exe Token: SeRestorePrivilege 1156 TiWorker.exe Token: SeSecurityPrivilege 1156 TiWorker.exe Token: SeBackupPrivilege 1156 TiWorker.exe Token: SeRestorePrivilege 1156 TiWorker.exe Token: SeSecurityPrivilege 1156 TiWorker.exe Token: SeBackupPrivilege 1156 TiWorker.exe Token: SeRestorePrivilege 1156 TiWorker.exe Token: SeSecurityPrivilege 1156 TiWorker.exe Token: SeBackupPrivilege 1156 TiWorker.exe Token: SeRestorePrivilege 1156 TiWorker.exe Token: SeSecurityPrivilege 1156 TiWorker.exe Token: SeBackupPrivilege 1156 TiWorker.exe Token: SeRestorePrivilege 1156 TiWorker.exe Token: SeSecurityPrivilege 1156 TiWorker.exe Token: SeBackupPrivilege 1156 TiWorker.exe Token: SeRestorePrivilege 1156 TiWorker.exe Token: SeSecurityPrivilege 1156 TiWorker.exe Token: SeBackupPrivilege 1156 TiWorker.exe Token: SeRestorePrivilege 1156 TiWorker.exe Token: SeSecurityPrivilege 1156 TiWorker.exe Token: SeBackupPrivilege 1156 TiWorker.exe Token: SeRestorePrivilege 1156 TiWorker.exe Token: SeSecurityPrivilege 1156 TiWorker.exe Token: SeBackupPrivilege 1156 TiWorker.exe Token: SeRestorePrivilege 1156 TiWorker.exe Token: SeSecurityPrivilege 1156 TiWorker.exe Token: SeBackupPrivilege 1156 TiWorker.exe Token: SeRestorePrivilege 1156 TiWorker.exe Token: SeSecurityPrivilege 1156 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3960 wrote to memory of 1612 3960 015922a9aa9eddd9a79be546e2a058217903fbc7fe26b0441e5f6bacb0a0bd1f.exe 59 PID 3960 wrote to memory of 1612 3960 015922a9aa9eddd9a79be546e2a058217903fbc7fe26b0441e5f6bacb0a0bd1f.exe 59 PID 3960 wrote to memory of 1612 3960 015922a9aa9eddd9a79be546e2a058217903fbc7fe26b0441e5f6bacb0a0bd1f.exe 59 PID 3960 wrote to memory of 3040 3960 015922a9aa9eddd9a79be546e2a058217903fbc7fe26b0441e5f6bacb0a0bd1f.exe 74 PID 3960 wrote to memory of 3040 3960 015922a9aa9eddd9a79be546e2a058217903fbc7fe26b0441e5f6bacb0a0bd1f.exe 74 PID 3960 wrote to memory of 3040 3960 015922a9aa9eddd9a79be546e2a058217903fbc7fe26b0441e5f6bacb0a0bd1f.exe 74 PID 3040 wrote to memory of 2248 3040 cmd.exe 76 PID 3040 wrote to memory of 2248 3040 cmd.exe 76 PID 3040 wrote to memory of 2248 3040 cmd.exe 76
Processes
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C:\Users\Admin\AppData\Local\Temp\015922a9aa9eddd9a79be546e2a058217903fbc7fe26b0441e5f6bacb0a0bd1f.exe"C:\Users\Admin\AppData\Local\Temp\015922a9aa9eddd9a79be546e2a058217903fbc7fe26b0441e5f6bacb0a0bd1f.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3960 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1612
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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\015922a9aa9eddd9a79be546e2a058217903fbc7fe26b0441e5f6bacb0a0bd1f.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3040 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2248
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:1736
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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:2184
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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:1156