Analysis
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max time kernel
133s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
12-02-2022 04:59
Static task
static1
Behavioral task
behavioral1
Sample
13e74cf0cb63545de96fe2f7e1f989be6f1f610f8e6d45201e36b3e48ea62354.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
13e74cf0cb63545de96fe2f7e1f989be6f1f610f8e6d45201e36b3e48ea62354.exe
Resource
win10v2004-en-20220113
General
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Target
13e74cf0cb63545de96fe2f7e1f989be6f1f610f8e6d45201e36b3e48ea62354.exe
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Size
60KB
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MD5
899b993030ce8f5265a7c41320c521ea
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SHA1
125ebc3c4117ee5ea7e15af37234853961726f97
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SHA256
13e74cf0cb63545de96fe2f7e1f989be6f1f610f8e6d45201e36b3e48ea62354
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SHA512
c6da18f44089d26aed880a6d7b7a6fd355130847bb0506adc94ae9d42d62a52f410343dcba29360fd3f6ea0b11ce58c8ba55a3efaa2962ab9f2a971377add87d
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 4596 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
13e74cf0cb63545de96fe2f7e1f989be6f1f610f8e6d45201e36b3e48ea62354.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation 13e74cf0cb63545de96fe2f7e1f989be6f1f610f8e6d45201e36b3e48ea62354.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
13e74cf0cb63545de96fe2f7e1f989be6f1f610f8e6d45201e36b3e48ea62354.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 13e74cf0cb63545de96fe2f7e1f989be6f1f610f8e6d45201e36b3e48ea62354.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.exe13e74cf0cb63545de96fe2f7e1f989be6f1f610f8e6d45201e36b3e48ea62354.exeTiWorker.exedescription pid process Token: SeShutdownPrivilege 4168 svchost.exe Token: SeCreatePagefilePrivilege 4168 svchost.exe Token: SeShutdownPrivilege 4168 svchost.exe Token: SeCreatePagefilePrivilege 4168 svchost.exe Token: SeShutdownPrivilege 4168 svchost.exe Token: SeCreatePagefilePrivilege 4168 svchost.exe Token: SeIncBasePriorityPrivilege 2864 13e74cf0cb63545de96fe2f7e1f989be6f1f610f8e6d45201e36b3e48ea62354.exe Token: SeSecurityPrivilege 3620 TiWorker.exe Token: SeRestorePrivilege 3620 TiWorker.exe Token: SeBackupPrivilege 3620 TiWorker.exe Token: SeBackupPrivilege 3620 TiWorker.exe Token: SeRestorePrivilege 3620 TiWorker.exe Token: SeSecurityPrivilege 3620 TiWorker.exe Token: SeBackupPrivilege 3620 TiWorker.exe Token: SeRestorePrivilege 3620 TiWorker.exe Token: SeSecurityPrivilege 3620 TiWorker.exe Token: SeBackupPrivilege 3620 TiWorker.exe Token: SeRestorePrivilege 3620 TiWorker.exe Token: SeSecurityPrivilege 3620 TiWorker.exe Token: SeBackupPrivilege 3620 TiWorker.exe Token: SeRestorePrivilege 3620 TiWorker.exe Token: SeSecurityPrivilege 3620 TiWorker.exe Token: SeBackupPrivilege 3620 TiWorker.exe Token: SeRestorePrivilege 3620 TiWorker.exe Token: SeSecurityPrivilege 3620 TiWorker.exe Token: SeBackupPrivilege 3620 TiWorker.exe Token: SeRestorePrivilege 3620 TiWorker.exe Token: SeSecurityPrivilege 3620 TiWorker.exe Token: SeBackupPrivilege 3620 TiWorker.exe Token: SeRestorePrivilege 3620 TiWorker.exe Token: SeSecurityPrivilege 3620 TiWorker.exe Token: SeBackupPrivilege 3620 TiWorker.exe Token: SeRestorePrivilege 3620 TiWorker.exe Token: SeSecurityPrivilege 3620 TiWorker.exe Token: SeBackupPrivilege 3620 TiWorker.exe Token: SeRestorePrivilege 3620 TiWorker.exe Token: SeSecurityPrivilege 3620 TiWorker.exe Token: SeBackupPrivilege 3620 TiWorker.exe Token: SeRestorePrivilege 