Analysis
-
max time kernel
148s -
max time network
167s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 11:56
Static task
static1
Behavioral task
behavioral1
Sample
02ecda1a613dce101b6eb84dae55be1a466cd7f8f2fc17bdf50a70b6260c2691.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
02ecda1a613dce101b6eb84dae55be1a466cd7f8f2fc17bdf50a70b6260c2691.exe
Resource
win10v2004-en-20220112
General
-
Target
02ecda1a613dce101b6eb84dae55be1a466cd7f8f2fc17bdf50a70b6260c2691.exe
-
Size
35KB
-
MD5
7c19b86413f34d9802244654b916b066
-
SHA1
26c46ecd8744f2155fc93720e70b53432a84c16c
-
SHA256
02ecda1a613dce101b6eb84dae55be1a466cd7f8f2fc17bdf50a70b6260c2691
-
SHA512
93cb71eecaa666451dc138772b9e57eba088338285d4aceb3c3c07bab609751734d87fb85d335efddeab3ecba2f5379d0fc1d71beed64e970550ca8f09cf0ab3
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 3168 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
02ecda1a613dce101b6eb84dae55be1a466cd7f8f2fc17bdf50a70b6260c2691.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 02ecda1a613dce101b6eb84dae55be1a466cd7f8f2fc17bdf50a70b6260c2691.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
02ecda1a613dce101b6eb84dae55be1a466cd7f8f2fc17bdf50a70b6260c2691.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 02ecda1a613dce101b6eb84dae55be1a466cd7f8f2fc17bdf50a70b6260c2691.exe -
Drops file in Windows directory 3 IoCs
Processes:
TiWorker.exesvchost.exedescription ioc process File opened for modification C:\Windows\WinSxS\pending.xml TiWorker.exe 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 -
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\DownloadMonthlyGroupBytes = "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\SwarmCount = "1" 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\DownlinkUsageBps = "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\SwarmCount = "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\DownloadMonthlyRateFrBps = "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\BkDownloadRatePct = "45" 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\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\NormalDownloadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.369617" 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\DownloadMonthlyInternetBytes = "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\CDNConnectionCount = "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\Usage\LinkLocalConnectionCount = "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\UploadMonthlyLanBytes = "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\MemoryUsageKB = "4108" 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\Usage\CPUpct = "0.328957" 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\Config\DownloadMode_BackCompat = "1" 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\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\Usage\DownloadMonthlyRateFrCnt = "0" 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 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\KVFileExpirationTime = "132893186161718459" 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\NormalDownloadPendingCount = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config 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\UplinkBps = "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\MemoryUsageKB = "4220" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
-
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe02ecda1a613dce101b6eb84dae55be1a466cd7f8f2fc17bdf50a70b6260c2691.exedescription pid process Token: SeSecurityPrivilege 2168 TiWorker.exe Token: SeRestorePrivilege 2168 TiWorker.exe Token: SeBackupPrivilege 2168 TiWorker.exe Token: SeBackupPrivilege 2168 TiWorker.exe Token: SeRestorePrivilege 2168 TiWorker.exe Token: SeSecurityPrivilege 2168 TiWorker.exe Token: SeBackupPrivilege 2168 TiWorker.exe Token: SeRestorePrivilege 2168 TiWorker.exe Token: SeSecurityPrivilege 2168 TiWorker.exe Token: SeBackupPrivilege 2168 TiWorker.exe Token: SeRestorePrivilege 2168 TiWorker.exe Token: SeSecurityPrivilege 2168 TiWorker.exe Token: SeBackupPrivilege 2168 TiWorker.exe Token: SeRestorePrivilege 2168 TiWorker.exe Token: SeSecurityPrivilege 2168 TiWorker.exe Token: SeBackupPrivilege 2168 TiWorker.exe Token: SeRestorePrivilege 2168 TiWorker.exe Token: SeSecurityPrivilege 2168 TiWorker.exe Token: SeBackupPrivilege 2168 TiWorker.exe Token: SeRestorePrivilege 2168 TiWorker.exe Token: