Analysis
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max time kernel
156s -
max time network
173s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 02:53
Static task
static1
Behavioral task
behavioral1
Sample
19353e191531bb53065906d575fe2ce72e9fede1b32cfc814ce35990a5da73b1.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
19353e191531bb53065906d575fe2ce72e9fede1b32cfc814ce35990a5da73b1.exe
Resource
win10v2004-en-20220112
General
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Target
19353e191531bb53065906d575fe2ce72e9fede1b32cfc814ce35990a5da73b1.exe
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Size
36KB
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MD5
17a23add0764bd1d99fd825421ddb0d5
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SHA1
752003a6c5975a5630bae7ed4d72013a589cac50
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SHA256
19353e191531bb53065906d575fe2ce72e9fede1b32cfc814ce35990a5da73b1
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SHA512
d37632051f8a8454faca24490aeb149472267303d2c8f337671ac73a0bc68368ea55c4eb17cc2da8fd5b643f0d54d1ce1a73e6080c987c97964614236634a860
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 1808 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
19353e191531bb53065906d575fe2ce72e9fede1b32cfc814ce35990a5da73b1.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 19353e191531bb53065906d575fe2ce72e9fede1b32cfc814ce35990a5da73b1.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
19353e191531bb53065906d575fe2ce72e9fede1b32cfc814ce35990a5da73b1.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 19353e191531bb53065906d575fe2ce72e9fede1b32cfc814ce35990a5da73b1.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\WinSxS\pending.xml TiWorker.exe File opened for modification C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat svchost.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\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\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\NormalDownloadPendingCount = "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\DownloadMonthlyCdnBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.658207" 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 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\Usage 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\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\PriorityDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4120" 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\DownloadMonthlyCacheHostBytes = "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\MonthlyUploadRestriction = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "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\DownloadMode_BackCompat = "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\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\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\Settings 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 = "132892844738730548" 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\UploadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "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 (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.500013" 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\DownloadMonthlyLanBytes = "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\PeerInfoCount = "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\NormalDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
19353e191531bb53065906d575fe2ce72e9fede1b32cfc814ce35990a5da73b1.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 3888 19353e191531bb53065906d575fe2ce72e9fede1b32cfc814ce35990a5da73b1.exe Token: SeSecurityPrivilege 3152 TiWorker.exe Token: SeRestorePrivilege 3152 TiWorker.exe Token: SeBackupPrivilege 3152 TiWorker.exe Token: SeBackupPrivilege 3152 TiWorker.exe Token: SeRestorePrivilege 3152 TiWorker.exe Token: SeSecurityPrivilege 3152 TiWorker.exe Token: SeBackupPrivilege 3152 TiWorker.exe Token: SeRestorePrivilege 3152 TiWorker.exe Token: SeSecurityPrivilege 3152 TiWorker.exe Token: SeBackupPrivilege 3152 TiWorker.exe Token: SeRestorePrivilege 3152 TiWorker.exe Token: SeSecurityPrivilege 3152 TiWorker.exe Token: SeBackupPrivilege 3152 TiWorker.exe Token: SeRestorePrivilege 3152 TiWorker.exe Token: SeSecurityPrivilege 3152 TiWorker.exe Token: SeBackupPrivilege 3152 TiWorker.exe Token: SeRestorePrivilege 3152 TiWorker.exe Token: SeSecurityPrivilege 3152 TiWorker.exe Token: SeBackupPrivilege 3152 TiWorker.exe Token: SeRestorePrivilege 3152 TiWorker.exe Token: SeSecurityPrivilege 3152 TiWorker.exe Token: SeBackupPrivilege 3152 TiWorker.exe Token: SeRestorePrivilege 3152 TiWorker.exe Token: SeSecurityPrivilege 3152 TiWorker.exe Token: SeBackupPrivilege 3152 TiWorker.exe Token: SeRestorePrivilege 3152 TiWorker.exe Token: SeSecurityPrivilege 3152 TiWorker.exe Token: SeBackupPrivilege 3152 TiWorker.exe Token: SeRestorePrivilege 3152 TiWorker.exe Token: SeSecurityPrivilege 3152 TiWorker.exe Token: SeBackupPrivilege 3152 TiWorker.exe Token: SeRestorePrivilege 3152 TiWorker.exe Token: SeSecurityPrivilege 3152 TiWorker.exe Token: SeBackupPrivilege 3152 TiWorker.exe Token: SeRestorePrivilege 3152 TiWorker.exe Token: SeSecurityPrivilege 3152 TiWorker.exe Token: SeBackupPrivilege 3152 TiWorker.exe Token: SeRestorePrivilege 3152 TiWorker.exe Token: SeSecurityPrivilege 3152 TiWorker.exe Token: SeBackupPrivilege 3152 TiWorker.exe Token: SeRestorePrivilege 3152 TiWorker.exe Token: SeSecurityPrivilege 3152 TiWorker.exe Token: SeBackupPrivilege 3152 TiWorker.exe Token: SeRestorePrivilege 3152 TiWorker.exe Token: SeSecurityPrivilege 3152 TiWorker.exe Token: SeBackupPrivilege 3152 TiWorker.exe Token: SeRestorePrivilege 3152 TiWorker.exe Token: SeSecurityPrivilege 3152 TiWorker.exe Token: SeBackupPrivilege 3152 TiWorker.exe Token: SeRestorePrivilege 3152 TiWorker.exe Token: SeSecurityPrivilege 3152 TiWorker.exe Token: SeBackupPrivilege 3152 TiWorker.exe Token: SeRestorePrivilege 3152 TiWorker.exe Token: SeSecurityPrivilege 3152 TiWorker.exe Token: SeBackupPrivilege 3152 TiWorker.exe Token: SeRestorePrivilege 3152 TiWorker.exe Token: SeSecurityPrivilege 3152 TiWorker.exe Token: SeBackupPrivilege 3152 TiWorker.exe Token: SeRestorePrivilege 3152 TiWorker.exe Token: SeSecurityPrivilege 3152 TiWorker.exe Token: SeBackupPrivilege 3152 TiWorker.exe Token: SeRestorePrivilege 3152 TiWorker.exe Token: SeSecurityPrivilege 3152 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
19353e191531bb53065906d575fe2ce72e9fede1b32cfc814ce35990a5da73b1.execmd.exedescription pid process target process PID 3888 wrote to memory of 1808 3888 19353e191531bb53065906d575fe2ce72e9fede1b32cfc814ce35990a5da73b1.exe MediaCenter.exe PID 3888 wrote to memory of 1808 3888 19353e191531bb53065906d575fe2ce72e9fede1b32cfc814ce35990a5da73b1.exe MediaCenter.exe PID 3888 wrote to memory of 1808 3888 19353e191531bb53065906d575fe2ce72e9fede1b32cfc814ce35990a5da73b1.exe MediaCenter.exe PID 3888 wrote to memory of 2168 3888 19353e191531bb53065906d575fe2ce72e9fede1b32cfc814ce35990a5da73b1.exe cmd.exe PID 3888 wrote to memory of 2168 3888 19353e191531bb53065906d575fe2ce72e9fede1b32cfc814ce35990a5da73b1.exe cmd.exe PID 3888 wrote to memory of 2168 3888 19353e191531bb53065906d575fe2ce72e9fede1b32cfc814ce35990a5da73b1.exe cmd.exe PID 2168 wrote to memory of 3628 2168 cmd.exe PING.EXE PID 2168 wrote to memory of 3628 2168 cmd.exe PING.EXE PID 2168 wrote to memory of 3628 2168 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\19353e191531bb53065906d575fe2ce72e9fede1b32cfc814ce35990a5da73b1.exe"C:\Users\Admin\AppData\Local\Temp\19353e191531bb53065906d575fe2ce72e9fede1b32cfc814ce35990a5da73b1.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3888 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1808 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\19353e191531bb53065906d575fe2ce72e9fede1b32cfc814ce35990a5da73b1.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2168 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3628
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:4036
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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:1908
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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:3152
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
1507f3c54af415b7101e747cc7efdc4e
SHA12ec63360d75fb1963a01b159ab6e402e2a282bca
SHA25618555dae5d18d4addec8776ae71c9592673718c79f16ce42bd5369b288758ca2
SHA51298cb0503232d2e82391fc0a4a40d9d6c0c50b46186f38e64028b05ef34312cb5aa88dc1dacfc1aa91fe78190bf70925ea46cfbe7381ae2d6a1318c35726faaad
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MD5
1507f3c54af415b7101e747cc7efdc4e
SHA12ec63360d75fb1963a01b159ab6e402e2a282bca
SHA25618555dae5d18d4addec8776ae71c9592673718c79f16ce42bd5369b288758ca2
SHA51298cb0503232d2e82391fc0a4a40d9d6c0c50b46186f38e64028b05ef34312cb5aa88dc1dacfc1aa91fe78190bf70925ea46cfbe7381ae2d6a1318c35726faaad