Analysis
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max time kernel
142s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
12-02-2022 04:47
Static task
static1
Behavioral task
behavioral1
Sample
146ec30bff04ed60a7c9662a601fce2f158e2d70850ee48825ad74020018b584.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
146ec30bff04ed60a7c9662a601fce2f158e2d70850ee48825ad74020018b584.exe
Resource
win10v2004-en-20220113
General
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Target
146ec30bff04ed60a7c9662a601fce2f158e2d70850ee48825ad74020018b584.exe
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Size
150KB
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MD5
bc8e82789e116de71f67f2cf76ee1613
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SHA1
003c5f3344766842e06368787704188e4646cd3f
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SHA256
146ec30bff04ed60a7c9662a601fce2f158e2d70850ee48825ad74020018b584
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SHA512
db6be4fcf9fa6512fdf7aa860ae7a5341887e43da240b1e369f563255df949f0a7383ed769abff1ef969882df4637699122dd61eff41dc02d53678be1f992a81
Malware Config
Signatures
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Sakula Payload 2 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 -
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 4584 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
146ec30bff04ed60a7c9662a601fce2f158e2d70850ee48825ad74020018b584.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation 146ec30bff04ed60a7c9662a601fce2f158e2d70850ee48825ad74020018b584.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
146ec30bff04ed60a7c9662a601fce2f158e2d70850ee48825ad74020018b584.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 146ec30bff04ed60a7c9662a601fce2f158e2d70850ee48825ad74020018b584.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.exe146ec30bff04ed60a7c9662a601fce2f158e2d70850ee48825ad74020018b584.exedescription pid process Token: SeShutdownPrivilege 4512 svchost.exe Token: SeCreatePagefilePrivilege 4512 svchost.exe Token: SeShutdownPrivilege 4512 svchost.exe Token: SeCreatePagefilePrivilege 4512 svchost.exe Token: SeShutdownPrivilege 4512 svchost.exe Token: SeCreatePagefilePrivilege 4512 svchost.exe Token: SeSecurityPrivilege 4216 TiWorker.exe Token: SeRestorePrivilege 4216 TiWorker.exe Token: SeBackupPrivilege 4216 TiWorker.exe Token: SeBackupPrivilege 4216 TiWorker.exe Token: SeRestorePrivilege 4216 TiWorker.exe Token: SeSecurityPrivilege 4216 TiWorker.exe Token: SeBackupPrivilege 4216 TiWorker.exe Token: SeRestorePrivilege 4216 TiWorker.exe Token: SeSecurityPrivilege 4216 TiWorker.exe Token: SeBackupPrivilege 4216 TiWorker.exe Token: SeRestorePrivilege 4216 TiWorker.exe Token: SeSecurityPrivilege 4216 TiWorker.exe Token: SeBackupPrivilege 4216 TiWorker.exe Token: SeRestorePrivilege 4216 TiWorker.exe Token: SeSecurityPrivilege 4216 TiWorker.exe Token: SeBackupPrivilege 4216 TiWorker.exe Token: SeRestorePrivilege 4216 TiWorker.exe Token: SeSecurityPrivilege 4216 TiWorker.exe Token: SeBackupPrivilege 4216 TiWorker.exe Token: SeRestorePrivilege 4216 TiWorker.exe Token: SeSecurityPrivilege 4216 TiWorker.exe Token: SeBackupPrivilege 4216 TiWorker.exe Token: SeRestorePrivilege 4216 TiWorker.exe Token: SeSecurityPrivilege 4216 TiWorker.exe Token: SeBackupPrivilege 4216 TiWorker.exe Token: SeRestorePrivilege 4216 TiWorker.exe Token: SeSecurityPrivilege 4216 TiWorker.exe Token: SeBackupPrivilege 4216 TiWorker.exe Token: SeRestorePrivilege 4216 TiWorker.exe Token: SeSecurityPrivilege 4216 TiWorker.exe Token: SeBackupPrivilege 4216 TiWorker.exe Token: SeRestorePrivilege 4216 TiWorker.exe Token: SeSecurityPrivilege 