Analysis
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max time kernel
152s -
max time network
174s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
12-02-2022 07:26
Static task
static1
Behavioral task
behavioral1
Sample
0d95e8f9b684be9c52ea187b754a28d7f3eb651d2590988a22b29177dff19b32.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0d95e8f9b684be9c52ea187b754a28d7f3eb651d2590988a22b29177dff19b32.exe
Resource
win10v2004-en-20220113
General
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Target
0d95e8f9b684be9c52ea187b754a28d7f3eb651d2590988a22b29177dff19b32.exe
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Size
60KB
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MD5
728e8d293a336d94011f1ac2a2ace865
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SHA1
0508ddcfa642c0ce44235bec7d1da876b272be5a
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SHA256
0d95e8f9b684be9c52ea187b754a28d7f3eb651d2590988a22b29177dff19b32
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SHA512
9a2a98c0250edf76c051f3a1e966bec7306af2fd39eca067933af3ed87e53c3dc5647430fbdba8b3f0d9ef7c2c9b2f6d001b1158ac5de4f4041614beef90b269
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 4196 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0d95e8f9b684be9c52ea187b754a28d7f3eb651d2590988a22b29177dff19b32.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation 0d95e8f9b684be9c52ea187b754a28d7f3eb651d2590988a22b29177dff19b32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0d95e8f9b684be9c52ea187b754a28d7f3eb651d2590988a22b29177dff19b32.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0d95e8f9b684be9c52ea187b754a28d7f3eb651d2590988a22b29177dff19b32.exe -
Drops file in Windows directory 8 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\WindowsUpdate.log svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.edb svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm svchost.exe File opened for modification C:\Windows\SoftwareDistribution\ReportingEvents.log svchost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
svchost.exe0d95e8f9b684be9c52ea187b754a28d7f3eb651d2590988a22b29177dff19b32.exeTiWorker.exedescription pid process Token: SeShutdownPrivilege 3472 svchost.exe Token: SeCreatePagefilePrivilege 3472 svchost.exe Token: SeShutdownPrivilege 3472 svchost.exe Token: SeCreatePagefilePrivilege 3472 svchost.exe Token: SeShutdownPrivilege 3472 svchost.exe Token: SeCreatePagefilePrivilege 3472 svchost.exe Token: SeIncBasePriorityPrivilege 4848 0d95e8f9b684be9c52ea187b754a28d7f3eb651d2590988a22b29177dff19b32.exe Token: SeSecurityPrivilege 2272 TiWorker.exe Token: SeRestorePrivilege 2272 TiWorker.exe Token: SeBackupPrivilege 2272 TiWorker.exe Token: SeBackupPrivilege 2272 TiWorker.exe Token: SeRestorePrivilege 2272 TiWorker.exe Token: SeSecurityPrivilege 2272 TiWorker.exe Token: SeBackupPrivilege 2272 TiWorker.exe Token: SeRestorePrivilege 2272 TiWorker.exe Token: SeSecurityPrivilege 2272 TiWorker.exe Token: SeBackupPrivilege 2272 TiWorker.exe Token: SeRestorePrivilege 2272 TiWorker.exe Token: SeSecurityPrivilege 2272 TiWorker.exe Token: SeBackupPrivilege 2272 TiWorker.exe Token: SeRestorePrivilege 2272 TiWorker.exe Token: SeSecurityPrivilege 2272 TiWorker.exe Token: SeBackupPrivilege 2272 TiWorker.exe Token: SeRestorePrivilege 2272 TiWorker.exe Token: SeSecurityPrivilege 2272 TiWorker.exe Token: SeBackupPrivilege 2272 TiWorker.exe Token: SeRestorePrivilege 2272 TiWorker.exe Token: SeSecurityPrivilege 2272 TiWorker.exe Token: SeBackupPrivilege 2272 TiWorker.exe Token: SeRestorePrivilege 2272 TiWorker.exe Token: SeSecurityPrivilege 2272 TiWorker.exe Token: SeBackupPrivilege 2272 TiWorker.exe Token: SeRestorePrivilege 2272 TiWorker.exe Token: SeSecurityPrivilege 2272 TiWorker.exe