Analysis
-
max time kernel
181s -
max time network
194s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 03:23
Static task
static1
Behavioral task
behavioral1
Sample
17bcdbeca03d7b7713b8994f8019ddcebcfce52f666e078760262641b9443a7a.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
17bcdbeca03d7b7713b8994f8019ddcebcfce52f666e078760262641b9443a7a.exe
Resource
win10v2004-en-20220112
General
-
Target
17bcdbeca03d7b7713b8994f8019ddcebcfce52f666e078760262641b9443a7a.exe
-
Size
100KB
-
MD5
9d2b371cf65733029fc71ff271491e1c
-
SHA1
8cd06ecf9d5590bad1c31bca681dcce651260daf
-
SHA256
17bcdbeca03d7b7713b8994f8019ddcebcfce52f666e078760262641b9443a7a
-
SHA512
c0522b6822b39bebe8de02b137c85a7c5a3f68660983bb588664ae863507961bad5c2cc6203c9a420b9cf007690ffee8d628fdcf4b72c4a8313c1b6802494ef1
Malware Config
Signatures
-
Sakula Payload 2 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 -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 2148 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
17bcdbeca03d7b7713b8994f8019ddcebcfce52f666e078760262641b9443a7a.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 17bcdbeca03d7b7713b8994f8019ddcebcfce52f666e078760262641b9443a7a.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
17bcdbeca03d7b7713b8994f8019ddcebcfce52f666e078760262641b9443a7a.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 17bcdbeca03d7b7713b8994f8019ddcebcfce52f666e078760262641b9443a7a.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 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 54 IoCs
Processes:
svchost.exedescription ioc process 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\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\MonthlyUploadRestriction = "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\PriorityDownloadCount = "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\UploadRatePct = "100" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "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\DownloadMonthlyLanBytes = "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\MemoryUsageKB = "4332" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "6.451783" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "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\UploadMonthlyLanBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "90228624" 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\DownloadMonthlyRateFrBps = "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\PriorityDownloadPendingCount = "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\DownloadMonthlyLinkLocalBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "4" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.746175" 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\UploadMonthlyInternetBytes = "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\FrDownloadRatePct = "90" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000" 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\DownloadMonthlyInternetBytes = "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\SwarmCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "1157726" 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\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\CDNConnectionCount = "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\NormalDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4108" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892863096765945" 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\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\InternetConnectionCount = "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\MemoryUsageKB = "4188" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
-
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe17bcdbeca03d7b7713b8994f8019ddcebcfce52f666e078760262641b9443a7a.exedescription pid process Token: SeSecurityPrivilege 3104 TiWorker.exe Token: SeRestorePrivilege 3104 TiWorker.exe Token: SeBackupPrivilege 3104 TiWorker.exe Token: SeBackupPrivilege 3104 TiWorker.exe Token: SeRestorePrivilege 3104 TiWorker.exe Token: SeSecurityPrivilege 3104 TiWorker.exe Token: SeBackupPrivilege 3104 TiWorker.exe Token: SeRestorePrivilege 3104 TiWorker.exe Token: SeSecurityPrivilege 3104 TiWorker.exe Token: SeBackupPrivilege 3104 TiWorker.exe Token: SeRestorePrivilege 3104 TiWorker.exe Token: SeSecurityPrivilege 3104 TiWorker.exe Token: SeBackupPrivilege 3104 TiWorker.exe Token: SeRestorePrivilege 3104 TiWorker.exe Token: SeSecurityPrivilege 3104 TiWorker.exe Token: SeIncBasePriorityPrivilege 4004 