Analysis
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max time kernel
133s -
max time network
168s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
12-02-2022 12:19
Static task
static1
Behavioral task
behavioral1
Sample
01de1c75a4e8f98afd6fef9d270e76f8f56213d5e3648a6b9014c5868fcc798f.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
01de1c75a4e8f98afd6fef9d270e76f8f56213d5e3648a6b9014c5868fcc798f.exe
Resource
win10v2004-en-20220113
General
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Target
01de1c75a4e8f98afd6fef9d270e76f8f56213d5e3648a6b9014c5868fcc798f.exe
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Size
99KB
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MD5
de5060d4fb920820105b81f341af054b
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SHA1
f4cdac59ad8c14a6780da118e0770eef5c72c9e0
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SHA256
01de1c75a4e8f98afd6fef9d270e76f8f56213d5e3648a6b9014c5868fcc798f
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SHA512
8ead51bec8584919ee15e6b090f8136ff9edf951ebd8dd96c95bf1cba5dfad6d71ad82871c9fae18ecf2d36afb103a1e10b3a6470f3fa7f7273a77903700c02c
Malware Config
Signatures
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Sakula Payload 2 IoCs
resource yara_rule behavioral2/files/0x000300000001e78a-133.dat family_sakula behavioral2/files/0x000300000001e78a-134.dat family_sakula -
Executes dropped EXE 1 IoCs
pid Process 3400 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 01de1c75a4e8f98afd6fef9d270e76f8f56213d5e3648a6b9014c5868fcc798f.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" 01de1c75a4e8f98afd6fef9d270e76f8f56213d5e3648a6b9014c5868fcc798f.exe -
Drops file in Windows directory 8 IoCs
description ioc Process 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 File opened for modification C:\Windows\SoftwareDistribution\ReportingEvents.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
pid Process 3272 PING.EXE -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 1892 svchost.exe Token: SeCreatePagefilePrivilege 1892 svchost.exe Token: SeShutdownPrivilege 1892 svchost.exe Token: SeCreatePagefilePrivilege 1892 svchost.exe Token: SeShutdownPrivilege 1892 svchost.exe Token: SeCreatePagefilePrivilege 1892 svchost.exe Token: SeIncBasePriorityPrivilege 4032 01de1c75a4e8f98afd6fef9d270e76f8f56213d5e3648a6b9014c5868fcc798f.exe Token: SeSecurityPrivilege 3648 TiWorker.exe Token: SeRestorePrivilege 3648 TiWorker.exe Token: SeBackupPrivilege 3648 TiWorker.exe Token: SeBackupPrivilege 3648 TiWorker.exe Token: SeRestorePrivilege 3648 TiWorker.exe Token: SeSecurityPrivilege 3648 TiWorker.exe Token: SeBackupPrivilege 3648 TiWorker.exe Token: SeRestorePrivilege 3648 TiWorker.exe Token: SeSecurityPrivilege 3648 TiWorker.exe Token: SeBackupPrivilege 3648 TiWorker.exe Token: SeRestorePrivilege 3648 TiWorker.exe Token: SeSecurityPrivilege 3648 TiWorker.exe Token: SeBackupPrivilege 3648 TiWorker.exe Token: SeRestorePrivilege 3648 TiWorker.exe Token: SeSecurityPrivilege 3648 TiWorker.exe Token: SeBackupPrivilege 3648 TiWorker.exe Token: SeRestorePrivilege 3648 TiWorker.exe Token: SeSecurityPrivilege 3648 TiWorker.exe Token: SeBackupPrivilege 3648 TiWorker.exe Token: SeRestorePrivilege 3648 TiWorker.exe Token: SeSecurityPrivilege 3648 TiWorker.exe Token: SeBackupPrivilege 3648 TiWorker.exe Token: SeRestorePrivilege 3648 TiWorker.exe Token: SeSecurityPrivilege 3648 TiWorker.exe Token: SeBackupPrivilege 3648 TiWorker.exe Token: SeRestorePrivilege 3648 TiWorker.exe Token: SeSecurityPrivilege 3648 TiWorker.exe Token: SeBackupPrivilege 3648 TiWorker.exe Token: SeRestorePrivilege 3648 TiWorker.exe Token: SeSecurityPrivilege 3648 TiWorker.exe Token: SeBackupPrivilege 3648 TiWorker.exe Token: SeRestorePrivilege 3648 TiWorker.exe Token: SeSecurityPrivilege 3648 TiWorker.exe Token: SeBackupPrivilege 3648 TiWorker.exe Token: SeRestorePrivilege 3648 TiWorker.exe Token: SeSecurityPrivilege 3648 TiWorker.exe Token: SeBackupPrivilege 3648 TiWorker.exe Token: SeRestorePrivilege 3648 TiWorker.exe Token: SeSecurityPrivilege 3648 TiWorker.exe Token: SeBackupPrivilege 3648 TiWorker.exe Token: SeRestorePrivilege 3648 TiWorker.exe Token: SeSecurityPrivilege 3648 TiWorker.exe Token: SeBackupPrivilege 3648 TiWorker.exe Token: SeRestorePrivilege 3648 TiWorker.exe Token: SeSecurityPrivilege 3648 TiWorker.exe Token: SeBackupPrivilege 3648 TiWorker.exe Token: SeRestorePrivilege 3648 TiWorker.exe Token: SeSecurityPrivilege 3648 TiWorker.exe Token: SeBackupPrivilege 3648 TiWorker.exe Token: SeRestorePrivilege 3648 TiWorker.exe Token: SeSecurityPrivilege 3648 TiWorker.exe Token: SeBackupPrivilege 3648 TiWorker.exe Token: SeRestorePrivilege 3648 TiWorker.exe Token: SeSecurityPrivilege 3648 TiWorker.exe Token: SeBackupPrivilege 3648 TiWorker.exe Token: SeRestorePrivilege 3648 TiWorker.exe Token: SeSecurityPrivilege 3648 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4032 wrote to memory of 3400 4032 01de1c75a4e8f98afd6fef9d270e76f8f56213d5e3648a6b9014c5868fcc798f.exe 82 PID 4032 wrote to memory of 3400 4032 01de1c75a4e8f98afd6fef9d270e76f8f56213d5e3648a6b9014c5868fcc798f.exe 82 PID 4032 wrote to memory of 3400 4032 01de1c75a4e8f98afd6fef9d270e76f8f56213d5e3648a6b9014c5868fcc798f.exe 82 PID 4032 wrote to memory of 3112 4032 01de1c75a4e8f98afd6fef9d270e76f8f56213d5e3648a6b9014c5868fcc798f.exe 98 PID 4032 wrote to memory of 3112 4032 01de1c75a4e8f98afd6fef9d270e76f8f56213d5e3648a6b9014c5868fcc798f.exe 98 PID 4032 wrote to memory of 3112 4032 01de1c75a4e8f98afd6fef9d270e76f8f56213d5e3648a6b9014c5868fcc798f.exe 98 PID 3112 wrote to memory of 3272 3112 cmd.exe 100 PID 3112 wrote to memory of 3272 3112 cmd.exe 100 PID 3112 wrote to memory of 3272 3112 cmd.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\01de1c75a4e8f98afd6fef9d270e76f8f56213d5e3648a6b9014c5868fcc798f.exe"C:\Users\Admin\AppData\Local\Temp\01de1c75a4e8f98afd6fef9d270e76f8f56213d5e3648a6b9014c5868fcc798f.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4032 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3400
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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\01de1c75a4e8f98afd6fef9d270e76f8f56213d5e3648a6b9014c5868fcc798f.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3112 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3272
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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:1892
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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:3648