Token: SeBackupPrivilege 2272 TiWorker.exe Token: SeRestorePrivilege 2272 TiWorker.exe Token: SeSecurityPrivilege 2272 TiWorker.exe Token: SeBackupPrivilege 2272 TiWorker.exe Token: SeRestorePrivilege 2272 TiWorker.exe Token: SeSecurityPrivilege 2272 TiWorker.exe Token: SeBackupPrivilege 2272 TiWorker.exe Token: SeRestorePrivilege 2272 TiWorker.exe Token: SeSecurityPrivilege 2272 TiWorker.exe Token: SeBackupPrivilege 2272 TiWorker.exe Token: SeRestorePrivilege 2272 TiWorker.exe Token: SeSecurityPrivilege 2272 TiWorker.exe Token: SeBackupPrivilege 2272 TiWorker.exe Token: SeRestorePrivilege 2272 TiWorker.exe Token: SeSecurityPrivilege 2272 TiWorker.exe Token: SeBackupPrivilege 2272 TiWorker.exe Token: SeRestorePrivilege 2272 TiWorker.exe Token: SeSecurityPrivilege 2272 TiWorker.exe Token: SeBackupPrivilege 2272 TiWorker.exe Token: SeRestorePrivilege 2272 TiWorker.exe Token: SeSecurityPrivilege 2272 TiWorker.exe Token: SeBackupPrivilege 2272 TiWorker.exe Token: SeRestorePrivilege 2272 TiWorker.exe Token: SeSecurityPrivilege 2272 TiWorker.exe Token: SeBackupPrivilege 2272 TiWorker.exe Token: SeRestorePrivilege 2272 TiWorker.exe Token: SeSecurityPrivilege 2272 TiWorker.exe Token: SeBackupPrivilege 2272 TiWorker.exe Token: SeRestorePrivilege 2272 TiWorker.exe Token: SeSecurityPrivilege 2272 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0d95e8f9b684be9c52ea187b754a28d7f3eb651d2590988a22b29177dff19b32.execmd.exedescription pid process target process PID 4848 wrote to memory of 4196 4848 0d95e8f9b684be9c52ea187b754a28d7f3eb651d2590988a22b29177dff19b32.exe MediaCenter.exe PID 4848 wrote to memory of 4196 4848 0d95e8f9b684be9c52ea187b754a28d7f3eb651d2590988a22b29177dff19b32.exe MediaCenter.exe PID 4848 wrote to memory of 4196 4848 0d95e8f9b684be9c52ea187b754a28d7f3eb651d2590988a22b29177dff19b32.exe MediaCenter.exe PID 4848 wrote to memory of 4484 4848 0d95e8f9b684be9c52ea187b754a28d7f3eb651d2590988a22b29177dff19b32.exe cmd.exe PID 4848 wrote to memory of 4484 4848 0d95e8f9b684be9c52ea187b754a28d7f3eb651d2590988a22b29177dff19b32.exe cmd.exe PID 4848 wrote to memory of 4484 4848 0d95e8f9b684be9c52ea187b754a28d7f3eb651d2590988a22b29177dff19b32.exe cmd.exe PID 4484 wrote to memory of 2052 4484 cmd.exe PING.EXE PID 4484 wrote to memory of 2052 4484 cmd.exe PING.EXE PID 4484 wrote to memory of 2052 4484 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0d95e8f9b684be9c52ea187b754a28d7f3eb651d2590988a22b29177dff19b32.exe"C:\Users\Admin\AppData\Local\Temp\0d95e8f9b684be9c52ea187b754a28d7f3eb651d2590988a22b29177dff19b32.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4848 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:4196 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0d95e8f9b684be9c52ea187b754a28d7f3eb651d2590988a22b29177dff19b32.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:4484 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2052
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:3472
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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:2272
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
75285855aae9d4ee165d94a955d946d5
SHA1a859dd4e324a924dc399bacc4731a09f1f0a8947
SHA25624a6d17995b9ac3bca0a923680622d99b8d4891cbc93add2178b60e7596d6967
SHA512bee598d4fd675b8f8cdf768024406335d5b5320bc0e5ee50bcd4ab95cc2f26a3038d983df5b5eeb36d406e2b65f9f23a160913c0531bf6e4b4b8e7f64cfe8a25
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MD5
75285855aae9d4ee165d94a955d946d5
SHA1a859dd4e324a924dc399bacc4731a09f1f0a8947
SHA25624a6d17995b9ac3bca0a923680622d99b8d4891cbc93add2178b60e7596d6967
SHA512bee598d4fd675b8f8cdf768024406335d5b5320bc0e5ee50bcd4ab95cc2f26a3038d983df5b5eeb36d406e2b65f9f23a160913c0531bf6e4b4b8e7f64cfe8a25