Analysis
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max time kernel
158s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
12-02-2022 03:39
Static task
static1
Behavioral task
behavioral1
Sample
170ca9d758cc67ed71a8c5bfd1eb0c50bc4da672046496160932df776576cd3b.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
170ca9d758cc67ed71a8c5bfd1eb0c50bc4da672046496160932df776576cd3b.exe
Resource
win10v2004-en-20220113
General
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Target
170ca9d758cc67ed71a8c5bfd1eb0c50bc4da672046496160932df776576cd3b.exe
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Size
216KB
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MD5
a0d63079f81d6c5f5326ca10064dd7de
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SHA1
72052adec7eee9e4fdc9e4c4a24dea876803c6cc
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SHA256
170ca9d758cc67ed71a8c5bfd1eb0c50bc4da672046496160932df776576cd3b
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SHA512
f283699fbe84ea04fbb148e332430cc16e4469545c46f61be65549ea772a71b60d89e2b17458810dc8c21649d60c46c890fface058f2b3e19a8cc975fe7912d6
Malware Config
Signatures
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Sakula Payload 4 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe family_sakula C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe family_sakula behavioral2/memory/908-136-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/1440-137-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula -
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
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suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 1440 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
170ca9d758cc67ed71a8c5bfd1eb0c50bc4da672046496160932df776576cd3b.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation 170ca9d758cc67ed71a8c5bfd1eb0c50bc4da672046496160932df776576cd3b.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
170ca9d758cc67ed71a8c5bfd1eb0c50bc4da672046496160932df776576cd3b.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 170ca9d758cc67ed71a8c5bfd1eb0c50bc4da672046496160932df776576cd3b.exe -
Drops file in Windows directory 8 IoCs
Processes:
svchost.exeTiWorker.exedescription ioc process 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 File opened for modification C:\Windows\WinSxS\pending.xml 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
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
svchost.exeTiWorker.exedescription pid process Token: SeShutdownPrivilege 2788 svchost.exe Token: SeCreatePagefilePrivilege 2788 svchost.exe Token: SeShutdownPrivilege 2788 svchost.exe Token: SeCreatePagefilePrivilege 2788 svchost.exe Token: SeShutdownPrivilege 2788 svchost.exe Token: SeCreatePagefilePrivilege 2788 svchost.exe Token: SeSecurityPrivilege 4644 TiWorker.exe Token: SeRestorePrivilege 4644 TiWorker.exe Token: SeBackupPrivilege 4644 TiWorker.exe Token: SeBackupPrivilege 4644 TiWorker.exe Token: SeRestorePrivilege 4644 TiWorker.exe Token: SeSecurityPrivilege 4644 TiWorker.exe Token: SeBackupPrivilege 4644 TiWorker.exe Token: SeRestorePrivilege 4644 TiWorker.exe Token: SeSecurityPrivilege 4644 TiWorker.exe Token: SeBackupPrivilege 4644 TiWorker.exe Token: SeRestorePrivilege 4644 TiWorker.exe Token: SeSecurityPrivilege 4644 TiWorker.exe Token: SeBackupPrivilege 4644 TiWorker.exe Token: SeRestorePrivilege 4644 TiWorker.exe Token: SeSecurityPrivilege 4644 TiWorker.exe Token: SeBackupPrivilege 4644 TiWorker.exe Token: SeRestorePrivilege 4644 TiWorker.exe Token: SeSecurityPrivilege 4644 TiWorker.exe Token: SeBackupPrivilege 4644 TiWorker.exe Token: SeRestorePrivilege 4644 TiWorker.exe Token: SeSecurityPrivilege 4644 TiWorker.exe Token: SeBackupPrivilege 4644 TiWorker.exe Token: SeRestorePrivilege 4644 TiWorker.exe Token: SeSecurityPrivilege 4644 TiWorker.exe Token: SeBackupPrivilege 4644 TiWorker.exe Token: SeRestorePrivilege 4644 TiWorker.exe Token: SeSecurityPrivilege 4644 TiWorker.exe Token: SeBackupPrivilege 4644 TiWorker.exe Token: SeRestorePrivilege 4644 TiWorker.exe Token: SeSecurityPrivilege 4644 TiWorker.exe Token: SeBackupPrivilege 4644 TiWorker.exe Token: SeRestorePrivilege 4644 TiWorker.exe Token: SeSecurityPrivilege 4644 TiWorker.exe Token: SeBackupPrivilege 4644 TiWorker.exe Token: SeRestorePrivilege 4644 TiWorker.exe Token: SeSecurityPrivilege 4644 TiWorker.exe Token: SeBackupPrivilege 4644 TiWorker.exe Token: SeRestorePrivilege 4644 TiWorker.exe Token: SeSecurityPrivilege 4644 TiWorker.exe Token: SeBackupPrivilege 4644 TiWorker.exe Token: SeRestorePrivilege 4644 TiWorker.exe Token: SeSecurityPrivilege 4644 TiWorker.exe Token: SeBackupPrivilege 4644 TiWorker.exe Token: SeRestorePrivilege 4644 TiWorker.exe Token: SeSecurityPrivilege 4644 TiWorker.exe Token: SeBackupPrivilege 4644 TiWorker.exe Token: SeRestorePrivilege 4644 TiWorker.exe Token: SeSecurityPrivilege 4644 TiWorker.exe Token: SeBackupPrivilege 4644 TiWorker.exe Token: SeRestorePrivilege 4644 TiWorker.exe Token: SeSecurityPrivilege 4644 TiWorker.exe Token: SeBackupPrivilege 4644 TiWorker.exe Token: SeRestorePrivilege 4644 TiWorker.exe Token: SeSecurityPrivilege 4644 TiWorker.exe Token: SeBackupPrivilege 4644 TiWorker.exe Token: SeRestorePrivilege 4644 TiWorker.exe Token: SeSecurityPrivilege 4644 TiWorker.exe Token: SeBackupPrivilege 4644 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
170ca9d758cc67ed71a8c5bfd1eb0c50bc4da672046496160932df776576cd3b.execmd.exedescription pid process target process PID 908 wrote to memory of 1440 908 170ca9d758cc67ed71a8c5bfd1eb0c50bc4da672046496160932df776576cd3b.exe MediaCenter.exe PID 908 wrote to memory of 1440 908 170ca9d758cc67ed71a8c5bfd1eb0c50bc4da672046496160932df776576cd3b.exe MediaCenter.exe PID 908 wrote to memory of 1440 908 170ca9d758cc67ed71a8c5bfd1eb0c50bc4da672046496160932df776576cd3b.exe MediaCenter.exe PID 908 wrote to memory of 4428 908 170ca9d758cc67ed71a8c5bfd1eb0c50bc4da672046496160932df776576cd3b.exe cmd.exe PID 908 wrote to memory of 4428 908 170ca9d758cc67ed71a8c5bfd1eb0c50bc4da672046496160932df776576cd3b.exe cmd.exe PID 908 wrote to memory of 4428 908 170ca9d758cc67ed71a8c5bfd1eb0c50bc4da672046496160932df776576cd3b.exe cmd.exe PID 4428 wrote to memory of 3068 4428 cmd.exe PING.EXE PID 4428 wrote to memory of 3068 4428 cmd.exe PING.EXE PID 4428 wrote to memory of 3068 4428 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\170ca9d758cc67ed71a8c5bfd1eb0c50bc4da672046496160932df776576cd3b.exe"C:\Users\Admin\AppData\Local\Temp\170ca9d758cc67ed71a8c5bfd1eb0c50bc4da672046496160932df776576cd3b.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:908 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1440 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\170ca9d758cc67ed71a8c5bfd1eb0c50bc4da672046496160932df776576cd3b.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:4428 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3068
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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:2788
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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:4644
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
eafa35d62f80ee4de81b5499b205fc7d
SHA1b71aa8fea47e70b833ebb2d0252f122c112d47ff
SHA256a881bc270c616f7ec404d80ae91b14dec8e0b17c67e27b26c7a9a131ce010ba4
SHA512e9379d28ff634a0593824a5971ba31603aa3249bd90a0f3ff94ef9d1a32e4c57220b145a2fa76a43768d5e99eaf1c06381d5b22015858140055850bad4717e00
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MD5
eafa35d62f80ee4de81b5499b205fc7d
SHA1b71aa8fea47e70b833ebb2d0252f122c112d47ff
SHA256a881bc270c616f7ec404d80ae91b14dec8e0b17c67e27b26c7a9a131ce010ba4
SHA512e9379d28ff634a0593824a5971ba31603aa3249bd90a0f3ff94ef9d1a32e4c57220b145a2fa76a43768d5e99eaf1c06381d5b22015858140055850bad4717e00