Analysis
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max time kernel
141s -
max time network
165s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
12-02-2022 08:06
Static task
static1
Behavioral task
behavioral1
Sample
0bac345e64eaed77c319a3fd704da48c4c18506c6f29ce7650b37df24da05d27.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0bac345e64eaed77c319a3fd704da48c4c18506c6f29ce7650b37df24da05d27.exe
Resource
win10v2004-en-20220113
General
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Target
0bac345e64eaed77c319a3fd704da48c4c18506c6f29ce7650b37df24da05d27.exe
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Size
36KB
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MD5
ae5774b0da58385f81bf4a4c28a078b1
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SHA1
f34592150845f5cf9f88061734ac7ad2c11a6852
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SHA256
0bac345e64eaed77c319a3fd704da48c4c18506c6f29ce7650b37df24da05d27
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SHA512
ba74472891a35828e13472f61347036f245f9d23892e36ca94e5939eac7250c6eabd8bb37d995454c4e45dec244df9e32d8786542538081989dfad3577d61adb
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 4488 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0bac345e64eaed77c319a3fd704da48c4c18506c6f29ce7650b37df24da05d27.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation 0bac345e64eaed77c319a3fd704da48c4c18506c6f29ce7650b37df24da05d27.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0bac345e64eaed77c319a3fd704da48c4c18506c6f29ce7650b37df24da05d27.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0bac345e64eaed77c319a3fd704da48c4c18506c6f29ce7650b37df24da05d27.exe -
Drops file in Windows directory 8 IoCs
Processes:
svchost.exeTiWorker.exedescription ioc process 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 File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.edb svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm 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:
0bac345e64eaed77c319a3fd704da48c4c18506c6f29ce7650b37df24da05d27.exesvchost.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 2448 0bac345e64eaed77c319a3fd704da48c4c18506c6f29ce7650b37df24da05d27.exe Token: SeShutdownPrivilege 3416 svchost.exe Token: SeCreatePagefilePrivilege 3416 svchost.exe Token: SeShutdownPrivilege 3416 svchost.exe Token: SeCreatePagefilePrivilege 3416 svchost.exe Token: SeShutdownPrivilege 3416 svchost.exe Token: SeCreatePagefilePrivilege 3416 svchost.exe Token: SeSecurityPrivilege 3876 TiWorker.exe Token: SeRestorePrivilege 3876 TiWorker.exe Token: SeBackupPrivilege 3876 TiWorker.exe Token: SeBackupPrivilege 3876 TiWorker.exe Token: SeRestorePrivilege 3876 TiWorker.exe Token: SeSecurityPrivilege 3876 TiWorker.exe Token: SeBackupPrivilege 3876 TiWorker.exe Token: SeRestorePrivilege 3876 TiWorker.exe Token: SeSecurityPrivilege 3876 TiWorker.exe Token: SeBackupPrivilege 3876 TiWorker.exe Token: SeRestorePrivilege 3876 TiWorker.exe Token: SeSecurityPrivilege 3876 TiWorker.exe Token: SeBackupPrivilege 3876 TiWorker.exe Token: SeRestorePrivilege 3876 TiWorker.exe Token: SeSecurityPrivilege 3876 TiWorker.exe Token: SeBackupPrivilege 3876 TiWorker.exe Token: SeRestorePrivilege 3876 TiWorker.exe Token: SeSecurityPrivilege 3876 TiWorker.exe Token: SeBackupPrivilege 3876 TiWorker.exe Token: SeRestorePrivilege 3876 TiWorker.exe Token: SeSecurityPrivilege 3876 TiWorker.exe Token: SeBackupPrivilege 3876 TiWorker.exe Token: SeRestorePrivilege 3876 TiWorker.exe Token: SeSecurityPrivilege 3876 TiWorker.exe Token: SeBackupPrivilege 3876 TiWorker.exe Token: SeRestorePrivilege 3876 TiWorker.exe Token: SeSecurityPrivilege 3876 TiWorker.exe Token: SeBackupPrivilege 3876 TiWorker.exe Token: