Analysis
-
max time kernel
171s -
max time network
178s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 10:26
Static task
static1
Behavioral task
behavioral1
Sample
072ed6cc455a675eddb3832d6492f7fb251fe5aee1be02b47cc213bdeb8e3dc5.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
072ed6cc455a675eddb3832d6492f7fb251fe5aee1be02b47cc213bdeb8e3dc5.exe
Resource
win10v2004-en-20220112
General
-
Target
072ed6cc455a675eddb3832d6492f7fb251fe5aee1be02b47cc213bdeb8e3dc5.exe
-
Size
100KB
-
MD5
98bb3db7c7dfe2097f88a778ca65eea7
-
SHA1
b8ad9ca9c3f5a38d2f536de5e05e9d808780618d
-
SHA256
072ed6cc455a675eddb3832d6492f7fb251fe5aee1be02b47cc213bdeb8e3dc5
-
SHA512
6aa9b1563ad61415097bd32e1b38f46338d575aa1641768496f5c146b3f010010ed2f465ba40c33a7e63d6cf3bb6b7eeedbadefb80de78c0a322fbe00b271518
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 3904 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
072ed6cc455a675eddb3832d6492f7fb251fe5aee1be02b47cc213bdeb8e3dc5.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 072ed6cc455a675eddb3832d6492f7fb251fe5aee1be02b47cc213bdeb8e3dc5.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
072ed6cc455a675eddb3832d6492f7fb251fe5aee1be02b47cc213bdeb8e3dc5.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 072ed6cc455a675eddb3832d6492f7fb251fe5aee1be02b47cc213bdeb8e3dc5.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 49 IoCs
Processes:
svchost.exedescription ioc process 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\Config\DownloadMode_BackCompat = "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\DownloadMonthlyLanBytes = "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\DownloadMonthlyRateFrBps = "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\GroupConnectionCount = "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 = "4084" 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\LANConnectionCount = "0" 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\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\DownloadMonthlyRateFrCnt = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2" 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\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\FrDownloadRatePct = "90" 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 = "0.649352" 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\PeerInfoCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.499922" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000" 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\DownloadMonthlyLinkLocalBytes = "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\BkDownloadRatePct = "45" 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 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 = "132893128135673097" 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\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\DownlinkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "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\MonthlyUploadRestriction = "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\NormalDownloadPendingCount = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
-
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
072ed6cc455a675eddb3832d6492f7fb251fe5aee1be02b47cc213bdeb8e3dc5.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 3948 072ed6cc455a675eddb3832d6492f7fb251fe5aee1be02b47cc213bdeb8e3dc5.exe Token: SeSecurityPrivilege 2404 TiWorker.exe Token: SeRestorePrivilege 2404 TiWorker.exe Token: SeBackupPrivilege 2404 TiWorker.exe Token: SeBackupPrivilege 2404 TiWorker.exe Token: SeRestorePrivilege 2404 TiWorker.exe Token: SeSecurityPrivilege 2404 TiWorker.exe Token: SeBackupPrivilege 2404 TiWorker.exe Token: SeRestorePrivilege 2404 TiWorker.exe Token: SeSecurityPrivilege 2404 TiWorker.exe Token: SeBackupPrivilege 2404 TiWorker.exe Token: SeRestorePrivilege 2404 TiWorker.exe Token: SeSecurityPrivilege 2404 TiWorker.exe Token: SeBackupPrivilege 2404 TiWorker.exe Token: SeRestorePrivilege 2404 TiWorker.exe Token: SeSecurityPrivilege 2404 TiWorker.exe Token: SeBackupPrivilege 2404 TiWorker.exe Token: SeRestorePrivilege 2404 TiWorker.exe Token: SeSecurityPrivilege 2404 TiWorker.exe Token: SeBackupPrivilege 2404 TiWorker.exe Token: SeRestorePrivilege 2404 TiWorker.exe Token: SeSecurityPrivilege 2404 