Analysis
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max time kernel
154s -
max time network
162s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
12-02-2022 05:03
Static task
static1
Behavioral task
behavioral1
Sample
13ca75184838275250099e6f3db02827af487fff6133a612a23c78801ea5715a.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
13ca75184838275250099e6f3db02827af487fff6133a612a23c78801ea5715a.exe
Resource
win10v2004-en-20220113
General
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Target
13ca75184838275250099e6f3db02827af487fff6133a612a23c78801ea5715a.exe
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Size
150KB
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MD5
fb99fda95031b6d2f2eb635305eb0436
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SHA1
75108531565a57639732b6c859c58e3b40ab9c04
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SHA256
13ca75184838275250099e6f3db02827af487fff6133a612a23c78801ea5715a
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SHA512
5c21b888aca2d7baf531c310892792fecd7721dba4bee454fb0519ff3f55a7fb54ceffd0a020d7407cf950873f362fcc4141e20e6f9c81ec53c9cf988c10838f
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 760 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
13ca75184838275250099e6f3db02827af487fff6133a612a23c78801ea5715a.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation 13ca75184838275250099e6f3db02827af487fff6133a612a23c78801ea5715a.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
13ca75184838275250099e6f3db02827af487fff6133a612a23c78801ea5715a.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 13ca75184838275250099e6f3db02827af487fff6133a612a23c78801ea5715a.exe -
Drops file in Windows directory 8 IoCs
Processes:
svchost.exeTiWorker.exedescription ioc process 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 File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk 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:
13ca75184838275250099e6f3db02827af487fff6133a612a23c78801ea5715a.exesvchost.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 3124 13ca75184838275250099e6f3db02827af487fff6133a612a23c78801ea5715a.exe Token: SeShutdownPrivilege 1588 svchost.exe Token: SeCreatePagefilePrivilege 1588 svchost.exe Token: SeShutdownPrivilege 1588 svchost.exe Token: SeCreatePagefilePrivilege 1588 svchost.exe Token: SeShutdownPrivilege 1588 svchost.exe Token: SeCreatePagefilePrivilege 1588 svchost.exe Token: SeSecurityPrivilege 1952 TiWorker.exe Token: SeRestorePrivilege 1952 TiWorker.exe Token: SeBackupPrivilege 1952 TiWorker.exe Token: SeBackupPrivilege 1952 TiWorker.exe Token: SeRestorePrivilege 1952 TiWorker.exe Token: SeSecurityPrivilege 1952 TiWorker.exe Token: SeBackupPrivilege 1952 TiWorker.exe Token: SeRestorePrivilege 1952 TiWorker.exe Token: SeSecurityPrivilege 1952 TiWorker.exe Token: SeBackupPrivilege 1952 TiWorker.exe Token: SeRestorePrivilege 1952 TiWorker.exe Token: SeSecurityPrivilege 1952 TiWorker.exe Token: SeBackupPrivilege 1952 TiWorker.exe Token: SeRestorePrivilege 1952 TiWorker.exe Token: SeSecurityPrivilege 1952 TiWorker.exe Token: SeBackupPrivilege 1952 TiWorker.exe Token: SeRestorePrivilege 1952 TiWorker.exe Token: SeSecurityPrivilege 1952 TiWorker.exe Token: SeBackupPrivilege 1952 TiWorker.exe Token: SeRestorePrivilege 1952 TiWorker.exe Token: SeSecurityPrivilege 1952 TiWorker.exe Token: SeBackupPrivilege 1952 TiWorker.exe Token: SeRestorePrivilege 1952 TiWorker.exe Token: SeSecurityPrivilege 1952 TiWorker.exe Token: SeBackupPrivilege 1952 TiWorker.exe Token: SeRestorePrivilege 1952 TiWorker.exe Token: SeSecurityPrivilege 1952 TiWorker.exe Token: SeBackupPrivilege 1952 TiWorker.exe Token: SeRestorePrivilege 1952 TiWorker.exe