Analysis
- max time kernel
136s - max time network
142s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
12/02/2022, 09:41
Static task
static1
Behavioral task
behavioral1
Sample
0948544922490f804912b9be60ad94e7ccc73a301cdfd32dbcdbd29af013952a.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
0948544922490f804912b9be60ad94e7ccc73a301cdfd32dbcdbd29af013952a.exe
Resource
win10v2004-en-20220113
windows10-2004_x64
0 signatures
0 seconds
General
- Target 0948544922490f804912b9be60ad94e7ccc73a301cdfd32dbcdbd29af013952a.exe
- Size 150KB
- Sample220212-lntfvsagb4
- SHA256 0948544922490f804912b9be60ad94e7ccc73a301cdfd32dbcdbd29af013952a
- MD5 74724506d36be87c1dd96500b62b9bd6
- SHA1 ed40350253515fb27af58a3b6e62736d0e956866
- SHA512 c1e3158ff189b80b4060c78ed48c93154277e16cf5fd1c16055c387c0193f5c607ac2e1d6881d16960fba00405499841f93dcf6aeb612b037abcdbaa25fdf8dd
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- Sakula Payload 2 IoCs
resource yara_rule behavioral2/files/0x000500000001e7b8-130.dat family_sakula behavioral2/files/0x000500000001e7b8-131.dat family_sakula - Executes dropped EXE 1 IoCs
pid Process 4608 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 0948544922490f804912b9be60ad94e7ccc73a301cdfd32dbcdbd29af013952a.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" 0948544922490f804912b9be60ad94e7ccc73a301cdfd32dbcdbd29af013952a.exe - Drops file in Windows directory 8 IoCs
description ioc Process 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 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 - 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 5112 PING.EXE - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 4496 svchost.exe Token: SeCreatePagefilePrivilege 4496 svchost.exe Token: SeShutdownPrivilege 4496 svchost.exe Token: SeCreatePagefilePrivilege 4496 svchost.exe Token: SeShutdownPrivilege 4496 svchost.exe Token: SeCreatePagefilePrivilege 4496 svchost.exe Token: SeSecurityPrivilege 4292 TiWorker.exe Token: SeRestorePrivilege 4292 TiWorker.exe Token: SeBackupPrivilege 4292 TiWorker.exe Token: SeBackupPrivilege 4292 TiWorker.exe Token: SeRestorePrivilege 4292 TiWorker.exe Token: SeSecurityPrivilege 4292 TiWorker.exe Token: SeBackupPrivilege 4292 TiWorker.exe Token: SeRestorePrivilege 4292 TiWorker.exe Token: SeSecurityPrivilege 4292 TiWorker.exe Token: SeBackupPrivilege 4292 TiWorker.exe Token: SeRestorePrivilege 4292 TiWorker.exe Token: SeSecurityPrivilege 4292 TiWorker.exe Token: SeBackupPrivilege 4292 TiWorker.exe Token: SeRestorePrivilege 4292 TiWorker.exe Token: SeSecurityPrivilege 4292 TiWorker.exe Token: SeBackupPrivilege 4292 TiWorker.exe Token: SeRestorePrivilege 4292 TiWorker.exe Token: SeSecurityPrivilege 4292 TiWorker.exe Token: SeBackupPrivilege 4292 TiWorker.exe Token: SeRestorePrivilege 4292 TiWorker.exe Token: SeSecurityPrivilege 4292 TiWorker.exe Token: SeBackupPrivilege 4292 TiWorker.exe Token: SeRestorePrivilege 4292 TiWorker.exe Token: SeSecurityPrivilege 4292 TiWorker.exe Token: SeBackupPrivilege 4292 TiWorker.exe Token: SeRestorePrivilege 4292 TiWorker.exe Token: SeSecurityPrivilege 4292 TiWorker.exe Token: SeBackupPrivilege 4292 TiWorker.exe Token: SeRestorePrivilege 4292 TiWorker.exe Token: SeSecurityPrivilege 4292 TiWorker.exe Token: SeBackupPrivilege 4292 TiWorker.exe Token: SeRestorePrivilege 4292 TiWorker.exe Token: SeSecurityPrivilege 4292 TiWorker.exe Token: SeBackupPrivilege 4292 TiWorker.exe Token: SeRestorePrivilege 4292 TiWorker.exe Token: SeSecurityPrivilege 4292 TiWorker.exe Token: SeBackupPrivilege 4292 TiWorker.exe Token: SeRestorePrivilege 4292 TiWorker.exe Token: SeSecurityPrivilege 4292 TiWorker.exe Token: SeBackupPrivilege 4292 TiWorker.exe Token: SeRestorePrivilege 4292 TiWorker.exe Token: SeSecurityPrivilege 4292 TiWorker.exe Token: SeBackupPrivilege 4292 TiWorker.exe Token: SeRestorePrivilege 4292 TiWorker.exe Token: SeSecurityPrivilege 4292 TiWorker.exe Token: SeBackupPrivilege 4292 TiWorker.exe Token: SeRestorePrivilege 4292 TiWorker.exe Token: SeSecurityPrivilege 4292 TiWorker.exe Token: SeBackupPrivilege 4292 TiWorker.exe Token: SeRestorePrivilege 4292 TiWorker.exe Token: SeSecurityPrivilege 4292 TiWorker.exe Token: SeBackupPrivilege 4292 TiWorker.exe Token: SeRestorePrivilege 4292 TiWorker.exe Token: SeSecurityPrivilege 4292 TiWorker.exe Token: SeBackupPrivilege 4292 TiWorker.exe Token: SeRestorePrivilege 4292 TiWorker.exe Token: SeSecurityPrivilege 4292 TiWorker.exe Token: SeBackupPrivilege 4292 TiWorker.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4336 wrote to memory of 4608 4336 0948544922490f804912b9be60ad94e7ccc73a301cdfd32dbcdbd29af013952a.exe 82 PID 4336 wrote to memory of 4608 4336 0948544922490f804912b9be60ad94e7ccc73a301cdfd32dbcdbd29af013952a.exe 82 PID 4336 wrote to memory of 4608 4336 0948544922490f804912b9be60ad94e7ccc73a301cdfd32dbcdbd29af013952a.exe 82 PID 4336 wrote to memory of 5116 4336 0948544922490f804912b9be60ad94e7ccc73a301cdfd32dbcdbd29af013952a.exe 101 PID 4336 wrote to memory of 5116 4336 0948544922490f804912b9be60ad94e7ccc73a301cdfd32dbcdbd29af013952a.exe 101 PID 4336 wrote to memory of 5116 4336 0948544922490f804912b9be60ad94e7ccc73a301cdfd32dbcdbd29af013952a.exe 101 PID 5116 wrote to memory of 5112 5116 cmd.exe 103 PID 5116 wrote to memory of 5112 5116 cmd.exe 103 PID 5116 wrote to memory of 5112 5116 cmd.exe 103
Processes
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C:\Users\Admin\AppData\Local\Temp\0948544922490f804912b9be60ad94e7ccc73a301cdfd32dbcdbd29af013952a.exe"C:\Users\Admin\AppData\Local\Temp\0948544922490f804912b9be60ad94e7ccc73a301cdfd32dbcdbd29af013952a.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4336 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:4608
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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\0948544922490f804912b9be60ad94e7ccc73a301cdfd32dbcdbd29af013952a.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:5116 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:5112
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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:4496
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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:4292