Analysis
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max time kernel
149s -
max time network
167s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
12-02-2022 03:54
Static task
static1
Behavioral task
behavioral1
Sample
1687bc0738560d9d615f5715ca377841fd87f86d6304201c66767a87670d3d95.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
1687bc0738560d9d615f5715ca377841fd87f86d6304201c66767a87670d3d95.exe
Resource
win10v2004-en-20220113
General
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Target
1687bc0738560d9d615f5715ca377841fd87f86d6304201c66767a87670d3d95.exe
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Size
150KB
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MD5
9aa9cf034deaf46ad4714d3ddab92f9e
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SHA1
ed1ac2d3a7c099245c3b4756a50833bae6941e0b
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SHA256
1687bc0738560d9d615f5715ca377841fd87f86d6304201c66767a87670d3d95
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SHA512
e802caa7da6014ba7062a14504b96947a4bed82c046c222fee57931e76e74171d0edeae1a8e3efabf1b345936a4cc7371e343437ecd08a2a1009e20e662a6e85
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 2664 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
1687bc0738560d9d615f5715ca377841fd87f86d6304201c66767a87670d3d95.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation 1687bc0738560d9d615f5715ca377841fd87f86d6304201c66767a87670d3d95.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
1687bc0738560d9d615f5715ca377841fd87f86d6304201c66767a87670d3d95.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 1687bc0738560d9d615f5715ca377841fd87f86d6304201c66767a87670d3d95.exe -
Drops file in Windows directory 8 IoCs
Processes:
svchost.exeTiWorker.exedescription ioc process 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 File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm 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.exe1687bc0738560d9d615f5715ca377841fd87f86d6304201c66767a87670d3d95.exeTiWorker.exedescription pid process Token: SeShutdownPrivilege 2800 svchost.exe Token: SeCreatePagefilePrivilege 2800 svchost.exe Token: SeShutdownPrivilege 2800 svchost.exe Token: SeCreatePagefilePrivilege 2800 svchost.exe Token: SeShutdownPrivilege 2800 svchost.exe Token: SeCreatePagefilePrivilege 2800 svchost.exe Token: SeIncBasePriorityPrivilege 1340 1687bc0738560d9d615f5715ca377841fd87f86d6304201c66767a87670d3d95.exe Token: SeSecurityPrivilege 4128 TiWorker.exe Token: SeRestorePrivilege 4128 TiWorker.exe Token: SeBackupPrivilege 4128 TiWorker.exe Token: SeBackupPrivilege 4128 TiWorker.exe Token: SeRestorePrivilege 4128 TiWorker.exe Token: SeSecurityPrivilege 4128 TiWorker.exe Token: SeBackupPrivilege 4128 TiWorker.exe Token: SeRestorePrivilege 4128 TiWorker.exe Token: SeSecurityPrivilege 4128 TiWorker.exe Token: SeBackupPrivilege 4128 TiWorker.exe Token: SeRestorePrivilege 4128 TiWorker.exe Token: SeSecurityPrivilege 4128 TiWorker.exe Token: SeBackupPrivilege 4128 TiWorker.exe Token: SeRestorePrivilege 4128 TiWorker.exe Token: SeSecurityPrivilege 4128 TiWorker.exe Token: SeBackupPrivilege 4128 TiWorker.exe Token: SeRestorePrivilege 4128 TiWorker.exe Token: SeSecurityPrivilege 4128 TiWorker.exe Token: SeBackupPrivilege 4128 TiWorker.exe Token: SeRestorePrivilege 4128 TiWorker.exe Token: SeSecurityPrivilege 4128 TiWorker.exe Token: SeBackupPrivilege 4128 TiWorker.exe Token: SeRestorePrivilege 4128 TiWorker.exe Token: SeSecurityPrivilege 4128 TiWorker.exe Token: SeBackupPrivilege 4128 TiWorker.exe Token: SeRestorePrivilege 4128 TiWorker.exe Token: SeSecurityPrivilege 4128 TiWorker.exe Token: SeBackupPrivilege 4128 TiWorker.exe Token: SeRestorePrivilege 4128 TiWorker.exe