Analysis
- max time kernel
135s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
12/02/2022, 03:53
Static task
static1
Behavioral task
behavioral1
Sample
1695be6bf858aad537106a757449a8cace3c095c3ed1e94051b55c7768547f16.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
1695be6bf858aad537106a757449a8cace3c095c3ed1e94051b55c7768547f16.exe
Resource
win10v2004-en-20220113
windows10-2004_x64
0 signatures
0 seconds
General
- Target 1695be6bf858aad537106a757449a8cace3c095c3ed1e94051b55c7768547f16.exe
- Size 60KB
- Sample220212-efyx2sffg4
- SHA256 1695be6bf858aad537106a757449a8cace3c095c3ed1e94051b55c7768547f16
- MD5 c2faac75785d5801b210418f5b5e8b6d
- SHA1 3234fb0f043416e21e2950b219fe0f86c13a1a42
- SHA512 29710a7ddea3b6adad4ed702c8d855dd7e64f7a6ed569839b3196cffc7bdc197cdb75798439a531dd1a0605005325f689c93b14dd0ce62a60e6f2205d9f2d06d
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 456 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 1695be6bf858aad537106a757449a8cace3c095c3ed1e94051b55c7768547f16.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" 1695be6bf858aad537106a757449a8cace3c095c3ed1e94051b55c7768547f16.exe - Drops file in Windows directory 8 IoCs
description 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.
- Runs ping.exe 1 TTPs 1 IoCs
pid Process 2288 PING.EXE - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 1436 svchost.exe Token: SeCreatePagefilePrivilege 1436 svchost.exe Token: SeShutdownPrivilege 1436 svchost.exe Token: SeCreatePagefilePrivilege 1436 svchost.exe Token: SeShutdownPrivilege 1436 svchost.exe Token: SeCreatePagefilePrivilege 1436 svchost.exe Token: SeSecurityPrivilege 4268 TiWorker.exe Token: SeRestorePrivilege 4268 TiWorker.exe Token: SeBackupPrivilege 4268 TiWorker.exe Token: SeIncBasePriorityPrivilege 4860 1695be6bf858aad537106a757449a8cace3c095c3ed1e94051b55c7768547f16.exe Token: SeBackupPrivilege 4268 TiWorker.exe Token: SeRestorePrivilege 4268 TiWorker.exe Token: SeSecurityPrivilege 4268 TiWorker.exe Token: SeBackupPrivilege 4268 TiWorker.exe Token: SeRestorePrivilege 4268 TiWorker.exe Token: SeSecurityPrivilege 4268 TiWorker.exe Token: SeBackupPrivilege 4268 TiWorker.exe Token: SeRestorePrivilege 4268 TiWorker.exe Token: SeSecurityPrivilege 4268 TiWorker.exe Token: SeBackupPrivilege 4268 TiWorker.exe Token: SeRestorePrivilege 4268 TiWorker.exe Token: SeSecurityPrivilege 4268 TiWorker.exe Token: SeBackupPrivilege 4268 TiWorker.exe Token: SeRestorePrivilege 4268 TiWorker.exe Token: SeSecurityPrivilege 4268 TiWorker.exe Token: SeBackupPrivilege 4268 TiWorker.exe Token: SeRestorePrivilege 4268 TiWorker.exe Token: SeSecurityPrivilege 4268 TiWorker.exe Token: SeBackupPrivilege 4268 TiWorker.exe Token: SeRestorePrivilege 4268 TiWorker.exe Token: SeSecurityPrivilege 4268 TiWorker.exe Token: SeBackupPrivilege 4268 TiWorker.exe Token: SeRestorePrivilege 4268 TiWorker.exe Token: SeSecurityPrivilege 4268 TiWorker.exe Token: SeBackupPrivilege 4268 TiWorker.exe Token: SeRestorePrivilege 4268 TiWorker.exe Token: SeSecurityPrivilege 4268 TiWorker.exe Token: SeBackupPrivilege 4268 TiWorker.exe Token: SeRestorePrivilege 4268 TiWorker.exe Token: SeSecurityPrivilege 4268 TiWorker.exe Token: SeBackupPrivilege 4268 TiWorker.exe Token: SeRestorePrivilege 4268 TiWorker.exe Token: SeSecurityPrivilege 4268 TiWorker.exe Token: SeBackupPrivilege 4268 TiWorker.exe Token: SeRestorePrivilege 4268 TiWorker.exe Token: SeSecurityPrivilege 4268 TiWorker.exe Token: SeBackupPrivilege 4268 TiWorker.exe Token: SeRestorePrivilege 4268 TiWorker.exe Token: SeSecurityPrivilege 4268 TiWorker.exe Token: SeBackupPrivilege 4268 TiWorker.exe Token: SeRestorePrivilege 4268 TiWorker.exe Token: SeSecurityPrivilege 4268 TiWorker.exe Token: SeBackupPrivilege 4268 TiWorker.exe Token: SeRestorePrivilege 4268 TiWorker.exe Token: SeSecurityPrivilege 4268 TiWorker.exe Token: SeBackupPrivilege 4268 TiWorker.exe Token: SeRestorePrivilege 4268 TiWorker.exe Token: SeSecurityPrivilege 4268 TiWorker.exe Token: SeBackupPrivilege 4268 TiWorker.exe Token: SeRestorePrivilege 4268 TiWorker.exe Token: SeSecurityPrivilege 4268 TiWorker.exe Token: SeBackupPrivilege 4268 TiWorker.exe Token: SeRestorePrivilege 4268 TiWorker.exe Token: SeSecurityPrivilege 4268 TiWorker.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4860 wrote to memory of 456 4860 1695be6bf858aad537106a757449a8cace3c095c3ed1e94051b55c7768547f16.exe 82 PID 4860 wrote to memory of 456 4860 1695be6bf858aad537106a757449a8cace3c095c3ed1e94051b55c7768547f16.exe 82 PID 4860 wrote to memory of 456 4860 1695be6bf858aad537106a757449a8cace3c095c3ed1e94051b55c7768547f16.exe 82 PID 4860 wrote to memory of 852 4860 1695be6bf858aad537106a757449a8cace3c095c3ed1e94051b55c7768547f16.exe 100 PID 4860 wrote to memory of 852 4860 1695be6bf858aad537106a757449a8cace3c095c3ed1e94051b55c7768547f16.exe 100 PID 4860 wrote to memory of 852 4860 1695be6bf858aad537106a757449a8cace3c095c3ed1e94051b55c7768547f16.exe 100 PID 852 wrote to memory of 2288 852 cmd.exe 102 PID 852 wrote to memory of 2288 852 cmd.exe 102 PID 852 wrote to memory of 2288 852 cmd.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\1695be6bf858aad537106a757449a8cace3c095c3ed1e94051b55c7768547f16.exe"C:\Users\Admin\AppData\Local\Temp\1695be6bf858aad537106a757449a8cace3c095c3ed1e94051b55c7768547f16.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4860 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:456
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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\1695be6bf858aad537106a757449a8cace3c095c3ed1e94051b55c7768547f16.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:852 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2288
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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:1436
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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:4268