Analysis
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max time kernel
150s -
max time network
170s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
12-02-2022 12:30
Static task
static1
Behavioral task
behavioral1
Sample
0153a39f5f1d72305fdbff8aca766f51f80ba9dd32314e8234523c9170e87fb3.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0153a39f5f1d72305fdbff8aca766f51f80ba9dd32314e8234523c9170e87fb3.exe
Resource
win10v2004-en-20220113
General
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Target
0153a39f5f1d72305fdbff8aca766f51f80ba9dd32314e8234523c9170e87fb3.exe
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Size
99KB
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MD5
44144e27c0486e2065f62a177535cdba
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SHA1
ad02c475eb1b19cce553239d6762b6c8195b5b13
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SHA256
0153a39f5f1d72305fdbff8aca766f51f80ba9dd32314e8234523c9170e87fb3
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SHA512
d6dfbfae68c049546ee0bdedcb0a792008a150a7f97cd130707333d4945ef86a06dd370f5d257afb177a4f07ed6274e1bf770118c8bf2854c34ff5dea175a188
Malware Config
Signatures
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Sakula Payload 2 IoCs
resource yara_rule behavioral2/files/0x000400000001e7c4-130.dat family_sakula behavioral2/files/0x000400000001e7c4-131.dat family_sakula -
Executes dropped EXE 1 IoCs
pid Process 4868 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation 0153a39f5f1d72305fdbff8aca766f51f80ba9dd32314e8234523c9170e87fb3.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0153a39f5f1d72305fdbff8aca766f51f80ba9dd32314e8234523c9170e87fb3.exe -
Drops file in Windows directory 8 IoCs
description 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
pid Process 2360 PING.EXE -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 4276 svchost.exe Token: SeCreatePagefilePrivilege 4276 svchost.exe Token: SeShutdownPrivilege 4276 svchost.exe Token: SeCreatePagefilePrivilege 4276 svchost.exe Token: SeShutdownPrivilege 4276 svchost.exe Token: SeCreatePagefilePrivilege 4276 svchost.exe Token: SeIncBasePriorityPrivilege 4896 0153a39f5f1d72305fdbff8aca766f51f80ba9dd32314e8234523c9170e87fb3.exe Token: SeSecurityPrivilege 1972 TiWorker.exe Token: SeRestorePrivilege 1972 TiWorker.exe Token: SeBackupPrivilege 1972 TiWorker.exe Token: SeBackupPrivilege 1972 TiWorker.exe Token: SeRestorePrivilege 1972 TiWorker.exe Token: SeSecurityPrivilege 1972 TiWorker.exe Token: SeBackupPrivilege 1972 TiWorker.exe Token: SeRestorePrivilege 1972 TiWorker.exe Token: SeSecurityPrivilege 1972 TiWorker.exe Token: SeBackupPrivilege 1972 TiWorker.exe Token: SeRestorePrivilege 1972 TiWorker.exe Token: SeSecurityPrivilege 1972 TiWorker.exe Token: SeBackupPrivilege 1972 TiWorker.exe Token: SeRestorePrivilege 1972 TiWorker.exe Token: SeSecurityPrivilege 1972 TiWorker.exe Token: SeBackupPrivilege 1972 TiWorker.exe Token: SeRestorePrivilege 1972 TiWorker.exe Token: SeSecurityPrivilege 1972 TiWorker.exe Token: SeBackupPrivilege 1972 TiWorker.exe Token: SeRestorePrivilege 1972 TiWorker.exe Token: SeSecurityPrivilege 1972 TiWorker.exe Token: SeBackupPrivilege 1972 TiWorker.exe Token: SeRestorePrivilege 1972 TiWorker.exe Token: SeSecurityPrivilege 1972 TiWorker.exe Token: SeBackupPrivilege 1972 TiWorker.exe Token: SeRestorePrivilege 1972 TiWorker.exe Token: SeSecurityPrivilege 1972 TiWorker.exe Token: SeBackupPrivilege 1972 TiWorker.exe Token: SeRestorePrivilege 1972 TiWorker.exe Token: SeSecurityPrivilege 1972 TiWorker.exe Token: SeBackupPrivilege 1972 TiWorker.exe Token: SeRestorePrivilege 1972 TiWorker.exe Token: SeSecurityPrivilege 1972 TiWorker.exe Token: SeBackupPrivilege 1972 TiWorker.exe Token: SeRestorePrivilege 1972 TiWorker.exe Token: SeSecurityPrivilege 1972 TiWorker.exe Token: SeBackupPrivilege 1972 TiWorker.exe Token: SeRestorePrivilege 1972 TiWorker.exe Token: SeSecurityPrivilege 1972 TiWorker.exe Token: SeBackupPrivilege 1972 TiWorker.exe Token: SeRestorePrivilege 1972 TiWorker.exe Token: SeSecurityPrivilege 1972 TiWorker.exe Token: SeBackupPrivilege 1972 TiWorker.exe Token: SeRestorePrivilege 1972 TiWorker.exe Token: SeSecurityPrivilege 1972 TiWorker.exe Token: SeBackupPrivilege 1972 TiWorker.exe Token: SeRestorePrivilege 1972 TiWorker.exe Token: SeSecurityPrivilege 1972 TiWorker.exe Token: SeBackupPrivilege 1972 TiWorker.exe Token: SeRestorePrivilege 1972 TiWorker.exe Token: SeSecurityPrivilege 1972 TiWorker.exe Token: SeBackupPrivilege 1972 TiWorker.exe Token: SeRestorePrivilege 1972 TiWorker.exe Token: SeSecurityPrivilege 1972 TiWorker.exe Token: SeBackupPrivilege 1972 TiWorker.exe Token: SeRestorePrivilege 1972 TiWorker.exe Token: SeSecurityPrivilege 1972 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4896 wrote to memory of 4868 4896 0153a39f5f1d72305fdbff8aca766f51f80ba9dd32314e8234523c9170e87fb3.exe 82 PID 4896 wrote to memory of 4868 4896 0153a39f5f1d72305fdbff8aca766f51f80ba9dd32314e8234523c9170e87fb3.exe 82 PID 4896 wrote to memory of 4868 4896 0153a39f5f1d72305fdbff8aca766f51f80ba9dd32314e8234523c9170e87fb3.exe 82 PID 4896 wrote to memory of 2200 4896 0153a39f5f1d72305fdbff8aca766f51f80ba9dd32314e8234523c9170e87fb3.exe 98 PID 4896 wrote to memory of 2200 4896 0153a39f5f1d72305fdbff8aca766f51f80ba9dd32314e8234523c9170e87fb3.exe 98 PID 4896 wrote to memory of 2200 4896 0153a39f5f1d72305fdbff8aca766f51f80ba9dd32314e8234523c9170e87fb3.exe 98 PID 2200 wrote to memory of 2360 2200 cmd.exe 100 PID 2200 wrote to memory of 2360 2200 cmd.exe 100 PID 2200 wrote to memory of 2360 2200 cmd.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\0153a39f5f1d72305fdbff8aca766f51f80ba9dd32314e8234523c9170e87fb3.exe"C:\Users\Admin\AppData\Local\Temp\0153a39f5f1d72305fdbff8aca766f51f80ba9dd32314e8234523c9170e87fb3.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4896 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:4868
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0153a39f5f1d72305fdbff8aca766f51f80ba9dd32314e8234523c9170e87fb3.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2200 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2360
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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:4276
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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:1972