Analysis
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max time kernel
160s -
max time network
168s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
12/02/2022, 06:37
Static task
static1
Behavioral task
behavioral1
Sample
0f74c3c91ec8bf6cd87822d7509415de7d06ae4200b9841edca0d588a55343b3.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0f74c3c91ec8bf6cd87822d7509415de7d06ae4200b9841edca0d588a55343b3.exe
Resource
win10v2004-en-20220113
General
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Target
0f74c3c91ec8bf6cd87822d7509415de7d06ae4200b9841edca0d588a55343b3.exe
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Size
60KB
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MD5
4b242c1df5b5057f34895cc35e516802
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SHA1
15e0a70fe6a328561e57d7b10ebd4a6b78b3536c
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SHA256
0f74c3c91ec8bf6cd87822d7509415de7d06ae4200b9841edca0d588a55343b3
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SHA512
f896d918b232b24a80c2491a31de53bae30fc9a76cc9b09821d45387603e47ea9042a55f32a09c89a2b0b548934a03f88eec9d5a06b169a92f99b608096a1677
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 4588 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 0f74c3c91ec8bf6cd87822d7509415de7d06ae4200b9841edca0d588a55343b3.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" 0f74c3c91ec8bf6cd87822d7509415de7d06ae4200b9841edca0d588a55343b3.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 2260 PING.EXE -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 4052 svchost.exe Token: SeCreatePagefilePrivilege 4052 svchost.exe Token: SeShutdownPrivilege 4052 svchost.exe Token: SeCreatePagefilePrivilege 4052 svchost.exe Token: SeShutdownPrivilege 4052 svchost.exe Token: SeCreatePagefilePrivilege 4052 svchost.exe Token: SeIncBasePriorityPrivilege 1332 0f74c3c91ec8bf6cd87822d7509415de7d06ae4200b9841edca0d588a55343b3.exe Token: SeSecurityPrivilege 1452 TiWorker.exe Token: SeRestorePrivilege 1452 TiWorker.exe Token: SeBackupPrivilege 1452 TiWorker.exe Token: SeBackupPrivilege 1452 TiWorker.exe Token: SeRestorePrivilege 1452 TiWorker.exe Token: SeSecurityPrivilege 1452 TiWorker.exe Token: SeBackupPrivilege 1452 TiWorker.exe Token: SeRestorePrivilege 1452 TiWorker.exe Token: SeSecurityPrivilege 1452 TiWorker.exe Token: SeBackupPrivilege 1452 TiWorker.exe Token: SeRestorePrivilege 1452 TiWorker.exe Token: SeSecurityPrivilege 1452 TiWorker.exe Token: SeBackupPrivilege 1452 TiWorker.exe Token: SeRestorePrivilege 1452 TiWorker.exe Token: SeSecurityPrivilege 1452 TiWorker.exe Token: SeBackupPrivilege 1452 TiWorker.exe Token: SeRestorePrivilege 1452 TiWorker.exe Token: SeSecurityPrivilege 1452 TiWorker.exe Token: SeBackupPrivilege 1452 TiWorker.exe Token: SeRestorePrivilege 1452 TiWorker.exe Token: SeSecurityPrivilege 1452 TiWorker.exe Token: SeBackupPrivilege 1452 TiWorker.exe Token: SeRestorePrivilege 1452 TiWorker.exe Token: SeSecurityPrivilege 1452 TiWorker.exe Token: SeBackupPrivilege 1452 TiWorker.exe Token: SeRestorePrivilege 1452 TiWorker.exe Token: SeSecurityPrivilege 1452 TiWorker.exe Token: SeBackupPrivilege 1452 TiWorker.exe Token: SeRestorePrivilege 1452 TiWorker.exe Token: SeSecurityPrivilege 1452 TiWorker.exe Token: SeBackupPrivilege 1452 TiWorker.exe Token: SeRestorePrivilege 1452 TiWorker.exe Token: SeSecurityPrivilege 1452 TiWorker.exe Token: SeBackupPrivilege 1452 TiWorker.exe Token: SeRestorePrivilege 1452 TiWorker.exe Token: SeSecurityPrivilege 1452 TiWorker.exe Token: SeBackupPrivilege 1452 TiWorker.exe Token: SeRestorePrivilege 1452 TiWorker.exe Token: SeSecurityPrivilege 1452 TiWorker.exe Token: SeBackupPrivilege 1452 TiWorker.exe Token: SeRestorePrivilege 1452 TiWorker.exe Token: SeSecurityPrivilege 1452 TiWorker.exe Token: SeBackupPrivilege 1452 TiWorker.exe Token: SeRestorePrivilege 1452 TiWorker.exe Token: SeSecurityPrivilege 1452 TiWorker.exe Token: SeBackupPrivilege 1452 TiWorker.exe Token: SeRestorePrivilege 1452 TiWorker.exe Token: SeSecurityPrivilege 1452 TiWorker.exe Token: SeBackupPrivilege 1452 TiWorker.exe Token: SeRestorePrivilege 1452 TiWorker.exe Token: SeSecurityPrivilege 1452 TiWorker.exe Token: SeBackupPrivilege 1452 TiWorker.exe Token: SeRestorePrivilege 1452 TiWorker.exe Token: SeSecurityPrivilege 1452 TiWorker.exe Token: SeBackupPrivilege 1452 TiWorker.exe Token: SeRestorePrivilege 1452 TiWorker.exe Token: SeSecurityPrivilege 1452 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1332 wrote to memory of 4588 1332 0f74c3c91ec8bf6cd87822d7509415de7d06ae4200b9841edca0d588a55343b3.exe 82 PID 1332 wrote to memory of 4588 1332 0f74c3c91ec8bf6cd87822d7509415de7d06ae4200b9841edca0d588a55343b3.exe 82 PID 1332 wrote to memory of 4588 1332 0f74c3c91ec8bf6cd87822d7509415de7d06ae4200b9841edca0d588a55343b3.exe 82 PID 1332 wrote to memory of 4204 1332 0f74c3c91ec8bf6cd87822d7509415de7d06ae4200b9841edca0d588a55343b3.exe 99 PID 1332 wrote to memory of 4204 1332 0f74c3c91ec8bf6cd87822d7509415de7d06ae4200b9841edca0d588a55343b3.exe 99 PID 1332 wrote to memory of 4204 1332 0f74c3c91ec8bf6cd87822d7509415de7d06ae4200b9841edca0d588a55343b3.exe 99 PID 4204 wrote to memory of 2260 4204 cmd.exe 101 PID 4204 wrote to memory of 2260 4204 cmd.exe 101 PID 4204 wrote to memory of 2260 4204 cmd.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\0f74c3c91ec8bf6cd87822d7509415de7d06ae4200b9841edca0d588a55343b3.exe"C:\Users\Admin\AppData\Local\Temp\0f74c3c91ec8bf6cd87822d7509415de7d06ae4200b9841edca0d588a55343b3.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1332 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:4588
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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\0f74c3c91ec8bf6cd87822d7509415de7d06ae4200b9841edca0d588a55343b3.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:4204 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2260
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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:4052
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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:1452