Analysis
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max time kernel
164s -
max time network
168s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
12-02-2022 12:07
Static task
static1
Behavioral task
behavioral1
Sample
0273ba88e2a095b47a1d6ad432e24414860347a209f4ff3a50d74e80f83eb425.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0273ba88e2a095b47a1d6ad432e24414860347a209f4ff3a50d74e80f83eb425.exe
Resource
win10v2004-en-20220113
General
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Target
0273ba88e2a095b47a1d6ad432e24414860347a209f4ff3a50d74e80f83eb425.exe
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Size
216KB
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MD5
f8f0560a499459d9c92605a08e8ec6a9
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SHA1
7e11931757735d1b6e352c32efc8c5b5f32d3e61
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SHA256
0273ba88e2a095b47a1d6ad432e24414860347a209f4ff3a50d74e80f83eb425
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SHA512
9b2cf92121de613ed7d13a72ffc6a2e262ba7e52460e98758b9a73a99d4efb005b209f6b9b31a16d539b96c5ae3ae4a6c3c89dfccebc96aa9e79a29df9f65e8f
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/4688-135-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/1052-136-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 1052 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0273ba88e2a095b47a1d6ad432e24414860347a209f4ff3a50d74e80f83eb425.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation 0273ba88e2a095b47a1d6ad432e24414860347a209f4ff3a50d74e80f83eb425.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0273ba88e2a095b47a1d6ad432e24414860347a209f4ff3a50d74e80f83eb425.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0273ba88e2a095b47a1d6ad432e24414860347a209f4ff3a50d74e80f83eb425.exe -
Drops file in Windows directory 8 IoCs
Processes:
svchost.exeTiWorker.exedescription ioc process 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 File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.edb 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
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
svchost.exe0273ba88e2a095b47a1d6ad432e24414860347a209f4ff3a50d74e80f83eb425.exeTiWorker.exedescription pid process Token: SeShutdownPrivilege 5064 svchost.exe Token: SeCreatePagefilePrivilege 5064 svchost.exe Token: SeShutdownPrivilege 5064 svchost.exe Token: SeCreatePagefilePrivilege 5064 svchost.exe Token: SeShutdownPrivilege 5064 svchost.exe Token: SeCreatePagefilePrivilege 5064 svchost.exe Token: SeIncBasePriorityPrivilege 4688 0273ba88e2a095b47a1d6ad432e24414860347a209f4ff3a50d74e80f83eb425.exe Token: SeSecurityPrivilege 5032 TiWorker.exe Token: SeRestorePrivilege 5032 TiWorker.exe Token: SeBackupPrivilege 5032 TiWorker.exe Token: SeBackupPrivilege 5032 TiWorker.exe Token: SeRestorePrivilege 5032 TiWorker.exe Token: SeSecurityPrivilege 5032 TiWorker.exe Token: SeBackupPrivilege 5032 TiWorker.exe Token: SeRestorePrivilege 5032 TiWorker.exe Token: SeSecurityPrivilege 5032 TiWorker.exe Token: SeBackupPrivilege 5032 TiWorker.exe Token: SeRestorePrivilege 5032 TiWorker.exe Token: SeSecurityPrivilege 5032 TiWorker.exe Token: SeBackupPrivilege 5032 TiWorker.exe Token: SeRestorePrivilege 5032 TiWorker.exe Token: SeSecurityPrivilege 5032 TiWorker.exe Token: SeBackupPrivilege 5032 TiWorker.exe Token: SeRestorePrivilege 5032 TiWorker.exe Token: SeSecurityPrivilege 5032 TiWorker.exe Token: SeBackupPrivilege 5032 TiWorker.exe Token: SeRestorePrivilege 5032 TiWorker.exe Token: SeSecurityPrivilege 5032 TiWorker.exe Token: SeBackupPrivilege 5032 TiWorker.exe Token: SeRestorePrivilege 5032 TiWorker.exe Token: SeSecurityPrivilege 5032 TiWorker.exe Token: SeBackupPrivilege 5032 TiWorker.exe Token: SeRestorePrivilege 5032 TiWorker.exe Token: SeSecurityPrivilege 5032 TiWorker.exe Token: SeBackupPrivilege 5032 TiWorker.exe Token: SeRestorePrivilege 5032 TiWorker.exe Token: SeSecurityPrivilege 5032 TiWorker.exe Token: SeBackupPrivilege 5032 TiWorker.exe Token: SeRestorePrivilege 5032 TiWorker.exe Token: SeSecurityPrivilege 