Analysis
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max time kernel
136s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
12-02-2022 04:54
Static task
static1
Behavioral task
behavioral1
Sample
141a3ce082873add822095a0401e4d519b6ebadf71279e7dec74ed691c8c4a04.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
141a3ce082873add822095a0401e4d519b6ebadf71279e7dec74ed691c8c4a04.exe
Resource
win10v2004-en-20220113
General
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Target
141a3ce082873add822095a0401e4d519b6ebadf71279e7dec74ed691c8c4a04.exe
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Size
58KB
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MD5
365dd511f42f5a06981bd1ded020d757
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SHA1
887a534dc03e5c971ff44f0874ac6aa19aa5e9fe
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SHA256
141a3ce082873add822095a0401e4d519b6ebadf71279e7dec74ed691c8c4a04
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SHA512
db88520cd3ec70340aae7b90d4f62d725778e8accc1340d3c47b70d11515bba94f79d4602426747affe6e2ed21a02d841322af4774d1e4120aa4592bcec187a0
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 2788 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
141a3ce082873add822095a0401e4d519b6ebadf71279e7dec74ed691c8c4a04.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation 141a3ce082873add822095a0401e4d519b6ebadf71279e7dec74ed691c8c4a04.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
141a3ce082873add822095a0401e4d519b6ebadf71279e7dec74ed691c8c4a04.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 141a3ce082873add822095a0401e4d519b6ebadf71279e7dec74ed691c8c4a04.exe -
Drops file in Windows directory 8 IoCs
Processes:
svchost.exeTiWorker.exedescription ioc process 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 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 -
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.exeTiWorker.exedescription pid process Token: SeShutdownPrivilege 1392 svchost.exe Token: SeCreatePagefilePrivilege 1392 svchost.exe Token: SeShutdownPrivilege 1392 svchost.exe Token: SeCreatePagefilePrivilege 1392 svchost.exe Token: SeShutdownPrivilege 1392 svchost.exe Token: SeCreatePagefilePrivilege 1392 svchost.exe Token: SeSecurityPrivilege 2424 TiWorker.exe Token: SeRestorePrivilege 2424 TiWorker.exe Token: SeBackupPrivilege 2424 TiWorker.exe Token: SeBackupPrivilege 2424 TiWorker.exe Token: SeRestorePrivilege 2424 TiWorker.exe Token: SeSecurityPrivilege 2424 TiWorker.exe Token: SeBackupPrivilege 2424 TiWorker.exe Token: SeRestorePrivilege 2424 TiWorker.exe Token: SeSecurityPrivilege 2424 TiWorker.exe Token: SeBackupPrivilege 2424 TiWorker.exe Token: SeRestorePrivilege 2424 TiWorker.exe Token: SeSecurityPrivilege 2424 TiWorker.exe Token: SeBackupPrivilege 2424 TiWorker.exe Token: SeRestorePrivilege 2424 TiWorker.exe Token: SeSecurityPrivilege 2424 TiWorker.exe Token: SeBackupPrivilege 2424 TiWorker.exe Token: SeRestorePrivilege 2424 TiWorker.exe Token: SeSecurityPrivilege 2424 TiWorker.exe Token: SeBackupPrivilege 2424 TiWorker.exe Token: SeRestorePrivilege 2424 TiWorker.exe Token: SeSecurityPrivilege 2424 TiWorker.exe Token: SeBackupPrivilege 2424 TiWorker.exe Token: SeRestorePrivilege 2424 TiWorker.exe Token: SeSecurityPrivilege 2424 TiWorker.exe Token: SeBackupPrivilege 2424 TiWorker.exe Token: SeRestorePrivilege 2424 TiWorker.exe Token: SeSecurityPrivilege 2424 TiWorker.exe Token: SeBackupPrivilege 2424 TiWorker.exe Token: SeRestorePrivilege 2424 TiWorker.exe Token: SeSecurityPrivilege 2424 TiWorker.exe Token: SeBackupPrivilege 2424 TiWorker.exe Token: SeRestorePrivilege 2424 