Analysis
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max time kernel
151s -
max time network
175s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 03:02
Static task
static1
Behavioral task
behavioral1
Sample
18c0f95de7f3f8896de8e231fc8d8319807e1ad631421070d7c7b91fe3d7d78c.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
18c0f95de7f3f8896de8e231fc8d8319807e1ad631421070d7c7b91fe3d7d78c.exe
Resource
win10v2004-en-20220112
General
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Target
18c0f95de7f3f8896de8e231fc8d8319807e1ad631421070d7c7b91fe3d7d78c.exe
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Size
36KB
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MD5
ed823cf6931dc8525969f4c50a91ed9d
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SHA1
1e50bf5ab8d3335381480a2af9bed5cec387f9c7
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SHA256
18c0f95de7f3f8896de8e231fc8d8319807e1ad631421070d7c7b91fe3d7d78c
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SHA512
bbc598b63cacd9fac97b330d289d168b166698aef57a6e61eb64ce3bcfcf261beb14068495d2fac8449268fa17b565879a090abe547944e4c8d7a8b23ab97c3e
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 3008 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
18c0f95de7f3f8896de8e231fc8d8319807e1ad631421070d7c7b91fe3d7d78c.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 18c0f95de7f3f8896de8e231fc8d8319807e1ad631421070d7c7b91fe3d7d78c.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
18c0f95de7f3f8896de8e231fc8d8319807e1ad631421070d7c7b91fe3d7d78c.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 18c0f95de7f3f8896de8e231fc8d8319807e1ad631421070d7c7b91fe3d7d78c.exe -
Drops file in Windows directory 2 IoCs
Processes:
TiWorker.exedescription ioc process 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 47 IoCs
Processes:
svchost.exedescription ioc process 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 = "3756" 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\DownloadMonthlyRateFrCnt = "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\CacheSizeBytes = "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\GroupConnectionCount = "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\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\Usage\CPUpct = "16.654587" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0" 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\DownloadMonthlyInternetBytes = "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\FrDownloadRatePct = "90" 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\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\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\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\DownloadMonthlyGroupBytes = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.133929" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3744" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "11.113110" 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\PriorityDownloadCount = "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 (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\DownloadMonthlyRateFrBps = "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\LANConnectionCount = "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\MonthlyUploadRestriction = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3728" 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\DownloadMonthlyCdnBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe18c0f95de7f3f8896de8e231fc8d8319807e1ad631421070d7c7b91fe3d7d78c.exedescription pid process Token: SeSecurityPrivilege 1584 TiWorker.exe Token: SeRestorePrivilege 1584 TiWorker.exe Token: SeBackupPrivilege 1584 TiWorker.exe Token: SeIncBasePriorityPrivilege 3116 18c0f95de7f3f8896de8e231fc8d8319807e1ad631421070d7c7b91fe3d7d78c.exe Token: SeBackupPrivilege 1584 TiWorker.exe Token: SeRestorePrivilege 1584 TiWorker.exe Token: SeSecurityPrivilege 1584 TiWorker.exe Token: SeBackupPrivilege 1584 TiWorker.exe Token: SeRestorePrivilege 1584 TiWorker.exe Token: SeSecurityPrivilege 1584 TiWorker.exe Token: SeBackupPrivilege 1584 TiWorker.exe Token: SeRestorePrivilege 1584 TiWorker.exe Token: SeSecurityPrivilege 1584 TiWorker.exe Token: SeBackupPrivilege 1584 TiWorker.exe Token: SeRestorePrivilege 1584 TiWorker.exe Token: SeSecurityPrivilege 1584 TiWorker.exe Token: SeBackupPrivilege 1584 TiWorker.exe Token: SeRestorePrivilege 1584 TiWorker.exe Token: SeSecurityPrivilege 1584 TiWorker.exe Token: SeBackupPrivilege 1584 TiWorker.exe Token: SeRestorePrivilege 1584 TiWorker.exe Token: SeSecurityPrivilege 1584 TiWorker.exe Token: SeBackupPrivilege 1584 TiWorker.exe Token: SeRestorePrivilege 1584 TiWorker.exe Token: SeSecurityPrivilege 1584 TiWorker.exe Token: SeBackupPrivilege 1584 TiWorker.exe Token: SeRestorePrivilege 1584 TiWorker.exe Token: SeSecurityPrivilege 1584 TiWorker.exe Token: SeBackupPrivilege 1584 TiWorker.exe Token: SeRestorePrivilege 1584 TiWorker.exe Token: SeSecurityPrivilege 1584 TiWorker.exe Token: SeBackupPrivilege 1584 TiWorker.exe Token: SeRestorePrivilege 1584 TiWorker.exe Token: SeSecurityPrivilege 1584 TiWorker.exe Token: SeBackupPrivilege 1584 TiWorker.exe Token: SeRestorePrivilege 1584 TiWorker.exe Token: SeSecurityPrivilege 1584 TiWorker.exe Token: SeBackupPrivilege 1584 TiWorker.exe Token: SeRestorePrivilege 1584 TiWorker.exe Token: SeSecurityPrivilege 1584 TiWorker.exe Token: SeBackupPrivilege 1584 TiWorker.exe Token: SeRestorePrivilege 1584 TiWorker.exe Token: SeSecurityPrivilege 1584 TiWorker.exe Token: SeBackupPrivilege 1584 TiWorker.exe Token: SeRestorePrivilege 1584 TiWorker.exe Token: SeSecurityPrivilege 1584 TiWorker.exe Token: SeBackupPrivilege 1584 TiWorker.exe Token: SeRestorePrivilege 1584 TiWorker.exe Token: SeSecurityPrivilege 1584 TiWorker.exe Token: SeBackupPrivilege 1584 TiWorker.exe Token: SeRestorePrivilege 1584 TiWorker.exe Token: SeSecurityPrivilege 1584 TiWorker.exe Token: SeBackupPrivilege 1584 TiWorker.exe Token: SeRestorePrivilege 1584 TiWorker.exe Token: SeSecurityPrivilege 1584 TiWorker.exe Token: SeBackupPrivilege 1584 TiWorker.exe Token: SeRestorePrivilege 1584 TiWorker.exe Token: SeSecurityPrivilege 1584 TiWorker.exe Token: SeBackupPrivilege 1584 TiWorker.exe Token: SeRestorePrivilege 1584 TiWorker.exe Token: SeSecurityPrivilege 1584 TiWorker.exe Token: SeBackupPrivilege 1584 TiWorker.exe Token: SeRestorePrivilege 1584 TiWorker.exe Token: SeSecurityPrivilege 1584 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
18c0f95de7f3f8896de8e231fc8d8319807e1ad631421070d7c7b91fe3d7d78c.execmd.exedescription pid process target process PID 3116 wrote to memory of 3008 3116 18c0f95de7f3f8896de8e231fc8d8319807e1ad631421070d7c7b91fe3d7d78c.exe MediaCenter.exe PID 3116 wrote to memory of 3008 3116 18c0f95de7f3f8896de8e231fc8d8319807e1ad631421070d7c7b91fe3d7d78c.exe MediaCenter.exe PID 3116 wrote to memory of 3008 3116 18c0f95de7f3f8896de8e231fc8d8319807e1ad631421070d7c7b91fe3d7d78c.exe MediaCenter.exe PID 3116 wrote to memory of 3064 3116 18c0f95de7f3f8896de8e231fc8d8319807e1ad631421070d7c7b91fe3d7d78c.exe cmd.exe PID 3116 wrote to memory of 3064 3116 18c0f95de7f3f8896de8e231fc8d8319807e1ad631421070d7c7b91fe3d7d78c.exe cmd.exe PID 3116 wrote to memory of 3064 3116 18c0f95de7f3f8896de8e231fc8d8319807e1ad631421070d7c7b91fe3d7d78c.exe cmd.exe PID 3064 wrote to memory of 1128 3064 cmd.exe PING.EXE PID 3064 wrote to memory of 1128 3064 cmd.exe PING.EXE PID 3064 wrote to memory of 1128 3064 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\18c0f95de7f3f8896de8e231fc8d8319807e1ad631421070d7c7b91fe3d7d78c.exe"C:\Users\Admin\AppData\Local\Temp\18c0f95de7f3f8896de8e231fc8d8319807e1ad631421070d7c7b91fe3d7d78c.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3116 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3008 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\18c0f95de7f3f8896de8e231fc8d8319807e1ad631421070d7c7b91fe3d7d78c.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3064 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1128
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:1624
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p1⤵
- Modifies data under HKEY_USERS
PID:2940
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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:1584
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
c8a6cd10c746f2df5637f1148807c745
SHA1189d654b42beeb794a4c306efedd045efca6aa40
SHA25647dd7955819f772abdb321808ac8b42d842bbdbaff80dea6684f75556b47787d
SHA512344e338def887b33b3844e0e31733d0ca6ccf8156b003511257ee80024ecee9107d93b1c10ba7acb88c9b54adc0c88565196daa578657b81da120451de2434e5
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MD5
c8a6cd10c746f2df5637f1148807c745
SHA1189d654b42beeb794a4c306efedd045efca6aa40
SHA25647dd7955819f772abdb321808ac8b42d842bbdbaff80dea6684f75556b47787d
SHA512344e338def887b33b3844e0e31733d0ca6ccf8156b003511257ee80024ecee9107d93b1c10ba7acb88c9b54adc0c88565196daa578657b81da120451de2434e5