4216 TiWorker.exe Token: SeIncBasePriorityPrivilege 4608 146ec30bff04ed60a7c9662a601fce2f158e2d70850ee48825ad74020018b584.exe Token: SeBackupPrivilege 4216 TiWorker.exe Token: SeRestorePrivilege 4216 TiWorker.exe Token: SeSecurityPrivilege 4216 TiWorker.exe Token: SeBackupPrivilege 4216 TiWorker.exe Token: SeRestorePrivilege 4216 TiWorker.exe Token: SeSecurityPrivilege 4216 TiWorker.exe Token: SeBackupPrivilege 4216 TiWorker.exe Token: SeRestorePrivilege 4216 TiWorker.exe Token: SeSecurityPrivilege 4216 TiWorker.exe Token: SeBackupPrivilege 4216 TiWorker.exe Token: SeRestorePrivilege 4216 TiWorker.exe Token: SeSecurityPrivilege 4216 TiWorker.exe Token: SeBackupPrivilege 4216 TiWorker.exe Token: SeRestorePrivilege 4216 TiWorker.exe Token: SeSecurityPrivilege 4216 TiWorker.exe Token: SeBackupPrivilege 4216 TiWorker.exe Token: SeRestorePrivilege 4216 TiWorker.exe Token: SeSecurityPrivilege 4216 TiWorker.exe Token: SeBackupPrivilege 4216 TiWorker.exe Token: SeRestorePrivilege 4216 TiWorker.exe Token: SeSecurityPrivilege 4216 TiWorker.exe Token: SeBackupPrivilege 4216 TiWorker.exe Token: SeRestorePrivilege 4216 TiWorker.exe Token: SeSecurityPrivilege 4216 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
146ec30bff04ed60a7c9662a601fce2f158e2d70850ee48825ad74020018b584.execmd.exedescription pid process target process PID 4608 wrote to memory of 4584 4608 146ec30bff04ed60a7c9662a601fce2f158e2d70850ee48825ad74020018b584.exe MediaCenter.exe PID 4608 wrote to memory of 4584 4608 146ec30bff04ed60a7c9662a601fce2f158e2d70850ee48825ad74020018b584.exe MediaCenter.exe PID 4608 wrote to memory of 4584 4608 146ec30bff04ed60a7c9662a601fce2f158e2d70850ee48825ad74020018b584.exe MediaCenter.exe PID 4608 wrote to memory of 3732 4608 146ec30bff04ed60a7c9662a601fce2f158e2d70850ee48825ad74020018b584.exe cmd.exe PID 4608 wrote to memory of 3732 4608 146ec30bff04ed60a7c9662a601fce2f158e2d70850ee48825ad74020018b584.exe cmd.exe PID 4608 wrote to memory of 3732 4608 146ec30bff04ed60a7c9662a601fce2f158e2d70850ee48825ad74020018b584.exe cmd.exe PID 3732 wrote to memory of 1440 3732 cmd.exe PING.EXE PID 3732 wrote to memory of 1440 3732 cmd.exe PING.EXE PID 3732 wrote to memory of 1440 3732 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\146ec30bff04ed60a7c9662a601fce2f158e2d70850ee48825ad74020018b584.exe"C:\Users\Admin\AppData\Local\Temp\146ec30bff04ed60a7c9662a601fce2f158e2d70850ee48825ad74020018b584.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4608 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:4584 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\146ec30bff04ed60a7c9662a601fce2f158e2d70850ee48825ad74020018b584.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3732 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1440
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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:4512
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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:4216
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
db412c1a5a82e1657ad977f70c4aa91d
SHA11655e9ec665dcf728b9a34172583161592912e5f
SHA25604b978d39f39b12079083fe1d10610fcb9b44b023e278eaede3e6e2a4b5e059f
SHA51220944385a94ab7c2b790dd53cf91eef3c17b8a7447f807e897f8b0b97606fe81fcd986b3f886e829aa961757b4107137efe605409b7eaa7b1d1131a9a4325a48
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MD5
db412c1a5a82e1657ad977f70c4aa91d
SHA11655e9ec665dcf728b9a34172583161592912e5f
SHA25604b978d39f39b12079083fe1d10610fcb9b44b023e278eaede3e6e2a4b5e059f
SHA51220944385a94ab7c2b790dd53cf91eef3c17b8a7447f807e897f8b0b97606fe81fcd986b3f886e829aa961757b4107137efe605409b7eaa7b1d1131a9a4325a48