Analysis
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max time kernel
174s -
max time network
187s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 06:46
Static task
static1
Behavioral task
behavioral1
Sample
0f055f3137e08e60fff6271ac8665723e38c71c0663cd7a4796203bf0b4f2b53.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0f055f3137e08e60fff6271ac8665723e38c71c0663cd7a4796203bf0b4f2b53.exe
Resource
win10v2004-en-20220112
General
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Target
0f055f3137e08e60fff6271ac8665723e38c71c0663cd7a4796203bf0b4f2b53.exe
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Size
216KB
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MD5
de2e33614b5252f8fc4a904c184e113c
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SHA1
308534741cecae7488b25261ca08c039206e9e7f
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SHA256
0f055f3137e08e60fff6271ac8665723e38c71c0663cd7a4796203bf0b4f2b53
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SHA512
08b9a9e4755932ef025e85d89adf27a8eeb2f3bf2b6697072d46c52de23d853e8ba645f321695bc2f925ecb2d7f8a402091c888e27b053cd8f75215b34aa6259
Malware Config
Signatures
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Sakula Payload 4 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/3960-132-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/1976-133-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 1976 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0f055f3137e08e60fff6271ac8665723e38c71c0663cd7a4796203bf0b4f2b53.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0f055f3137e08e60fff6271ac8665723e38c71c0663cd7a4796203bf0b4f2b53.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0f055f3137e08e60fff6271ac8665723e38c71c0663cd7a4796203bf0b4f2b53.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0f055f3137e08e60fff6271ac8665723e38c71c0663cd7a4796203bf0b4f2b53.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 52 IoCs
Processes:
svchost.exedescription 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\UplinkBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.037980" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1" 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 (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\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\UploadMonthlyInternetBytes = "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\DownloadMonthlyGroupBytes = "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\Config\KVFileExpirationTime = "132892985191960227" 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\LANConnectionCount = "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\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\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 (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 (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4088" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "25.006081" 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\PeerInfoCount = "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\UplinkUsageBps = "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\PriorityDownloadPendingCount = "0" 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\MemoryUsageKB = "4244" 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\DownloadMonthlyRateFrBps = "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\LinkLocalConnectionCount = "0" 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\Usage\MemoryUsageKB = "4256" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.010246" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4032" 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\SwarmCount = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "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\Config\DODownloadMode = "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\InternetConnectionCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.506014" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exedescription pid process Token: SeSecurityPrivilege 872 TiWorker.exe Token: SeRestorePrivilege 872 TiWorker.exe Token: SeBackupPrivilege 872 TiWorker.exe Token: SeBackupPrivilege 872 TiWorker.exe Token: SeRestorePrivilege 872 TiWorker.exe Token: SeSecurityPrivilege 872 TiWorker.exe Token: SeBackupPrivilege 872 TiWorker.exe Token: SeRestorePrivilege 872 TiWorker.exe Token: SeSecurityPrivilege 872 TiWorker.exe Token: SeBackupPrivilege 872 TiWorker.exe Token: SeRestorePrivilege 872 TiWorker.exe Token: SeSecurityPrivilege 872 TiWorker.exe Token: SeBackupPrivilege 872 TiWorker.exe Token: SeRestorePrivilege 872 TiWorker.exe Token: