Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 06:56
Static task
static1
Behavioral task
behavioral1
Sample
0ef4c20e6ae3d47f1d35ad9d838424adc9f0f511eb17f2c3ac83d4c78fab1d73.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0ef4c20e6ae3d47f1d35ad9d838424adc9f0f511eb17f2c3ac83d4c78fab1d73.exe
Resource
win10v2004-en-20220112
General
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Target
0ef4c20e6ae3d47f1d35ad9d838424adc9f0f511eb17f2c3ac83d4c78fab1d73.exe
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Size
192KB
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MD5
9fbdb71f4b9fad8106464be8399ab9e2
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SHA1
2279127adf3380b7063035f92938ed03ebd43760
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SHA256
0ef4c20e6ae3d47f1d35ad9d838424adc9f0f511eb17f2c3ac83d4c78fab1d73
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SHA512
bd0b2f88564cd3447ba83642e6a636b405c81d9e05a137e78557fccca8d567f5ffb7769699c0efa23e931e926f9e619888f98c38b7a22dd633941d7fa8d9fe3f
Malware Config
Signatures
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Sakula Payload 2 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe family_sakula C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe family_sakula -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 1928 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0ef4c20e6ae3d47f1d35ad9d838424adc9f0f511eb17f2c3ac83d4c78fab1d73.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0ef4c20e6ae3d47f1d35ad9d838424adc9f0f511eb17f2c3ac83d4c78fab1d73.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0ef4c20e6ae3d47f1d35ad9d838424adc9f0f511eb17f2c3ac83d4c78fab1d73.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0ef4c20e6ae3d47f1d35ad9d838424adc9f0f511eb17f2c3ac83d4c78fab1d73.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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz MusNotifyIcon.exe Key opened \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 MusNotifyIcon.exe -
Modifies data under HKEY_USERS 56 IoCs
Processes:
svchost.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4012" 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\MemoryUsageKB = "4088" 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\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\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 (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\MonthID = "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\DownloadMonthlyRateBkCnt = "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\NormalDownloadPendingCount = "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\MonthID = "2" 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\InternetConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4304" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "1157726" 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\Config\DownloadMode_BackCompat = "1" 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\NormalDownloadCount = "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\PriorityDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892990326506610" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "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\DownloadMonthlyInternetBytes = "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 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\UploadCount = "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\UplinkUsageBps = "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\DownlinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.006547" 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\LANConnectionCount = "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\DownloadMonthlyCdnBytes = "90228624" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "4" 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\UplinkBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.575690" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "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\DownloadMonthlyRateFrBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4300" 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\CDNConnectionCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "9.375593" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe0ef4c20e6ae3d47f1d35ad9d838424adc9f0f511eb17f2c3ac83d4c78fab1d73.exedescription pid process Token: SeSecurityPrivilege 1676 TiWorker.exe Token: SeRestorePrivilege 1676 TiWorker.exe Token: SeBackupPrivilege 1676 TiWorker.exe Token: SeBackupPrivilege 1676 TiWorker.exe Token: SeRestorePrivilege 1676 TiWorker.exe Token: SeSecurityPrivilege 1676 TiWorker.exe Token: SeBackupPrivilege 1676 TiWorker.exe Token: SeRestorePrivilege 1676 TiWorker.exe Token: SeSecurityPrivilege 1676 TiWorker.exe Token: SeBackupPrivilege 1676 TiWorker.exe Token: SeRestorePrivilege 1676 TiWorker.exe Token: SeSecurityPrivilege 