Analysis
-
max time kernel
164s -
max time network
171s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 11:12
Static task
static1
Behavioral task
behavioral1
Sample
05026e020f6665004c53e920f717a3fe17ae87f9ad40208cce17e10839823168.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
05026e020f6665004c53e920f717a3fe17ae87f9ad40208cce17e10839823168.exe
Resource
win10v2004-en-20220112
General
-
Target
05026e020f6665004c53e920f717a3fe17ae87f9ad40208cce17e10839823168.exe
-
Size
216KB
-
MD5
2d2f325dbd799c40747d77b047d09d53
-
SHA1
ba6160f3f8b8f6aba66d836dadfe95d766cd9709
-
SHA256
05026e020f6665004c53e920f717a3fe17ae87f9ad40208cce17e10839823168
-
SHA512
a7e4bc62ebe756532f03cacf342abf871751122e1ffe79e25eeaf87fa6fbbfe55b8072308da4e1a6809b512e74cf81613348e9d745877975c943df7010c0d67e
Malware Config
Signatures
-
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/3096-132-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/1784-133-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula -
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
-
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
-
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 1784 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
05026e020f6665004c53e920f717a3fe17ae87f9ad40208cce17e10839823168.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 05026e020f6665004c53e920f717a3fe17ae87f9ad40208cce17e10839823168.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
05026e020f6665004c53e920f717a3fe17ae87f9ad40208cce17e10839823168.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 05026e020f6665004c53e920f717a3fe17ae87f9ad40208cce17e10839823168.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.
-
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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz MusNotifyIcon.exe Key opened \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 MusNotifyIcon.exe -
Modifies data under HKEY_USERS 49 IoCs
Processes:
svchost.exedescription ioc process 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\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 (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\DownlinkUsageBps = "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 = "4048" 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\Config\DODownloadMode = "1" 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\NormalDownloadPendingCount = "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 (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\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\Usage\UplinkBps = "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\DownloadMonthlyRateBkBps = "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\LinkLocalConnectionCount = "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 = "0.000000" 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\SwarmCount = "1" 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 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\DownloadMonthlyCacheHostBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893155197542839" 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\DownlinkBps = "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\MonthlyUploadRestriction = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.380971" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "6.818664" 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\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\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\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\CDNConnectionCount = "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 = "4300" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
-
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe05026e020f6665004c53e920f717a3fe17ae87f9ad40208cce17e10839823168.exedescription pid process Token: SeSecurityPrivilege 640 TiWorker.exe Token: SeRestorePrivilege 640 TiWorker.exe Token: SeBackupPrivilege 640 TiWorker.exe Token: SeIncBasePriorityPrivilege 3096 05026e020f6665004c53e920f717a3fe17ae87f9ad40208cce17e10839823168.exe Token: SeBackupPrivilege 640 TiWorker.exe Token: SeRestorePrivilege 640 TiWorker.exe Token: SeSecurityPrivilege 640 TiWorker.exe Token: SeBackupPrivilege 640 TiWorker.exe Token: SeRestorePrivilege 640 TiWorker.exe Token: SeSecurityPrivilege 640 TiWorker.exe Token: SeBackupPrivilege 640 TiWorker.exe Token: SeRestorePrivilege 640 TiWorker.exe Token: SeSecurityPrivilege 640 TiWorker.exe Token: SeBackupPrivilege 640 TiWorker.exe Token: SeRestorePrivilege 640 TiWorker.exe Token: SeSecurityPrivilege 640 TiWorker.exe Token: SeBackupPrivilege 