SeSecurityPrivilege 872 TiWorker.exe Token: SeBackupPrivilege 872 TiWorker.exe Token: SeRestorePrivilege 872 TiWorker.exe Token: SeSecurityPrivilege 872 TiWorker.exe Token: SeBackupPrivilege 872 TiWorker.exe Token: SeRestorePrivilege 872 TiWorker.exe Token: SeSecurityPrivilege 872 TiWorker.exe Token: SeBackupPrivilege 872 TiWorker.exe Token: SeRestorePrivilege 872 TiWorker.exe Token: SeSecurityPrivilege 872 TiWorker.exe Token: SeBackupPrivilege 872 TiWorker.exe Token: SeRestorePrivilege 872 TiWorker.exe Token: SeSecurityPrivilege 872 TiWorker.exe Token: SeBackupPrivilege 872 TiWorker.exe Token: SeRestorePrivilege 872 TiWorker.exe Token: SeSecurityPrivilege 872 TiWorker.exe Token: SeBackupPrivilege 872 TiWorker.exe Token: SeRestorePrivilege 872 TiWorker.exe Token: SeSecurityPrivilege 872 TiWorker.exe Token: SeBackupPrivilege 872 TiWorker.exe Token: SeRestorePrivilege 872 TiWorker.exe Token: SeSecurityPrivilege 872 TiWorker.exe Token: SeBackupPrivilege 872 TiWorker.exe Token: SeRestorePrivilege 872 TiWorker.exe Token: SeSecurityPrivilege 872 TiWorker.exe Token: SeBackupPrivilege 872 TiWorker.exe Token: SeRestorePrivilege 872 TiWorker.exe Token: SeSecurityPrivilege 872 TiWorker.exe Token: SeBackupPrivilege 872 TiWorker.exe Token: SeRestorePrivilege 872 TiWorker.exe Token: SeSecurityPrivilege 872 TiWorker.exe Token: SeBackupPrivilege 872 TiWorker.exe Token: SeRestorePrivilege 872 TiWorker.exe Token: SeSecurityPrivilege 872 TiWorker.exe Token: SeBackupPrivilege 872 TiWorker.exe Token: SeRestorePrivilege 872 TiWorker.exe Token: SeSecurityPrivilege 872 TiWorker.exe Token: SeBackupPrivilege 872 TiWorker.exe Token: SeRestorePrivilege 872 TiWorker.exe Token: SeSecurityPrivilege 872 TiWorker.exe Token: SeBackupPrivilege 872 TiWorker.exe Token: SeRestorePrivilege 872 TiWorker.exe Token: SeSecurityPrivilege 872 TiWorker.exe Token: SeBackupPrivilege 872 TiWorker.exe Token: SeRestorePrivilege 872 TiWorker.exe Token: SeSecurityPrivilege 872 TiWorker.exe Token: SeBackupPrivilege 872 TiWorker.exe Token: SeRestorePrivilege 872 TiWorker.exe Token: SeSecurityPrivilege 872 TiWorker.exe Token: SeBackupPrivilege 872 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0f055f3137e08e60fff6271ac8665723e38c71c0663cd7a4796203bf0b4f2b53.execmd.exedescription pid process target process PID 3960 wrote to memory of 1976 3960 0f055f3137e08e60fff6271ac8665723e38c71c0663cd7a4796203bf0b4f2b53.exe MediaCenter.exe PID 3960 wrote to memory of 1976 3960 0f055f3137e08e60fff6271ac8665723e38c71c0663cd7a4796203bf0b4f2b53.exe MediaCenter.exe PID 3960 wrote to memory of 1976 3960 0f055f3137e08e60fff6271ac8665723e38c71c0663cd7a4796203bf0b4f2b53.exe MediaCenter.exe PID 3960 wrote to memory of 3192 3960 0f055f3137e08e60fff6271ac8665723e38c71c0663cd7a4796203bf0b4f2b53.exe cmd.exe PID 3960 wrote to memory of 3192 3960 0f055f3137e08e60fff6271ac8665723e38c71c0663cd7a4796203bf0b4f2b53.exe cmd.exe PID 3960 wrote to memory of 3192 3960 0f055f3137e08e60fff6271ac8665723e38c71c0663cd7a4796203bf0b4f2b53.exe cmd.exe PID 3192 wrote to memory of 3448 3192 cmd.exe PING.EXE PID 3192 wrote to memory of 3448 3192 cmd.exe PING.EXE PID 3192 wrote to memory of 3448 3192 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0f055f3137e08e60fff6271ac8665723e38c71c0663cd7a4796203bf0b4f2b53.exe"C:\Users\Admin\AppData\Local\Temp\0f055f3137e08e60fff6271ac8665723e38c71c0663cd7a4796203bf0b4f2b53.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- 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:1976 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0f055f3137e08e60fff6271ac8665723e38c71c0663cd7a4796203bf0b4f2b53.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3192 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3448
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:388
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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:2528
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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:872
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
c07041f8f91f8304695056e4d680e2b4
SHA1a7758d0d92e9e28c0a33e76e3c8cba9e5f13ed07
SHA25654086bfb4ba523f46505a7337c85bee2d407683368a5cbec6343ea4d407d498d
SHA512a1084512a16ce84139af61cbdbcbf44c00649de740db61d69ecc7fc15791a2926fd98fb070f29bd2e91e8310a8d48510661d90cab25faeff891dc716d0059b16
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MD5
c07041f8f91f8304695056e4d680e2b4
SHA1a7758d0d92e9e28c0a33e76e3c8cba9e5f13ed07
SHA25654086bfb4ba523f46505a7337c85bee2d407683368a5cbec6343ea4d407d498d
SHA512a1084512a16ce84139af61cbdbcbf44c00649de740db61d69ecc7fc15791a2926fd98fb070f29bd2e91e8310a8d48510661d90cab25faeff891dc716d0059b16