5032 TiWorker.exe Token: SeBackupPrivilege 5032 TiWorker.exe Token: SeRestorePrivilege 5032 TiWorker.exe Token: SeSecurityPrivilege 5032 TiWorker.exe Token: SeBackupPrivilege 5032 TiWorker.exe Token: SeRestorePrivilege 5032 TiWorker.exe Token: SeSecurityPrivilege 5032 TiWorker.exe Token: SeBackupPrivilege 5032 TiWorker.exe Token: SeRestorePrivilege 5032 TiWorker.exe Token: SeSecurityPrivilege 5032 TiWorker.exe Token: SeBackupPrivilege 5032 TiWorker.exe Token: SeRestorePrivilege 5032 TiWorker.exe Token: SeSecurityPrivilege 5032 TiWorker.exe Token: SeBackupPrivilege 5032 TiWorker.exe Token: SeRestorePrivilege 5032 TiWorker.exe Token: SeSecurityPrivilege 5032 TiWorker.exe Token: SeBackupPrivilege 5032 TiWorker.exe Token: SeRestorePrivilege 5032 TiWorker.exe Token: SeSecurityPrivilege 5032 TiWorker.exe Token: SeBackupPrivilege 5032 TiWorker.exe Token: SeRestorePrivilege 5032 TiWorker.exe Token: SeSecurityPrivilege 5032 TiWorker.exe Token: SeBackupPrivilege 5032 TiWorker.exe Token: SeRestorePrivilege 5032 TiWorker.exe Token: SeSecurityPrivilege 5032 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0273ba88e2a095b47a1d6ad432e24414860347a209f4ff3a50d74e80f83eb425.execmd.exedescription pid process target process PID 4688 wrote to memory of 1052 4688 0273ba88e2a095b47a1d6ad432e24414860347a209f4ff3a50d74e80f83eb425.exe MediaCenter.exe PID 4688 wrote to memory of 1052 4688 0273ba88e2a095b47a1d6ad432e24414860347a209f4ff3a50d74e80f83eb425.exe MediaCenter.exe PID 4688 wrote to memory of 1052 4688 0273ba88e2a095b47a1d6ad432e24414860347a209f4ff3a50d74e80f83eb425.exe MediaCenter.exe PID 4688 wrote to memory of 3608 4688 0273ba88e2a095b47a1d6ad432e24414860347a209f4ff3a50d74e80f83eb425.exe cmd.exe PID 4688 wrote to memory of 3608 4688 0273ba88e2a095b47a1d6ad432e24414860347a209f4ff3a50d74e80f83eb425.exe cmd.exe PID 4688 wrote to memory of 3608 4688 0273ba88e2a095b47a1d6ad432e24414860347a209f4ff3a50d74e80f83eb425.exe cmd.exe PID 3608 wrote to memory of 2184 3608 cmd.exe PING.EXE PID 3608 wrote to memory of 2184 3608 cmd.exe PING.EXE PID 3608 wrote to memory of 2184 3608 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0273ba88e2a095b47a1d6ad432e24414860347a209f4ff3a50d74e80f83eb425.exe"C:\Users\Admin\AppData\Local\Temp\0273ba88e2a095b47a1d6ad432e24414860347a209f4ff3a50d74e80f83eb425.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4688 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1052 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0273ba88e2a095b47a1d6ad432e24414860347a209f4ff3a50d74e80f83eb425.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3608 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2184
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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:5064
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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:5032
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
6889b992de9bc93d58f54f74c9734aa4
SHA1bee06454d022763fab3a5ea786b3609a104e06e6
SHA2564d498a5e009ae396924b9917c259f5b8c0405ccc65839346e3012c0fbbfa96f3
SHA512164573212d462a9461c75e60fd9cfc5d37329b573deb6f986062ba25291bf9d99175b2692d9201b0e7d2378c7f87ceca5e0141f83e153be3714953e019f69f66
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
6889b992de9bc93d58f54f74c9734aa4
SHA1bee06454d022763fab3a5ea786b3609a104e06e6
SHA2564d498a5e009ae396924b9917c259f5b8c0405ccc65839346e3012c0fbbfa96f3
SHA512164573212d462a9461c75e60fd9cfc5d37329b573deb6f986062ba25291bf9d99175b2692d9201b0e7d2378c7f87ceca5e0141f83e153be3714953e019f69f66
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memory/1052-136-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/4688-135-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/5064-132-0x00000234AC960000-0x00000234AC970000-memory.dmpFilesize
64KB
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memory/5064-133-0x00000234ACF20000-0x00000234ACF30000-memory.dmpFilesize
64KB
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memory/5064-134-0x00000234AF5C0000-0x00000234AF5C4000-memory.dmpFilesize
16KB