Analysis
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max time kernel
161s -
max time network
182s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
12-02-2022 12:28
Static task
static1
Behavioral task
behavioral1
Sample
016855828cc5dace064e06912adc4e0b7c931a22387b25b75815eca8730bca0b.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
016855828cc5dace064e06912adc4e0b7c931a22387b25b75815eca8730bca0b.exe
Resource
win10v2004-en-20220113
General
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Target
016855828cc5dace064e06912adc4e0b7c931a22387b25b75815eca8730bca0b.exe
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Size
99KB
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MD5
0d2cabbecb80e3e61591bfc8d164d074
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SHA1
38b27000e6a9ff772448b9a5e65e60642446261e
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SHA256
016855828cc5dace064e06912adc4e0b7c931a22387b25b75815eca8730bca0b
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SHA512
6e7cae69f3bfcc51847e12dc250425ec52d4fecae2dd2fd61dc1bb9297e9795e0aa5e2ba6842355d020821b5338ec0ab8978c7dedc29ba79f27f137c8d5d0861
Malware Config
Signatures
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Sakula Payload 2 IoCs
resource yara_rule behavioral2/files/0x000600000001e7b0-133.dat family_sakula behavioral2/files/0x000600000001e7b0-134.dat family_sakula -
Executes dropped EXE 1 IoCs
pid Process 4592 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 016855828cc5dace064e06912adc4e0b7c931a22387b25b75815eca8730bca0b.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" 016855828cc5dace064e06912adc4e0b7c931a22387b25b75815eca8730bca0b.exe -
Drops file in Windows directory 8 IoCs
description ioc Process 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 File opened for modification C:\Windows\Logs\CBS\CBS.log TiWorker.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 2064 PING.EXE -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 4068 svchost.exe Token: SeCreatePagefilePrivilege 4068 svchost.exe Token: SeShutdownPrivilege 4068 svchost.exe Token: SeCreatePagefilePrivilege 4068 svchost.exe Token: SeShutdownPrivilege 4068 svchost.exe Token: SeCreatePagefilePrivilege 4068 svchost.exe Token: SeIncBasePriorityPrivilege 4616 016855828cc5dace064e06912adc4e0b7c931a22387b25b75815eca8730bca0b.exe Token: SeSecurityPrivilege 2624 TiWorker.exe Token: SeRestorePrivilege 2624 TiWorker.exe Token: SeBackupPrivilege 2624 TiWorker.exe Token: SeBackupPrivilege 2624 TiWorker.exe Token: SeRestorePrivilege 2624 TiWorker.exe Token: SeSecurityPrivilege 2624 TiWorker.exe Token: SeBackupPrivilege 2624 TiWorker.exe Token: SeRestorePrivilege 2624 TiWorker.exe Token: SeSecurityPrivilege 2624 TiWorker.exe Token: SeBackupPrivilege 2624 TiWorker.exe Token: SeRestorePrivilege 2624 TiWorker.exe Token: SeSecurityPrivilege 2624 TiWorker.exe Token: SeBackupPrivilege 2624 TiWorker.exe Token: SeRestorePrivilege 2624 TiWorker.exe Token: SeSecurityPrivilege 2624 TiWorker.exe Token: SeBackupPrivilege 2624 TiWorker.exe Token: SeRestorePrivilege 2624 TiWorker.exe Token: SeSecurityPrivilege 2624 TiWorker.exe Token: SeBackupPrivilege 2624 TiWorker.exe Token: SeRestorePrivilege 2624 TiWorker.exe Token: SeSecurityPrivilege 2624 TiWorker.exe Token: SeBackupPrivilege 2624 TiWorker.exe Token: SeRestorePrivilege 2624 TiWorker.exe Token: SeSecurityPrivilege 2624 TiWorker.exe Token: SeBackupPrivilege 2624 TiWorker.exe Token: SeRestorePrivilege 2624 TiWorker.exe Token: SeSecurityPrivilege 2624 TiWorker.exe Token: SeBackupPrivilege 2624 TiWorker.exe Token: SeRestorePrivilege 2624 TiWorker.exe Token: SeSecurityPrivilege 2624 TiWorker.exe Token: SeBackupPrivilege 2624 TiWorker.exe Token: SeRestorePrivilege 2624 TiWorker.exe Token: SeSecurityPrivilege 2624 TiWorker.exe Token: SeBackupPrivilege 2624 TiWorker.exe Token: SeRestorePrivilege 2624 TiWorker.exe Token: SeSecurityPrivilege 2624 TiWorker.exe Token: SeBackupPrivilege 2624 TiWorker.exe Token: SeRestorePrivilege 2624 TiWorker.exe Token: SeSecurityPrivilege 2624 TiWorker.exe Token: SeBackupPrivilege 2624 TiWorker.exe Token: SeRestorePrivilege 2624 TiWorker.exe Token: SeSecurityPrivilege 2624 TiWorker.exe Token: SeBackupPrivilege 2624 TiWorker.exe Token: SeRestorePrivilege 2624 TiWorker.exe Token: SeSecurityPrivilege 2624 TiWorker.exe Token: SeBackupPrivilege 2624 TiWorker.exe Token: SeRestorePrivilege 2624 TiWorker.exe Token: SeSecurityPrivilege 2624 TiWorker.exe Token: SeBackupPrivilege 2624 TiWorker.exe Token: SeRestorePrivilege 2624 TiWorker.exe Token: SeSecurityPrivilege 2624 TiWorker.exe Token: SeBackupPrivilege 2624 TiWorker.exe Token: SeRestorePrivilege 2624 TiWorker.exe Token: SeSecurityPrivilege 2624 TiWorker.exe Token: SeBackupPrivilege 2624 TiWorker.exe Token: SeRestorePrivilege 2624 TiWorker.exe Token: SeSecurityPrivilege 2624 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4616 wrote to memory of 4592 4616 016855828cc5dace064e06912adc4e0b7c931a22387b25b75815eca8730bca0b.exe 82 PID 4616 wrote to memory of 4592 4616 016855828cc5dace064e06912adc4e0b7c931a22387b25b75815eca8730bca0b.exe 82 PID 4616 wrote to memory of 4592 4616 016855828cc5dace064e06912adc4e0b7c931a22387b25b75815eca8730bca0b.exe 82 PID 4616 wrote to memory of 1852 4616 016855828cc5dace064e06912adc4e0b7c931a22387b25b75815eca8730bca0b.exe 98 PID 4616 wrote to memory of 1852 4616 016855828cc5dace064e06912adc4e0b7c931a22387b25b75815eca8730bca0b.exe 98 PID 4616 wrote to memory of 1852 4616 016855828cc5dace064e06912adc4e0b7c931a22387b25b75815eca8730bca0b.exe 98 PID 1852 wrote to memory of 2064 1852 cmd.exe 100 PID 1852 wrote to memory of 2064 1852 cmd.exe 100 PID 1852 wrote to memory of 2064 1852 cmd.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\016855828cc5dace064e06912adc4e0b7c931a22387b25b75815eca8730bca0b.exe"C:\Users\Admin\AppData\Local\Temp\016855828cc5dace064e06912adc4e0b7c931a22387b25b75815eca8730bca0b.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4616 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:4592
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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\016855828cc5dace064e06912adc4e0b7c931a22387b25b75815eca8730bca0b.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1852 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2064
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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:4068
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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:2624