TiWorker.exe Token: SeBackupPrivilege 2404 TiWorker.exe Token: SeRestorePrivilege 2404 TiWorker.exe Token: SeSecurityPrivilege 2404 TiWorker.exe Token: SeBackupPrivilege 2404 TiWorker.exe Token: SeRestorePrivilege 2404 TiWorker.exe Token: SeSecurityPrivilege 2404 TiWorker.exe Token: SeBackupPrivilege 2404 TiWorker.exe Token: SeRestorePrivilege 2404 TiWorker.exe Token: SeSecurityPrivilege 2404 TiWorker.exe Token: SeBackupPrivilege 2404 TiWorker.exe Token: SeRestorePrivilege 2404 TiWorker.exe Token: SeSecurityPrivilege 2404 TiWorker.exe Token: SeBackupPrivilege 2404 TiWorker.exe Token: SeRestorePrivilege 2404 TiWorker.exe Token: SeSecurityPrivilege 2404 TiWorker.exe Token: SeBackupPrivilege 2404 TiWorker.exe Token: SeRestorePrivilege 2404 TiWorker.exe Token: SeSecurityPrivilege 2404 TiWorker.exe Token: SeBackupPrivilege 2404 TiWorker.exe Token: SeRestorePrivilege 2404 TiWorker.exe Token: SeSecurityPrivilege 2404 TiWorker.exe Token: SeBackupPrivilege 2404 TiWorker.exe Token: SeRestorePrivilege 2404 TiWorker.exe Token: SeSecurityPrivilege 2404 TiWorker.exe Token: SeBackupPrivilege 2404 TiWorker.exe Token: SeRestorePrivilege 2404 TiWorker.exe Token: SeSecurityPrivilege 2404 TiWorker.exe Token: SeBackupPrivilege 2404 TiWorker.exe Token: SeRestorePrivilege 2404 TiWorker.exe Token: SeSecurityPrivilege 2404 TiWorker.exe Token: SeBackupPrivilege 2404 TiWorker.exe Token: SeRestorePrivilege 2404 TiWorker.exe Token: SeSecurityPrivilege 2404 TiWorker.exe Token: SeBackupPrivilege 2404 TiWorker.exe Token: SeRestorePrivilege 2404 TiWorker.exe Token: SeSecurityPrivilege 2404 TiWorker.exe Token: SeBackupPrivilege 2404 TiWorker.exe Token: SeRestorePrivilege 2404 TiWorker.exe Token: SeSecurityPrivilege 2404 TiWorker.exe Token: SeBackupPrivilege 2404 TiWorker.exe Token: SeRestorePrivilege 2404 TiWorker.exe Token: SeSecurityPrivilege 2404 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
072ed6cc455a675eddb3832d6492f7fb251fe5aee1be02b47cc213bdeb8e3dc5.execmd.exedescription pid process target process PID 3948 wrote to memory of 3904 3948 072ed6cc455a675eddb3832d6492f7fb251fe5aee1be02b47cc213bdeb8e3dc5.exe MediaCenter.exe PID 3948 wrote to memory of 3904 3948 072ed6cc455a675eddb3832d6492f7fb251fe5aee1be02b47cc213bdeb8e3dc5.exe MediaCenter.exe PID 3948 wrote to memory of 3904 3948 072ed6cc455a675eddb3832d6492f7fb251fe5aee1be02b47cc213bdeb8e3dc5.exe MediaCenter.exe PID 3948 wrote to memory of 1492 3948 072ed6cc455a675eddb3832d6492f7fb251fe5aee1be02b47cc213bdeb8e3dc5.exe cmd.exe PID 3948 wrote to memory of 1492 3948 072ed6cc455a675eddb3832d6492f7fb251fe5aee1be02b47cc213bdeb8e3dc5.exe cmd.exe PID 3948 wrote to memory of 1492 3948 072ed6cc455a675eddb3832d6492f7fb251fe5aee1be02b47cc213bdeb8e3dc5.exe cmd.exe PID 1492 wrote to memory of 3724 1492 cmd.exe PING.EXE PID 1492 wrote to memory of 3724 1492 cmd.exe PING.EXE PID 1492 wrote to memory of 3724 1492 cmd.exe PING.EXE
Processes
-
C:\Users\Admin\AppData\Local\Temp\072ed6cc455a675eddb3832d6492f7fb251fe5aee1be02b47cc213bdeb8e3dc5.exe"C:\Users\Admin\AppData\Local\Temp\072ed6cc455a675eddb3832d6492f7fb251fe5aee1be02b47cc213bdeb8e3dc5.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3948 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3904 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\072ed6cc455a675eddb3832d6492f7fb251fe5aee1be02b47cc213bdeb8e3dc5.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1492 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3724
-
C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:1952
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:3344
-
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:2404
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
7e9e932630410d8df1a1d5dac3c32018
SHA11a3dc5a6d65d5e206a502a069f3332d9e0e08da3
SHA2562e9c85240264bd95103800f72e2cf2fde17aa5331d8b4d24ca8776baf2570788
SHA51238f2545f41f23bf0a537804079b4ee2863f23701a53019084b97817940ac7820a47ec56a74cba6c1d948ea11ac673ca7038da9507784d81012515f5d31b6720a
-
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
7e9e932630410d8df1a1d5dac3c32018
SHA11a3dc5a6d65d5e206a502a069f3332d9e0e08da3
SHA2562e9c85240264bd95103800f72e2cf2fde17aa5331d8b4d24ca8776baf2570788
SHA51238f2545f41f23bf0a537804079b4ee2863f23701a53019084b97817940ac7820a47ec56a74cba6c1d948ea11ac673ca7038da9507784d81012515f5d31b6720a