Analysis
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max time kernel
177s -
max time network
174s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 09:47
Static task
static1
Behavioral task
behavioral1
Sample
090b87da1706238bf8bbe803c5e5e7ce9e69fccd338d72dce7ee5a563ae78e93.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
090b87da1706238bf8bbe803c5e5e7ce9e69fccd338d72dce7ee5a563ae78e93.exe
Resource
win10v2004-en-20220112
General
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Target
090b87da1706238bf8bbe803c5e5e7ce9e69fccd338d72dce7ee5a563ae78e93.exe
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Size
36KB
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MD5
d267b74f271cc7ceb26ac53a40d78f48
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SHA1
8b42862716c3e1ebf10f493aeb539f072f51c008
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SHA256
090b87da1706238bf8bbe803c5e5e7ce9e69fccd338d72dce7ee5a563ae78e93
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SHA512
53bc41a110d9e578cb9a7599a13a87124f806efcb5fb964b14e8035876a815f1d543bd10411001be3e476da1cff78515339283328184847a9dd42eccf66a76e1
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 2288 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
090b87da1706238bf8bbe803c5e5e7ce9e69fccd338d72dce7ee5a563ae78e93.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 090b87da1706238bf8bbe803c5e5e7ce9e69fccd338d72dce7ee5a563ae78e93.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
090b87da1706238bf8bbe803c5e5e7ce9e69fccd338d72dce7ee5a563ae78e93.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 090b87da1706238bf8bbe803c5e5e7ce9e69fccd338d72dce7ee5a563ae78e93.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 (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.147693" 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\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\SwarmCount = "1" 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\MonthlyUploadRestriction = "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\DownloadMonthlyRateBkCnt = "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\PriorityDownloadCount = "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\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\DownloadMonthlyCdnBytes = "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\FrDownloadRatePct = "90" 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 = "0.201613" 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\CDNConnectionCount = "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\DownlinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4128" 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\Config\DODownloadMode = "1" 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\DownloadMonthlyGroupBytes = "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 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\KVFileExpirationTime = "132893098871382232" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.077220" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4324" 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\InternetConnectionCount = "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\DownloadMonthlyInternetBytes = "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\DownloadMonthlyRateFrBps = "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\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\UplinkUsageBps = "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\MemoryUsageKB = "4032" 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\Usage\BkDownloadRatePct = "45" 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 -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exedescription pid process Token: SeSecurityPrivilege 864 TiWorker.exe Token: SeRestorePrivilege 864 TiWorker.exe Token: SeBackupPrivilege 864 TiWorker.exe Token: SeBackupPrivilege 864 TiWorker.exe Token: SeRestorePrivilege 864 TiWorker.exe Token: SeSecurityPrivilege 864 TiWorker.exe Token: SeBackupPrivilege 864 TiWorker.exe Token: SeRestorePrivilege 864 TiWorker.exe Token: SeSecurityPrivilege 864 TiWorker.exe Token: SeBackupPrivilege 864 TiWorker.exe Token: SeRestorePrivilege 864 TiWorker.exe Token: SeSecurityPrivilege 864 TiWorker.exe Token: SeBackupPrivilege 864 TiWorker.exe Token: SeRestorePrivilege 864 TiWorker.exe Token: SeSecurityPrivilege 864 TiWorker.exe Token: SeBackupPrivilege 864 TiWorker.exe Token: SeRestorePrivilege 864 TiWorker.exe Token: SeSecurityPrivilege 864 TiWorker.exe Token: SeBackupPrivilege 