Analysis
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max time kernel
168s -
max time network
181s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 12:08
Static task
static1
Behavioral task
behavioral1
Sample
0270345879fb308a2ede27d2789a7e38081527c2ef13688d8c95c1d14742231a.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0270345879fb308a2ede27d2789a7e38081527c2ef13688d8c95c1d14742231a.exe
Resource
win10v2004-en-20220112
General
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Target
0270345879fb308a2ede27d2789a7e38081527c2ef13688d8c95c1d14742231a.exe
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Size
60KB
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MD5
c1d79885377e656a54014f182de5dcd9
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SHA1
445c9f23ed3584be643a8d42c745f75de5bffcb3
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SHA256
0270345879fb308a2ede27d2789a7e38081527c2ef13688d8c95c1d14742231a
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SHA512
a8904cb663b10009cc2417bb92a8bf8d2885add8b4d5ba97ecd6602473f4d1ec21f342f83504206e01a55d7202699e4b3a07168b9e7a1273953b516624585710
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 2668 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0270345879fb308a2ede27d2789a7e38081527c2ef13688d8c95c1d14742231a.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0270345879fb308a2ede27d2789a7e38081527c2ef13688d8c95c1d14742231a.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0270345879fb308a2ede27d2789a7e38081527c2ef13688d8c95c1d14742231a.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0270345879fb308a2ede27d2789a7e38081527c2ef13688d8c95c1d14742231a.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\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat svchost.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 48 IoCs
Processes:
svchost.exedescription ioc process 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\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 (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\InternetConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "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\UplinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4080" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0" 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\UploadMonthlyLanBytes = "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\LANConnectionCount = "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\UploadRatePct = "100" 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\Config\DODownloadMode = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4188" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893187843193440" 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\UploadCount = "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\Config\DownloadMode_BackCompat = "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\DownloadMonthlyRateFrBps = "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\SwarmCount = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.179212" 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\SwarmCount = "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\MonthID = "2" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "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\Usage\LinkLocalConnectionCount = "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\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\CacheSizeBytes = "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\PriorityDownloadPendingCount = "0" 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\Usage\DownloadMonthlyLinkLocalBytes = "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\CDNConnectionCount = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
0270345879fb308a2ede27d2789a7e38081527c2ef13688d8c95c1d14742231a.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 2948 0270345879fb308a2ede27d2789a7e38081527c2ef13688d8c95c1d14742231a.exe Token: SeSecurityPrivilege 2172 TiWorker.exe Token: SeRestorePrivilege 2172 TiWorker.exe Token: SeBackupPrivilege 2172 TiWorker.exe Token: SeBackupPrivilege 2172 TiWorker.exe Token: SeRestorePrivilege 2172 TiWorker.exe Token: SeSecurityPrivilege 2172 TiWorker.exe Token: SeBackupPrivilege 2172 TiWorker.exe Token: SeRestorePrivilege 2172 TiWorker.exe Token: SeSecurityPrivilege 2172 TiWorker.exe Token: SeBackupPrivilege 2172 TiWorker.exe Token: SeRestorePrivilege 2172 TiWorker.exe Token: SeSecurityPrivilege 2172 TiWorker.exe Token: SeBackupPrivilege 2172 TiWorker.exe Token: SeRestorePrivilege 2172 TiWorker.exe Token: SeSecurityPrivilege 2172 TiWorker.exe Token: SeBackupPrivilege 2172 TiWorker.exe Token: SeRestorePrivilege 2172 TiWorker.exe Token: SeSecurityPrivilege 2172 TiWorker.exe Token: SeBackupPrivilege 2172 TiWorker.exe Token: SeRestorePrivilege 2172 TiWorker.exe Token: SeSecurityPrivilege 2172 TiWorker.exe Token: SeBackupPrivilege 2172 TiWorker.exe Token: SeRestorePrivilege 2172 TiWorker.exe Token: SeSecurityPrivilege 2172 TiWorker.exe Token: SeBackupPrivilege 2172 TiWorker.exe Token: SeRestorePrivilege 2172 TiWorker.exe Token: SeSecurityPrivilege 2172 TiWorker.exe Token: SeBackupPrivilege 2172 TiWorker.exe Token: SeRestorePrivilege 2172 TiWorker.exe Token: SeSecurityPrivilege 2172 TiWorker.exe Token: SeBackupPrivilege 2172 TiWorker.exe Token: SeRestorePrivilege 2172 TiWorker.exe Token: SeSecurityPrivilege 2172 TiWorker.exe Token: SeBackupPrivilege 2172 TiWorker.exe Token: SeRestorePrivilege 2172 TiWorker.exe Token: SeSecurityPrivilege 2172 TiWorker.exe Token: SeBackupPrivilege 2172 TiWorker.exe Token: SeRestorePrivilege 2172 TiWorker.exe Token: SeSecurityPrivilege 2172 TiWorker.exe Token: SeBackupPrivilege 2172 TiWorker.exe Token: SeRestorePrivilege 2172 TiWorker.exe Token: SeSecurityPrivilege 2172 TiWorker.exe Token: SeBackupPrivilege 2172 TiWorker.exe Token: SeRestorePrivilege 2172 TiWorker.exe Token: SeSecurityPrivilege 2172 TiWorker.exe Token: SeBackupPrivilege 2172 TiWorker.exe Token: SeRestorePrivilege 2172 TiWorker.exe Token: SeSecurityPrivilege 2172 TiWorker.exe Token: SeBackupPrivilege 2172 TiWorker.exe Token: SeRestorePrivilege 2172 TiWorker.exe Token: SeSecurityPrivilege 2172 TiWorker.exe Token: SeBackupPrivilege 2172 TiWorker.exe Token: SeRestorePrivilege 2172 TiWorker.exe Token: SeSecurityPrivilege 2172 TiWorker.exe Token: SeBackupPrivilege 2172 TiWorker.exe Token: SeRestorePrivilege 2172 TiWorker.exe Token: SeSecurityPrivilege 2172 TiWorker.exe Token: SeBackupPrivilege 2172 TiWorker.exe Token: SeRestorePrivilege 2172 TiWorker.exe Token: SeSecurityPrivilege 2172 TiWorker.exe Token: SeBackupPrivilege 2172 TiWorker.exe Token: SeRestorePrivilege 2172 TiWorker.exe Token: SeSecurityPrivilege 2172 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0270345879fb308a2ede27d2789a7e38081527c2ef13688d8c95c1d14742231a.execmd.exedescription pid process target process PID 2948 wrote to memory of 2668 2948 0270345879fb308a2ede27d2789a7e38081527c2ef13688d8c95c1d14742231a.exe MediaCenter.exe PID 2948 wrote to memory of 2668 2948 0270345879fb308a2ede27d2789a7e38081527c2ef13688d8c95c1d14742231a.exe MediaCenter.exe PID 2948 wrote to memory of 2668 2948 0270345879fb308a2ede27d2789a7e38081527c2ef13688d8c95c1d14742231a.exe MediaCenter.exe PID 2948 wrote to memory of 32 2948 0270345879fb308a2ede27d2789a7e38081527c2ef13688d8c95c1d14742231a.exe cmd.exe PID 2948 wrote to memory of 32 2948 0270345879fb308a2ede27d2789a7e38081527c2ef13688d8c95c1d14742231a.exe cmd.exe PID 2948 wrote to memory of 32 2948 0270345879fb308a2ede27d2789a7e38081527c2ef13688d8c95c1d14742231a.exe cmd.exe PID 32 wrote to memory of 3988 32 cmd.exe PING.EXE PID 32 wrote to memory of 3988 32 cmd.exe PING.EXE PID 32 wrote to memory of 3988 32 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0270345879fb308a2ede27d2789a7e38081527c2ef13688d8c95c1d14742231a.exe"C:\Users\Admin\AppData\Local\Temp\0270345879fb308a2ede27d2789a7e38081527c2ef13688d8c95c1d14742231a.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2948 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2668 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0270345879fb308a2ede27d2789a7e38081527c2ef13688d8c95c1d14742231a.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:32 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3988
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 01⤵
- Checks processor information in registry
PID:3828
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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:904
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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:2172
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
f76651079032b6618b9cd1aeb216ae35
SHA17007fc8d46d69c0f27973d3d4309140840028982
SHA256739c2c58f898406b5ab3fe28f1ff5f036161ac192739224a7147d4c5528d37ef
SHA512013822536a809114ba649083b0a8559710663f2595b1c2d3e64f233666f7d3875ee5ce70db49f19630cef58d7e6b1f57bdabec6ed607b4448ed1ea4a7ca29cc8
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
f76651079032b6618b9cd1aeb216ae35
SHA17007fc8d46d69c0f27973d3d4309140840028982
SHA256739c2c58f898406b5ab3fe28f1ff5f036161ac192739224a7147d4c5528d37ef
SHA512013822536a809114ba649083b0a8559710663f2595b1c2d3e64f233666f7d3875ee5ce70db49f19630cef58d7e6b1f57bdabec6ed607b4448ed1ea4a7ca29cc8