Analysis
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max time kernel
131s -
max time network
169s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
12/02/2022, 06:40
Static task
static1
Behavioral task
behavioral1
Sample
0f54e81744a3d35d502d938afd9aab5823f0d46a9ca21a8c5362e9d394f3a631.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0f54e81744a3d35d502d938afd9aab5823f0d46a9ca21a8c5362e9d394f3a631.exe
Resource
win10v2004-en-20220113
General
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Target
0f54e81744a3d35d502d938afd9aab5823f0d46a9ca21a8c5362e9d394f3a631.exe
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Size
216KB
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MD5
f9bda4ecb85391683fddd9a5190dec4e
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SHA1
3841f8470fff474150bbf7254b182461d3eb8e29
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SHA256
0f54e81744a3d35d502d938afd9aab5823f0d46a9ca21a8c5362e9d394f3a631
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SHA512
094008ae5ce23b487d445bb664dfbdb56c095cc500dcc8aec4f67268520227c67d5924bf2a58ec479c18e5c9caff7198b2a098de47df3adc2f4859abfb28a4c8
Malware Config
Signatures
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Sakula Payload 4 IoCs
resource yara_rule behavioral2/files/0x000500000001e7ca-130.dat family_sakula behavioral2/files/0x000500000001e7ca-131.dat family_sakula behavioral2/memory/4868-135-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/4944-136-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula -
Executes dropped EXE 1 IoCs
pid Process 4944 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 0f54e81744a3d35d502d938afd9aab5823f0d46a9ca21a8c5362e9d394f3a631.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" 0f54e81744a3d35d502d938afd9aab5823f0d46a9ca21a8c5362e9d394f3a631.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.
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Runs ping.exe 1 TTPs 1 IoCs
pid Process 3240 PING.EXE -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 4276 svchost.exe Token: SeCreatePagefilePrivilege 4276 svchost.exe Token: SeShutdownPrivilege 4276 svchost.exe Token: SeCreatePagefilePrivilege 4276 svchost.exe Token: SeShutdownPrivilege 4276 svchost.exe Token: SeCreatePagefilePrivilege 4276 svchost.exe Token: SeIncBasePriorityPrivilege 4868 0f54e81744a3d35d502d938afd9aab5823f0d46a9ca21a8c5362e9d394f3a631.exe Token: SeSecurityPrivilege 3628 TiWorker.exe Token: SeRestorePrivilege 3628 TiWorker.exe Token: SeBackupPrivilege 3628 TiWorker.exe Token: SeBackupPrivilege 3628 TiWorker.exe Token: SeRestorePrivilege 3628 TiWorker.exe Token: SeSecurityPrivilege 3628 TiWorker.exe Token: SeBackupPrivilege 3628 TiWorker.exe Token: SeRestorePrivilege 3628 TiWorker.exe Token: SeSecurityPrivilege 3628 TiWorker.exe Token: SeBackupPrivilege 3628 TiWorker.exe Token: SeRestorePrivilege 3628 TiWorker.exe Token: SeSecurityPrivilege 3628 TiWorker.exe Token: SeBackupPrivilege 3628 TiWorker.exe Token: SeRestorePrivilege 3628 TiWorker.exe Token: SeSecurityPrivilege 3628 TiWorker.exe Token: SeBackupPrivilege 3628 TiWorker.exe Token: SeRestorePrivilege 3628 TiWorker.exe Token: SeSecurityPrivilege 3628 TiWorker.exe Token: SeBackupPrivilege 3628 TiWorker.exe Token: SeRestorePrivilege 3628 TiWorker.exe Token: SeSecurityPrivilege 3628 TiWorker.exe Token: SeBackupPrivilege 3628 TiWorker.exe Token: SeRestorePrivilege 3628 TiWorker.exe Token: SeSecurityPrivilege 3628 TiWorker.exe Token: SeBackupPrivilege 3628 TiWorker.exe Token: SeRestorePrivilege 3628 TiWorker.exe Token: SeSecurityPrivilege 3628 TiWorker.exe Token: SeBackupPrivilege 3628 TiWorker.exe Token: SeRestorePrivilege 3628 TiWorker.exe Token: SeSecurityPrivilege 3628 TiWorker.exe Token: SeBackupPrivilege 3628 TiWorker.exe Token: SeRestorePrivilege 3628 TiWorker.exe Token: SeSecurityPrivilege 3628 TiWorker.exe Token: SeBackupPrivilege 3628 TiWorker.exe Token: SeRestorePrivilege 3628 TiWorker.exe Token: SeSecurityPrivilege 3628 TiWorker.exe Token: SeBackupPrivilege 3628 TiWorker.exe Token: SeRestorePrivilege 3628 TiWorker.exe Token: SeSecurityPrivilege 3628 TiWorker.exe Token: SeBackupPrivilege 3628 TiWorker.exe Token: SeRestorePrivilege 3628 TiWorker.exe Token: SeSecurityPrivilege 3628 TiWorker.exe Token: SeBackupPrivilege 3628 TiWorker.exe Token: SeRestorePrivilege 3628 TiWorker.exe Token: SeSecurityPrivilege 3628 TiWorker.exe Token: SeBackupPrivilege 3628 TiWorker.exe Token: SeRestorePrivilege 3628 TiWorker.exe Token: SeSecurityPrivilege 3628 TiWorker.exe Token: SeBackupPrivilege 3628 TiWorker.exe Token: SeRestorePrivilege 3628 TiWorker.exe Token: SeSecurityPrivilege 3628 TiWorker.exe Token: SeBackupPrivilege 3628 TiWorker.exe Token: SeRestorePrivilege 3628 TiWorker.exe Token: SeSecurityPrivilege 3628 TiWorker.exe Token: SeBackupPrivilege 3628 TiWorker.exe Token: SeRestorePrivilege 3628 TiWorker.exe Token: SeSecurityPrivilege 3628 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4868 wrote to memory of 4944 4868 0f54e81744a3d35d502d938afd9aab5823f0d46a9ca21a8c5362e9d394f3a631.exe 82 PID 4868 wrote to memory of 4944 4868 0f54e81744a3d35d502d938afd9aab5823f0d46a9ca21a8c5362e9d394f3a631.exe 82 PID 4868 wrote to memory of 4944 4868 0f54e81744a3d35d502d938afd9aab5823f0d46a9ca21a8c5362e9d394f3a631.exe 82 PID 4868 wrote to memory of 2340 4868 0f54e81744a3d35d502d938afd9aab5823f0d46a9ca21a8c5362e9d394f3a631.exe 96 PID 4868 wrote to memory of 2340 4868 0f54e81744a3d35d502d938afd9aab5823f0d46a9ca21a8c5362e9d394f3a631.exe 96 PID 4868 wrote to memory of 2340 4868 0f54e81744a3d35d502d938afd9aab5823f0d46a9ca21a8c5362e9d394f3a631.exe 96 PID 2340 wrote to memory of 3240 2340 cmd.exe 98 PID 2340 wrote to memory of 3240 2340 cmd.exe 98 PID 2340 wrote to memory of 3240 2340 cmd.exe 98
Processes
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C:\Users\Admin\AppData\Local\Temp\0f54e81744a3d35d502d938afd9aab5823f0d46a9ca21a8c5362e9d394f3a631.exe"C:\Users\Admin\AppData\Local\Temp\0f54e81744a3d35d502d938afd9aab5823f0d46a9ca21a8c5362e9d394f3a631.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4868 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:4944
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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\0f54e81744a3d35d502d938afd9aab5823f0d46a9ca21a8c5362e9d394f3a631.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2340 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3240
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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:4276
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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:3628