3620 TiWorker.exe Token: SeSecurityPrivilege 3620 TiWorker.exe Token: SeBackupPrivilege 3620 TiWorker.exe Token: SeRestorePrivilege 3620 TiWorker.exe Token: SeSecurityPrivilege 3620 TiWorker.exe Token: SeBackupPrivilege 3620 TiWorker.exe Token: SeRestorePrivilege 3620 TiWorker.exe Token: SeSecurityPrivilege 3620 TiWorker.exe Token: SeBackupPrivilege 3620 TiWorker.exe Token: SeRestorePrivilege 3620 TiWorker.exe Token: SeSecurityPrivilege 3620 TiWorker.exe Token: SeBackupPrivilege 3620 TiWorker.exe Token: SeRestorePrivilege 3620 TiWorker.exe Token: SeSecurityPrivilege 3620 TiWorker.exe Token: SeBackupPrivilege 3620 TiWorker.exe Token: SeRestorePrivilege 3620 TiWorker.exe Token: SeSecurityPrivilege 3620 TiWorker.exe Token: SeBackupPrivilege 3620 TiWorker.exe Token: SeRestorePrivilege 3620 TiWorker.exe Token: SeSecurityPrivilege 3620 TiWorker.exe Token: SeBackupPrivilege 3620 TiWorker.exe Token: SeRestorePrivilege 3620 TiWorker.exe Token: SeSecurityPrivilege 3620 TiWorker.exe Token: SeBackupPrivilege 3620 TiWorker.exe Token: SeRestorePrivilege 3620 TiWorker.exe Token: SeSecurityPrivilege 3620 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
13e74cf0cb63545de96fe2f7e1f989be6f1f610f8e6d45201e36b3e48ea62354.execmd.exedescription pid process target process PID 2864 wrote to memory of 4596 2864 13e74cf0cb63545de96fe2f7e1f989be6f1f610f8e6d45201e36b3e48ea62354.exe MediaCenter.exe PID 2864 wrote to memory of 4596 2864 13e74cf0cb63545de96fe2f7e1f989be6f1f610f8e6d45201e36b3e48ea62354.exe MediaCenter.exe PID 2864 wrote to memory of 4596 2864 13e74cf0cb63545de96fe2f7e1f989be6f1f610f8e6d45201e36b3e48ea62354.exe MediaCenter.exe PID 2864 wrote to memory of 4856 2864 13e74cf0cb63545de96fe2f7e1f989be6f1f610f8e6d45201e36b3e48ea62354.exe cmd.exe PID 2864 wrote to memory of 4856 2864 13e74cf0cb63545de96fe2f7e1f989be6f1f610f8e6d45201e36b3e48ea62354.exe cmd.exe PID 2864 wrote to memory of 4856 2864 13e74cf0cb63545de96fe2f7e1f989be6f1f610f8e6d45201e36b3e48ea62354.exe cmd.exe PID 4856 wrote to memory of 2552 4856 cmd.exe PING.EXE PID 4856 wrote to memory of 2552 4856 cmd.exe PING.EXE PID 4856 wrote to memory of 2552 4856 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\13e74cf0cb63545de96fe2f7e1f989be6f1f610f8e6d45201e36b3e48ea62354.exe"C:\Users\Admin\AppData\Local\Temp\13e74cf0cb63545de96fe2f7e1f989be6f1f610f8e6d45201e36b3e48ea62354.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2864 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:4596 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\13e74cf0cb63545de96fe2f7e1f989be6f1f610f8e6d45201e36b3e48ea62354.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:4856 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2552
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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:4168
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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:3620
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
4035fcb75501cf0cf0aed9b5fa702fc9
SHA10e23643e7dca30ddfd658689946ea5352e6609e8
SHA25686ab4044dd556eb911b5dfbd562cdf001dc894d7ad3556b7e8680b16ede3037a
SHA51295dff0094f1a987922b858eed38c010dad8404087ae824cf6c9153e28bd122fb57dc99c558868c6abd61403504b9bfd84214baa4651ff9a95f81c82c7d0aed10
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MD5
4035fcb75501cf0cf0aed9b5fa702fc9
SHA10e23643e7dca30ddfd658689946ea5352e6609e8
SHA25686ab4044dd556eb911b5dfbd562cdf001dc894d7ad3556b7e8680b16ede3037a
SHA51295dff0094f1a987922b858eed38c010dad8404087ae824cf6c9153e28bd122fb57dc99c558868c6abd61403504b9bfd84214baa4651ff9a95f81c82c7d0aed10