Analysis
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max time kernel
159s -
max time network
176s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 04:41
Static task
static1
Behavioral task
behavioral1
Sample
14cef74d599eae365a8881699462742f56b7a9a245bea2c255e4b5ca8a233311.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
14cef74d599eae365a8881699462742f56b7a9a245bea2c255e4b5ca8a233311.exe
Resource
win10v2004-en-20220112
General
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Target
14cef74d599eae365a8881699462742f56b7a9a245bea2c255e4b5ca8a233311.exe
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Size
60KB
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MD5
730846bc69f2f688f10854bec62e399f
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SHA1
2956e6bb8a149d200e9f9539ff9cf04a9f1101f3
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SHA256
14cef74d599eae365a8881699462742f56b7a9a245bea2c255e4b5ca8a233311
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SHA512
51e42df33e0ff42c7e74fca653b05a6a7a762a2faf20b147a74b7973f772f53ec3e0952cbe5a530f39bd0564bdf5761b831cbabaf6a1e0b57ca52d2ecafd0712
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 1492 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
14cef74d599eae365a8881699462742f56b7a9a245bea2c255e4b5ca8a233311.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 14cef74d599eae365a8881699462742f56b7a9a245bea2c255e4b5ca8a233311.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
14cef74d599eae365a8881699462742f56b7a9a245bea2c255e4b5ca8a233311.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 14cef74d599eae365a8881699462742f56b7a9a245bea2c255e4b5ca8a233311.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 49 IoCs
Processes:
svchost.exedescription ioc process 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\UploadMonthlyInternetBytes = "0" 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\DownlinkUsageBps = "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\UploadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.484427" 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\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\DownloadMonthlyCacheHostBytes = "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\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\Config\KVFileExpirationTime = "132892909843297417" 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 (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\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\DownlinkBps = "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\UploadRatePct = "100" 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\DownloadMonthlyRateFrCnt = "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 = "1" 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\MemoryUsageKB = "4068" 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\LANConnectionCount = "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\UplinkBps = "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\NormalDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4176" 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\Config\DownloadMode_BackCompat = "1" 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\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 = "8.274872" 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\DownloadMonthlyInternetBytes = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 34 IoCs
Processes:
14cef74d599eae365a8881699462742f56b7a9a245bea2c255e4b5ca8a233311.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 3752 14cef74d599eae365a8881699462742f56b7a9a245bea2c255e4b5ca8a233311.exe Token: SeSecurityPrivilege 3868 TiWorker.exe Token: SeRestorePrivilege 3868 TiWorker.exe Token: SeBackupPrivilege 3868 TiWorker.exe Token: SeBackupPrivilege 3868 TiWorker.exe Token: SeRestorePrivilege 3868 TiWorker.exe Token: SeSecurityPrivilege 3868 TiWorker.exe Token: SeBackupPrivilege 3868 TiWorker.exe Token: SeRestorePrivilege 3868 TiWorker.exe Token: SeSecurityPrivilege 3868 TiWorker.exe Token: SeBackupPrivilege 3868 TiWorker.exe Token: SeRestorePrivilege 3868 TiWorker.exe Token: SeSecurityPrivilege 3868 TiWorker.exe Token: SeBackupPrivilege 3868 TiWorker.exe Token: SeRestorePrivilege 3868 TiWorker.exe Token: SeSecurityPrivilege 3868 TiWorker.exe Token: SeBackupPrivilege 3868 TiWorker.exe Token: SeRestorePrivilege 3868 TiWorker.exe Token: SeSecurityPrivilege 3868 TiWorker.exe Token: SeBackupPrivilege 3868 TiWorker.exe Token: SeRestorePrivilege 3868 TiWorker.exe Token: SeSecurityPrivilege 3868 TiWorker.exe Token: SeBackupPrivilege 3868 TiWorker.exe Token: SeRestorePrivilege 3868 TiWorker.exe Token: SeSecurityPrivilege 3868 TiWorker.exe Token: SeBackupPrivilege 3868 TiWorker.exe Token: SeRestorePrivilege 3868 TiWorker.exe Token: SeSecurityPrivilege 3868 TiWorker.exe Token: SeBackupPrivilege 3868 TiWorker.exe Token: SeRestorePrivilege 3868 TiWorker.exe Token: SeSecurityPrivilege 3868 TiWorker.exe Token: SeBackupPrivilege 3868 TiWorker.exe Token: SeRestorePrivilege 3868 TiWorker.exe Token: SeSecurityPrivilege 3868 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
14cef74d599eae365a8881699462742f56b7a9a245bea2c255e4b5ca8a233311.execmd.exedescription pid process target process PID 3752 wrote to memory of 1492 3752 14cef74d599eae365a8881699462742f56b7a9a245bea2c255e4b5ca8a233311.exe MediaCenter.exe PID 3752 wrote to memory of 1492 3752 14cef74d599eae365a8881699462742f56b7a9a245bea2c255e4b5ca8a233311.exe MediaCenter.exe PID 3752 wrote to memory of 1492 3752 14cef74d599eae365a8881699462742f56b7a9a245bea2c255e4b5ca8a233311.exe MediaCenter.exe PID 3752 wrote to memory of 3824 3752 14cef74d599eae365a8881699462742f56b7a9a245bea2c255e4b5ca8a233311.exe cmd.exe PID 3752 wrote to memory of 3824 3752 14cef74d599eae365a8881699462742f56b7a9a245bea2c255e4b5ca8a233311.exe cmd.exe PID 3752 wrote to memory of 3824 3752 14cef74d599eae365a8881699462742f56b7a9a245bea2c255e4b5ca8a233311.exe cmd.exe PID 3824 wrote to memory of 3552 3824 cmd.exe PING.EXE PID 3824 wrote to memory of 3552 3824 cmd.exe PING.EXE PID 3824 wrote to memory of 3552 3824 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\14cef74d599eae365a8881699462742f56b7a9a245bea2c255e4b5ca8a233311.exe"C:\Users\Admin\AppData\Local\Temp\14cef74d599eae365a8881699462742f56b7a9a245bea2c255e4b5ca8a233311.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3752 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1492 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\14cef74d599eae365a8881699462742f56b7a9a245bea2c255e4b5ca8a233311.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3824 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3552
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:2188
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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:1116
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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:3868
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
655122a492f6266fbcd85023f11049b7
SHA103c238b9b129ff14e6fff782f29646ebcce6fc13
SHA256eeb4b27e7e1bdd9572e7f883e9c5ca1a3ceb7d3fb7c7e112f5acce598ca6e1d3
SHA512e4f328d29d1db8dc41de3440cba6764761b7e1c9876f184cdbdf2e6560ec4a0db3d51285fcf305b13d67857ab70885d1edcccc94c86aa0631ca37c1912ae60d3
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MD5
655122a492f6266fbcd85023f11049b7
SHA103c238b9b129ff14e6fff782f29646ebcce6fc13
SHA256eeb4b27e7e1bdd9572e7f883e9c5ca1a3ceb7d3fb7c7e112f5acce598ca6e1d3
SHA512e4f328d29d1db8dc41de3440cba6764761b7e1c9876f184cdbdf2e6560ec4a0db3d51285fcf305b13d67857ab70885d1edcccc94c86aa0631ca37c1912ae60d3