Analysis
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max time kernel
144s -
max time network
167s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
12/02/2022, 06:43
Static task
static1
Behavioral task
behavioral1
Sample
0f26ef8ce7234c4ff466ef2b1bba8d9ca4ede577756e0778e160170aa0abb4c6.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0f26ef8ce7234c4ff466ef2b1bba8d9ca4ede577756e0778e160170aa0abb4c6.exe
Resource
win10v2004-en-20220113
General
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Target
0f26ef8ce7234c4ff466ef2b1bba8d9ca4ede577756e0778e160170aa0abb4c6.exe
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Size
99KB
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MD5
b009a847dfecc73d47041b15c45720d0
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SHA1
0541824dbbcdade28974cc9abb35b6a7074aca54
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SHA256
0f26ef8ce7234c4ff466ef2b1bba8d9ca4ede577756e0778e160170aa0abb4c6
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SHA512
17f16077d84098781ce3744b691da6be19000a639cb28e75ea5293d52bf1f912731cfe8d82cc80b6fb48b94091df356d348c0fd0134741c95a44b4d2548eaedf
Malware Config
Signatures
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Sakula Payload 2 IoCs
resource yara_rule behavioral2/files/0x000400000001e7de-130.dat family_sakula behavioral2/files/0x000400000001e7de-131.dat family_sakula -
Executes dropped EXE 1 IoCs
pid Process 396 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 0f26ef8ce7234c4ff466ef2b1bba8d9ca4ede577756e0778e160170aa0abb4c6.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" 0f26ef8ce7234c4ff466ef2b1bba8d9ca4ede577756e0778e160170aa0abb4c6.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 3932 PING.EXE -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 4532 svchost.exe Token: SeCreatePagefilePrivilege 4532 svchost.exe Token: SeShutdownPrivilege 4532 svchost.exe Token: SeCreatePagefilePrivilege 4532 svchost.exe Token: SeShutdownPrivilege 4532 svchost.exe Token: SeCreatePagefilePrivilege 4532 svchost.exe Token: SeIncBasePriorityPrivilege 3216 0f26ef8ce7234c4ff466ef2b1bba8d9ca4ede577756e0778e160170aa0abb4c6.exe Token: SeSecurityPrivilege 3836 TiWorker.exe Token: SeRestorePrivilege 3836 TiWorker.exe Token: SeBackupPrivilege 3836 TiWorker.exe Token: SeBackupPrivilege 3836 TiWorker.exe Token: SeRestorePrivilege 3836 TiWorker.exe Token: SeSecurityPrivilege 3836 TiWorker.exe Token: SeBackupPrivilege 3836 TiWorker.exe Token: SeRestorePrivilege 3836 TiWorker.exe Token: SeSecurityPrivilege 3836 TiWorker.exe Token: SeBackupPrivilege 3836 TiWorker.exe Token: SeRestorePrivilege 3836 TiWorker.exe Token: SeSecurityPrivilege 3836 TiWorker.exe Token: SeBackupPrivilege 3836 TiWorker.exe Token: SeRestorePrivilege 3836 TiWorker.exe Token: SeSecurityPrivilege 3836 TiWorker.exe Token: SeBackupPrivilege 3836 TiWorker.exe Token: SeRestorePrivilege 3836 TiWorker.exe Token: SeSecurityPrivilege 3836 TiWorker.exe Token: SeBackupPrivilege 3836 TiWorker.exe Token: SeRestorePrivilege 3836 TiWorker.exe Token: SeSecurityPrivilege 3836 TiWorker.exe Token: SeBackupPrivilege 3836 TiWorker.exe Token: SeRestorePrivilege 3836 TiWorker.exe Token: SeSecurityPrivilege 3836 TiWorker.exe Token: SeBackupPrivilege 3836 TiWorker.exe Token: SeRestorePrivilege 3836 TiWorker.exe Token: SeSecurityPrivilege 3836 TiWorker.exe Token: SeBackupPrivilege 3836 TiWorker.exe Token: SeRestorePrivilege 3836 TiWorker.exe Token: SeSecurityPrivilege 3836 TiWorker.exe Token: SeBackupPrivilege 3836 TiWorker.exe Token: SeRestorePrivilege 3836 TiWorker.exe Token: SeSecurityPrivilege 3836 TiWorker.exe Token: SeBackupPrivilege 3836 TiWorker.exe Token: SeRestorePrivilege 3836 TiWorker.exe Token: SeSecurityPrivilege 3836 TiWorker.exe Token: SeBackupPrivilege 3836 TiWorker.exe Token: SeRestorePrivilege 3836 TiWorker.exe Token: SeSecurityPrivilege 3836 TiWorker.exe Token: SeBackupPrivilege 3836 TiWorker.exe Token: SeRestorePrivilege 3836 TiWorker.exe Token: SeSecurityPrivilege 3836 TiWorker.exe Token: SeBackupPrivilege 3836 TiWorker.exe Token: SeRestorePrivilege 3836 TiWorker.exe Token: SeSecurityPrivilege 3836 TiWorker.exe Token: SeBackupPrivilege 3836 TiWorker.exe Token: SeRestorePrivilege 3836 TiWorker.exe Token: SeSecurityPrivilege 3836 TiWorker.exe Token: SeBackupPrivilege 3836 TiWorker.exe Token: SeRestorePrivilege 3836 TiWorker.exe Token: SeSecurityPrivilege 3836 TiWorker.exe Token: SeBackupPrivilege 3836 TiWorker.exe Token: SeRestorePrivilege 3836 TiWorker.exe Token: SeSecurityPrivilege 3836 TiWorker.exe Token: SeBackupPrivilege 3836 TiWorker.exe Token: SeRestorePrivilege 3836 TiWorker.exe Token: SeSecurityPrivilege 3836 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3216 wrote to memory of 396 3216 0f26ef8ce7234c4ff466ef2b1bba8d9ca4ede577756e0778e160170aa0abb4c6.exe 81 PID 3216 wrote to memory of 396 3216 0f26ef8ce7234c4ff466ef2b1bba8d9ca4ede577756e0778e160170aa0abb4c6.exe 81 PID 3216 wrote to memory of 396 3216 0f26ef8ce7234c4ff466ef2b1bba8d9ca4ede577756e0778e160170aa0abb4c6.exe 81 PID 3216 wrote to memory of 4144 3216 0f26ef8ce7234c4ff466ef2b1bba8d9ca4ede577756e0778e160170aa0abb4c6.exe 97 PID 3216 wrote to memory of 4144 3216 0f26ef8ce7234c4ff466ef2b1bba8d9ca4ede577756e0778e160170aa0abb4c6.exe 97 PID 3216 wrote to memory of 4144 3216 0f26ef8ce7234c4ff466ef2b1bba8d9ca4ede577756e0778e160170aa0abb4c6.exe 97 PID 4144 wrote to memory of 3932 4144 cmd.exe 99 PID 4144 wrote to memory of 3932 4144 cmd.exe 99 PID 4144 wrote to memory of 3932 4144 cmd.exe 99
Processes
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C:\Users\Admin\AppData\Local\Temp\0f26ef8ce7234c4ff466ef2b1bba8d9ca4ede577756e0778e160170aa0abb4c6.exe"C:\Users\Admin\AppData\Local\Temp\0f26ef8ce7234c4ff466ef2b1bba8d9ca4ede577756e0778e160170aa0abb4c6.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3216 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:396
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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\0f26ef8ce7234c4ff466ef2b1bba8d9ca4ede577756e0778e160170aa0abb4c6.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:4144 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3932
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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:4532
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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:3836