Analysis
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max time kernel
158s -
max time network
165s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 05:24
Static task
static1
Behavioral task
behavioral1
Sample
12d88443427338a8f950462514c99d7da0b7f47bf1f34224033424be2ae0a595.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
12d88443427338a8f950462514c99d7da0b7f47bf1f34224033424be2ae0a595.exe
Resource
win10v2004-en-20220112
General
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Target
12d88443427338a8f950462514c99d7da0b7f47bf1f34224033424be2ae0a595.exe
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Size
58KB
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MD5
d1425a276470e9d30f56565cd312c469
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SHA1
50ad1a8256a2e9604f7cb7dd206aa9d0d45e1c35
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SHA256
12d88443427338a8f950462514c99d7da0b7f47bf1f34224033424be2ae0a595
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SHA512
c23f3b6dc6e1382e96a45c75df95725e1a639f9aa1d1bbdd687219383696828ed1e003d41eb8b53071102c7883adcb192f10ecb1c44d9a81fe9dd765cc3cdd21
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 3952 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
12d88443427338a8f950462514c99d7da0b7f47bf1f34224033424be2ae0a595.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 12d88443427338a8f950462514c99d7da0b7f47bf1f34224033424be2ae0a595.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
12d88443427338a8f950462514c99d7da0b7f47bf1f34224033424be2ae0a595.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 12d88443427338a8f950462514c99d7da0b7f47bf1f34224033424be2ae0a595.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 4 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
MusNotifyIcon.exeMusNotifyIcon.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 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\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\UploadCount = "0" 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 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\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\LinkLocalConnectionCount = "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\MemoryUsageKB = "4024" 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\InternetConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.285678" 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\DownlinkUsageBps = "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\NormalDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.405459" 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\DownloadMonthlyCdnBytes = "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\LANConnectionCount = "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\UploadRatePct = "100" 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\DownloadMonthlyLanBytes = "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\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\FrDownloadRatePct = "90" 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\UploadMonthlyLanBytes = "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\NormalDownloadCount = "0" 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\Config\DODownloadMode = "1" 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\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\Config\KVFileExpirationTime = "132892935574158773" 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\MonthlyUploadRestriction = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4232" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
12d88443427338a8f950462514c99d7da0b7f47bf1f34224033424be2ae0a595.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 4048 12d88443427338a8f950462514c99d7da0b7f47bf1f34224033424be2ae0a595.exe Token: SeSecurityPrivilege 3612 TiWorker.exe Token: SeRestorePrivilege 3612 TiWorker.exe Token: SeBackupPrivilege 3612 TiWorker.exe Token: SeBackupPrivilege 3612 TiWorker.exe Token: SeRestorePrivilege 3612 TiWorker.exe Token: SeSecurityPrivilege 3612 TiWorker.exe Token: SeBackupPrivilege 3612 TiWorker.exe Token: SeRestorePrivilege 3612 TiWorker.exe Token: SeSecurityPrivilege 3612 TiWorker.exe Token: SeBackupPrivilege 3612 TiWorker.exe Token: SeRestorePrivilege 3612 TiWorker.exe Token: SeSecurityPrivilege 3612 TiWorker.exe Token: SeBackupPrivilege 3612 TiWorker.exe Token: SeRestorePrivilege 3612 TiWorker.exe Token: SeSecurityPrivilege 3612 TiWorker.exe Token: SeBackupPrivilege 3612 TiWorker.exe Token: SeRestorePrivilege 3612 TiWorker.exe Token: SeSecurityPrivilege 3612 