Analysis
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max time kernel
151s -
max time network
168s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
12-02-2022 08:19
Static task
static1
Behavioral task
behavioral1
Sample
0b495425534ea0537b902546f9abc5fae4ed19cfa89fbf65095617b53af3de25.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0b495425534ea0537b902546f9abc5fae4ed19cfa89fbf65095617b53af3de25.exe
Resource
win10v2004-en-20220113
General
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Target
0b495425534ea0537b902546f9abc5fae4ed19cfa89fbf65095617b53af3de25.exe
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Size
150KB
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MD5
cee5a44cb2b1545ba6281903475c01e0
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SHA1
7f67ea33c6732d72381ee4253538972aa3bd1abd
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SHA256
0b495425534ea0537b902546f9abc5fae4ed19cfa89fbf65095617b53af3de25
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SHA512
d8ca4b1047eb3e596e3a73fd9c9ec18e720075ebab8cdf5cf9bd1108bb97ad07a28ebb163775b78a73d5cf71a378950a88fa240f03a3d8ce0edc60a012ada014
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 -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 3580 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0b495425534ea0537b902546f9abc5fae4ed19cfa89fbf65095617b53af3de25.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation 0b495425534ea0537b902546f9abc5fae4ed19cfa89fbf65095617b53af3de25.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0b495425534ea0537b902546f9abc5fae4ed19cfa89fbf65095617b53af3de25.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0b495425534ea0537b902546f9abc5fae4ed19cfa89fbf65095617b53af3de25.exe -
Drops file in Windows directory 8 IoCs
Processes:
TiWorker.exesvchost.exedescription ioc process 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 File opened for modification C:\Windows\SoftwareDistribution\ReportingEvents.log svchost.exe File opened for modification C:\Windows\Logs\CBS\CBS.log 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.exe0b495425534ea0537b902546f9abc5fae4ed19cfa89fbf65095617b53af3de25.exeTiWorker.exedescription pid process Token: SeShutdownPrivilege 2020 svchost.exe Token: SeCreatePagefilePrivilege 2020 svchost.exe Token: SeShutdownPrivilege 2020 svchost.exe Token: SeCreatePagefilePrivilege 2020 svchost.exe Token: SeShutdownPrivilege 2020 svchost.exe Token: SeCreatePagefilePrivilege 2020 svchost.exe Token: SeIncBasePriorityPrivilege 3544 0b495425534ea0537b902546f9abc5fae4ed19cfa89fbf65095617b53af3de25.exe Token: SeSecurityPrivilege 1272 TiWorker.exe Token: SeRestorePrivilege 1272 TiWorker.exe Token: SeBackupPrivilege 1272 TiWorker.exe Token: SeBackupPrivilege 1272 TiWorker.exe Token: SeRestorePrivilege 1272 TiWorker.exe Token: SeSecurityPrivilege 1272 TiWorker.exe Token: SeBackupPrivilege 1272 TiWorker.exe Token: SeRestorePrivilege 1272 TiWorker.exe Token: SeSecurityPrivilege 1272 TiWorker.exe Token: SeBackupPrivilege 1272 TiWorker.exe Token: SeRestorePrivilege 1272 TiWorker.exe Token: SeSecurityPrivilege 1272 TiWorker.exe Token: SeBackupPrivilege 1272 TiWorker.exe Token: SeRestorePrivilege 1272 TiWorker.exe Token: SeSecurityPrivilege 1272 TiWorker.exe Token: SeBackupPrivilege 1272 TiWorker.exe Token: SeRestorePrivilege 1272 TiWorker.exe Token: SeSecurityPrivilege 1272 TiWorker.exe Token: SeBackupPrivilege 1272 TiWorker.exe Token: SeRestorePrivilege 1272 TiWorker.exe Token: SeSecurityPrivilege 1272 TiWorker.exe Token: SeBackupPrivilege 1272 TiWorker.exe Token: SeRestorePrivilege 1272 TiWorker.exe Token: SeSecurityPrivilege 1272 TiWorker.exe Token: SeBackupPrivilege 1272 TiWorker.exe Token: SeRestorePrivilege 1272 TiWorker.exe Token: SeSecurityPrivilege 1272 TiWorker.exe Token: SeBackupPrivilege 1272 TiWorker.exe Token: SeRestorePrivilege 1272 TiWorker.exe Token: SeSecurityPrivilege 1272 TiWorker.exe Token: SeBackupPrivilege 1272 TiWorker.exe Token: SeRestorePrivilege 1272 TiWorker.exe Token: SeSecurityPrivilege 1272 TiWorker.exe Token: SeBackupPrivilege 1272 TiWorker.exe Token: SeRestorePrivilege 1272 TiWorker.exe Token: SeSecurityPrivilege 1272 TiWorker.exe Token: SeBackupPrivilege 1272 TiWorker.exe Token: SeRestorePrivilege 1272 TiWorker.exe Token: SeSecurityPrivilege 1272 TiWorker.exe Token: SeBackupPrivilege 1272 TiWorker.exe Token: SeRestorePrivilege 1272 TiWorker.exe Token: SeSecurityPrivilege 1272 TiWorker.exe Token: SeBackupPrivilege 1272 TiWorker.exe Token: SeRestorePrivilege 1272 TiWorker.exe Token: SeSecurityPrivilege 1272 TiWorker.exe Token: SeBackupPrivilege 1272 TiWorker.exe Token: SeRestorePrivilege 1272 TiWorker.exe Token: SeSecurityPrivilege 1272 TiWorker.exe Token: SeBackupPrivilege 1272 TiWorker.exe Token: SeRestorePrivilege 1272 TiWorker.exe Token: SeSecurityPrivilege 1272 TiWorker.exe Token: SeBackupPrivilege 1272 TiWorker.exe Token: SeRestorePrivilege 1272 TiWorker.exe Token: SeSecurityPrivilege 1272 TiWorker.exe Token: SeBackupPrivilege 1272 TiWorker.exe Token: SeRestorePrivilege 1272 TiWorker.exe Token: SeSecurityPrivilege 1272 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0b495425534ea0537b902546f9abc5fae4ed19cfa89fbf65095617b53af3de25.execmd.exedescription pid process target process PID 3544 wrote to memory of 3580 3544 0b495425534ea0537b902546f9abc5fae4ed19cfa89fbf65095617b53af3de25.exe MediaCenter.exe PID 3544 wrote to memory of 3580 3544 0b495425534ea0537b902546f9abc5fae4ed19cfa89fbf65095617b53af3de25.exe MediaCenter.exe PID 3544 wrote to memory of 3580 3544 0b495425534ea0537b902546f9abc5fae4ed19cfa89fbf65095617b53af3de25.exe MediaCenter.exe PID 3544 wrote to memory of 1204 3544 0b495425534ea0537b902546f9abc5fae4ed19cfa89fbf65095617b53af3de25.exe cmd.exe PID 3544 wrote to memory of 1204 3544 0b495425534ea0537b902546f9abc5fae4ed19cfa89fbf65095617b53af3de25.exe cmd.exe PID 3544 wrote to memory of 1204 3544 0b495425534ea0537b902546f9abc5fae4ed19cfa89fbf65095617b53af3de25.exe cmd.exe PID 1204 wrote to memory of 1736 1204 cmd.exe PING.EXE PID 1204 wrote to memory of 1736 1204 cmd.exe PING.EXE PID 1204 wrote to memory of 1736 1204 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0b495425534ea0537b902546f9abc5fae4ed19cfa89fbf65095617b53af3de25.exe"C:\Users\Admin\AppData\Local\Temp\0b495425534ea0537b902546f9abc5fae4ed19cfa89fbf65095617b53af3de25.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3544 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3580 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0b495425534ea0537b902546f9abc5fae4ed19cfa89fbf65095617b53af3de25.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1204 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1736
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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:2020
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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:1272
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
9f2298e0286c8af597a846233c0bebaa
SHA19eb8f990aed2c2cef46fbd801704e3435de80c6d
SHA2569f4a921f9f4df7b497e39992b5945792eef212f37ca2285618eeb3ee19ce527f
SHA512eacba40a8414d4086e84ad085bc701a218208609a143108d66bdee102a505d8793307f334b5a2ca25896406dba9f7130a4ed476f2d230be831c0081f5990967f
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MD5
9f2298e0286c8af597a846233c0bebaa
SHA19eb8f990aed2c2cef46fbd801704e3435de80c6d
SHA2569f4a921f9f4df7b497e39992b5945792eef212f37ca2285618eeb3ee19ce527f
SHA512eacba40a8414d4086e84ad085bc701a218208609a143108d66bdee102a505d8793307f334b5a2ca25896406dba9f7130a4ed476f2d230be831c0081f5990967f