Analysis
- max time kernel
157s - max time network
168s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
12/02/2022, 06:20
Static task
static1
Behavioral task
behavioral1
Sample
104759bd1cf477303579dae8ad442f578e79056bdd94cc1a02aae165b72c83b1.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
104759bd1cf477303579dae8ad442f578e79056bdd94cc1a02aae165b72c83b1.exe
Resource
win10v2004-en-20220113
windows10-2004_x64
0 signatures
0 seconds
General
- Target 104759bd1cf477303579dae8ad442f578e79056bdd94cc1a02aae165b72c83b1.exe
- Size 36KB
- Sample220212-g3sewsaeer
- SHA256 104759bd1cf477303579dae8ad442f578e79056bdd94cc1a02aae165b72c83b1
- MD5 5b4f01742fdb8607a946d43d2f2d5ffd
- SHA1 a126f50ce38de948e0e3286c1f979873300dffdd
- SHA512 c7b2d351edc86f43be17afa4b5c5a8884263cf85e0a4ab96e565ede4a3c1feead8daa0aa5a50a93077cf12fa3d2634a18f2b83dc33532a2f809092d83410bf29
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4384 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 104759bd1cf477303579dae8ad442f578e79056bdd94cc1a02aae165b72c83b1.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" 104759bd1cf477303579dae8ad442f578e79056bdd94cc1a02aae165b72c83b1.exe - Drops file in Windows directory 8 IoCs
description ioc Process 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 File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.edb svchost.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Runs ping.exe 1 TTPs 1 IoCs
pid Process 1852 PING.EXE - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 1460 svchost.exe Token: SeCreatePagefilePrivilege 1460 svchost.exe Token: SeShutdownPrivilege 1460 svchost.exe Token: SeCreatePagefilePrivilege 1460 svchost.exe Token: SeShutdownPrivilege 1460 svchost.exe Token: SeCreatePagefilePrivilege 1460 svchost.exe Token: SeSecurityPrivilege 4884 TiWorker.exe Token: SeRestorePrivilege 4884 TiWorker.exe Token: SeBackupPrivilege 4884 TiWorker.exe Token: SeIncBasePriorityPrivilege 3080 104759bd1cf477303579dae8ad442f578e79056bdd94cc1a02aae165b72c83b1.exe Token: SeBackupPrivilege 4884 TiWorker.exe Token: SeRestorePrivilege 4884 TiWorker.exe Token: SeSecurityPrivilege 4884 TiWorker.exe Token: SeBackupPrivilege 4884 TiWorker.exe Token: SeRestorePrivilege 4884 TiWorker.exe Token: SeSecurityPrivilege 4884 TiWorker.exe Token: SeBackupPrivilege 4884 TiWorker.exe Token: SeRestorePrivilege 4884 TiWorker.exe Token: SeSecurityPrivilege 4884 TiWorker.exe Token: SeBackupPrivilege 4884 TiWorker.exe Token: SeRestorePrivilege 4884 TiWorker.exe Token: SeSecurityPrivilege 4884 TiWorker.exe Token: SeBackupPrivilege 4884 TiWorker.exe Token: SeRestorePrivilege 4884 TiWorker.exe Token: SeSecurityPrivilege 4884 TiWorker.exe Token: SeBackupPrivilege 4884 TiWorker.exe Token: SeRestorePrivilege 4884 TiWorker.exe Token: SeSecurityPrivilege 4884 TiWorker.exe Token: SeBackupPrivilege 4884 TiWorker.exe Token: SeRestorePrivilege 4884 TiWorker.exe Token: SeSecurityPrivilege 4884 TiWorker.exe Token: SeBackupPrivilege 4884 TiWorker.exe Token: SeRestorePrivilege 4884 TiWorker.exe Token: SeSecurityPrivilege 4884 TiWorker.exe Token: SeBackupPrivilege 4884 TiWorker.exe Token: SeRestorePrivilege 4884 TiWorker.exe Token: SeSecurityPrivilege 4884 TiWorker.exe Token: SeBackupPrivilege 4884 TiWorker.exe Token: SeRestorePrivilege 4884 TiWorker.exe Token: SeSecurityPrivilege 4884 TiWorker.exe Token: SeBackupPrivilege 4884 TiWorker.exe Token: SeRestorePrivilege 4884 TiWorker.exe Token: SeSecurityPrivilege 4884 TiWorker.exe Token: SeBackupPrivilege 4884 TiWorker.exe Token: SeRestorePrivilege 4884 TiWorker.exe Token: SeSecurityPrivilege 4884 TiWorker.exe Token: SeBackupPrivilege 4884 TiWorker.exe Token: SeRestorePrivilege 4884 TiWorker.exe Token: SeSecurityPrivilege 4884 TiWorker.exe Token: SeBackupPrivilege 4884 TiWorker.exe Token: SeRestorePrivilege 4884 TiWorker.exe Token: SeSecurityPrivilege 4884 TiWorker.exe Token: SeBackupPrivilege 4884 TiWorker.exe Token: SeRestorePrivilege 4884 TiWorker.exe Token: SeSecurityPrivilege 4884 TiWorker.exe Token: SeBackupPrivilege 4884 TiWorker.exe Token: SeRestorePrivilege 4884 TiWorker.exe Token: SeSecurityPrivilege 4884 TiWorker.exe Token: SeBackupPrivilege 4884 TiWorker.exe Token: SeRestorePrivilege 4884 TiWorker.exe Token: SeSecurityPrivilege 4884 TiWorker.exe Token: SeBackupPrivilege 4884 TiWorker.exe Token: SeRestorePrivilege 4884 TiWorker.exe Token: SeSecurityPrivilege 4884 TiWorker.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3080 wrote to memory of 4384 3080 104759bd1cf477303579dae8ad442f578e79056bdd94cc1a02aae165b72c83b1.exe 82 PID 3080 wrote to memory of 4384 3080 104759bd1cf477303579dae8ad442f578e79056bdd94cc1a02aae165b72c83b1.exe 82 PID 3080 wrote to memory of 4384 3080 104759bd1cf477303579dae8ad442f578e79056bdd94cc1a02aae165b72c83b1.exe 82 PID 3080 wrote to memory of 1132 3080 104759bd1cf477303579dae8ad442f578e79056bdd94cc1a02aae165b72c83b1.exe 99 PID 3080 wrote to memory of 1132 3080 104759bd1cf477303579dae8ad442f578e79056bdd94cc1a02aae165b72c83b1.exe 99 PID 3080 wrote to memory of 1132 3080 104759bd1cf477303579dae8ad442f578e79056bdd94cc1a02aae165b72c83b1.exe 99 PID 1132 wrote to memory of 1852 1132 cmd.exe 101 PID 1132 wrote to memory of 1852 1132 cmd.exe 101 PID 1132 wrote to memory of 1852 1132 cmd.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\104759bd1cf477303579dae8ad442f578e79056bdd94cc1a02aae165b72c83b1.exe"C:\Users\Admin\AppData\Local\Temp\104759bd1cf477303579dae8ad442f578e79056bdd94cc1a02aae165b72c83b1.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3080 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:4384
-
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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\104759bd1cf477303579dae8ad442f578e79056bdd94cc1a02aae165b72c83b1.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1132 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1852
-
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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:1460
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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:4884