TiWorker.exe Token: SeBackupPrivilege 3612 TiWorker.exe Token: SeRestorePrivilege 3612 TiWorker.exe Token: SeSecurityPrivilege 3612 TiWorker.exe Token: SeBackupPrivilege 3612 TiWorker.exe Token: SeRestorePrivilege 3612 TiWorker.exe Token: SeSecurityPrivilege 3612 TiWorker.exe Token: SeBackupPrivilege 3612 TiWorker.exe Token: SeRestorePrivilege 3612 TiWorker.exe Token: SeSecurityPrivilege 3612 TiWorker.exe Token: SeBackupPrivilege 3612 TiWorker.exe Token: SeRestorePrivilege 3612 TiWorker.exe Token: SeSecurityPrivilege 3612 TiWorker.exe Token: SeBackupPrivilege 3612 TiWorker.exe Token: SeRestorePrivilege 3612 TiWorker.exe Token: SeSecurityPrivilege 3612 TiWorker.exe Token: SeBackupPrivilege 3612 TiWorker.exe Token: SeRestorePrivilege 3612 TiWorker.exe Token: SeSecurityPrivilege 3612 TiWorker.exe Token: SeBackupPrivilege 3612 TiWorker.exe Token: SeRestorePrivilege 3612 TiWorker.exe Token: SeSecurityPrivilege 3612 TiWorker.exe Token: SeBackupPrivilege 3612 TiWorker.exe Token: SeRestorePrivilege 3612 TiWorker.exe Token: SeSecurityPrivilege 3612 TiWorker.exe Token: SeBackupPrivilege 3612 TiWorker.exe Token: SeRestorePrivilege 3612 TiWorker.exe Token: SeSecurityPrivilege 3612 TiWorker.exe Token: SeBackupPrivilege 3612 TiWorker.exe Token: SeRestorePrivilege 3612 TiWorker.exe Token: SeSecurityPrivilege 3612 TiWorker.exe Token: SeBackupPrivilege 3612 TiWorker.exe Token: SeRestorePrivilege 3612 TiWorker.exe Token: SeSecurityPrivilege 3612 TiWorker.exe Token: SeBackupPrivilege 3612 TiWorker.exe Token: SeRestorePrivilege 3612 TiWorker.exe Token: SeSecurityPrivilege 3612 TiWorker.exe Token: SeBackupPrivilege 3612 TiWorker.exe Token: SeRestorePrivilege 3612 TiWorker.exe Token: SeSecurityPrivilege 3612 TiWorker.exe Token: SeBackupPrivilege 3612 TiWorker.exe Token: SeRestorePrivilege 3612 TiWorker.exe Token: SeSecurityPrivilege 3612 TiWorker.exe Token: SeBackupPrivilege 3612 TiWorker.exe Token: SeRestorePrivilege 3612 TiWorker.exe Token: SeSecurityPrivilege 3612 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
12d88443427338a8f950462514c99d7da0b7f47bf1f34224033424be2ae0a595.execmd.exedescription pid process target process PID 4048 wrote to memory of 3952 4048 12d88443427338a8f950462514c99d7da0b7f47bf1f34224033424be2ae0a595.exe MediaCenter.exe PID 4048 wrote to memory of 3952 4048 12d88443427338a8f950462514c99d7da0b7f47bf1f34224033424be2ae0a595.exe MediaCenter.exe PID 4048 wrote to memory of 3952 4048 12d88443427338a8f950462514c99d7da0b7f47bf1f34224033424be2ae0a595.exe MediaCenter.exe PID 4048 wrote to memory of 1212 4048 12d88443427338a8f950462514c99d7da0b7f47bf1f34224033424be2ae0a595.exe cmd.exe PID 4048 wrote to memory of 1212 4048 12d88443427338a8f950462514c99d7da0b7f47bf1f34224033424be2ae0a595.exe cmd.exe PID 4048 wrote to memory of 1212 4048 12d88443427338a8f950462514c99d7da0b7f47bf1f34224033424be2ae0a595.exe cmd.exe PID 1212 wrote to memory of 3796 1212 cmd.exe PING.EXE PID 1212 wrote to memory of 3796 1212 cmd.exe PING.EXE PID 1212 wrote to memory of 3796 1212 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\12d88443427338a8f950462514c99d7da0b7f47bf1f34224033424be2ae0a595.exe"C:\Users\Admin\AppData\Local\Temp\12d88443427338a8f950462514c99d7da0b7f47bf1f34224033424be2ae0a595.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4048 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3952 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\12d88443427338a8f950462514c99d7da0b7f47bf1f34224033424be2ae0a595.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1212 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3796
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3384
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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:32
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:1328
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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:3612
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
c56cacaa0f70fc40a4eefd675c91302b
SHA15a4c9182b25568df6a5c55b507b786db42a5a8de
SHA256364ae580658f8bfca31ca4cdbb27f43587a2dfb7decd832c6253ab128f19be61
SHA512dd36e0a00743bcb9602e396897f32445909c99939b843f8a67e3e5de97cda8635d42d4ca41b79142bfbc95eb8f6dbee3dcd3841fee14ec4672dd96a85f65ede1
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MD5
c56cacaa0f70fc40a4eefd675c91302b
SHA15a4c9182b25568df6a5c55b507b786db42a5a8de
SHA256364ae580658f8bfca31ca4cdbb27f43587a2dfb7decd832c6253ab128f19be61
SHA512dd36e0a00743bcb9602e396897f32445909c99939b843f8a67e3e5de97cda8635d42d4ca41b79142bfbc95eb8f6dbee3dcd3841fee14ec4672dd96a85f65ede1