Analysis
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max time kernel
170s -
max time network
175s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 03:51
Static task
static1
Behavioral task
behavioral1
Sample
16ac4412d68d2130f47b6cd926b8059da7aff3a8fa8b2be9a83aac61d4a7c4bb.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
16ac4412d68d2130f47b6cd926b8059da7aff3a8fa8b2be9a83aac61d4a7c4bb.exe
Resource
win10v2004-en-20220112
General
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Target
16ac4412d68d2130f47b6cd926b8059da7aff3a8fa8b2be9a83aac61d4a7c4bb.exe
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Size
216KB
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MD5
eacddd4f8fc7bd45846885bb628d7a4f
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SHA1
d4aaf5ed9c9c5351618f037d68fb507aeaaa33bc
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SHA256
16ac4412d68d2130f47b6cd926b8059da7aff3a8fa8b2be9a83aac61d4a7c4bb
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SHA512
9e6058f042720676fa3ddd661fd204b14658ba3706aeac76b51f554a1a721e76175ef864395f8e6b1028831c4af9f14447bf9ffadca6f67b194757cdfd7c09e1
Malware Config
Signatures
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Sakula Payload 3 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/3760-132-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula -
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
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suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 2908 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
16ac4412d68d2130f47b6cd926b8059da7aff3a8fa8b2be9a83aac61d4a7c4bb.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 16ac4412d68d2130f47b6cd926b8059da7aff3a8fa8b2be9a83aac61d4a7c4bb.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
16ac4412d68d2130f47b6cd926b8059da7aff3a8fa8b2be9a83aac61d4a7c4bb.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 16ac4412d68d2130f47b6cd926b8059da7aff3a8fa8b2be9a83aac61d4a7c4bb.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 48 IoCs
Processes:
svchost.exedescription ioc process 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\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\UploadCount = "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\Usage 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\MemoryUsageKB = "4080" 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\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\DownloadMonthlyCdnBytes = "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\DownloadMonthlyGroupBytes = "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\InternetConnectionCount = "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\Settings 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\MemoryUsageKB = "4300" 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\MonthlyUploadRestriction = "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\PeerInfoCount = "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\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\LinkLocalConnectionCount = "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\DownloadMonthlyRateFrCnt = "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\Config\KVFileExpirationTime = "132892879560274571" 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\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\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\DownloadMonthlyRateBkBps = "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\CacheSizeBytes = "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\Config\DownloadMode_BackCompat = "1" 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\PriorityDownloadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.479663" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
16ac4412d68d2130f47b6cd926b8059da7aff3a8fa8b2be9a83aac61d4a7c4bb.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 3760 16ac4412d68d2130f47b6cd926b8059da7aff3a8fa8b2be9a83aac61d4a7c4bb.exe Token: SeSecurityPrivilege 3700 TiWorker.exe Token: SeRestorePrivilege 3700 TiWorker.exe Token: SeBackupPrivilege 3700 TiWorker.exe Token: SeBackupPrivilege 3700 TiWorker.exe Token: SeRestorePrivilege 3700 TiWorker.exe Token: SeSecurityPrivilege 3700 TiWorker.exe Token: SeBackupPrivilege 3700 TiWorker.exe Token: SeRestorePrivilege 3700 TiWorker.exe Token: SeSecurityPrivilege 3700 TiWorker.exe Token: SeBackupPrivilege 3700 TiWorker.exe Token: SeRestorePrivilege 3700 TiWorker.exe Token: SeSecurityPrivilege 3700 TiWorker.exe Token: SeBackupPrivilege 3700 TiWorker.exe Token: SeRestorePrivilege 3700 TiWorker.exe Token: SeSecurityPrivilege 3700 