864 TiWorker.exe Token: SeRestorePrivilege 864 TiWorker.exe Token: SeSecurityPrivilege 864 TiWorker.exe Token: SeBackupPrivilege 864 TiWorker.exe Token: SeRestorePrivilege 864 TiWorker.exe Token: SeSecurityPrivilege 864 TiWorker.exe Token: SeBackupPrivilege 864 TiWorker.exe Token: SeRestorePrivilege 864 TiWorker.exe Token: SeSecurityPrivilege 864 TiWorker.exe Token: SeBackupPrivilege 864 TiWorker.exe Token: SeRestorePrivilege 864 TiWorker.exe Token: SeSecurityPrivilege 864 TiWorker.exe Token: SeBackupPrivilege 864 TiWorker.exe Token: SeRestorePrivilege 864 TiWorker.exe Token: SeSecurityPrivilege 864 TiWorker.exe Token: SeBackupPrivilege 864 TiWorker.exe Token: SeRestorePrivilege 864 TiWorker.exe Token: SeSecurityPrivilege 864 TiWorker.exe Token: SeBackupPrivilege 864 TiWorker.exe Token: SeRestorePrivilege 864 TiWorker.exe Token: SeSecurityPrivilege 864 TiWorker.exe Token: SeBackupPrivilege 864 TiWorker.exe Token: SeRestorePrivilege 864 TiWorker.exe Token: SeSecurityPrivilege 864 TiWorker.exe Token: SeBackupPrivilege 864 TiWorker.exe Token: SeRestorePrivilege 864 TiWorker.exe Token: SeSecurityPrivilege 864 TiWorker.exe Token: SeBackupPrivilege 864 TiWorker.exe Token: SeRestorePrivilege 864 TiWorker.exe Token: SeSecurityPrivilege 864 TiWorker.exe Token: SeBackupPrivilege 864 TiWorker.exe Token: SeRestorePrivilege 864 TiWorker.exe Token: SeSecurityPrivilege 864 TiWorker.exe Token: SeBackupPrivilege 864 TiWorker.exe Token: SeRestorePrivilege 864 TiWorker.exe Token: SeSecurityPrivilege 864 TiWorker.exe Token: SeBackupPrivilege 864 TiWorker.exe Token: SeRestorePrivilege 864 TiWorker.exe Token: SeSecurityPrivilege 864 TiWorker.exe Token: SeBackupPrivilege 864 TiWorker.exe Token: SeRestorePrivilege 864 TiWorker.exe Token: SeSecurityPrivilege 864 TiWorker.exe Token: SeBackupPrivilege 864 TiWorker.exe Token: SeRestorePrivilege 864 TiWorker.exe Token: SeSecurityPrivilege 864 TiWorker.exe Token: SeBackupPrivilege 864 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
090b87da1706238bf8bbe803c5e5e7ce9e69fccd338d72dce7ee5a563ae78e93.execmd.exedescription pid process target process PID 4048 wrote to memory of 2288 4048 090b87da1706238bf8bbe803c5e5e7ce9e69fccd338d72dce7ee5a563ae78e93.exe MediaCenter.exe PID 4048 wrote to memory of 2288 4048 090b87da1706238bf8bbe803c5e5e7ce9e69fccd338d72dce7ee5a563ae78e93.exe MediaCenter.exe PID 4048 wrote to memory of 2288 4048 090b87da1706238bf8bbe803c5e5e7ce9e69fccd338d72dce7ee5a563ae78e93.exe MediaCenter.exe PID 4048 wrote to memory of 4092 4048 090b87da1706238bf8bbe803c5e5e7ce9e69fccd338d72dce7ee5a563ae78e93.exe cmd.exe PID 4048 wrote to memory of 4092 4048 090b87da1706238bf8bbe803c5e5e7ce9e69fccd338d72dce7ee5a563ae78e93.exe cmd.exe PID 4048 wrote to memory of 4092 4048 090b87da1706238bf8bbe803c5e5e7ce9e69fccd338d72dce7ee5a563ae78e93.exe cmd.exe PID 4092 wrote to memory of 2328 4092 cmd.exe PING.EXE PID 4092 wrote to memory of 2328 4092 cmd.exe PING.EXE PID 4092 wrote to memory of 2328 4092 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\090b87da1706238bf8bbe803c5e5e7ce9e69fccd338d72dce7ee5a563ae78e93.exe"C:\Users\Admin\AppData\Local\Temp\090b87da1706238bf8bbe803c5e5e7ce9e69fccd338d72dce7ee5a563ae78e93.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- 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:2288 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\090b87da1706238bf8bbe803c5e5e7ce9e69fccd338d72dce7ee5a563ae78e93.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:4092 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2328
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 01⤵
- Checks processor information in registry
PID:1996
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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:496
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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:864
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
0176b09754f90ad2edbc67d9102274ee
SHA1c4193b0d5496f629390625ab0917568f27500e9f
SHA256fcb690f4348cec2ec94200057bc9dc91083d7c76442ed6e907a32185eb8a0ec9
SHA51215b054d935600ee2136e38243359c4fc139b23dd19539b7a152a376956be4a36c636d64a5591d0124ff1a636a7b2dccf3ccc40d2220328c556e890dfee391ddf
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
0176b09754f90ad2edbc67d9102274ee
SHA1c4193b0d5496f629390625ab0917568f27500e9f
SHA256fcb690f4348cec2ec94200057bc9dc91083d7c76442ed6e907a32185eb8a0ec9
SHA51215b054d935600ee2136e38243359c4fc139b23dd19539b7a152a376956be4a36c636d64a5591d0124ff1a636a7b2dccf3ccc40d2220328c556e890dfee391ddf