Analysis
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max time kernel
166s -
max time network
187s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 11:38
Static task
static1
Behavioral task
behavioral1
Sample
03e0d5c67d14312fe925782b48e0f387d80e0bf8a389c6516307de0ba923dfc7.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
03e0d5c67d14312fe925782b48e0f387d80e0bf8a389c6516307de0ba923dfc7.exe
Resource
win10v2004-en-20220112
General
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Target
03e0d5c67d14312fe925782b48e0f387d80e0bf8a389c6516307de0ba923dfc7.exe
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Size
35KB
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MD5
f115551bdc1aba4a853f7d5670984b80
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SHA1
cfac089e1122ca7d929393c55d8c75f0839d26ea
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SHA256
03e0d5c67d14312fe925782b48e0f387d80e0bf8a389c6516307de0ba923dfc7
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SHA512
5ec930ac8320a152dd9b5d558341ae5abb527c1b999856402e033a358dc190c07f7a610028301a21c0aef15122f2e5a88b59936611d148a613b19807b087fbd5
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 3080 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
03e0d5c67d14312fe925782b48e0f387d80e0bf8a389c6516307de0ba923dfc7.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 03e0d5c67d14312fe925782b48e0f387d80e0bf8a389c6516307de0ba923dfc7.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
03e0d5c67d14312fe925782b48e0f387d80e0bf8a389c6516307de0ba923dfc7.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 03e0d5c67d14312fe925782b48e0f387d80e0bf8a389c6516307de0ba923dfc7.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 49 IoCs
Processes:
svchost.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "12.503741" 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\UplinkUsageBps = "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 = "4100" 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\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 (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\DownloadMode_BackCompat = "1" 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\SwarmCount = "1" 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\DownloadMonthlyRateFrBps = "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\InternetConnectionCount = "0" 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\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\DownloadMonthlyGroupBytes = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "10.529043" 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\Usage 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\GroupConnectionCount = "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\DownloadMonthlyRateBkBps = "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\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\PeerInfoCount = "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\UploadMonthlyLanBytes = "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\DownloadMonthlyLinkLocalBytes = "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\PriorityDownloadCount = "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 (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\UplinkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4320" 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\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\Usage\NormalDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893173455219876" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.642645" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
03e0d5c67d14312fe925782b48e0f387d80e0bf8a389c6516307de0ba923dfc7.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 1680 03e0d5c67d14312fe925782b48e0f387d80e0bf8a389c6516307de0ba923dfc7.exe Token: SeSecurityPrivilege 3952 TiWorker.exe Token: SeRestorePrivilege 3952 TiWorker.exe Token: SeBackupPrivilege 3952 TiWorker.exe Token: SeBackupPrivilege 3952 TiWorker.exe Token: SeRestorePrivilege 3952 TiWorker.exe Token: SeSecurityPrivilege 3952 TiWorker.exe Token: SeBackupPrivilege 3952 TiWorker.exe Token: SeRestorePrivilege 3952 TiWorker.exe Token: SeSecurityPrivilege 3952 TiWorker.exe Token: SeBackupPrivilege 3952 TiWorker.exe Token: SeRestorePrivilege 3952 TiWorker.exe Token: SeSecurityPrivilege 3952 TiWorker.exe Token: SeBackupPrivilege 3952 TiWorker.exe Token: SeRestorePrivilege 3952 TiWorker.exe Token: SeSecurityPrivilege 3952 TiWorker.exe Token: SeBackupPrivilege 3952 TiWorker.exe Token: SeRestorePrivilege 3952 