Analysis
- max time kernel
145s - max time network
139s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
12/02/2022, 09:09
Static task
static1
Behavioral task
behavioral1
Sample
0adcd8d9cdd371c76c8ba6ba5e9588640116391a5d5d61b96a49513ef8c18edc.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
0adcd8d9cdd371c76c8ba6ba5e9588640116391a5d5d61b96a49513ef8c18edc.exe
Resource
win10v2004-en-20220113
windows10-2004_x64
0 signatures
0 seconds
General
- Target 0adcd8d9cdd371c76c8ba6ba5e9588640116391a5d5d61b96a49513ef8c18edc.exe
- Size 58KB
- Sample220212-k4glkacaep
- SHA256 0adcd8d9cdd371c76c8ba6ba5e9588640116391a5d5d61b96a49513ef8c18edc
- MD5 f83736426c098b434998d717bb2ff9a1
- SHA1 e71e33ffdc1887c3c4bf658d0fe5792b82dcda9c
- SHA512 9e1ffdb1b9bc1a09b82c2c265c0b2c538ad0c3687922a93dedb4f278384e60e4bf0641b18b61226006ee3aaa21098741515598998187abd1651897709342c816
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4084 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 0adcd8d9cdd371c76c8ba6ba5e9588640116391a5d5d61b96a49513ef8c18edc.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" 0adcd8d9cdd371c76c8ba6ba5e9588640116391a5d5d61b96a49513ef8c18edc.exe - Drops file in Windows directory 8 IoCs
description ioc Process 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 File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk 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 1700 PING.EXE - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 4448 svchost.exe Token: SeCreatePagefilePrivilege 4448 svchost.exe Token: SeShutdownPrivilege 4448 svchost.exe Token: SeCreatePagefilePrivilege 4448 svchost.exe Token: SeShutdownPrivilege 4448 svchost.exe Token: SeCreatePagefilePrivilege 4448 svchost.exe Token: SeSecurityPrivilege 320 TiWorker.exe Token: SeRestorePrivilege 320 TiWorker.exe Token: SeBackupPrivilege 320 TiWorker.exe Token: SeBackupPrivilege 320 TiWorker.exe Token: SeRestorePrivilege 320 TiWorker.exe Token: SeSecurityPrivilege 320 TiWorker.exe Token: SeBackupPrivilege 320 TiWorker.exe Token: SeRestorePrivilege 320 TiWorker.exe Token: SeSecurityPrivilege 320 TiWorker.exe Token: SeBackupPrivilege 320 TiWorker.exe Token: SeRestorePrivilege 320 TiWorker.exe Token: SeSecurityPrivilege 320 TiWorker.exe Token: SeBackupPrivilege 320 TiWorker.exe Token: SeRestorePrivilege 320 TiWorker.exe Token: SeSecurityPrivilege 320 TiWorker.exe Token: SeBackupPrivilege 320 TiWorker.exe Token: SeRestorePrivilege 320 TiWorker.exe Token: SeSecurityPrivilege 320 TiWorker.exe Token: SeBackupPrivilege 320 TiWorker.exe Token: SeRestorePrivilege 320 TiWorker.exe Token: SeSecurityPrivilege 320 TiWorker.exe Token: SeBackupPrivilege 320 TiWorker.exe Token: SeRestorePrivilege 320 TiWorker.exe Token: SeSecurityPrivilege 320 TiWorker.exe Token: SeBackupPrivilege 320 TiWorker.exe Token: SeRestorePrivilege 320 TiWorker.exe Token: SeSecurityPrivilege 320 TiWorker.exe Token: SeBackupPrivilege 320 TiWorker.exe Token: SeRestorePrivilege 320 TiWorker.exe Token: SeSecurityPrivilege 320 TiWorker.exe Token: SeBackupPrivilege 320 TiWorker.exe Token: SeRestorePrivilege 320 TiWorker.exe Token: SeSecurityPrivilege 320 TiWorker.exe Token: SeBackupPrivilege 320 TiWorker.exe Token: SeRestorePrivilege 320 TiWorker.exe Token: SeSecurityPrivilege 320 TiWorker.exe Token: SeBackupPrivilege 320 TiWorker.exe Token: SeRestorePrivilege 320 TiWorker.exe Token: SeSecurityPrivilege 320 TiWorker.exe Token: SeBackupPrivilege 320 TiWorker.exe Token: SeRestorePrivilege 320 TiWorker.exe Token: SeSecurityPrivilege 320 TiWorker.exe Token: SeBackupPrivilege 320 TiWorker.exe Token: SeRestorePrivilege 320 TiWorker.exe Token: SeSecurityPrivilege 320 TiWorker.exe Token: SeBackupPrivilege 320 TiWorker.exe Token: SeRestorePrivilege 320 TiWorker.exe Token: SeSecurityPrivilege 320 TiWorker.exe Token: SeBackupPrivilege 320 TiWorker.exe Token: SeRestorePrivilege 320 TiWorker.exe Token: SeSecurityPrivilege 320 TiWorker.exe Token: SeBackupPrivilege 320 TiWorker.exe Token: SeRestorePrivilege 320 TiWorker.exe Token: SeSecurityPrivilege 320 TiWorker.exe Token: SeBackupPrivilege 320 TiWorker.exe Token: SeRestorePrivilege 320 TiWorker.exe Token: SeSecurityPrivilege 320 TiWorker.exe Token: SeBackupPrivilege 320 TiWorker.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1264 wrote to memory of 4084 1264 0adcd8d9cdd371c76c8ba6ba5e9588640116391a5d5d61b96a49513ef8c18edc.exe 81 PID 1264 wrote to memory of 4084 1264 0adcd8d9cdd371c76c8ba6ba5e9588640116391a5d5d61b96a49513ef8c18edc.exe 81 PID 1264 wrote to memory of 4084 1264 0adcd8d9cdd371c76c8ba6ba5e9588640116391a5d5d61b96a49513ef8c18edc.exe 81 PID 1264 wrote to memory of 4648 1264 0adcd8d9cdd371c76c8ba6ba5e9588640116391a5d5d61b96a49513ef8c18edc.exe 99 PID 1264 wrote to memory of 4648 1264 0adcd8d9cdd371c76c8ba6ba5e9588640116391a5d5d61b96a49513ef8c18edc.exe 99 PID 1264 wrote to memory of 4648 1264 0adcd8d9cdd371c76c8ba6ba5e9588640116391a5d5d61b96a49513ef8c18edc.exe 99 PID 4648 wrote to memory of 1700 4648 cmd.exe 101 PID 4648 wrote to memory of 1700 4648 cmd.exe 101 PID 4648 wrote to memory of 1700 4648 cmd.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\0adcd8d9cdd371c76c8ba6ba5e9588640116391a5d5d61b96a49513ef8c18edc.exe"C:\Users\Admin\AppData\Local\Temp\0adcd8d9cdd371c76c8ba6ba5e9588640116391a5d5d61b96a49513ef8c18edc.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1264 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:4084
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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\0adcd8d9cdd371c76c8ba6ba5e9588640116391a5d5d61b96a49513ef8c18edc.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:4648 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1700
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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:4448
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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:320