TiWorker.exe Token: SeSecurityPrivilege 2424 TiWorker.exe Token: SeBackupPrivilege 2424 TiWorker.exe Token: SeRestorePrivilege 2424 TiWorker.exe Token: SeSecurityPrivilege 2424 TiWorker.exe Token: SeBackupPrivilege 2424 TiWorker.exe Token: SeRestorePrivilege 2424 TiWorker.exe Token: SeSecurityPrivilege 2424 TiWorker.exe Token: SeBackupPrivilege 2424 TiWorker.exe Token: SeRestorePrivilege 2424 TiWorker.exe Token: SeSecurityPrivilege 2424 TiWorker.exe Token: SeBackupPrivilege 2424 TiWorker.exe Token: SeRestorePrivilege 2424 TiWorker.exe Token: SeSecurityPrivilege 2424 TiWorker.exe Token: SeBackupPrivilege 2424 TiWorker.exe Token: SeRestorePrivilege 2424 TiWorker.exe Token: SeSecurityPrivilege 2424 TiWorker.exe Token: SeBackupPrivilege 2424 TiWorker.exe Token: SeRestorePrivilege 2424 TiWorker.exe Token: SeSecurityPrivilege 2424 TiWorker.exe Token: SeBackupPrivilege 2424 TiWorker.exe Token: SeRestorePrivilege 2424 TiWorker.exe Token: SeSecurityPrivilege 2424 TiWorker.exe Token: SeBackupPrivilege 2424 TiWorker.exe Token: SeRestorePrivilege 2424 TiWorker.exe Token: SeSecurityPrivilege 2424 TiWorker.exe Token: SeBackupPrivilege 2424 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
141a3ce082873add822095a0401e4d519b6ebadf71279e7dec74ed691c8c4a04.execmd.exedescription pid process target process PID 1996 wrote to memory of 2788 1996 141a3ce082873add822095a0401e4d519b6ebadf71279e7dec74ed691c8c4a04.exe MediaCenter.exe PID 1996 wrote to memory of 2788 1996 141a3ce082873add822095a0401e4d519b6ebadf71279e7dec74ed691c8c4a04.exe MediaCenter.exe PID 1996 wrote to memory of 2788 1996 141a3ce082873add822095a0401e4d519b6ebadf71279e7dec74ed691c8c4a04.exe MediaCenter.exe PID 1996 wrote to memory of 2924 1996 141a3ce082873add822095a0401e4d519b6ebadf71279e7dec74ed691c8c4a04.exe cmd.exe PID 1996 wrote to memory of 2924 1996 141a3ce082873add822095a0401e4d519b6ebadf71279e7dec74ed691c8c4a04.exe cmd.exe PID 1996 wrote to memory of 2924 1996 141a3ce082873add822095a0401e4d519b6ebadf71279e7dec74ed691c8c4a04.exe cmd.exe PID 2924 wrote to memory of 2964 2924 cmd.exe PING.EXE PID 2924 wrote to memory of 2964 2924 cmd.exe PING.EXE PID 2924 wrote to memory of 2964 2924 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\141a3ce082873add822095a0401e4d519b6ebadf71279e7dec74ed691c8c4a04.exe"C:\Users\Admin\AppData\Local\Temp\141a3ce082873add822095a0401e4d519b6ebadf71279e7dec74ed691c8c4a04.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1996 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2788 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\141a3ce082873add822095a0401e4d519b6ebadf71279e7dec74ed691c8c4a04.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2924 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2964
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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:1392
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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:2424
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
09ef54919da1852e33dab742216e59d4
SHA17eb1ee54564b755461715055c09c52fd9c822028
SHA25600baf9d64fce96098aa5b7735e50621a65e6ed09dcdfaa7cc5287aa9b7875c4f
SHA512d6cdc864c3f068a6d7491314a3e96b8cf39119973d9018e2ceee4179433c43ca27b90f36bba039cf5479d1007a011f19e0cad10da10c30c0a3655ac19f7ecfa2
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MD5
09ef54919da1852e33dab742216e59d4
SHA17eb1ee54564b755461715055c09c52fd9c822028
SHA25600baf9d64fce96098aa5b7735e50621a65e6ed09dcdfaa7cc5287aa9b7875c4f
SHA512d6cdc864c3f068a6d7491314a3e96b8cf39119973d9018e2ceee4179433c43ca27b90f36bba039cf5479d1007a011f19e0cad10da10c30c0a3655ac19f7ecfa2