Token: SeSecurityPrivilege 1952 TiWorker.exe Token: SeBackupPrivilege 1952 TiWorker.exe Token: SeRestorePrivilege 1952 TiWorker.exe Token: SeSecurityPrivilege 1952 TiWorker.exe Token: SeBackupPrivilege 1952 TiWorker.exe Token: SeRestorePrivilege 1952 TiWorker.exe Token: SeSecurityPrivilege 1952 TiWorker.exe Token: SeBackupPrivilege 1952 TiWorker.exe Token: SeRestorePrivilege 1952 TiWorker.exe Token: SeSecurityPrivilege 1952 TiWorker.exe Token: SeBackupPrivilege 1952 TiWorker.exe Token: SeRestorePrivilege 1952 TiWorker.exe Token: SeSecurityPrivilege 1952 TiWorker.exe Token: SeBackupPrivilege 1952 TiWorker.exe Token: SeRestorePrivilege 1952 TiWorker.exe Token: SeSecurityPrivilege 1952 TiWorker.exe Token: SeBackupPrivilege 1952 TiWorker.exe Token: SeRestorePrivilege 1952 TiWorker.exe Token: SeSecurityPrivilege 1952 TiWorker.exe Token: SeBackupPrivilege 1952 TiWorker.exe Token: SeRestorePrivilege 1952 TiWorker.exe Token: SeSecurityPrivilege 1952 TiWorker.exe Token: SeBackupPrivilege 1952 TiWorker.exe Token: SeRestorePrivilege 1952 TiWorker.exe Token: SeSecurityPrivilege 1952 TiWorker.exe Token: SeBackupPrivilege 1952 TiWorker.exe Token: SeRestorePrivilege 1952 TiWorker.exe Token: SeSecurityPrivilege 1952 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
13ca75184838275250099e6f3db02827af487fff6133a612a23c78801ea5715a.execmd.exedescription pid process target process PID 3124 wrote to memory of 760 3124 13ca75184838275250099e6f3db02827af487fff6133a612a23c78801ea5715a.exe MediaCenter.exe PID 3124 wrote to memory of 760 3124 13ca75184838275250099e6f3db02827af487fff6133a612a23c78801ea5715a.exe MediaCenter.exe PID 3124 wrote to memory of 760 3124 13ca75184838275250099e6f3db02827af487fff6133a612a23c78801ea5715a.exe MediaCenter.exe PID 3124 wrote to memory of 1976 3124 13ca75184838275250099e6f3db02827af487fff6133a612a23c78801ea5715a.exe cmd.exe PID 3124 wrote to memory of 1976 3124 13ca75184838275250099e6f3db02827af487fff6133a612a23c78801ea5715a.exe cmd.exe PID 3124 wrote to memory of 1976 3124 13ca75184838275250099e6f3db02827af487fff6133a612a23c78801ea5715a.exe cmd.exe PID 1976 wrote to memory of 2760 1976 cmd.exe PING.EXE PID 1976 wrote to memory of 2760 1976 cmd.exe PING.EXE PID 1976 wrote to memory of 2760 1976 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\13ca75184838275250099e6f3db02827af487fff6133a612a23c78801ea5715a.exe"C:\Users\Admin\AppData\Local\Temp\13ca75184838275250099e6f3db02827af487fff6133a612a23c78801ea5715a.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3124 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:760 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\13ca75184838275250099e6f3db02827af487fff6133a612a23c78801ea5715a.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1976 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2760
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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:1588
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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:1952
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
9809201188c0a1de449813fb5e828cdc
SHA147c0652507527977b42adf08232e2faa66ca376b
SHA2564e9481f52f42b0456c714fb1b299d100aa56f067a9d5d26e44871ade034b33f6
SHA512048df3c84127b07e81e0659df526d4a118a1d797efab7a61b402d1c30dcd6d7bfd97e523743b9f1c0d0902019b174ae228f3feada9261075c1953dc9ff8b44fb
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MD5
9809201188c0a1de449813fb5e828cdc
SHA147c0652507527977b42adf08232e2faa66ca376b
SHA2564e9481f52f42b0456c714fb1b299d100aa56f067a9d5d26e44871ade034b33f6
SHA512048df3c84127b07e81e0659df526d4a118a1d797efab7a61b402d1c30dcd6d7bfd97e523743b9f1c0d0902019b174ae228f3feada9261075c1953dc9ff8b44fb