Analysis
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max time kernel
145s -
max time network
169s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
12-02-2022 04:14
Static task
static1
Behavioral task
behavioral1
Sample
15c29b2ed9336980facd7d5a413f32d205290b5735ba94c7931389bb6f9300ac.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
15c29b2ed9336980facd7d5a413f32d205290b5735ba94c7931389bb6f9300ac.exe
Resource
win10v2004-en-20220113
General
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Target
15c29b2ed9336980facd7d5a413f32d205290b5735ba94c7931389bb6f9300ac.exe
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Size
216KB
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MD5
8eff952ce23c133b077709b1fdddc38f
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SHA1
a3bb5ce31de362867bf44054fe2301fb0f4181be
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SHA256
15c29b2ed9336980facd7d5a413f32d205290b5735ba94c7931389bb6f9300ac
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SHA512
215f17d83ba9af99f6d8f004a71b82260f00cec0c9d4ea6d4ee19455850c140f7dbdc0bec5f23bab6d53fd07180fe51b096c848552ecb9cdfe7d4ceee5f3bfd3
Malware Config
Signatures
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Sakula Payload 4 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 behavioral2/memory/1156-135-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/3164-136-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 3164 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
15c29b2ed9336980facd7d5a413f32d205290b5735ba94c7931389bb6f9300ac.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation 15c29b2ed9336980facd7d5a413f32d205290b5735ba94c7931389bb6f9300ac.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
15c29b2ed9336980facd7d5a413f32d205290b5735ba94c7931389bb6f9300ac.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 15c29b2ed9336980facd7d5a413f32d205290b5735ba94c7931389bb6f9300ac.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:
svchost.exe15c29b2ed9336980facd7d5a413f32d205290b5735ba94c7931389bb6f9300ac.exeTiWorker.exedescription pid process Token: SeShutdownPrivilege 2348 svchost.exe Token: SeCreatePagefilePrivilege 2348 svchost.exe Token: SeShutdownPrivilege 2348 svchost.exe Token: SeCreatePagefilePrivilege 2348 svchost.exe Token: SeShutdownPrivilege 2348 svchost.exe Token: SeCreatePagefilePrivilege 2348 svchost.exe Token: SeIncBasePriorityPrivilege 1156 15c29b2ed9336980facd7d5a413f32d205290b5735ba94c7931389bb6f9300ac.exe Token: SeSecurityPrivilege 444 TiWorker.exe Token: SeRestorePrivilege 444 TiWorker.exe Token: SeBackupPrivilege 444 TiWorker.exe Token: SeBackupPrivilege 444 TiWorker.exe Token: SeRestorePrivilege 444 TiWorker.exe Token: SeSecurityPrivilege 444 TiWorker.exe Token: SeBackupPrivilege 444 TiWorker.exe Token: SeRestorePrivilege 444 TiWorker.exe Token: SeSecurityPrivilege 444 TiWorker.exe Token: SeBackupPrivilege 444 TiWorker.exe Token: SeRestorePrivilege 444 TiWorker.exe Token: SeSecurityPrivilege 444 TiWorker.exe Token: SeBackupPrivilege 444 TiWorker.exe Token: SeRestorePrivilege 444 TiWorker.exe Token: SeSecurityPrivilege 444 TiWorker.exe Token: SeBackupPrivilege 444 TiWorker.exe Token: SeRestorePrivilege 444 TiWorker.exe Token: SeSecurityPrivilege 444 TiWorker.exe Token: SeBackupPrivilege 444 TiWorker.exe Token: SeRestorePrivilege 444 TiWorker.exe Token: SeSecurityPrivilege 444 TiWorker.exe Token: SeBackupPrivilege 444 TiWorker.exe Token: SeRestorePrivilege 444 TiWorker.exe Token: SeSecurityPrivilege 444 TiWorker.exe Token: SeBackupPrivilege 444 TiWorker.exe Token: SeRestorePrivilege 444 TiWorker.exe Token: SeSecurityPrivilege 444 TiWorker.exe Token: SeBackupPrivilege 444 TiWorker.exe Token: SeRestorePrivilege 