Analysis
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max time kernel
156s -
max time network
182s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 02:53
Static task
static1
Behavioral task
behavioral1
Sample
192d4760bfa9b2c2ea1963abf190fe5ba27d26ac26db74a79ac87917bf081892.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
192d4760bfa9b2c2ea1963abf190fe5ba27d26ac26db74a79ac87917bf081892.exe
Resource
win10v2004-en-20220112
General
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Target
192d4760bfa9b2c2ea1963abf190fe5ba27d26ac26db74a79ac87917bf081892.exe
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Size
36KB
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MD5
1e03520920495fa80a6fa77841f647f8
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SHA1
a965f481818d3d66dc6fd446b78baf7303caf1c9
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SHA256
192d4760bfa9b2c2ea1963abf190fe5ba27d26ac26db74a79ac87917bf081892
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SHA512
8aec43e981a23cb67d3424b05ba2a1aa0bbba7ade7adf64c291c3d67d63dd9c62b9a194c6714137f2bd70cf205d294f0b588a228501d71bd592347c1a83da83f
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 3196 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
192d4760bfa9b2c2ea1963abf190fe5ba27d26ac26db74a79ac87917bf081892.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 192d4760bfa9b2c2ea1963abf190fe5ba27d26ac26db74a79ac87917bf081892.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
192d4760bfa9b2c2ea1963abf190fe5ba27d26ac26db74a79ac87917bf081892.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 192d4760bfa9b2c2ea1963abf190fe5ba27d26ac26db74a79ac87917bf081892.exe -
Drops file in Windows directory 3 IoCs
Processes:
TiWorker.exesvchost.exedescription ioc process File opened for modification C:\Windows\Logs\CBS\CBS.log 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\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 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\MonthlyUploadRestriction = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.366301" 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\DownloadMonthlyLanBytes = "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\SwarmCount = "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\Config\DODownloadMode = "1" 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\UploadRatePct = "100" 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\NormalDownloadCount = "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\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 (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.104602" 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\InternetConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4096" 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\MonthID = "2" 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\LANConnectionCount = "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\Settings 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\UploadMonthlyLanBytes = "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\NormalDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4200" 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\DownloadMode_BackCompat = "1" 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\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\CacheSizeBytes = "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\LinkLocalConnectionCount = "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\DownloadMonthlyInternetBytes = "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\Config\KVFileExpirationTime = "132892844934121423" 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\UplinkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "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\DownloadMonthlyCdnBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
192d4760bfa9b2c2ea1963abf190fe5ba27d26ac26db74a79ac87917bf081892.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 1336 192d4760bfa9b2c2ea1963abf190fe5ba27d26ac26db74a79ac87917bf081892.exe Token: SeSecurityPrivilege 396 TiWorker.exe Token: SeRestorePrivilege 396 TiWorker.exe Token: SeBackupPrivilege 396 TiWorker.exe Token: SeBackupPrivilege 396 TiWorker.exe Token: SeRestorePrivilege 396 TiWorker.exe Token: SeSecurityPrivilege 396 TiWorker.exe Token: SeBackupPrivilege 396 TiWorker.exe Token: SeRestorePrivilege 396 TiWorker.exe Token: SeSecurityPrivilege 396 TiWorker.exe Token: SeBackupPrivilege 396 TiWorker.exe Token: SeRestorePrivilege 396 TiWorker.exe Token: SeSecurityPrivilege 396 TiWorker.exe Token: SeBackupPrivilege 396 TiWorker.exe Token: SeRestorePrivilege 