Analysis
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max time kernel
142s -
max time network
169s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
12/02/2022, 06:38
Static task
static1
Behavioral task
behavioral1
Sample
0f66892c9fba1a28f2e95f7b9a01ae11cfe6615d98a97477a72ecdf45bb85899.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0f66892c9fba1a28f2e95f7b9a01ae11cfe6615d98a97477a72ecdf45bb85899.exe
Resource
win10v2004-en-20220113
General
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Target
0f66892c9fba1a28f2e95f7b9a01ae11cfe6615d98a97477a72ecdf45bb85899.exe
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Size
60KB
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MD5
5ec6231c7df4086e4711d19cb193230b
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SHA1
48743d92dcd5906c2cd79cdf879a79b7b4c53dd3
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SHA256
0f66892c9fba1a28f2e95f7b9a01ae11cfe6615d98a97477a72ecdf45bb85899
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SHA512
d4aa9a96f9177b58230a812b15350fb1da655920cc970b00bb973f16c43921708d9faa92a463fd4055336256e94b96b3ec57168a2ea83fef9ae743cb58256274
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1716 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation 0f66892c9fba1a28f2e95f7b9a01ae11cfe6615d98a97477a72ecdf45bb85899.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0f66892c9fba1a28f2e95f7b9a01ae11cfe6615d98a97477a72ecdf45bb85899.exe -
Drops file in Windows directory 8 IoCs
description ioc Process 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 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 -
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
pid Process 1908 PING.EXE -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 4460 svchost.exe Token: SeCreatePagefilePrivilege 4460 svchost.exe Token: SeShutdownPrivilege 4460 svchost.exe Token: SeCreatePagefilePrivilege 4460 svchost.exe Token: SeShutdownPrivilege 4460 svchost.exe Token: SeCreatePagefilePrivilege 4460 svchost.exe Token: SeIncBasePriorityPrivilege 1664 0f66892c9fba1a28f2e95f7b9a01ae11cfe6615d98a97477a72ecdf45bb85899.exe Token: SeSecurityPrivilege 1764 TiWorker.exe Token: SeRestorePrivilege 1764 TiWorker.exe Token: SeBackupPrivilege 1764 TiWorker.exe Token: SeBackupPrivilege 1764 TiWorker.exe Token: SeRestorePrivilege 1764 TiWorker.exe Token: SeSecurityPrivilege 1764 TiWorker.exe Token: SeBackupPrivilege 1764 TiWorker.exe Token: SeRestorePrivilege 1764 TiWorker.exe Token: SeSecurityPrivilege 1764 TiWorker.exe Token: SeBackupPrivilege 1764 TiWorker.exe Token: SeRestorePrivilege 1764 TiWorker.exe Token: SeSecurityPrivilege 1764 TiWorker.exe Token: SeBackupPrivilege 1764 TiWorker.exe Token: SeRestorePrivilege 1764 TiWorker.exe Token: SeSecurityPrivilege 1764 TiWorker.exe Token: SeBackupPrivilege 1764 TiWorker.exe Token: SeRestorePrivilege 1764 TiWorker.exe Token: SeSecurityPrivilege 1764 TiWorker.exe Token: SeBackupPrivilege 1764 TiWorker.exe Token: SeRestorePrivilege 1764 TiWorker.exe Token: SeSecurityPrivilege 1764 TiWorker.exe Token: SeBackupPrivilege 1764 TiWorker.exe Token: SeRestorePrivilege 1764 TiWorker.exe Token: SeSecurityPrivilege 1764 TiWorker.exe Token: SeBackupPrivilege 1764 TiWorker.exe Token: SeRestorePrivilege 1764 TiWorker.exe Token: SeSecurityPrivilege 1764 TiWorker.exe Token: SeBackupPrivilege 1764 TiWorker.exe Token: SeRestorePrivilege 1764 TiWorker.exe Token: SeSecurityPrivilege 1764 TiWorker.exe Token: SeBackupPrivilege 1764 TiWorker.exe Token: SeRestorePrivilege 1764 TiWorker.exe Token: SeSecurityPrivilege 1764 TiWorker.exe Token: SeBackupPrivilege 1764 TiWorker.exe Token: SeRestorePrivilege 1764 TiWorker.exe Token: SeSecurityPrivilege 1764 TiWorker.exe Token: SeBackupPrivilege 1764 TiWorker.exe Token: SeRestorePrivilege 1764 TiWorker.exe Token: SeSecurityPrivilege 1764 TiWorker.exe Token: SeBackupPrivilege 1764 TiWorker.exe Token: SeRestorePrivilege 1764 TiWorker.exe Token: SeSecurityPrivilege 1764 TiWorker.exe Token: SeBackupPrivilege 1764 TiWorker.exe Token: SeRestorePrivilege 1764 TiWorker.exe Token: SeSecurityPrivilege 1764 TiWorker.exe Token: SeBackupPrivilege 1764 TiWorker.exe Token: SeRestorePrivilege 1764 TiWorker.exe Token: SeSecurityPrivilege 1764 TiWorker.exe Token: SeBackupPrivilege 1764 TiWorker.exe Token: SeRestorePrivilege 1764 TiWorker.exe Token: SeSecurityPrivilege 1764 TiWorker.exe Token: SeBackupPrivilege 1764 TiWorker.exe Token: SeRestorePrivilege 1764 TiWorker.exe Token: SeSecurityPrivilege 1764 TiWorker.exe Token: SeBackupPrivilege 1764 TiWorker.exe Token: SeRestorePrivilege 1764 TiWorker.exe Token: SeSecurityPrivilege 1764 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1664 wrote to memory of 1716 1664 0f66892c9fba1a28f2e95f7b9a01ae11cfe6615d98a97477a72ecdf45bb85899.exe 82 PID 1664 wrote to memory of 1716 1664 0f66892c9fba1a28f2e95f7b9a01ae11cfe6615d98a97477a72ecdf45bb85899.exe 82 PID 1664 wrote to memory of 1716 1664 0f66892c9fba1a28f2e95f7b9a01ae11cfe6615d98a97477a72ecdf45bb85899.exe 82 PID 1664 wrote to memory of 4328 1664 0f66892c9fba1a28f2e95f7b9a01ae11cfe6615d98a97477a72ecdf45bb85899.exe 97 PID 1664 wrote to memory of 4328 1664 0f66892c9fba1a28f2e95f7b9a01ae11cfe6615d98a97477a72ecdf45bb85899.exe 97 PID 1664 wrote to memory of 4328 1664 0f66892c9fba1a28f2e95f7b9a01ae11cfe6615d98a97477a72ecdf45bb85899.exe 97 PID 4328 wrote to memory of 1908 4328 cmd.exe 99 PID 4328 wrote to memory of 1908 4328 cmd.exe 99 PID 4328 wrote to memory of 1908 4328 cmd.exe 99
Processes
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C:\Users\Admin\AppData\Local\Temp\0f66892c9fba1a28f2e95f7b9a01ae11cfe6615d98a97477a72ecdf45bb85899.exe"C:\Users\Admin\AppData\Local\Temp\0f66892c9fba1a28f2e95f7b9a01ae11cfe6615d98a97477a72ecdf45bb85899.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1664 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1716
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0f66892c9fba1a28f2e95f7b9a01ae11cfe6615d98a97477a72ecdf45bb85899.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:4328 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1908
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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:4460
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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:1764