1676 TiWorker.exe Token: SeBackupPrivilege 1676 TiWorker.exe Token: SeRestorePrivilege 1676 TiWorker.exe Token: SeSecurityPrivilege 1676 TiWorker.exe Token: SeBackupPrivilege 1676 TiWorker.exe Token: SeRestorePrivilege 1676 TiWorker.exe Token: SeSecurityPrivilege 1676 TiWorker.exe Token: SeBackupPrivilege 1676 TiWorker.exe Token: SeRestorePrivilege 1676 TiWorker.exe Token: SeSecurityPrivilege 1676 TiWorker.exe Token: SeIncBasePriorityPrivilege 4088 0ef4c20e6ae3d47f1d35ad9d838424adc9f0f511eb17f2c3ac83d4c78fab1d73.exe Token: SeBackupPrivilege 1676 TiWorker.exe Token: SeRestorePrivilege 1676 TiWorker.exe Token: SeSecurityPrivilege 1676 TiWorker.exe Token: SeBackupPrivilege 1676 TiWorker.exe Token: SeRestorePrivilege 1676 TiWorker.exe Token: SeSecurityPrivilege 1676 TiWorker.exe Token: SeBackupPrivilege 1676 TiWorker.exe Token: SeRestorePrivilege 1676 TiWorker.exe Token: SeSecurityPrivilege 1676 TiWorker.exe Token: SeBackupPrivilege 1676 TiWorker.exe Token: SeRestorePrivilege 1676 TiWorker.exe Token: SeSecurityPrivilege 1676 TiWorker.exe Token: SeBackupPrivilege 1676 TiWorker.exe Token: SeRestorePrivilege 1676 TiWorker.exe Token: SeSecurityPrivilege 1676 TiWorker.exe Token: SeBackupPrivilege 1676 TiWorker.exe Token: SeRestorePrivilege 1676 TiWorker.exe Token: SeSecurityPrivilege 1676 TiWorker.exe Token: SeBackupPrivilege 1676 TiWorker.exe Token: SeRestorePrivilege 1676 TiWorker.exe Token: SeSecurityPrivilege 1676 TiWorker.exe Token: SeBackupPrivilege 1676 TiWorker.exe Token: SeRestorePrivilege 1676 TiWorker.exe Token: SeSecurityPrivilege 1676 TiWorker.exe Token: SeBackupPrivilege 1676 TiWorker.exe Token: SeRestorePrivilege 1676 TiWorker.exe Token: SeSecurityPrivilege 1676 TiWorker.exe Token: SeBackupPrivilege 1676 TiWorker.exe Token: SeRestorePrivilege 1676 TiWorker.exe Token: SeSecurityPrivilege 1676 TiWorker.exe Token: SeBackupPrivilege 1676 TiWorker.exe Token: SeRestorePrivilege 1676 TiWorker.exe Token: SeSecurityPrivilege 1676 TiWorker.exe Token: SeBackupPrivilege 1676 TiWorker.exe Token: SeRestorePrivilege 1676 TiWorker.exe Token: SeSecurityPrivilege 1676 TiWorker.exe Token: SeBackupPrivilege 1676 TiWorker.exe Token: SeRestorePrivilege 1676 TiWorker.exe Token: SeSecurityPrivilege 1676 TiWorker.exe Token: SeBackupPrivilege 1676 TiWorker.exe Token: SeRestorePrivilege 1676 TiWorker.exe Token: SeSecurityPrivilege 1676 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0ef4c20e6ae3d47f1d35ad9d838424adc9f0f511eb17f2c3ac83d4c78fab1d73.execmd.exedescription pid process target process PID 4088 wrote to memory of 1928 4088 0ef4c20e6ae3d47f1d35ad9d838424adc9f0f511eb17f2c3ac83d4c78fab1d73.exe MediaCenter.exe PID 4088 wrote to memory of 1928 4088 0ef4c20e6ae3d47f1d35ad9d838424adc9f0f511eb17f2c3ac83d4c78fab1d73.exe MediaCenter.exe PID 4088 wrote to memory of 1928 4088 0ef4c20e6ae3d47f1d35ad9d838424adc9f0f511eb17f2c3ac83d4c78fab1d73.exe MediaCenter.exe PID 4088 wrote to memory of 4052 4088 0ef4c20e6ae3d47f1d35ad9d838424adc9f0f511eb17f2c3ac83d4c78fab1d73.exe cmd.exe PID 4088 wrote to memory of 4052 4088 0ef4c20e6ae3d47f1d35ad9d838424adc9f0f511eb17f2c3ac83d4c78fab1d73.exe cmd.exe PID 4088 wrote to memory of 4052 4088 0ef4c20e6ae3d47f1d35ad9d838424adc9f0f511eb17f2c3ac83d4c78fab1d73.exe cmd.exe PID 4052 wrote to memory of 3196 4052 cmd.exe PING.EXE PID 4052 wrote to memory of 3196 4052 cmd.exe PING.EXE PID 4052 wrote to memory of 3196 4052 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0ef4c20e6ae3d47f1d35ad9d838424adc9f0f511eb17f2c3ac83d4c78fab1d73.exe"C:\Users\Admin\AppData\Local\Temp\0ef4c20e6ae3d47f1d35ad9d838424adc9f0f511eb17f2c3ac83d4c78fab1d73.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4088 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1928 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0ef4c20e6ae3d47f1d35ad9d838424adc9f0f511eb17f2c3ac83d4c78fab1d73.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:4052 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3196
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:4076
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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:3360
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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:1676
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
410945bff8418c427ed12f774cc128c6
SHA1863f9aab1a71db84b21613f15a51a6fc16774f92
SHA2564771927fd0b2649108f7d4ea56b6439c5ddbd5cf8beaf0acc8cefb10911f1716
SHA512cd8e4171c0714212282cb18ced8a3a60e59f5c3d75acdb99eaa0f181695567950587fabbbaf602636bc75cdd854f13c2cea911de289f0ae8d1f57c0f84ba1d78
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MD5
410945bff8418c427ed12f774cc128c6
SHA1863f9aab1a71db84b21613f15a51a6fc16774f92
SHA2564771927fd0b2649108f7d4ea56b6439c5ddbd5cf8beaf0acc8cefb10911f1716
SHA512cd8e4171c0714212282cb18ced8a3a60e59f5c3d75acdb99eaa0f181695567950587fabbbaf602636bc75cdd854f13c2cea911de289f0ae8d1f57c0f84ba1d78