SeSecurityPrivilege 2168 TiWorker.exe Token: SeBackupPrivilege 2168 TiWorker.exe Token: SeRestorePrivilege 2168 TiWorker.exe Token: SeSecurityPrivilege 2168 TiWorker.exe Token: SeBackupPrivilege 2168 TiWorker.exe Token: SeRestorePrivilege 2168 TiWorker.exe Token: SeSecurityPrivilege 2168 TiWorker.exe Token: SeBackupPrivilege 2168 TiWorker.exe Token: SeRestorePrivilege 2168 TiWorker.exe Token: SeSecurityPrivilege 2168 TiWorker.exe Token: SeBackupPrivilege 2168 TiWorker.exe Token: SeRestorePrivilege 2168 TiWorker.exe Token: SeSecurityPrivilege 2168 TiWorker.exe Token: SeBackupPrivilege 2168 TiWorker.exe Token: SeRestorePrivilege 2168 TiWorker.exe Token: SeSecurityPrivilege 2168 TiWorker.exe Token: SeBackupPrivilege 2168 TiWorker.exe Token: SeRestorePrivilege 2168 TiWorker.exe Token: SeSecurityPrivilege 2168 TiWorker.exe Token: SeBackupPrivilege 2168 TiWorker.exe Token: SeRestorePrivilege 2168 TiWorker.exe Token: SeSecurityPrivilege 2168 TiWorker.exe Token: SeBackupPrivilege 2168 TiWorker.exe Token: SeRestorePrivilege 2168 TiWorker.exe Token: SeSecurityPrivilege 2168 TiWorker.exe Token: SeBackupPrivilege 2168 TiWorker.exe Token: SeRestorePrivilege 2168 TiWorker.exe Token: SeSecurityPrivilege 2168 TiWorker.exe Token: SeIncBasePriorityPrivilege 1588 02ecda1a613dce101b6eb84dae55be1a466cd7f8f2fc17bdf50a70b6260c2691.exe Token: SeBackupPrivilege 2168 TiWorker.exe Token: SeRestorePrivilege 2168 TiWorker.exe Token: SeSecurityPrivilege 2168 TiWorker.exe Token: SeBackupPrivilege 2168 TiWorker.exe Token: SeRestorePrivilege 2168 TiWorker.exe Token: SeSecurityPrivilege 2168 TiWorker.exe Token: SeBackupPrivilege 2168 TiWorker.exe Token: SeRestorePrivilege 2168 TiWorker.exe Token: SeSecurityPrivilege 2168 TiWorker.exe Token: SeBackupPrivilege 2168 TiWorker.exe Token: SeRestorePrivilege 2168 TiWorker.exe Token: SeSecurityPrivilege 2168 TiWorker.exe Token: SeBackupPrivilege 2168 TiWorker.exe Token: SeRestorePrivilege 2168 TiWorker.exe Token: SeSecurityPrivilege 2168 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
02ecda1a613dce101b6eb84dae55be1a466cd7f8f2fc17bdf50a70b6260c2691.execmd.exedescription pid process target process PID 1588 wrote to memory of 3168 1588 02ecda1a613dce101b6eb84dae55be1a466cd7f8f2fc17bdf50a70b6260c2691.exe MediaCenter.exe PID 1588 wrote to memory of 3168 1588 02ecda1a613dce101b6eb84dae55be1a466cd7f8f2fc17bdf50a70b6260c2691.exe MediaCenter.exe PID 1588 wrote to memory of 3168 1588 02ecda1a613dce101b6eb84dae55be1a466cd7f8f2fc17bdf50a70b6260c2691.exe MediaCenter.exe PID 1588 wrote to memory of 324 1588 02ecda1a613dce101b6eb84dae55be1a466cd7f8f2fc17bdf50a70b6260c2691.exe cmd.exe PID 1588 wrote to memory of 324 1588 02ecda1a613dce101b6eb84dae55be1a466cd7f8f2fc17bdf50a70b6260c2691.exe cmd.exe PID 1588 wrote to memory of 324 1588 02ecda1a613dce101b6eb84dae55be1a466cd7f8f2fc17bdf50a70b6260c2691.exe cmd.exe PID 324 wrote to memory of 3740 324 cmd.exe PING.EXE PID 324 wrote to memory of 3740 324 cmd.exe PING.EXE PID 324 wrote to memory of 3740 324 cmd.exe PING.EXE
Processes
-
C:\Users\Admin\AppData\Local\Temp\02ecda1a613dce101b6eb84dae55be1a466cd7f8f2fc17bdf50a70b6260c2691.exe"C:\Users\Admin\AppData\Local\Temp\02ecda1a613dce101b6eb84dae55be1a466cd7f8f2fc17bdf50a70b6260c2691.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1588 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3168 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\02ecda1a613dce101b6eb84dae55be1a466cd7f8f2fc17bdf50a70b6260c2691.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:324 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3740
-
C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3600
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:3632
-
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:2168
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
6df6e21eafa4d6a8b41a21b1f209bd78
SHA1253b43a82c29cf798b69184b1cb1d6293af5c4f0
SHA256bd2d4bcb70a3633d4a5c7a8e0ce1206e1f096e9f303957355f6c6f8acbf2b188
SHA512ef6af36da38a75f6eb955197cb0a5de65de96813a477906a7f299b054ae45bee9ddba3258e1aecffb68be028092827ccd10d8ebcd998c16a6107e83d29ce98cd
-
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
6df6e21eafa4d6a8b41a21b1f209bd78
SHA1253b43a82c29cf798b69184b1cb1d6293af5c4f0
SHA256bd2d4bcb70a3633d4a5c7a8e0ce1206e1f096e9f303957355f6c6f8acbf2b188
SHA512ef6af36da38a75f6eb955197cb0a5de65de96813a477906a7f299b054ae45bee9ddba3258e1aecffb68be028092827ccd10d8ebcd998c16a6107e83d29ce98cd