Analysis
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max time kernel
144s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 09:49
Static task
static1
Behavioral task
behavioral1
Sample
08fa44bffaeb2a5054af71102d2c96f815ac496f78c19d52b64d132849f96489.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
08fa44bffaeb2a5054af71102d2c96f815ac496f78c19d52b64d132849f96489.exe
Resource
win10v2004-en-20220112
General
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Target
08fa44bffaeb2a5054af71102d2c96f815ac496f78c19d52b64d132849f96489.exe
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Size
35KB
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MD5
129386e6ba7418931b58deeb282b05cd
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SHA1
0f757cc073dcb2913e24fdcbd770660690f7bb4d
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SHA256
08fa44bffaeb2a5054af71102d2c96f815ac496f78c19d52b64d132849f96489
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SHA512
7df7f452f38d44ca18f7ad6be332e7dcd53122a3b061eef7befd941011d004362cca79fa1b9d32237a2b4cabf9cf630f2c1d88dbf074366f7716ee1e7eeb36a4
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 1188 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
08fa44bffaeb2a5054af71102d2c96f815ac496f78c19d52b64d132849f96489.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 08fa44bffaeb2a5054af71102d2c96f815ac496f78c19d52b64d132849f96489.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
08fa44bffaeb2a5054af71102d2c96f815ac496f78c19d52b64d132849f96489.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 08fa44bffaeb2a5054af71102d2c96f815ac496f78c19d52b64d132849f96489.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 50 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\DownloadMonthlyRateBkCnt = "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\UploadRatePct = "100" 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 = "4096" 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\LANConnectionCount = "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\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\DownloadMonthlyGroupBytes = "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\CDNConnectionCount = "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\FrDownloadRatePct = "90" 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 (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\SwarmCount = "1" 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\MemoryUsageKB = "4316" 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\Config\DownloadMode_BackCompat = "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\DownlinkUsageBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.171379" 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\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 (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\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 (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.273575" 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\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\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\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\DownloadMonthlyCacheHostBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893100359096653" 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\UplinkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4312" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "16.694446" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
08fa44bffaeb2a5054af71102d2c96f815ac496f78c19d52b64d132849f96489.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 3304 08fa44bffaeb2a5054af71102d2c96f815ac496f78c19d52b64d132849f96489.exe Token: SeSecurityPrivilege 3244 TiWorker.exe Token: SeRestorePrivilege 3244 TiWorker.exe Token: SeBackupPrivilege 3244 TiWorker.exe Token: SeBackupPrivilege 3244 TiWorker.exe Token: SeRestorePrivilege 3244 TiWorker.exe Token: SeSecurityPrivilege 3244 TiWorker.exe Token: SeBackupPrivilege 3244 TiWorker.exe Token: SeRestorePrivilege 3244 TiWorker.exe Token: SeSecurityPrivilege 3244 TiWorker.exe Token: SeBackupPrivilege 3244 TiWorker.exe Token: SeRestorePrivilege 3244 TiWorker.exe Token: SeSecurityPrivilege 3244 TiWorker.exe Token: SeBackupPrivilege 3244 TiWorker.exe Token: SeRestorePrivilege 3244 TiWorker.exe Token: SeSecurityPrivilege 3244 TiWorker.exe Token: SeBackupPrivilege 3244 TiWorker.exe Token: SeRestorePrivilege 3244 TiWorker.exe Token: SeSecurityPrivilege 3244 TiWorker.exe