Analysis
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max time kernel
160s -
max time network
168s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 09:41
Static task
static1
Behavioral task
behavioral1
Sample
094a46a0e3054265adcc4b7a1c4543b1652fcfb29f2aead26ee33acf94931102.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
094a46a0e3054265adcc4b7a1c4543b1652fcfb29f2aead26ee33acf94931102.exe
Resource
win10v2004-en-20220112
General
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Target
094a46a0e3054265adcc4b7a1c4543b1652fcfb29f2aead26ee33acf94931102.exe
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Size
60KB
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MD5
c38a957dc4f8152b98d5e4081a875e7e
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SHA1
4e91fea2b481d441f09fcec5def389b7069f1f14
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SHA256
094a46a0e3054265adcc4b7a1c4543b1652fcfb29f2aead26ee33acf94931102
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SHA512
e1a415cf7928396731442b4224f724f8ecf83be1934e5e5a4236ff3d3e7ca5e2aa0aa31320b8600d897b4997606d342fc1148ee6a4f18e9cdb84d7181b02f814
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 760 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
094a46a0e3054265adcc4b7a1c4543b1652fcfb29f2aead26ee33acf94931102.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 094a46a0e3054265adcc4b7a1c4543b1652fcfb29f2aead26ee33acf94931102.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
094a46a0e3054265adcc4b7a1c4543b1652fcfb29f2aead26ee33acf94931102.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 094a46a0e3054265adcc4b7a1c4543b1652fcfb29f2aead26ee33acf94931102.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 51 IoCs
Processes:
svchost.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893089867942894" 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\FrDownloadRatePct = "90" 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\UploadMonthlyLanBytes = "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\NormalDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.405266" 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\MonthlyUploadRestriction = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4292" 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\DownloadMonthlyRateFrBps = "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\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\LinkLocalConnectionCount = "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\DownlinkBps = "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\NormalDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3940" 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\PeerInfoCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "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\UplinkUsageBps = "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 = "0.006588" 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\DownloadMonthlyLinkLocalBytes = "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\DownloadMonthlyCdnBytes = "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\CDNConnectionCount = "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\UplinkBps = "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\UploadMonthlyInternetBytes = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "12.502040" 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\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\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\MemoryUsageKB = "4076" 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\DownloadMonthlyGroupBytes = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe094a46a0e3054265adcc4b7a1c4543b1652fcfb29f2aead26ee33acf94931102.exedescription pid process Token: SeSecurityPrivilege 3308 TiWorker.exe Token: SeRestorePrivilege 3308 TiWorker.exe Token: SeBackupPrivilege 3308 TiWorker.exe Token: SeIncBasePriorityPrivilege 1484 094a46a0e3054265adcc4b7a1c4543b1652fcfb29f2aead26ee33acf94931102.exe Token: SeBackupPrivilege 3308 TiWorker.exe Token: SeRestorePrivilege 3308 TiWorker.exe Token: SeSecurityPrivilege 3308 TiWorker.exe Token: SeBackupPrivilege 3308 TiWorker.exe Token: SeRestorePrivilege 3308 TiWorker.exe Token: SeSecurityPrivilege 3308 TiWorker.exe Token: SeBackupPrivilege 3308 TiWorker.exe Token: SeRestorePrivilege 3308 TiWorker.exe Token: SeSecurityPrivilege 3308 TiWorker.exe Token: SeBackupPrivilege 3308 TiWorker.exe Token: SeRestorePrivilege 3308 TiWorker.exe Token: SeSecurityPrivilege 3308 TiWorker.exe Token: SeBackupPrivilege 3308 TiWorker.exe Token: SeRestorePrivilege 3308 TiWorker.exe Token: SeSecurityPrivilege 3308 TiWorker.exe Token: SeBackupPrivilege 3308 TiWorker.exe Token: SeRestorePrivilege 3308 TiWorker.exe Token: SeSecurityPrivilege 3308 TiWorker.exe Token: SeBackupPrivilege 3308 TiWorker.exe Token: SeRestorePrivilege 3308 TiWorker.exe Token: SeSecurityPrivilege 3308 TiWorker.exe Token: SeBackupPrivilege 3308 TiWorker.exe Token: SeRestorePrivilege 3308 TiWorker.exe Token: SeSecurityPrivilege 3308 TiWorker.exe Token: SeBackupPrivilege 3308 TiWorker.exe Token: SeRestorePrivilege 3308 TiWorker.exe Token: SeSecurityPrivilege 3308 TiWorker.exe Token: SeBackupPrivilege 3308 TiWorker.exe Token: SeRestorePrivilege 3308 TiWorker.exe Token: SeSecurityPrivilege 3308 TiWorker.exe Token: SeBackupPrivilege 3308 TiWorker.exe Token: SeRestorePrivilege 3308 TiWorker.exe Token: SeSecurityPrivilege 3308 TiWorker.exe Token: SeBackupPrivilege 3308 TiWorker.exe Token: SeRestorePrivilege 3308 TiWorker.exe Token: SeSecurityPrivilege 3308 TiWorker.exe Token: SeBackupPrivilege 3308 TiWorker.exe Token: SeRestorePrivilege 3308 TiWorker.exe Token: SeSecurityPrivilege 3308 TiWorker.exe Token: SeBackupPrivilege 3308 TiWorker.exe Token: SeRestorePrivilege 3308 TiWorker.exe Token: SeSecurityPrivilege 3308 TiWorker.exe Token: SeBackupPrivilege 3308 TiWorker.exe Token: SeRestorePrivilege 3308 TiWorker.exe Token: SeSecurityPrivilege 3308 TiWorker.exe Token: SeBackupPrivilege 3308 TiWorker.exe Token: SeRestorePrivilege 3308 TiWorker.exe Token: SeSecurityPrivilege 3308 TiWorker.exe Token: SeBackupPrivilege 3308 TiWorker.exe Token: SeRestorePrivilege 3308 TiWorker.exe Token: SeSecurityPrivilege 3308 TiWorker.exe Token: SeBackupPrivilege 3308 TiWorker.exe Token: SeRestorePrivilege 3308 TiWorker.exe Token: SeSecurityPrivilege 3308 TiWorker.exe Token: SeBackupPrivilege 3308 TiWorker.exe Token: SeRestorePrivilege 3308 TiWorker.exe Token: SeSecurityPrivilege 3308 TiWorker.exe Token: SeBackupPrivilege 3308 TiWorker.exe Token: SeRestorePrivilege 3308 TiWorker.exe Token: SeSecurityPrivilege 3308 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
094a46a0e3054265adcc4b7a1c4543b1652fcfb29f2aead26ee33acf94931102.execmd.exedescription pid process target process PID 1484 wrote to memory of 760 1484 094a46a0e3054265adcc4b7a1c4543b1652fcfb29f2aead26ee33acf94931102.exe MediaCenter.exe PID 1484 wrote to memory of 760 1484 094a46a0e3054265adcc4b7a1c4543b1652fcfb29f2aead26ee33acf94931102.exe MediaCenter.exe PID 1484 wrote to memory of 760 1484 094a46a0e3054265adcc4b7a1c4543b1652fcfb29f2aead26ee33acf94931102.exe MediaCenter.exe PID 1484 wrote to memory of 3088 1484 094a46a0e3054265adcc4b7a1c4543b1652fcfb29f2aead26ee33acf94931102.exe cmd.exe PID 1484 wrote to memory of 3088 1484 094a46a0e3054265adcc4b7a1c4543b1652fcfb29f2aead26ee33acf94931102.exe cmd.exe PID 1484 wrote to memory of 3088 1484 094a46a0e3054265adcc4b7a1c4543b1652fcfb29f2aead26ee33acf94931102.exe cmd.exe PID 3088 wrote to memory of 404 3088 cmd.exe PING.EXE PID 3088 wrote to memory of 404 3088 cmd.exe PING.EXE PID 3088 wrote to memory of 404 3088 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\094a46a0e3054265adcc4b7a1c4543b1652fcfb29f2aead26ee33acf94931102.exe"C:\Users\Admin\AppData\Local\Temp\094a46a0e3054265adcc4b7a1c4543b1652fcfb29f2aead26ee33acf94931102.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1484 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:760 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\094a46a0e3054265adcc4b7a1c4543b1652fcfb29f2aead26ee33acf94931102.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3088 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:404
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3724
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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:2148
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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:3308
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
fc6aca86c5c3492d3c4d689598a86521
SHA1932a48dd30eebcb451afec8102d805693899a904
SHA2566c36bffd085dd599abfa59032464160b26699e141021dd888e9e14bf7e75ec6b
SHA512c30b17222126f5f4d5e4c2b295f5fdec1675705002fe34ad817d6020fe38b188f123ddb837580135e7f2a8709ef4ee6c999398535ff70a4bfdab2c3f11d9959f
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
fc6aca86c5c3492d3c4d689598a86521
SHA1932a48dd30eebcb451afec8102d805693899a904
SHA2566c36bffd085dd599abfa59032464160b26699e141021dd888e9e14bf7e75ec6b
SHA512c30b17222126f5f4d5e4c2b295f5fdec1675705002fe34ad817d6020fe38b188f123ddb837580135e7f2a8709ef4ee6c999398535ff70a4bfdab2c3f11d9959f