Analysis
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max time kernel
137s -
max time network
171s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
12-02-2022 12:21
Static task
static1
Behavioral task
behavioral1
Sample
01cf6fbeeebc9df340bff6e41b69062567eb901a907ab9fe8e7560e82e4e871d.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
01cf6fbeeebc9df340bff6e41b69062567eb901a907ab9fe8e7560e82e4e871d.exe
Resource
win10v2004-en-20220113
General
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Target
01cf6fbeeebc9df340bff6e41b69062567eb901a907ab9fe8e7560e82e4e871d.exe
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Size
58KB
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MD5
5c255dcbcaa33705dfb8101c16997b40
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SHA1
2aeb1c46a12a39dea4e1df6577b3be879c715f1f
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SHA256
01cf6fbeeebc9df340bff6e41b69062567eb901a907ab9fe8e7560e82e4e871d
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SHA512
4eaa6d5004a7b079d05ce3421d3425635d0cc3a3a21aceba8dde61d85a3e77e8f2377f2a4fac5d185946a94b84f44b0c4203f2a96e9466dfce17385fdc14bc4a
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 5068 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 01cf6fbeeebc9df340bff6e41b69062567eb901a907ab9fe8e7560e82e4e871d.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" 01cf6fbeeebc9df340bff6e41b69062567eb901a907ab9fe8e7560e82e4e871d.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 3984 PING.EXE -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 224 svchost.exe Token: SeCreatePagefilePrivilege 224 svchost.exe Token: SeShutdownPrivilege 224 svchost.exe Token: SeCreatePagefilePrivilege 224 svchost.exe Token: SeShutdownPrivilege 224 svchost.exe Token: SeCreatePagefilePrivilege 224 svchost.exe Token: SeIncBasePriorityPrivilege 3268 01cf6fbeeebc9df340bff6e41b69062567eb901a907ab9fe8e7560e82e4e871d.exe Token: SeSecurityPrivilege 2028 TiWorker.exe Token: SeRestorePrivilege 2028 TiWorker.exe Token: SeBackupPrivilege 2028 TiWorker.exe Token: SeBackupPrivilege 2028 TiWorker.exe Token: SeRestorePrivilege 2028 TiWorker.exe Token: SeSecurityPrivilege 2028 TiWorker.exe Token: SeBackupPrivilege 2028 TiWorker.exe Token: SeRestorePrivilege 2028 TiWorker.exe Token: SeSecurityPrivilege 2028 TiWorker.exe Token: SeBackupPrivilege 2028 TiWorker.exe Token: SeRestorePrivilege 2028 TiWorker.exe Token: SeSecurityPrivilege 2028 TiWorker.exe Token: SeBackupPrivilege 2028 TiWorker.exe Token: SeRestorePrivilege 2028 TiWorker.exe Token: SeSecurityPrivilege 2028 TiWorker.exe Token: SeBackupPrivilege 2028 TiWorker.exe Token: SeRestorePrivilege 2028 TiWorker.exe Token: SeSecurityPrivilege 2028 TiWorker.exe Token: SeBackupPrivilege 2028 TiWorker.exe Token: SeRestorePrivilege 2028 TiWorker.exe Token: SeSecurityPrivilege 2028 TiWorker.exe Token: SeBackupPrivilege 2028 TiWorker.exe Token: SeRestorePrivilege 2028 TiWorker.exe Token: SeSecurityPrivilege 2028 TiWorker.exe Token: SeBackupPrivilege 2028 TiWorker.exe Token: SeRestorePrivilege 2028 TiWorker.exe Token: SeSecurityPrivilege 2028 TiWorker.exe Token: SeBackupPrivilege 2028 TiWorker.exe Token: SeRestorePrivilege 2028 TiWorker.exe Token: SeSecurityPrivilege 2028 TiWorker.exe Token: SeBackupPrivilege 2028 TiWorker.exe Token: SeRestorePrivilege 2028 TiWorker.exe Token: SeSecurityPrivilege 2028 TiWorker.exe Token: SeBackupPrivilege 2028 TiWorker.exe Token: SeRestorePrivilege 2028 TiWorker.exe Token: SeSecurityPrivilege 2028 TiWorker.exe Token: SeBackupPrivilege 2028 TiWorker.exe Token: SeRestorePrivilege 2028 TiWorker.exe Token: SeSecurityPrivilege 2028 TiWorker.exe Token: SeBackupPrivilege 2028 TiWorker.exe Token: SeRestorePrivilege 2028 TiWorker.exe Token: SeSecurityPrivilege 2028 TiWorker.exe Token: SeBackupPrivilege 2028 TiWorker.exe Token: SeRestorePrivilege 2028 TiWorker.exe Token: SeSecurityPrivilege 2028 TiWorker.exe Token: SeBackupPrivilege 2028 TiWorker.exe Token: SeRestorePrivilege 2028 TiWorker.exe Token: SeSecurityPrivilege 2028 TiWorker.exe Token: SeBackupPrivilege 2028 TiWorker.exe Token: SeRestorePrivilege 2028 TiWorker.exe Token: SeSecurityPrivilege 2028 TiWorker.exe Token: SeBackupPrivilege 2028 TiWorker.exe Token: SeRestorePrivilege 2028 TiWorker.exe Token: SeSecurityPrivilege 2028 TiWorker.exe Token: SeBackupPrivilege 2028 TiWorker.exe Token: SeRestorePrivilege 2028 TiWorker.exe Token: SeSecurityPrivilege 2028 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3268 wrote to memory of 5068 3268 01cf6fbeeebc9df340bff6e41b69062567eb901a907ab9fe8e7560e82e4e871d.exe 81 PID 3268 wrote to memory of 5068 3268 01cf6fbeeebc9df340bff6e41b69062567eb901a907ab9fe8e7560e82e4e871d.exe 81 PID 3268 wrote to memory of 5068 3268 01cf6fbeeebc9df340bff6e41b69062567eb901a907ab9fe8e7560e82e4e871d.exe 81 PID 3268 wrote to memory of 2252 3268 01cf6fbeeebc9df340bff6e41b69062567eb901a907ab9fe8e7560e82e4e871d.exe 95 PID 3268 wrote to memory of 2252 3268 01cf6fbeeebc9df340bff6e41b69062567eb901a907ab9fe8e7560e82e4e871d.exe 95 PID 3268 wrote to memory of 2252 3268 01cf6fbeeebc9df340bff6e41b69062567eb901a907ab9fe8e7560e82e4e871d.exe 95 PID 2252 wrote to memory of 3984 2252 cmd.exe 97 PID 2252 wrote to memory of 3984 2252 cmd.exe 97 PID 2252 wrote to memory of 3984 2252 cmd.exe 97
Processes
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C:\Users\Admin\AppData\Local\Temp\01cf6fbeeebc9df340bff6e41b69062567eb901a907ab9fe8e7560e82e4e871d.exe"C:\Users\Admin\AppData\Local\Temp\01cf6fbeeebc9df340bff6e41b69062567eb901a907ab9fe8e7560e82e4e871d.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3268 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:5068
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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\01cf6fbeeebc9df340bff6e41b69062567eb901a907ab9fe8e7560e82e4e871d.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2252 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3984
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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:224
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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:2028