Analysis
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max time kernel
160s -
max time network
166s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
12-02-2022 11:30
Static task
static1
Behavioral task
behavioral1
Sample
04396c7638638da9796f5583867a8bc1dc446e0e33e19eeb5f7a64753adec2e2.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
04396c7638638da9796f5583867a8bc1dc446e0e33e19eeb5f7a64753adec2e2.exe
Resource
win10v2004-en-20220113
General
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Target
04396c7638638da9796f5583867a8bc1dc446e0e33e19eeb5f7a64753adec2e2.exe
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Size
99KB
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MD5
376550eb42d7c55e1442e12b10f25e36
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SHA1
6df93d7db01a59e1adfe5cd2c8f5464389c10c6c
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SHA256
04396c7638638da9796f5583867a8bc1dc446e0e33e19eeb5f7a64753adec2e2
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SHA512
553d7c228bfbd8b4b384cb5a323b004d3543197b4c5200e1a3d8b4c326a3abcf9de494d02eb8f63952ba59a172f4d2112471bd02bf75ec964920ce0c271fa139
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 1980 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
04396c7638638da9796f5583867a8bc1dc446e0e33e19eeb5f7a64753adec2e2.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation 04396c7638638da9796f5583867a8bc1dc446e0e33e19eeb5f7a64753adec2e2.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
04396c7638638da9796f5583867a8bc1dc446e0e33e19eeb5f7a64753adec2e2.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 04396c7638638da9796f5583867a8bc1dc446e0e33e19eeb5f7a64753adec2e2.exe -
Drops file in Windows directory 8 IoCs
Processes:
svchost.exeTiWorker.exedescription ioc process 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 File opened for modification C:\Windows\WindowsUpdate.log 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.exe04396c7638638da9796f5583867a8bc1dc446e0e33e19eeb5f7a64753adec2e2.exeTiWorker.exedescription pid process Token: SeShutdownPrivilege 4448 svchost.exe Token: SeCreatePagefilePrivilege 4448 svchost.exe Token: SeShutdownPrivilege 4448 svchost.exe Token: SeCreatePagefilePrivilege 4448 svchost.exe Token: SeShutdownPrivilege 4448 svchost.exe Token: SeCreatePagefilePrivilege 4448 svchost.exe Token: SeIncBasePriorityPrivilege 1392 04396c7638638da9796f5583867a8bc1dc446e0e33e19eeb5f7a64753adec2e2.exe Token: SeSecurityPrivilege 1956 TiWorker.exe Token: SeRestorePrivilege 1956 TiWorker.exe Token: SeBackupPrivilege 1956 TiWorker.exe Token: SeBackupPrivilege 1956 TiWorker.exe Token: SeRestorePrivilege 1956 TiWorker.exe Token: SeSecurityPrivilege 1956 TiWorker.exe Token: SeBackupPrivilege 1956 TiWorker.exe Token: SeRestorePrivilege 1956 TiWorker.exe Token: SeSecurityPrivilege 1956 TiWorker.exe Token: SeBackupPrivilege 1956 TiWorker.exe Token: SeRestorePrivilege 1956 TiWorker.exe Token: SeSecurityPrivilege 1956 TiWorker.exe Token: SeBackupPrivilege 1956 TiWorker.exe Token: SeRestorePrivilege 1956 TiWorker.exe Token: SeSecurityPrivilege 1956 TiWorker.exe Token: SeBackupPrivilege 1956 TiWorker.exe Token: SeRestorePrivilege 1956 TiWorker.exe Token: SeSecurityPrivilege 1956 TiWorker.exe Token: SeBackupPrivilege 1956 TiWorker.exe Token: SeRestorePrivilege 1956 TiWorker.exe Token: SeSecurityPrivilege 1956 TiWorker.exe Token: SeBackupPrivilege 1956 TiWorker.exe Token: SeRestorePrivilege 1956 TiWorker.exe Token: SeSecurityPrivilege 1956 TiWorker.exe Token: SeBackupPrivilege 1956 TiWorker.exe Token: SeRestorePrivilege 1956 TiWorker.exe Token: SeSecurityPrivilege 1956 TiWorker.exe Token: SeBackupPrivilege 1956 TiWorker.exe Token: SeRestorePrivilege 1956 TiWorker.exe Token: SeSecurityPrivilege 1956 TiWorker.exe Token: SeBackupPrivilege 1956 TiWorker.exe Token: SeRestorePrivilege 1956 TiWorker.exe Token: SeSecurityPrivilege 1956 TiWorker.exe Token: