Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
12/02/2022, 06:57
Static task
static1
Behavioral task
behavioral1
Sample
0eeff58b59717ee3a8450d46dda3b69f883e5c390aded513124910924afb892f.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0eeff58b59717ee3a8450d46dda3b69f883e5c390aded513124910924afb892f.exe
Resource
win10v2004-en-20220113
General
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Target
0eeff58b59717ee3a8450d46dda3b69f883e5c390aded513124910924afb892f.exe
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Size
58KB
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MD5
6dec303410b23750c6fb9e6d24462409
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SHA1
1a93461911e13ceaee7f21896cda68f135efb3c9
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SHA256
0eeff58b59717ee3a8450d46dda3b69f883e5c390aded513124910924afb892f
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SHA512
75e64f885db9739d394d06501a7353255192e6b3b63dc4b0b09a164e8bd51c7b9961797488f57f9d10c048f635fa1ce1135c4f2d70795a8edf7712ec85822646
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1608 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 0eeff58b59717ee3a8450d46dda3b69f883e5c390aded513124910924afb892f.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" 0eeff58b59717ee3a8450d46dda3b69f883e5c390aded513124910924afb892f.exe -
Drops file in Windows directory 8 IoCs
description ioc Process 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 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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Runs ping.exe 1 TTPs 1 IoCs
pid Process 4824 PING.EXE -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 216 svchost.exe Token: SeCreatePagefilePrivilege 216 svchost.exe Token: SeShutdownPrivilege 216 svchost.exe Token: SeCreatePagefilePrivilege 216 svchost.exe Token: SeShutdownPrivilege 216 svchost.exe Token: SeCreatePagefilePrivilege 216 svchost.exe Token: SeSecurityPrivilege 752 TiWorker.exe Token: SeRestorePrivilege 752 TiWorker.exe Token: SeBackupPrivilege 752 TiWorker.exe Token: SeBackupPrivilege 752 TiWorker.exe Token: SeRestorePrivilege 752 TiWorker.exe Token: SeSecurityPrivilege 752 TiWorker.exe Token: SeBackupPrivilege 752 TiWorker.exe Token: SeRestorePrivilege 752 TiWorker.exe Token: SeSecurityPrivilege 752 TiWorker.exe Token: SeBackupPrivilege 752 TiWorker.exe Token: SeRestorePrivilege 752 TiWorker.exe Token: SeSecurityPrivilege 752 TiWorker.exe Token: SeBackupPrivilege 752 TiWorker.exe Token: SeRestorePrivilege 752 TiWorker.exe Token: SeSecurityPrivilege 752 TiWorker.exe Token: SeBackupPrivilege 752 TiWorker.exe Token: SeRestorePrivilege 752 TiWorker.exe Token: SeSecurityPrivilege 752 TiWorker.exe Token: SeBackupPrivilege 752 TiWorker.exe Token: SeRestorePrivilege 752 TiWorker.exe Token: SeSecurityPrivilege 752 TiWorker.exe Token: SeBackupPrivilege 752 TiWorker.exe Token: SeRestorePrivilege 752 TiWorker.exe Token: SeSecurityPrivilege 752 TiWorker.exe Token: SeBackupPrivilege 752 TiWorker.exe Token: SeRestorePrivilege 752 TiWorker.exe Token: SeSecurityPrivilege 752 TiWorker.exe Token: SeBackupPrivilege 752 TiWorker.exe Token: SeRestorePrivilege 752 TiWorker.exe Token: SeSecurityPrivilege 752 TiWorker.exe Token: SeBackupPrivilege 752 TiWorker.exe Token: SeRestorePrivilege 752 TiWorker.exe Token: SeSecurityPrivilege 752 TiWorker.exe Token: SeBackupPrivilege 752 TiWorker.exe Token: SeRestorePrivilege 752 TiWorker.exe Token: SeSecurityPrivilege 752 TiWorker.exe Token: SeBackupPrivilege 752 TiWorker.exe Token: SeRestorePrivilege 752 TiWorker.exe Token: SeSecurityPrivilege 752 TiWorker.exe Token: SeBackupPrivilege 752 TiWorker.exe Token: SeRestorePrivilege 752 TiWorker.exe Token: SeSecurityPrivilege 752 TiWorker.exe Token: SeBackupPrivilege 752 TiWorker.exe Token: SeRestorePrivilege 752 TiWorker.exe Token: SeSecurityPrivilege 752 TiWorker.exe Token: SeBackupPrivilege 752 TiWorker.exe Token: SeRestorePrivilege 752 TiWorker.exe Token: SeSecurityPrivilege 752 TiWorker.exe Token: SeBackupPrivilege 752 TiWorker.exe Token: SeRestorePrivilege 752 TiWorker.exe Token: SeSecurityPrivilege 752 TiWorker.exe Token: SeBackupPrivilege 752 TiWorker.exe Token: SeRestorePrivilege 752 TiWorker.exe Token: SeSecurityPrivilege 752 TiWorker.exe Token: SeBackupPrivilege 752 TiWorker.exe Token: SeRestorePrivilege 752 TiWorker.exe Token: SeSecurityPrivilege 752 TiWorker.exe Token: SeBackupPrivilege 752 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4544 wrote to memory of 1608 4544 0eeff58b59717ee3a8450d46dda3b69f883e5c390aded513124910924afb892f.exe 82 PID 4544 wrote to memory of 1608 4544 0eeff58b59717ee3a8450d46dda3b69f883e5c390aded513124910924afb892f.exe 82 PID 4544 wrote to memory of 1608 4544 0eeff58b59717ee3a8450d46dda3b69f883e5c390aded513124910924afb892f.exe 82 PID 4544 wrote to memory of 2280 4544 0eeff58b59717ee3a8450d46dda3b69f883e5c390aded513124910924afb892f.exe 100 PID 4544 wrote to memory of 2280 4544 0eeff58b59717ee3a8450d46dda3b69f883e5c390aded513124910924afb892f.exe 100 PID 4544 wrote to memory of 2280 4544 0eeff58b59717ee3a8450d46dda3b69f883e5c390aded513124910924afb892f.exe 100 PID 2280 wrote to memory of 4824 2280 cmd.exe 102 PID 2280 wrote to memory of 4824 2280 cmd.exe 102 PID 2280 wrote to memory of 4824 2280 cmd.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\0eeff58b59717ee3a8450d46dda3b69f883e5c390aded513124910924afb892f.exe"C:\Users\Admin\AppData\Local\Temp\0eeff58b59717ee3a8450d46dda3b69f883e5c390aded513124910924afb892f.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4544 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1608
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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\0eeff58b59717ee3a8450d46dda3b69f883e5c390aded513124910924afb892f.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2280 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:4824
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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:216
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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:752