640 TiWorker.exe Token: SeRestorePrivilege 640 TiWorker.exe Token: SeSecurityPrivilege 640 TiWorker.exe Token: SeBackupPrivilege 640 TiWorker.exe Token: SeRestorePrivilege 640 TiWorker.exe Token: SeSecurityPrivilege 640 TiWorker.exe Token: SeBackupPrivilege 640 TiWorker.exe Token: SeRestorePrivilege 640 TiWorker.exe Token: SeSecurityPrivilege 640 TiWorker.exe Token: SeBackupPrivilege 640 TiWorker.exe Token: SeRestorePrivilege 640 TiWorker.exe Token: SeSecurityPrivilege 640 TiWorker.exe Token: SeBackupPrivilege 640 TiWorker.exe Token: SeRestorePrivilege 640 TiWorker.exe Token: SeSecurityPrivilege 640 TiWorker.exe Token: SeBackupPrivilege 640 TiWorker.exe Token: SeRestorePrivilege 640 TiWorker.exe Token: SeSecurityPrivilege 640 TiWorker.exe Token: SeBackupPrivilege 640 TiWorker.exe Token: SeRestorePrivilege 640 TiWorker.exe Token: SeSecurityPrivilege 640 TiWorker.exe Token: SeBackupPrivilege 640 TiWorker.exe Token: SeRestorePrivilege 640 TiWorker.exe Token: SeSecurityPrivilege 640 TiWorker.exe Token: SeBackupPrivilege 640 TiWorker.exe Token: SeRestorePrivilege 640 TiWorker.exe Token: SeSecurityPrivilege 640 TiWorker.exe Token: SeBackupPrivilege 640 TiWorker.exe Token: SeRestorePrivilege 640 TiWorker.exe Token: SeSecurityPrivilege 640 TiWorker.exe Token: SeBackupPrivilege 640 TiWorker.exe Token: SeRestorePrivilege 640 TiWorker.exe Token: SeSecurityPrivilege 640 TiWorker.exe Token: SeBackupPrivilege 640 TiWorker.exe Token: SeRestorePrivilege 640 TiWorker.exe Token: SeSecurityPrivilege 640 TiWorker.exe Token: SeBackupPrivilege 640 TiWorker.exe Token: SeRestorePrivilege 640 TiWorker.exe Token: SeSecurityPrivilege 640 TiWorker.exe Token: SeBackupPrivilege 640 TiWorker.exe Token: SeRestorePrivilege 640 TiWorker.exe Token: SeSecurityPrivilege 640 TiWorker.exe Token: SeBackupPrivilege 640 TiWorker.exe Token: SeRestorePrivilege 640 TiWorker.exe Token: SeSecurityPrivilege 640 TiWorker.exe Token: SeBackupPrivilege 640 TiWorker.exe Token: SeRestorePrivilege 640 TiWorker.exe Token: SeSecurityPrivilege 640 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
05026e020f6665004c53e920f717a3fe17ae87f9ad40208cce17e10839823168.execmd.exedescription pid process target process PID 3096 wrote to memory of 1784 3096 05026e020f6665004c53e920f717a3fe17ae87f9ad40208cce17e10839823168.exe MediaCenter.exe PID 3096 wrote to memory of 1784 3096 05026e020f6665004c53e920f717a3fe17ae87f9ad40208cce17e10839823168.exe MediaCenter.exe PID 3096 wrote to memory of 1784 3096 05026e020f6665004c53e920f717a3fe17ae87f9ad40208cce17e10839823168.exe MediaCenter.exe PID 3096 wrote to memory of 2740 3096 05026e020f6665004c53e920f717a3fe17ae87f9ad40208cce17e10839823168.exe cmd.exe PID 3096 wrote to memory of 2740 3096 05026e020f6665004c53e920f717a3fe17ae87f9ad40208cce17e10839823168.exe cmd.exe PID 3096 wrote to memory of 2740 3096 05026e020f6665004c53e920f717a3fe17ae87f9ad40208cce17e10839823168.exe cmd.exe PID 2740 wrote to memory of 3232 2740 cmd.exe PING.EXE PID 2740 wrote to memory of 3232 2740 cmd.exe PING.EXE PID 2740 wrote to memory of 3232 2740 cmd.exe PING.EXE
Processes
-
C:\Users\Admin\AppData\Local\Temp\05026e020f6665004c53e920f717a3fe17ae87f9ad40208cce17e10839823168.exe"C:\Users\Admin\AppData\Local\Temp\05026e020f6665004c53e920f717a3fe17ae87f9ad40208cce17e10839823168.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3096 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1784 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\05026e020f6665004c53e920f717a3fe17ae87f9ad40208cce17e10839823168.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2740 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3232
-
C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3416
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:2268
-
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:640
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
ab29c95d54c4863240462912fef45ac9
SHA1567e350033f835645a6801acac94597de84f43ef
SHA256b18c42dce165e28485cb63a82f4166429249a623fe3defd850237322bd5261da
SHA5123b07f979cd6474a2b9c85a479f52de320c71ed0902c34b1dcfa9f37c0284de3865793754ce5d5a73066293bcb7c5566445f3136f34d8872d8efbd817d79b657d
-
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
ab29c95d54c4863240462912fef45ac9
SHA1567e350033f835645a6801acac94597de84f43ef
SHA256b18c42dce165e28485cb63a82f4166429249a623fe3defd850237322bd5261da
SHA5123b07f979cd6474a2b9c85a479f52de320c71ed0902c34b1dcfa9f37c0284de3865793754ce5d5a73066293bcb7c5566445f3136f34d8872d8efbd817d79b657d
-
memory/1784-133-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
-
memory/3096-132-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB