Analysis
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max time kernel
148s -
max time network
173s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
12/02/2022, 06:38
Static task
static1
Behavioral task
behavioral1
Sample
0f6ebe9c0d86969117a75238bb51ecf4d2e73a2efdb503bd7d7aa2eb392b813a.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0f6ebe9c0d86969117a75238bb51ecf4d2e73a2efdb503bd7d7aa2eb392b813a.exe
Resource
win10v2004-en-20220113
General
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Target
0f6ebe9c0d86969117a75238bb51ecf4d2e73a2efdb503bd7d7aa2eb392b813a.exe
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Size
80KB
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MD5
8d842edb121e09b42191396ceb0983c5
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SHA1
4d65c006350f7dc147ba3ee0a740920a64882d3f
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SHA256
0f6ebe9c0d86969117a75238bb51ecf4d2e73a2efdb503bd7d7aa2eb392b813a
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SHA512
fae5527e9be929fada94ebcb9849d406fec1aded418cbcf05c63202e2b857e5db5d51cd11872ea32cc5ac68ef0a1861f5f90684f2b78e21ed1a9b30b756f9405
Malware Config
Signatures
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Sakula Payload 2 IoCs
resource yara_rule behavioral2/files/0x000600000001e7b6-130.dat family_sakula behavioral2/files/0x000600000001e7b6-131.dat family_sakula -
Executes dropped EXE 1 IoCs
pid Process 4456 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 0f6ebe9c0d86969117a75238bb51ecf4d2e73a2efdb503bd7d7aa2eb392b813a.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" 0f6ebe9c0d86969117a75238bb51ecf4d2e73a2efdb503bd7d7aa2eb392b813a.exe -
Drops file in Windows directory 8 IoCs
description ioc Process 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 File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log svchost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Runs ping.exe 1 TTPs 1 IoCs
pid Process 116 PING.EXE -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 3896 0f6ebe9c0d86969117a75238bb51ecf4d2e73a2efdb503bd7d7aa2eb392b813a.exe Token: SeShutdownPrivilege 2176 svchost.exe Token: SeCreatePagefilePrivilege 2176 svchost.exe Token: SeShutdownPrivilege 2176 svchost.exe Token: SeCreatePagefilePrivilege 2176 svchost.exe Token: SeShutdownPrivilege 2176 svchost.exe Token: SeCreatePagefilePrivilege 2176 svchost.exe Token: SeSecurityPrivilege 988 TiWorker.exe Token: SeRestorePrivilege 988 TiWorker.exe Token: SeBackupPrivilege 988 TiWorker.exe Token: SeBackupPrivilege 988 TiWorker.exe Token: SeRestorePrivilege 988 TiWorker.exe Token: SeSecurityPrivilege 988 TiWorker.exe Token: SeBackupPrivilege 988 TiWorker.exe Token: SeRestorePrivilege 988 TiWorker.exe Token: SeSecurityPrivilege 988 TiWorker.exe Token: SeBackupPrivilege 988 TiWorker.exe Token: SeRestorePrivilege 988 TiWorker.exe Token: SeSecurityPrivilege 988 TiWorker.exe Token: SeBackupPrivilege 988 TiWorker.exe Token: SeRestorePrivilege 988 TiWorker.exe Token: SeSecurityPrivilege 988 TiWorker.exe Token: SeBackupPrivilege 988 TiWorker.exe Token: SeRestorePrivilege 988 TiWorker.exe Token: SeSecurityPrivilege 988 TiWorker.exe Token: SeBackupPrivilege 988 TiWorker.exe Token: SeRestorePrivilege 988 TiWorker.exe Token: SeSecurityPrivilege 988 TiWorker.exe Token: SeBackupPrivilege 988 TiWorker.exe Token: SeRestorePrivilege 988 TiWorker.exe Token: SeSecurityPrivilege 988 TiWorker.exe Token: SeBackupPrivilege 988 TiWorker.exe Token: SeRestorePrivilege 988 TiWorker.exe Token: SeSecurityPrivilege 988 TiWorker.exe Token: SeBackupPrivilege 988 TiWorker.exe Token: SeRestorePrivilege 988 TiWorker.exe Token: SeSecurityPrivilege 988 TiWorker.exe Token: SeBackupPrivilege 988 TiWorker.exe Token: SeRestorePrivilege 988 TiWorker.exe Token: SeSecurityPrivilege 988 TiWorker.exe Token: SeBackupPrivilege 988 TiWorker.exe Token: SeRestorePrivilege 988 TiWorker.exe Token: SeSecurityPrivilege 988 TiWorker.exe Token: SeBackupPrivilege 988 TiWorker.exe Token: SeRestorePrivilege 988 TiWorker.exe Token: SeSecurityPrivilege 988 TiWorker.exe Token: SeBackupPrivilege 988 TiWorker.exe Token: SeRestorePrivilege 988 TiWorker.exe Token: SeSecurityPrivilege 988 TiWorker.exe Token: SeBackupPrivilege 988 TiWorker.exe Token: SeRestorePrivilege 988 TiWorker.exe Token: SeSecurityPrivilege 988 TiWorker.exe Token: SeBackupPrivilege 988 TiWorker.exe Token: SeRestorePrivilege 988 TiWorker.exe Token: SeSecurityPrivilege 988 TiWorker.exe Token: SeBackupPrivilege 988 TiWorker.exe Token: SeRestorePrivilege 988 TiWorker.exe Token: SeSecurityPrivilege 988 TiWorker.exe Token: SeBackupPrivilege 988 TiWorker.exe Token: SeRestorePrivilege 988 TiWorker.exe Token: SeSecurityPrivilege 988 TiWorker.exe Token: SeBackupPrivilege 988 TiWorker.exe Token: SeRestorePrivilege 988 TiWorker.exe Token: SeSecurityPrivilege 988 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3896 wrote to memory of 4456 3896 0f6ebe9c0d86969117a75238bb51ecf4d2e73a2efdb503bd7d7aa2eb392b813a.exe 81 PID 3896 wrote to memory of 4456 3896 0f6ebe9c0d86969117a75238bb51ecf4d2e73a2efdb503bd7d7aa2eb392b813a.exe 81 PID 3896 wrote to memory of 4456 3896 0f6ebe9c0d86969117a75238bb51ecf4d2e73a2efdb503bd7d7aa2eb392b813a.exe 81 PID 3896 wrote to memory of 3392 3896 0f6ebe9c0d86969117a75238bb51ecf4d2e73a2efdb503bd7d7aa2eb392b813a.exe 88 PID 3896 wrote to memory of 3392 3896 0f6ebe9c0d86969117a75238bb51ecf4d2e73a2efdb503bd7d7aa2eb392b813a.exe 88 PID 3896 wrote to memory of 3392 3896 0f6ebe9c0d86969117a75238bb51ecf4d2e73a2efdb503bd7d7aa2eb392b813a.exe 88 PID 3392 wrote to memory of 116 3392 cmd.exe 90 PID 3392 wrote to memory of 116 3392 cmd.exe 90 PID 3392 wrote to memory of 116 3392 cmd.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\0f6ebe9c0d86969117a75238bb51ecf4d2e73a2efdb503bd7d7aa2eb392b813a.exe"C:\Users\Admin\AppData\Local\Temp\0f6ebe9c0d86969117a75238bb51ecf4d2e73a2efdb503bd7d7aa2eb392b813a.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3896 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:4456
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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\0f6ebe9c0d86969117a75238bb51ecf4d2e73a2efdb503bd7d7aa2eb392b813a.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3392 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:116
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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:2176
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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:988