Analysis
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max time kernel
161s -
max time network
170s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
12/02/2022, 06:39
Static task
static1
Behavioral task
behavioral1
Sample
0f59b967edc7239c3d8869d516b06b25349f8d24a2a57f016094c9322194e0c7.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0f59b967edc7239c3d8869d516b06b25349f8d24a2a57f016094c9322194e0c7.exe
Resource
win10v2004-en-20220113
General
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Target
0f59b967edc7239c3d8869d516b06b25349f8d24a2a57f016094c9322194e0c7.exe
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Size
101KB
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MD5
ff9641541516d4a9967cc3ab3ee42645
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SHA1
be27868c462630a5c8e000dffe49bff8a3c659e4
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SHA256
0f59b967edc7239c3d8869d516b06b25349f8d24a2a57f016094c9322194e0c7
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SHA512
cf4541029a619cd71fcab55bbb54b0289c8e00f2485ac9e1adbffde2071b6861ee158666f660ff01a73edd8abe0636289c5febb710ff6d26d16d56d37ce36a54
Malware Config
Signatures
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Sakula Payload 2 IoCs
resource yara_rule behavioral2/files/0x000700000001e8c2-130.dat family_sakula behavioral2/files/0x000700000001e8c2-131.dat family_sakula -
Executes dropped EXE 1 IoCs
pid Process 2764 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 0f59b967edc7239c3d8869d516b06b25349f8d24a2a57f016094c9322194e0c7.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" 0f59b967edc7239c3d8869d516b06b25349f8d24a2a57f016094c9322194e0c7.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 2112 PING.EXE -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 3344 svchost.exe Token: SeCreatePagefilePrivilege 3344 svchost.exe Token: SeShutdownPrivilege 3344 svchost.exe Token: SeCreatePagefilePrivilege 3344 svchost.exe Token: SeShutdownPrivilege 3344 svchost.exe Token: SeCreatePagefilePrivilege 3344 svchost.exe Token: SeIncBasePriorityPrivilege 4548 0f59b967edc7239c3d8869d516b06b25349f8d24a2a57f016094c9322194e0c7.exe Token: SeSecurityPrivilege 4424 TiWorker.exe Token: SeRestorePrivilege 4424 TiWorker.exe Token: SeBackupPrivilege 4424 TiWorker.exe Token: SeBackupPrivilege 4424 TiWorker.exe Token: SeRestorePrivilege 4424 TiWorker.exe Token: SeSecurityPrivilege 4424 TiWorker.exe Token: SeBackupPrivilege 4424 TiWorker.exe Token: SeRestorePrivilege 4424 TiWorker.exe Token: SeSecurityPrivilege 4424 TiWorker.exe Token: SeBackupPrivilege 4424 TiWorker.exe Token: SeRestorePrivilege 4424 TiWorker.exe Token: SeSecurityPrivilege 4424 TiWorker.exe Token: SeBackupPrivilege 4424 TiWorker.exe Token: SeRestorePrivilege 4424 TiWorker.exe Token: SeSecurityPrivilege 4424 TiWorker.exe Token: SeBackupPrivilege 4424 TiWorker.exe Token: SeRestorePrivilege 4424 TiWorker.exe Token: SeSecurityPrivilege 4424 TiWorker.exe Token: SeBackupPrivilege 4424 TiWorker.exe Token: SeRestorePrivilege 4424 TiWorker.exe Token: SeSecurityPrivilege 4424 TiWorker.exe Token: SeBackupPrivilege 4424 TiWorker.exe Token: SeRestorePrivilege 4424 TiWorker.exe Token: SeSecurityPrivilege 4424 TiWorker.exe Token: SeBackupPrivilege 4424 TiWorker.exe Token: SeRestorePrivilege 4424 TiWorker.exe Token: SeSecurityPrivilege 4424 TiWorker.exe Token: SeBackupPrivilege 4424 TiWorker.exe Token: SeRestorePrivilege 4424 TiWorker.exe Token: SeSecurityPrivilege 4424 TiWorker.exe Token: SeBackupPrivilege 4424 TiWorker.exe Token: SeRestorePrivilege 4424 TiWorker.exe Token: SeSecurityPrivilege 4424 TiWorker.exe Token: SeBackupPrivilege 4424 TiWorker.exe Token: SeRestorePrivilege 4424 TiWorker.exe Token: SeSecurityPrivilege 4424 TiWorker.exe Token: SeBackupPrivilege 4424 TiWorker.exe Token: SeRestorePrivilege 4424 TiWorker.exe Token: SeSecurityPrivilege 4424 TiWorker.exe Token: SeBackupPrivilege 4424 TiWorker.exe Token: SeRestorePrivilege 4424 TiWorker.exe Token: SeSecurityPrivilege 4424 TiWorker.exe Token: SeBackupPrivilege 4424 TiWorker.exe Token: SeRestorePrivilege 4424 TiWorker.exe Token: SeSecurityPrivilege 4424 TiWorker.exe Token: SeBackupPrivilege 4424 TiWorker.exe Token: SeRestorePrivilege 4424 TiWorker.exe Token: SeSecurityPrivilege 4424 TiWorker.exe Token: SeBackupPrivilege 4424 TiWorker.exe Token: SeRestorePrivilege 4424 TiWorker.exe Token: SeSecurityPrivilege 4424 TiWorker.exe Token: SeBackupPrivilege 4424 TiWorker.exe Token: SeRestorePrivilege 4424 TiWorker.exe Token: SeSecurityPrivilege 4424 TiWorker.exe Token: SeBackupPrivilege 4424 TiWorker.exe Token: SeRestorePrivilege 4424 TiWorker.exe Token: SeSecurityPrivilege 4424 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4548 wrote to memory of 2764 4548 0f59b967edc7239c3d8869d516b06b25349f8d24a2a57f016094c9322194e0c7.exe 82 PID 4548 wrote to memory of 2764 4548 0f59b967edc7239c3d8869d516b06b25349f8d24a2a57f016094c9322194e0c7.exe 82 PID 4548 wrote to memory of 2764 4548 0f59b967edc7239c3d8869d516b06b25349f8d24a2a57f016094c9322194e0c7.exe 82 PID 4548 wrote to memory of 2144 4548 0f59b967edc7239c3d8869d516b06b25349f8d24a2a57f016094c9322194e0c7.exe 99 PID 4548 wrote to memory of 2144 4548 0f59b967edc7239c3d8869d516b06b25349f8d24a2a57f016094c9322194e0c7.exe 99 PID 4548 wrote to memory of 2144 4548 0f59b967edc7239c3d8869d516b06b25349f8d24a2a57f016094c9322194e0c7.exe 99 PID 2144 wrote to memory of 2112 2144 cmd.exe 101 PID 2144 wrote to memory of 2112 2144 cmd.exe 101 PID 2144 wrote to memory of 2112 2144 cmd.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\0f59b967edc7239c3d8869d516b06b25349f8d24a2a57f016094c9322194e0c7.exe"C:\Users\Admin\AppData\Local\Temp\0f59b967edc7239c3d8869d516b06b25349f8d24a2a57f016094c9322194e0c7.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4548 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2764
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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\0f59b967edc7239c3d8869d516b06b25349f8d24a2a57f016094c9322194e0c7.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2144 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2112
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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:3344
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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:4424