Token: SeBackupPrivilege 3244 TiWorker.exe Token: SeRestorePrivilege 3244 TiWorker.exe Token: SeSecurityPrivilege 3244 TiWorker.exe Token: SeBackupPrivilege 3244 TiWorker.exe Token: SeRestorePrivilege 3244 TiWorker.exe Token: SeSecurityPrivilege 3244 TiWorker.exe Token: SeBackupPrivilege 3244 TiWorker.exe Token: SeRestorePrivilege 3244 TiWorker.exe Token: SeSecurityPrivilege 3244 TiWorker.exe Token: SeBackupPrivilege 3244 TiWorker.exe Token: SeRestorePrivilege 3244 TiWorker.exe Token: SeSecurityPrivilege 3244 TiWorker.exe Token: SeBackupPrivilege 3244 TiWorker.exe Token: SeRestorePrivilege 3244 TiWorker.exe Token: SeSecurityPrivilege 3244 TiWorker.exe Token: SeBackupPrivilege 3244 TiWorker.exe Token: SeRestorePrivilege 3244 TiWorker.exe Token: SeSecurityPrivilege 3244 TiWorker.exe Token: SeBackupPrivilege 3244 TiWorker.exe Token: SeRestorePrivilege 3244 TiWorker.exe Token: SeSecurityPrivilege 3244 TiWorker.exe Token: SeBackupPrivilege 3244 TiWorker.exe Token: SeRestorePrivilege 3244 TiWorker.exe Token: SeSecurityPrivilege 3244 TiWorker.exe Token: SeBackupPrivilege 3244 TiWorker.exe Token: SeRestorePrivilege 3244 TiWorker.exe Token: SeSecurityPrivilege 3244 TiWorker.exe Token: SeBackupPrivilege 3244 TiWorker.exe Token: SeRestorePrivilege 3244 TiWorker.exe Token: SeSecurityPrivilege 3244 TiWorker.exe Token: SeBackupPrivilege 3244 TiWorker.exe Token: SeRestorePrivilege 3244 TiWorker.exe Token: SeSecurityPrivilege 3244 TiWorker.exe Token: SeBackupPrivilege 3244 TiWorker.exe Token: SeRestorePrivilege 3244 TiWorker.exe Token: SeSecurityPrivilege 3244 TiWorker.exe Token: SeBackupPrivilege 3244 TiWorker.exe Token: SeRestorePrivilege 3244 TiWorker.exe Token: SeSecurityPrivilege 3244 TiWorker.exe Token: SeBackupPrivilege 3244 TiWorker.exe Token: SeRestorePrivilege 3244 TiWorker.exe Token: SeSecurityPrivilege 3244 TiWorker.exe Token: SeBackupPrivilege 3244 TiWorker.exe Token: SeRestorePrivilege 3244 TiWorker.exe Token: SeSecurityPrivilege 3244 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
08fa44bffaeb2a5054af71102d2c96f815ac496f78c19d52b64d132849f96489.execmd.exedescription pid process target process PID 3304 wrote to memory of 1188 3304 08fa44bffaeb2a5054af71102d2c96f815ac496f78c19d52b64d132849f96489.exe MediaCenter.exe PID 3304 wrote to memory of 1188 3304 08fa44bffaeb2a5054af71102d2c96f815ac496f78c19d52b64d132849f96489.exe MediaCenter.exe PID 3304 wrote to memory of 1188 3304 08fa44bffaeb2a5054af71102d2c96f815ac496f78c19d52b64d132849f96489.exe MediaCenter.exe PID 3304 wrote to memory of 4040 3304 08fa44bffaeb2a5054af71102d2c96f815ac496f78c19d52b64d132849f96489.exe cmd.exe PID 3304 wrote to memory of 4040 3304 08fa44bffaeb2a5054af71102d2c96f815ac496f78c19d52b64d132849f96489.exe cmd.exe PID 3304 wrote to memory of 4040 3304 08fa44bffaeb2a5054af71102d2c96f815ac496f78c19d52b64d132849f96489.exe cmd.exe PID 4040 wrote to memory of 2828 4040 cmd.exe PING.EXE PID 4040 wrote to memory of 2828 4040 cmd.exe PING.EXE PID 4040 wrote to memory of 2828 4040 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\08fa44bffaeb2a5054af71102d2c96f815ac496f78c19d52b64d132849f96489.exe"C:\Users\Admin\AppData\Local\Temp\08fa44bffaeb2a5054af71102d2c96f815ac496f78c19d52b64d132849f96489.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3304 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1188 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\08fa44bffaeb2a5054af71102d2c96f815ac496f78c19d52b64d132849f96489.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:4040 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2828
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:2540
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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:1476
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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:3244
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
d00ebaffa57622bca950d354ec4c54a0
SHA135008e782f73b8360b9c3e9eb6a37c0a4b47ba08
SHA25668ee79fec709bdd49099ce80fcfe6ff3f674f89b850e49999cbceb38103f8398
SHA5127e6289189fad484c368883771a42a3f1f7baa85a7acd7481a94965d532db691eec36f066182d8aab920499dfff9eb618d02d00c8cdc32cedf86249fd9a0f3a33
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
d00ebaffa57622bca950d354ec4c54a0
SHA135008e782f73b8360b9c3e9eb6a37c0a4b47ba08
SHA25668ee79fec709bdd49099ce80fcfe6ff3f674f89b850e49999cbceb38103f8398
SHA5127e6289189fad484c368883771a42a3f1f7baa85a7acd7481a94965d532db691eec36f066182d8aab920499dfff9eb618d02d00c8cdc32cedf86249fd9a0f3a33