TiWorker.exe Token: SeBackupPrivilege 3700 TiWorker.exe Token: SeRestorePrivilege 3700 TiWorker.exe Token: SeSecurityPrivilege 3700 TiWorker.exe Token: SeBackupPrivilege 3700 TiWorker.exe Token: SeRestorePrivilege 3700 TiWorker.exe Token: SeSecurityPrivilege 3700 TiWorker.exe Token: SeBackupPrivilege 3700 TiWorker.exe Token: SeRestorePrivilege 3700 TiWorker.exe Token: SeSecurityPrivilege 3700 TiWorker.exe Token: SeBackupPrivilege 3700 TiWorker.exe Token: SeRestorePrivilege 3700 TiWorker.exe Token: SeSecurityPrivilege 3700 TiWorker.exe Token: SeBackupPrivilege 3700 TiWorker.exe Token: SeRestorePrivilege 3700 TiWorker.exe Token: SeSecurityPrivilege 3700 TiWorker.exe Token: SeBackupPrivilege 3700 TiWorker.exe Token: SeRestorePrivilege 3700 TiWorker.exe Token: SeSecurityPrivilege 3700 TiWorker.exe Token: SeBackupPrivilege 3700 TiWorker.exe Token: SeRestorePrivilege 3700 TiWorker.exe Token: SeSecurityPrivilege 3700 TiWorker.exe Token: SeBackupPrivilege 3700 TiWorker.exe Token: SeRestorePrivilege 3700 TiWorker.exe Token: SeSecurityPrivilege 3700 TiWorker.exe Token: SeBackupPrivilege 3700 TiWorker.exe Token: SeRestorePrivilege 3700 TiWorker.exe Token: SeSecurityPrivilege 3700 TiWorker.exe Token: SeBackupPrivilege 3700 TiWorker.exe Token: SeRestorePrivilege 3700 TiWorker.exe Token: SeSecurityPrivilege 3700 TiWorker.exe Token: SeBackupPrivilege 3700 TiWorker.exe Token: SeRestorePrivilege 3700 TiWorker.exe Token: SeSecurityPrivilege 3700 TiWorker.exe Token: SeBackupPrivilege 3700 TiWorker.exe Token: SeRestorePrivilege 3700 TiWorker.exe Token: SeSecurityPrivilege 3700 TiWorker.exe Token: SeBackupPrivilege 3700 TiWorker.exe Token: SeRestorePrivilege 3700 TiWorker.exe Token: SeSecurityPrivilege 3700 TiWorker.exe Token: SeBackupPrivilege 3700 TiWorker.exe Token: SeRestorePrivilege 3700 TiWorker.exe Token: SeSecurityPrivilege 3700 TiWorker.exe Token: SeBackupPrivilege 3700 TiWorker.exe Token: SeRestorePrivilege 3700 TiWorker.exe Token: SeSecurityPrivilege 3700 TiWorker.exe Token: SeBackupPrivilege 3700 TiWorker.exe Token: SeRestorePrivilege 3700 TiWorker.exe Token: SeSecurityPrivilege 3700 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
16ac4412d68d2130f47b6cd926b8059da7aff3a8fa8b2be9a83aac61d4a7c4bb.execmd.exedescription pid process target process PID 3760 wrote to memory of 2908 3760 16ac4412d68d2130f47b6cd926b8059da7aff3a8fa8b2be9a83aac61d4a7c4bb.exe MediaCenter.exe PID 3760 wrote to memory of 2908 3760 16ac4412d68d2130f47b6cd926b8059da7aff3a8fa8b2be9a83aac61d4a7c4bb.exe MediaCenter.exe PID 3760 wrote to memory of 2908 3760 16ac4412d68d2130f47b6cd926b8059da7aff3a8fa8b2be9a83aac61d4a7c4bb.exe MediaCenter.exe PID 3760 wrote to memory of 3612 3760 16ac4412d68d2130f47b6cd926b8059da7aff3a8fa8b2be9a83aac61d4a7c4bb.exe cmd.exe PID 3760 wrote to memory of 3612 3760 16ac4412d68d2130f47b6cd926b8059da7aff3a8fa8b2be9a83aac61d4a7c4bb.exe cmd.exe PID 3760 wrote to memory of 3612 3760 16ac4412d68d2130f47b6cd926b8059da7aff3a8fa8b2be9a83aac61d4a7c4bb.exe cmd.exe PID 3612 wrote to memory of 1276 3612 cmd.exe PING.EXE PID 3612 wrote to memory of 1276 3612 cmd.exe PING.EXE PID 3612 wrote to memory of 1276 3612 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\16ac4412d68d2130f47b6cd926b8059da7aff3a8fa8b2be9a83aac61d4a7c4bb.exe"C:\Users\Admin\AppData\Local\Temp\16ac4412d68d2130f47b6cd926b8059da7aff3a8fa8b2be9a83aac61d4a7c4bb.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3760 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2908 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\16ac4412d68d2130f47b6cd926b8059da7aff3a8fa8b2be9a83aac61d4a7c4bb.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3612 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1276
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3764
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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:3360
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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:3700
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
05b233a4de80f18508d2784d8ea33bd9
SHA1548a0a3399ef9588a2365b98ba86cd9cd952fd4e
SHA2565ca1514465b7ce731ad4db10c11bf23af9f98c5dad16808767bcbfad2b9cefa0
SHA512f31f2501ac928d1226572cf1a739bbb3de754d5335f05ffd0fb471b521e4c916ef4974c27f827e24bf74e38b4756c057f1820fef498756999a2c464d8a056551
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MD5
05b233a4de80f18508d2784d8ea33bd9
SHA1548a0a3399ef9588a2365b98ba86cd9cd952fd4e
SHA2565ca1514465b7ce731ad4db10c11bf23af9f98c5dad16808767bcbfad2b9cefa0
SHA512f31f2501ac928d1226572cf1a739bbb3de754d5335f05ffd0fb471b521e4c916ef4974c27f827e24bf74e38b4756c057f1820fef498756999a2c464d8a056551