Token: SeSecurityPrivilege 4128 TiWorker.exe Token: SeBackupPrivilege 4128 TiWorker.exe Token: SeRestorePrivilege 4128 TiWorker.exe Token: SeSecurityPrivilege 4128 TiWorker.exe Token: SeBackupPrivilege 4128 TiWorker.exe Token: SeRestorePrivilege 4128 TiWorker.exe Token: SeSecurityPrivilege 4128 TiWorker.exe Token: SeBackupPrivilege 4128 TiWorker.exe Token: SeRestorePrivilege 4128 TiWorker.exe Token: SeSecurityPrivilege 4128 TiWorker.exe Token: SeBackupPrivilege 4128 TiWorker.exe Token: SeRestorePrivilege 4128 TiWorker.exe Token: SeSecurityPrivilege 4128 TiWorker.exe Token: SeBackupPrivilege 4128 TiWorker.exe Token: SeRestorePrivilege 4128 TiWorker.exe Token: SeSecurityPrivilege 4128 TiWorker.exe Token: SeBackupPrivilege 4128 TiWorker.exe Token: SeRestorePrivilege 4128 TiWorker.exe Token: SeSecurityPrivilege 4128 TiWorker.exe Token: SeBackupPrivilege 4128 TiWorker.exe Token: SeRestorePrivilege 4128 TiWorker.exe Token: SeSecurityPrivilege 4128 TiWorker.exe Token: SeBackupPrivilege 4128 TiWorker.exe Token: SeRestorePrivilege 4128 TiWorker.exe Token: SeSecurityPrivilege 4128 TiWorker.exe Token: SeBackupPrivilege 4128 TiWorker.exe Token: SeRestorePrivilege 4128 TiWorker.exe Token: SeSecurityPrivilege 4128 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
1687bc0738560d9d615f5715ca377841fd87f86d6304201c66767a87670d3d95.execmd.exedescription pid process target process PID 1340 wrote to memory of 2664 1340 1687bc0738560d9d615f5715ca377841fd87f86d6304201c66767a87670d3d95.exe MediaCenter.exe PID 1340 wrote to memory of 2664 1340 1687bc0738560d9d615f5715ca377841fd87f86d6304201c66767a87670d3d95.exe MediaCenter.exe PID 1340 wrote to memory of 2664 1340 1687bc0738560d9d615f5715ca377841fd87f86d6304201c66767a87670d3d95.exe MediaCenter.exe PID 1340 wrote to memory of 4336 1340 1687bc0738560d9d615f5715ca377841fd87f86d6304201c66767a87670d3d95.exe cmd.exe PID 1340 wrote to memory of 4336 1340 1687bc0738560d9d615f5715ca377841fd87f86d6304201c66767a87670d3d95.exe cmd.exe PID 1340 wrote to memory of 4336 1340 1687bc0738560d9d615f5715ca377841fd87f86d6304201c66767a87670d3d95.exe cmd.exe PID 4336 wrote to memory of 4328 4336 cmd.exe PING.EXE PID 4336 wrote to memory of 4328 4336 cmd.exe PING.EXE PID 4336 wrote to memory of 4328 4336 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\1687bc0738560d9d615f5715ca377841fd87f86d6304201c66767a87670d3d95.exe"C:\Users\Admin\AppData\Local\Temp\1687bc0738560d9d615f5715ca377841fd87f86d6304201c66767a87670d3d95.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1340 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2664 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1687bc0738560d9d615f5715ca377841fd87f86d6304201c66767a87670d3d95.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:4336 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:4328
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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:2800
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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:4128
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
0693212f93d9f95fb01fb262d67fcfa3
SHA11215d3c5e60cb52249cc6c96f13fcde5e25d15d9
SHA256d6c80ad9b20361de2134c1c99323fc78afe84ca164b8b3e09414515d912f3b65
SHA512df7797e3e209d64f98a6db99de7a80cb78375a695c31e972948e9362f53f93dd7a337fa3b016810988d6ae3c0a8cbba4c85202f8e905a88f04ba7b748f256fc3
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MD5
0693212f93d9f95fb01fb262d67fcfa3
SHA11215d3c5e60cb52249cc6c96f13fcde5e25d15d9
SHA256d6c80ad9b20361de2134c1c99323fc78afe84ca164b8b3e09414515d912f3b65
SHA512df7797e3e209d64f98a6db99de7a80cb78375a695c31e972948e9362f53f93dd7a337fa3b016810988d6ae3c0a8cbba4c85202f8e905a88f04ba7b748f256fc3