444 TiWorker.exe Token: SeSecurityPrivilege 444 TiWorker.exe Token: SeBackupPrivilege 444 TiWorker.exe Token: SeRestorePrivilege 444 TiWorker.exe Token: SeSecurityPrivilege 444 TiWorker.exe Token: SeBackupPrivilege 444 TiWorker.exe Token: SeRestorePrivilege 444 TiWorker.exe Token: SeSecurityPrivilege 444 TiWorker.exe Token: SeBackupPrivilege 444 TiWorker.exe Token: SeRestorePrivilege 444 TiWorker.exe Token: SeSecurityPrivilege 444 TiWorker.exe Token: SeBackupPrivilege 444 TiWorker.exe Token: SeRestorePrivilege 444 TiWorker.exe Token: SeSecurityPrivilege 444 TiWorker.exe Token: SeBackupPrivilege 444 TiWorker.exe Token: SeRestorePrivilege 444 TiWorker.exe Token: SeSecurityPrivilege 444 TiWorker.exe Token: SeBackupPrivilege 444 TiWorker.exe Token: SeRestorePrivilege 444 TiWorker.exe Token: SeSecurityPrivilege 444 TiWorker.exe Token: SeBackupPrivilege 444 TiWorker.exe Token: SeRestorePrivilege 444 TiWorker.exe Token: SeSecurityPrivilege 444 TiWorker.exe Token: SeBackupPrivilege 444 TiWorker.exe Token: SeRestorePrivilege 444 TiWorker.exe Token: SeSecurityPrivilege 444 TiWorker.exe Token: SeBackupPrivilege 444 TiWorker.exe Token: SeRestorePrivilege 444 TiWorker.exe Token: SeSecurityPrivilege 444 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
15c29b2ed9336980facd7d5a413f32d205290b5735ba94c7931389bb6f9300ac.execmd.exedescription pid process target process PID 1156 wrote to memory of 3164 1156 15c29b2ed9336980facd7d5a413f32d205290b5735ba94c7931389bb6f9300ac.exe MediaCenter.exe PID 1156 wrote to memory of 3164 1156 15c29b2ed9336980facd7d5a413f32d205290b5735ba94c7931389bb6f9300ac.exe MediaCenter.exe PID 1156 wrote to memory of 3164 1156 15c29b2ed9336980facd7d5a413f32d205290b5735ba94c7931389bb6f9300ac.exe MediaCenter.exe PID 1156 wrote to memory of 4000 1156 15c29b2ed9336980facd7d5a413f32d205290b5735ba94c7931389bb6f9300ac.exe cmd.exe PID 1156 wrote to memory of 4000 1156 15c29b2ed9336980facd7d5a413f32d205290b5735ba94c7931389bb6f9300ac.exe cmd.exe PID 1156 wrote to memory of 4000 1156 15c29b2ed9336980facd7d5a413f32d205290b5735ba94c7931389bb6f9300ac.exe cmd.exe PID 4000 wrote to memory of 3716 4000 cmd.exe PING.EXE PID 4000 wrote to memory of 3716 4000 cmd.exe PING.EXE PID 4000 wrote to memory of 3716 4000 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\15c29b2ed9336980facd7d5a413f32d205290b5735ba94c7931389bb6f9300ac.exe"C:\Users\Admin\AppData\Local\Temp\15c29b2ed9336980facd7d5a413f32d205290b5735ba94c7931389bb6f9300ac.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1156 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3164 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\15c29b2ed9336980facd7d5a413f32d205290b5735ba94c7931389bb6f9300ac.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:4000 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3716
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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:2348
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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:444
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
8f1cc25aef219f97a0251ea0688e6c97
SHA13c352bfd331a6a59d938f44ecc99f45ddf6781d9
SHA2567ee85cdfa264d816d479fd1ce1566f82bc743b65b8e11cb8f2138b932b7df810
SHA5123dbabe4fee74ecce0a2b1780318f62bfcc2d137894c601d37af980618f16d258c29bf51973a14ea8446edb50c4320570917c4bd42ed04446613b854c6eb63b78
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MD5
8f1cc25aef219f97a0251ea0688e6c97
SHA13c352bfd331a6a59d938f44ecc99f45ddf6781d9
SHA2567ee85cdfa264d816d479fd1ce1566f82bc743b65b8e11cb8f2138b932b7df810
SHA5123dbabe4fee74ecce0a2b1780318f62bfcc2d137894c601d37af980618f16d258c29bf51973a14ea8446edb50c4320570917c4bd42ed04446613b854c6eb63b78