17bcdbeca03d7b7713b8994f8019ddcebcfce52f666e078760262641b9443a7a.exe Token: SeBackupPrivilege 3104 TiWorker.exe Token: SeRestorePrivilege 3104 TiWorker.exe Token: SeSecurityPrivilege 3104 TiWorker.exe Token: SeBackupPrivilege 3104 TiWorker.exe Token: SeRestorePrivilege 3104 TiWorker.exe Token: SeSecurityPrivilege 3104 TiWorker.exe Token: SeBackupPrivilege 3104 TiWorker.exe Token: SeRestorePrivilege 3104 TiWorker.exe Token: SeSecurityPrivilege 3104 TiWorker.exe Token: SeBackupPrivilege 3104 TiWorker.exe Token: SeRestorePrivilege 3104 TiWorker.exe Token: SeSecurityPrivilege 3104 TiWorker.exe Token: SeBackupPrivilege 3104 TiWorker.exe Token: SeRestorePrivilege 3104 TiWorker.exe Token: SeSecurityPrivilege 3104 TiWorker.exe Token: SeBackupPrivilege 3104 TiWorker.exe Token: SeRestorePrivilege 3104 TiWorker.exe Token: SeSecurityPrivilege 3104 TiWorker.exe Token: SeBackupPrivilege 3104 TiWorker.exe Token: SeRestorePrivilege 3104 TiWorker.exe Token: SeSecurityPrivilege 3104 TiWorker.exe Token: SeBackupPrivilege 3104 TiWorker.exe Token: SeRestorePrivilege 3104 TiWorker.exe Token: SeSecurityPrivilege 3104 TiWorker.exe Token: SeBackupPrivilege 3104 TiWorker.exe Token: SeRestorePrivilege 3104 TiWorker.exe Token: SeSecurityPrivilege 3104 TiWorker.exe Token: SeBackupPrivilege 3104 TiWorker.exe Token: SeRestorePrivilege 3104 TiWorker.exe Token: SeSecurityPrivilege 3104 TiWorker.exe Token: SeBackupPrivilege 3104 TiWorker.exe Token: SeRestorePrivilege 3104 TiWorker.exe Token: SeSecurityPrivilege 3104 TiWorker.exe Token: SeBackupPrivilege 3104 TiWorker.exe Token: SeRestorePrivilege 3104 TiWorker.exe Token: SeSecurityPrivilege 3104 TiWorker.exe Token: SeBackupPrivilege 3104 TiWorker.exe Token: SeRestorePrivilege 3104 TiWorker.exe Token: SeSecurityPrivilege 3104 TiWorker.exe Token: SeBackupPrivilege 3104 TiWorker.exe Token: SeRestorePrivilege 3104 TiWorker.exe Token: SeSecurityPrivilege 3104 TiWorker.exe Token: SeBackupPrivilege 3104 TiWorker.exe Token: SeRestorePrivilege 3104 TiWorker.exe Token: SeSecurityPrivilege 3104 TiWorker.exe Token: SeBackupPrivilege 3104 TiWorker.exe Token: SeRestorePrivilege 3104 TiWorker.exe Token: SeSecurityPrivilege 3104 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
17bcdbeca03d7b7713b8994f8019ddcebcfce52f666e078760262641b9443a7a.execmd.exedescription pid process target process PID 4004 wrote to memory of 2148 4004 17bcdbeca03d7b7713b8994f8019ddcebcfce52f666e078760262641b9443a7a.exe MediaCenter.exe PID 4004 wrote to memory of 2148 4004 17bcdbeca03d7b7713b8994f8019ddcebcfce52f666e078760262641b9443a7a.exe MediaCenter.exe PID 4004 wrote to memory of 2148 4004 17bcdbeca03d7b7713b8994f8019ddcebcfce52f666e078760262641b9443a7a.exe MediaCenter.exe PID 4004 wrote to memory of 3284 4004 17bcdbeca03d7b7713b8994f8019ddcebcfce52f666e078760262641b9443a7a.exe cmd.exe PID 4004 wrote to memory of 3284 4004 17bcdbeca03d7b7713b8994f8019ddcebcfce52f666e078760262641b9443a7a.exe cmd.exe PID 4004 wrote to memory of 3284 4004 17bcdbeca03d7b7713b8994f8019ddcebcfce52f666e078760262641b9443a7a.exe cmd.exe PID 3284 wrote to memory of 3176 3284 cmd.exe PING.EXE PID 3284 wrote to memory of 3176 3284 cmd.exe PING.EXE PID 3284 wrote to memory of 3176 3284 cmd.exe PING.EXE
Processes
-
C:\Users\Admin\AppData\Local\Temp\17bcdbeca03d7b7713b8994f8019ddcebcfce52f666e078760262641b9443a7a.exe"C:\Users\Admin\AppData\Local\Temp\17bcdbeca03d7b7713b8994f8019ddcebcfce52f666e078760262641b9443a7a.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4004 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2148 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\17bcdbeca03d7b7713b8994f8019ddcebcfce52f666e078760262641b9443a7a.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3284 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3176
-
C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:1460
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:3084
-
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:3104
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
MD5
f7dae88e5eab17634b3b549369501761
SHA1134235b7d9a01fdb3212f4b86dad073c3ad0f3ae
SHA256c769795b4951b68fbf5fd2f03554860c0bf76d2fbfcbb3d33e4906942a36188a
SHA512a50050ccbb94ad7e5c43a40fe19d41a3b938d1b056227a7018df69d6f589e30b9f30b8ee5780b3e6594694c435800760cb7f23de78af6e24bc9a10e8dec09399
-
MD5
f7dae88e5eab17634b3b549369501761
SHA1134235b7d9a01fdb3212f4b86dad073c3ad0f3ae
SHA256c769795b4951b68fbf5fd2f03554860c0bf76d2fbfcbb3d33e4906942a36188a
SHA512a50050ccbb94ad7e5c43a40fe19d41a3b938d1b056227a7018df69d6f589e30b9f30b8ee5780b3e6594694c435800760cb7f23de78af6e24bc9a10e8dec09399