TiWorker.exe Token: SeSecurityPrivilege 3952 TiWorker.exe Token: SeBackupPrivilege 3952 TiWorker.exe Token: SeRestorePrivilege 3952 TiWorker.exe Token: SeSecurityPrivilege 3952 TiWorker.exe Token: SeBackupPrivilege 3952 TiWorker.exe Token: SeRestorePrivilege 3952 TiWorker.exe Token: SeSecurityPrivilege 3952 TiWorker.exe Token: SeBackupPrivilege 3952 TiWorker.exe Token: SeRestorePrivilege 3952 TiWorker.exe Token: SeSecurityPrivilege 3952 TiWorker.exe Token: SeBackupPrivilege 3952 TiWorker.exe Token: SeRestorePrivilege 3952 TiWorker.exe Token: SeSecurityPrivilege 3952 TiWorker.exe Token: SeBackupPrivilege 3952 TiWorker.exe Token: SeRestorePrivilege 3952 TiWorker.exe Token: SeSecurityPrivilege 3952 TiWorker.exe Token: SeBackupPrivilege 3952 TiWorker.exe Token: SeRestorePrivilege 3952 TiWorker.exe Token: SeSecurityPrivilege 3952 TiWorker.exe Token: SeBackupPrivilege 3952 TiWorker.exe Token: SeRestorePrivilege 3952 TiWorker.exe Token: SeSecurityPrivilege 3952 TiWorker.exe Token: SeBackupPrivilege 3952 TiWorker.exe Token: SeRestorePrivilege 3952 TiWorker.exe Token: SeSecurityPrivilege 3952 TiWorker.exe Token: SeBackupPrivilege 3952 TiWorker.exe Token: SeRestorePrivilege 3952 TiWorker.exe Token: SeSecurityPrivilege 3952 TiWorker.exe Token: SeBackupPrivilege 3952 TiWorker.exe Token: SeRestorePrivilege 3952 TiWorker.exe Token: SeSecurityPrivilege 3952 TiWorker.exe Token: SeBackupPrivilege 3952 TiWorker.exe Token: SeRestorePrivilege 3952 TiWorker.exe Token: SeSecurityPrivilege 3952 TiWorker.exe Token: SeBackupPrivilege 3952 TiWorker.exe Token: SeRestorePrivilege 3952 TiWorker.exe Token: SeSecurityPrivilege 3952 TiWorker.exe Token: SeBackupPrivilege 3952 TiWorker.exe Token: SeRestorePrivilege 3952 TiWorker.exe Token: SeSecurityPrivilege 3952 TiWorker.exe Token: SeBackupPrivilege 3952 TiWorker.exe Token: SeRestorePrivilege 3952 TiWorker.exe Token: SeSecurityPrivilege 3952 TiWorker.exe Token: SeBackupPrivilege 3952 TiWorker.exe Token: SeRestorePrivilege 3952 TiWorker.exe Token: SeSecurityPrivilege 3952 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
03e0d5c67d14312fe925782b48e0f387d80e0bf8a389c6516307de0ba923dfc7.execmd.exedescription pid process target process PID 1680 wrote to memory of 3080 1680 03e0d5c67d14312fe925782b48e0f387d80e0bf8a389c6516307de0ba923dfc7.exe MediaCenter.exe PID 1680 wrote to memory of 3080 1680 03e0d5c67d14312fe925782b48e0f387d80e0bf8a389c6516307de0ba923dfc7.exe MediaCenter.exe PID 1680 wrote to memory of 3080 1680 03e0d5c67d14312fe925782b48e0f387d80e0bf8a389c6516307de0ba923dfc7.exe MediaCenter.exe PID 1680 wrote to memory of 3224 1680 03e0d5c67d14312fe925782b48e0f387d80e0bf8a389c6516307de0ba923dfc7.exe cmd.exe PID 1680 wrote to memory of 3224 1680 03e0d5c67d14312fe925782b48e0f387d80e0bf8a389c6516307de0ba923dfc7.exe cmd.exe PID 1680 wrote to memory of 3224 1680 03e0d5c67d14312fe925782b48e0f387d80e0bf8a389c6516307de0ba923dfc7.exe cmd.exe PID 3224 wrote to memory of 2228 3224 cmd.exe PING.EXE PID 3224 wrote to memory of 2228 3224 cmd.exe PING.EXE PID 3224 wrote to memory of 2228 3224 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\03e0d5c67d14312fe925782b48e0f387d80e0bf8a389c6516307de0ba923dfc7.exe"C:\Users\Admin\AppData\Local\Temp\03e0d5c67d14312fe925782b48e0f387d80e0bf8a389c6516307de0ba923dfc7.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1680 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3080 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\03e0d5c67d14312fe925782b48e0f387d80e0bf8a389c6516307de0ba923dfc7.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3224 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2228
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3340
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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:4068
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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:3952
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
b534156fbda2ac19a2f9f229aab27d0e
SHA1e81e1599a6ca08e1aa0f606bc1037b3731be0d1e
SHA2561e33e07c7fb76358cd687c8767bfd3b0fd46981b300beb85f3183568ef61a349
SHA512399d3420be58e538794f2fdc74ce1c254715cfc9ee506ec9c373716fbe7e1a7a0b8d0d4018c96fecfd341f5197e3490adf92513cc05a61bf364e903e2b496a95
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
b534156fbda2ac19a2f9f229aab27d0e
SHA1e81e1599a6ca08e1aa0f606bc1037b3731be0d1e
SHA2561e33e07c7fb76358cd687c8767bfd3b0fd46981b300beb85f3183568ef61a349
SHA512399d3420be58e538794f2fdc74ce1c254715cfc9ee506ec9c373716fbe7e1a7a0b8d0d4018c96fecfd341f5197e3490adf92513cc05a61bf364e903e2b496a95