SeBackupPrivilege 1956 TiWorker.exe Token: SeRestorePrivilege 1956 TiWorker.exe Token: SeSecurityPrivilege 1956 TiWorker.exe Token: SeBackupPrivilege 1956 TiWorker.exe Token: SeRestorePrivilege 1956 TiWorker.exe Token: SeSecurityPrivilege 1956 TiWorker.exe Token: SeBackupPrivilege 1956 TiWorker.exe Token: SeRestorePrivilege 1956 TiWorker.exe Token: SeSecurityPrivilege 1956 TiWorker.exe Token: SeBackupPrivilege 1956 TiWorker.exe Token: SeRestorePrivilege 1956 TiWorker.exe Token: SeSecurityPrivilege 1956 TiWorker.exe Token: SeBackupPrivilege 1956 TiWorker.exe Token: SeRestorePrivilege 1956 TiWorker.exe Token: SeSecurityPrivilege 1956 TiWorker.exe Token: SeBackupPrivilege 1956 TiWorker.exe Token: SeRestorePrivilege 1956 TiWorker.exe Token: SeSecurityPrivilege 1956 TiWorker.exe Token: SeBackupPrivilege 1956 TiWorker.exe Token: SeRestorePrivilege 1956 TiWorker.exe Token: SeSecurityPrivilege 1956 TiWorker.exe Token: SeBackupPrivilege 1956 TiWorker.exe Token: SeRestorePrivilege 1956 TiWorker.exe Token: SeSecurityPrivilege 1956 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
04396c7638638da9796f5583867a8bc1dc446e0e33e19eeb5f7a64753adec2e2.execmd.exedescription pid process target process PID 1392 wrote to memory of 1980 1392 04396c7638638da9796f5583867a8bc1dc446e0e33e19eeb5f7a64753adec2e2.exe MediaCenter.exe PID 1392 wrote to memory of 1980 1392 04396c7638638da9796f5583867a8bc1dc446e0e33e19eeb5f7a64753adec2e2.exe MediaCenter.exe PID 1392 wrote to memory of 1980 1392 04396c7638638da9796f5583867a8bc1dc446e0e33e19eeb5f7a64753adec2e2.exe MediaCenter.exe PID 1392 wrote to memory of 2284 1392 04396c7638638da9796f5583867a8bc1dc446e0e33e19eeb5f7a64753adec2e2.exe cmd.exe PID 1392 wrote to memory of 2284 1392 04396c7638638da9796f5583867a8bc1dc446e0e33e19eeb5f7a64753adec2e2.exe cmd.exe PID 1392 wrote to memory of 2284 1392 04396c7638638da9796f5583867a8bc1dc446e0e33e19eeb5f7a64753adec2e2.exe cmd.exe PID 2284 wrote to memory of 3108 2284 cmd.exe PING.EXE PID 2284 wrote to memory of 3108 2284 cmd.exe PING.EXE PID 2284 wrote to memory of 3108 2284 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\04396c7638638da9796f5583867a8bc1dc446e0e33e19eeb5f7a64753adec2e2.exe"C:\Users\Admin\AppData\Local\Temp\04396c7638638da9796f5583867a8bc1dc446e0e33e19eeb5f7a64753adec2e2.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1392 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1980 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\04396c7638638da9796f5583867a8bc1dc446e0e33e19eeb5f7a64753adec2e2.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2284 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3108
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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:4448
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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:1956
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
31ff20bd232a605c2d10922f9a67252f
SHA148cc4df2abb843693e7439c8cd7a1ed9f19bc7ea
SHA2564ecb61a92eec8afe75b96f9db3c2f1e8e6f2ca2bce633c7a88f188acfd987db6
SHA51285368de16da0b003bca5dd117b07df99fac588e3d8b8890bacf08bd800ee819b874f7fedb87e1600c1a49116cbe7ff75901656d6b9f656b8f79365abdb08d7fd
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
31ff20bd232a605c2d10922f9a67252f
SHA148cc4df2abb843693e7439c8cd7a1ed9f19bc7ea
SHA2564ecb61a92eec8afe75b96f9db3c2f1e8e6f2ca2bce633c7a88f188acfd987db6
SHA51285368de16da0b003bca5dd117b07df99fac588e3d8b8890bacf08bd800ee819b874f7fedb87e1600c1a49116cbe7ff75901656d6b9f656b8f79365abdb08d7fd
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memory/4448-132-0x0000022F21160000-0x0000022F21170000-memory.dmpFilesize
64KB
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memory/4448-133-0x0000022F21720000-0x0000022F21730000-memory.dmpFilesize
64KB
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memory/4448-134-0x0000022F23D90000-0x0000022F23D94000-memory.dmpFilesize
16KB