SeRestorePrivilege 3876 TiWorker.exe Token: SeSecurityPrivilege 3876 TiWorker.exe Token: SeBackupPrivilege 3876 TiWorker.exe Token: SeRestorePrivilege 3876 TiWorker.exe Token: SeSecurityPrivilege 3876 TiWorker.exe Token: SeBackupPrivilege 3876 TiWorker.exe Token: SeRestorePrivilege 3876 TiWorker.exe Token: SeSecurityPrivilege 3876 TiWorker.exe Token: SeBackupPrivilege 3876 TiWorker.exe Token: SeRestorePrivilege 3876 TiWorker.exe Token: SeSecurityPrivilege 3876 TiWorker.exe Token: SeBackupPrivilege 3876 TiWorker.exe Token: SeRestorePrivilege 3876 TiWorker.exe Token: SeSecurityPrivilege 3876 TiWorker.exe Token: SeBackupPrivilege 3876 TiWorker.exe Token: SeRestorePrivilege 3876 TiWorker.exe Token: SeSecurityPrivilege 3876 TiWorker.exe Token: SeBackupPrivilege 3876 TiWorker.exe Token: SeRestorePrivilege 3876 TiWorker.exe Token: SeSecurityPrivilege 3876 TiWorker.exe Token: SeBackupPrivilege 3876 TiWorker.exe Token: SeRestorePrivilege 3876 TiWorker.exe Token: SeSecurityPrivilege 3876 TiWorker.exe Token: SeBackupPrivilege 3876 TiWorker.exe Token: SeRestorePrivilege 3876 TiWorker.exe Token: SeSecurityPrivilege 3876 TiWorker.exe Token: SeBackupPrivilege 3876 TiWorker.exe Token: SeRestorePrivilege 3876 TiWorker.exe Token: SeSecurityPrivilege 3876 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0bac345e64eaed77c319a3fd704da48c4c18506c6f29ce7650b37df24da05d27.execmd.exedescription pid process target process PID 2448 wrote to memory of 4488 2448 0bac345e64eaed77c319a3fd704da48c4c18506c6f29ce7650b37df24da05d27.exe MediaCenter.exe PID 2448 wrote to memory of 4488 2448 0bac345e64eaed77c319a3fd704da48c4c18506c6f29ce7650b37df24da05d27.exe MediaCenter.exe PID 2448 wrote to memory of 4488 2448 0bac345e64eaed77c319a3fd704da48c4c18506c6f29ce7650b37df24da05d27.exe MediaCenter.exe PID 2448 wrote to memory of 4500 2448 0bac345e64eaed77c319a3fd704da48c4c18506c6f29ce7650b37df24da05d27.exe cmd.exe PID 2448 wrote to memory of 4500 2448 0bac345e64eaed77c319a3fd704da48c4c18506c6f29ce7650b37df24da05d27.exe cmd.exe PID 2448 wrote to memory of 4500 2448 0bac345e64eaed77c319a3fd704da48c4c18506c6f29ce7650b37df24da05d27.exe cmd.exe PID 4500 wrote to memory of 864 4500 cmd.exe PING.EXE PID 4500 wrote to memory of 864 4500 cmd.exe PING.EXE PID 4500 wrote to memory of 864 4500 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0bac345e64eaed77c319a3fd704da48c4c18506c6f29ce7650b37df24da05d27.exe"C:\Users\Admin\AppData\Local\Temp\0bac345e64eaed77c319a3fd704da48c4c18506c6f29ce7650b37df24da05d27.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2448 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:4488 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0bac345e64eaed77c319a3fd704da48c4c18506c6f29ce7650b37df24da05d27.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:4500 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:864
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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:3416
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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:3876
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
129aead590f98b2c921249c6ef67a78c
SHA1772254265b6d5a41d4a478e4f2fda63c67fb5215
SHA2561e0f53cb6c4316f5936df3430bd726c78ac759b264d004f768034f94bb089c5c
SHA512439a4e8cf11538ee90853b4a3b257ec7cf5dc5affe2a9ef5612e749b1d96d8a9d40dfa8bd28b7bf8cb68249c7f9d0471ace4d69f3ee95c0c46940ee5097ec14c
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MD5
129aead590f98b2c921249c6ef67a78c
SHA1772254265b6d5a41d4a478e4f2fda63c67fb5215
SHA2561e0f53cb6c4316f5936df3430bd726c78ac759b264d004f768034f94bb089c5c
SHA512439a4e8cf11538ee90853b4a3b257ec7cf5dc5affe2a9ef5612e749b1d96d8a9d40dfa8bd28b7bf8cb68249c7f9d0471ace4d69f3ee95c0c46940ee5097ec14c