Analysis
- max time kernel
132s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
12/02/2022, 09:36
Static task
static1
Behavioral task
behavioral1
Sample
097ce089319fe404759f8b8ff5114489d2de2be1b987106d9029ee7ef34d9625.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
097ce089319fe404759f8b8ff5114489d2de2be1b987106d9029ee7ef34d9625.exe
Resource
win10v2004-en-20220113
windows10-2004_x64
0 signatures
0 seconds
General
- Target 097ce089319fe404759f8b8ff5114489d2de2be1b987106d9029ee7ef34d9625.exe
- Size 191KB
- Sample220212-llb4ssafh2
- SHA256 097ce089319fe404759f8b8ff5114489d2de2be1b987106d9029ee7ef34d9625
- MD5 3cec41a7e85791b9e5d54aba9fb022cb
- SHA1 ce04b260522132c191521962dcf9b26e20c2cecb
- SHA512 2a4a6b0a09f824e339466832d1aa90c40a56f8caa6c6779c0c5e06e99be78a3ac8fd27fbed8f8e2e2fde392e3a6c996389db912d327455a97a3e82bd4d118c13
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- Sakula Payload 2 IoCs
resource yara_rule behavioral2/files/0x000700000001e791-131.dat family_sakula behavioral2/files/0x000700000001e791-130.dat family_sakula - Executes dropped EXE 1 IoCs
pid Process 3220 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 097ce089319fe404759f8b8ff5114489d2de2be1b987106d9029ee7ef34d9625.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" 097ce089319fe404759f8b8ff5114489d2de2be1b987106d9029ee7ef34d9625.exe - Drops file in Windows directory 8 IoCs
description ioc Process 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 File opened for modification C:\Windows\SoftwareDistribution\ReportingEvents.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 3704 PING.EXE - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 3736 svchost.exe Token: SeCreatePagefilePrivilege 3736 svchost.exe Token: SeShutdownPrivilege 3736 svchost.exe Token: SeCreatePagefilePrivilege 3736 svchost.exe Token: SeShutdownPrivilege 3736 svchost.exe Token: SeCreatePagefilePrivilege 3736 svchost.exe Token: SeIncBasePriorityPrivilege 2684 097ce089319fe404759f8b8ff5114489d2de2be1b987106d9029ee7ef34d9625.exe Token: SeSecurityPrivilege 1808 TiWorker.exe Token: SeRestorePrivilege 1808 TiWorker.exe Token: SeBackupPrivilege 1808 TiWorker.exe Token: SeBackupPrivilege 1808 TiWorker.exe Token: SeRestorePrivilege 1808 TiWorker.exe Token: SeSecurityPrivilege 1808 TiWorker.exe Token: SeBackupPrivilege 1808 TiWorker.exe Token: SeRestorePrivilege 1808 TiWorker.exe Token: SeSecurityPrivilege 1808 TiWorker.exe Token: SeBackupPrivilege 1808 TiWorker.exe Token: SeRestorePrivilege 1808 TiWorker.exe Token: SeSecurityPrivilege 1808 TiWorker.exe Token: SeBackupPrivilege 1808 TiWorker.exe Token: SeRestorePrivilege 1808 TiWorker.exe Token: SeSecurityPrivilege 1808 TiWorker.exe Token: SeBackupPrivilege 1808 TiWorker.exe Token: SeRestorePrivilege 1808 TiWorker.exe Token: SeSecurityPrivilege 1808 TiWorker.exe Token: SeBackupPrivilege 1808 TiWorker.exe Token: SeRestorePrivilege 1808 TiWorker.exe Token: SeSecurityPrivilege 1808 TiWorker.exe Token: SeBackupPrivilege 1808 TiWorker.exe Token: SeRestorePrivilege 1808 TiWorker.exe Token: SeSecurityPrivilege 1808 TiWorker.exe Token: SeBackupPrivilege 1808 TiWorker.exe Token: SeRestorePrivilege 1808 TiWorker.exe Token: SeSecurityPrivilege 1808 TiWorker.exe Token: SeBackupPrivilege 1808 TiWorker.exe Token: SeRestorePrivilege 1808 TiWorker.exe Token: SeSecurityPrivilege 1808 TiWorker.exe Token: SeBackupPrivilege 1808 TiWorker.exe Token: SeRestorePrivilege 1808 TiWorker.exe Token: SeSecurityPrivilege 1808 TiWorker.exe Token: SeBackupPrivilege 1808 TiWorker.exe Token: SeRestorePrivilege 1808 TiWorker.exe Token: SeSecurityPrivilege 1808 TiWorker.exe Token: SeBackupPrivilege 1808 TiWorker.exe Token: SeRestorePrivilege 1808 TiWorker.exe Token: SeSecurityPrivilege 1808 TiWorker.exe Token: SeBackupPrivilege 1808 TiWorker.exe Token: SeRestorePrivilege 1808 TiWorker.exe Token: SeSecurityPrivilege 1808 TiWorker.exe Token: SeBackupPrivilege 1808 TiWorker.exe Token: SeRestorePrivilege 1808 TiWorker.exe Token: SeSecurityPrivilege 1808 TiWorker.exe Token: SeBackupPrivilege 1808 TiWorker.exe Token: SeRestorePrivilege 1808 TiWorker.exe Token: SeSecurityPrivilege 1808 TiWorker.exe Token: SeBackupPrivilege 1808 TiWorker.exe Token: SeRestorePrivilege 1808 TiWorker.exe Token: SeSecurityPrivilege 1808 TiWorker.exe Token: SeBackupPrivilege 1808 TiWorker.exe Token: SeRestorePrivilege 1808 TiWorker.exe Token: SeSecurityPrivilege 1808 TiWorker.exe Token: SeBackupPrivilege 1808 TiWorker.exe Token: SeRestorePrivilege 1808 TiWorker.exe Token: SeSecurityPrivilege 1808 TiWorker.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2684 wrote to memory of 3220 2684 097ce089319fe404759f8b8ff5114489d2de2be1b987106d9029ee7ef34d9625.exe 82 PID 2684 wrote to memory of 3220 2684 097ce089319fe404759f8b8ff5114489d2de2be1b987106d9029ee7ef34d9625.exe 82 PID 2684 wrote to memory of 3220 2684 097ce089319fe404759f8b8ff5114489d2de2be1b987106d9029ee7ef34d9625.exe 82 PID 2684 wrote to memory of 3620 2684 097ce089319fe404759f8b8ff5114489d2de2be1b987106d9029ee7ef34d9625.exe 96 PID 2684 wrote to memory of 3620 2684 097ce089319fe404759f8b8ff5114489d2de2be1b987106d9029ee7ef34d9625.exe 96 PID 2684 wrote to memory of 3620 2684 097ce089319fe404759f8b8ff5114489d2de2be1b987106d9029ee7ef34d9625.exe 96 PID 3620 wrote to memory of 3704 3620 cmd.exe 98 PID 3620 wrote to memory of 3704 3620 cmd.exe 98 PID 3620 wrote to memory of 3704 3620 cmd.exe 98
Processes
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C:\Users\Admin\AppData\Local\Temp\097ce089319fe404759f8b8ff5114489d2de2be1b987106d9029ee7ef34d9625.exe"C:\Users\Admin\AppData\Local\Temp\097ce089319fe404759f8b8ff5114489d2de2be1b987106d9029ee7ef34d9625.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2684 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3220
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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\097ce089319fe404759f8b8ff5114489d2de2be1b987106d9029ee7ef34d9625.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3620 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3704
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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:3736
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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:1808