396 TiWorker.exe Token: SeSecurityPrivilege 396 TiWorker.exe Token: SeBackupPrivilege 396 TiWorker.exe Token: SeRestorePrivilege 396 TiWorker.exe Token: SeSecurityPrivilege 396 TiWorker.exe Token: SeBackupPrivilege 396 TiWorker.exe Token: SeRestorePrivilege 396 TiWorker.exe Token: SeSecurityPrivilege 396 TiWorker.exe Token: SeBackupPrivilege 396 TiWorker.exe Token: SeRestorePrivilege 396 TiWorker.exe Token: SeSecurityPrivilege 396 TiWorker.exe Token: SeBackupPrivilege 396 TiWorker.exe Token: SeRestorePrivilege 396 TiWorker.exe Token: SeSecurityPrivilege 396 TiWorker.exe Token: SeBackupPrivilege 396 TiWorker.exe Token: SeRestorePrivilege 396 TiWorker.exe Token: SeSecurityPrivilege 396 TiWorker.exe Token: SeBackupPrivilege 396 TiWorker.exe Token: SeRestorePrivilege 396 TiWorker.exe Token: SeSecurityPrivilege 396 TiWorker.exe Token: SeBackupPrivilege 396 TiWorker.exe Token: SeRestorePrivilege 396 TiWorker.exe Token: SeSecurityPrivilege 396 TiWorker.exe Token: SeBackupPrivilege 396 TiWorker.exe Token: SeRestorePrivilege 396 TiWorker.exe Token: SeSecurityPrivilege 396 TiWorker.exe Token: SeBackupPrivilege 396 TiWorker.exe Token: SeRestorePrivilege 396 TiWorker.exe Token: SeSecurityPrivilege 396 TiWorker.exe Token: SeBackupPrivilege 396 TiWorker.exe Token: SeRestorePrivilege 396 TiWorker.exe Token: SeSecurityPrivilege 396 TiWorker.exe Token: SeBackupPrivilege 396 TiWorker.exe Token: SeRestorePrivilege 396 TiWorker.exe Token: SeSecurityPrivilege 396 TiWorker.exe Token: SeBackupPrivilege 396 TiWorker.exe Token: SeRestorePrivilege 396 TiWorker.exe Token: SeSecurityPrivilege 396 TiWorker.exe Token: SeBackupPrivilege 396 TiWorker.exe Token: SeRestorePrivilege 396 TiWorker.exe Token: SeSecurityPrivilege 396 TiWorker.exe Token: SeBackupPrivilege 396 TiWorker.exe Token: SeRestorePrivilege 396 TiWorker.exe Token: SeSecurityPrivilege 396 TiWorker.exe Token: SeBackupPrivilege 396 TiWorker.exe Token: SeRestorePrivilege 396 TiWorker.exe Token: SeSecurityPrivilege 396 TiWorker.exe Token: SeBackupPrivilege 396 TiWorker.exe Token: SeRestorePrivilege 396 TiWorker.exe Token: SeSecurityPrivilege 396 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
192d4760bfa9b2c2ea1963abf190fe5ba27d26ac26db74a79ac87917bf081892.execmd.exedescription pid process target process PID 1336 wrote to memory of 3196 1336 192d4760bfa9b2c2ea1963abf190fe5ba27d26ac26db74a79ac87917bf081892.exe MediaCenter.exe PID 1336 wrote to memory of 3196 1336 192d4760bfa9b2c2ea1963abf190fe5ba27d26ac26db74a79ac87917bf081892.exe MediaCenter.exe PID 1336 wrote to memory of 3196 1336 192d4760bfa9b2c2ea1963abf190fe5ba27d26ac26db74a79ac87917bf081892.exe MediaCenter.exe PID 1336 wrote to memory of 2088 1336 192d4760bfa9b2c2ea1963abf190fe5ba27d26ac26db74a79ac87917bf081892.exe cmd.exe PID 1336 wrote to memory of 2088 1336 192d4760bfa9b2c2ea1963abf190fe5ba27d26ac26db74a79ac87917bf081892.exe cmd.exe PID 1336 wrote to memory of 2088 1336 192d4760bfa9b2c2ea1963abf190fe5ba27d26ac26db74a79ac87917bf081892.exe cmd.exe PID 2088 wrote to memory of 3512 2088 cmd.exe PING.EXE PID 2088 wrote to memory of 3512 2088 cmd.exe PING.EXE PID 2088 wrote to memory of 3512 2088 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\192d4760bfa9b2c2ea1963abf190fe5ba27d26ac26db74a79ac87917bf081892.exe"C:\Users\Admin\AppData\Local\Temp\192d4760bfa9b2c2ea1963abf190fe5ba27d26ac26db74a79ac87917bf081892.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1336 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3196 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\192d4760bfa9b2c2ea1963abf190fe5ba27d26ac26db74a79ac87917bf081892.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2088 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3512
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:756
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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:1572
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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:396
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
2baf115bd40ae9bfc2693c7b7d4826b5
SHA1ec50700b70c39b6192339e55b2ae4f1d61fad36b
SHA256aacee48ffe98ef0a98c71679d30619512b67b313624fa74a42e524f50d6d5f43
SHA5122404aaa9de9d35ef8b475758668ef076d464646a8f1c5d702717a2f7a45af646efc55bb9b13c9926e168b76efd48f0f94a9429de783b3c2042a56090c31b748f
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MD5
2baf115bd40ae9bfc2693c7b7d4826b5
SHA1ec50700b70c39b6192339e55b2ae4f1d61fad36b
SHA256aacee48ffe98ef0a98c71679d30619512b67b313624fa74a42e524f50d6d5f43
SHA5122404aaa9de9d35ef8b475758668ef076d464646a8f1c5d702717a2f7a45af646efc55bb9b13c9926e168b76efd48f0f94a9429de783b3c2042a56090c31b748f