Analysis
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max time kernel
151s -
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
0f25d47ec76d4a77f3021476540f22cb661903a133e1b89e66a1e32939cbcf8e.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0f25d47ec76d4a77f3021476540f22cb661903a133e1b89e66a1e32939cbcf8e.exe
Resource
win10v2004-en-20220113
General
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Target
0f25d47ec76d4a77f3021476540f22cb661903a133e1b89e66a1e32939cbcf8e.exe
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Size
216KB
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MD5
dcf24fd64d23e0df45cf690539043a24
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SHA1
7e05655270678ec0eba9a13d0fc9edfb1845c04e
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SHA256
0f25d47ec76d4a77f3021476540f22cb661903a133e1b89e66a1e32939cbcf8e
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SHA512
d2dd9f6e1ac17b525675ec1ab6925cb61e530dc0a5e8aa43d692ffb34156ad7d493035d1a6d728cebabfe59841cfa03cde3b5d7a6d1c127706e5dc93bf18e82e
Malware Config
Signatures
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Sakula Payload 4 IoCs
resource yara_rule behavioral2/files/0x000400000001e7d1-130.dat family_sakula behavioral2/files/0x000400000001e7d1-131.dat family_sakula behavioral2/memory/1600-132-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/2008-136-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula -
Executes dropped EXE 1 IoCs
pid Process 2008 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 0f25d47ec76d4a77f3021476540f22cb661903a133e1b89e66a1e32939cbcf8e.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" 0f25d47ec76d4a77f3021476540f22cb661903a133e1b89e66a1e32939cbcf8e.exe -
Drops file in Windows directory 8 IoCs
description ioc Process 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 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 -
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 3580 PING.EXE -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 1600 0f25d47ec76d4a77f3021476540f22cb661903a133e1b89e66a1e32939cbcf8e.exe Token: SeShutdownPrivilege 3068 svchost.exe Token: SeCreatePagefilePrivilege 3068 svchost.exe Token: SeShutdownPrivilege 3068 svchost.exe Token: SeCreatePagefilePrivilege 3068 svchost.exe Token: SeShutdownPrivilege 3068 svchost.exe Token: SeCreatePagefilePrivilege 3068 svchost.exe Token: SeSecurityPrivilege 4872 TiWorker.exe Token: SeRestorePrivilege 4872 TiWorker.exe Token: SeBackupPrivilege 4872 TiWorker.exe Token: SeBackupPrivilege 4872 TiWorker.exe Token: SeRestorePrivilege 4872 TiWorker.exe Token: SeSecurityPrivilege 4872 TiWorker.exe Token: SeBackupPrivilege 4872 TiWorker.exe Token: SeRestorePrivilege 4872 TiWorker.exe Token: SeSecurityPrivilege 4872 TiWorker.exe Token: SeBackupPrivilege 4872 TiWorker.exe Token: SeRestorePrivilege 4872 TiWorker.exe Token: SeSecurityPrivilege 4872 TiWorker.exe Token: SeBackupPrivilege 4872 TiWorker.exe Token: SeRestorePrivilege 4872 TiWorker.exe Token: SeSecurityPrivilege 4872 TiWorker.exe Token: SeBackupPrivilege 4872 TiWorker.exe Token: SeRestorePrivilege 4872 TiWorker.exe Token: SeSecurityPrivilege 4872 TiWorker.exe Token: SeBackupPrivilege 4872 TiWorker.exe Token: SeRestorePrivilege 4872 TiWorker.exe Token: SeSecurityPrivilege 4872 TiWorker.exe Token: SeBackupPrivilege 4872 TiWorker.exe Token: SeRestorePrivilege 4872 TiWorker.exe Token: SeSecurityPrivilege 4872 TiWorker.exe Token: SeBackupPrivilege 4872 TiWorker.exe Token: SeRestorePrivilege 4872 TiWorker.exe Token: SeSecurityPrivilege 4872 TiWorker.exe Token: SeBackupPrivilege 4872 TiWorker.exe Token: SeRestorePrivilege 4872 TiWorker.exe Token: SeSecurityPrivilege 4872 TiWorker.exe Token: SeBackupPrivilege 4872 TiWorker.exe Token: SeRestorePrivilege 4872 TiWorker.exe Token: SeSecurityPrivilege 4872 TiWorker.exe Token: SeBackupPrivilege 4872 TiWorker.exe Token: SeRestorePrivilege 4872 TiWorker.exe Token: SeSecurityPrivilege 4872 TiWorker.exe Token: SeBackupPrivilege 4872 TiWorker.exe Token: SeRestorePrivilege 4872 TiWorker.exe Token: SeSecurityPrivilege 4872 TiWorker.exe Token: SeBackupPrivilege 4872 TiWorker.exe Token: SeRestorePrivilege 4872 TiWorker.exe Token: SeSecurityPrivilege 4872 TiWorker.exe Token: SeBackupPrivilege 4872 TiWorker.exe Token: SeRestorePrivilege 4872 TiWorker.exe Token: SeSecurityPrivilege 4872 TiWorker.exe Token: SeBackupPrivilege 4872 TiWorker.exe Token: SeRestorePrivilege 4872 TiWorker.exe Token: SeSecurityPrivilege 4872 TiWorker.exe Token: SeBackupPrivilege 4872 TiWorker.exe Token: SeRestorePrivilege 4872 TiWorker.exe Token: SeSecurityPrivilege 4872 TiWorker.exe Token: SeBackupPrivilege 4872 TiWorker.exe Token: SeRestorePrivilege 4872 TiWorker.exe Token: SeSecurityPrivilege 4872 TiWorker.exe Token: SeBackupPrivilege 4872 TiWorker.exe Token: SeRestorePrivilege 4872 TiWorker.exe Token: SeSecurityPrivilege 4872 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1600 wrote to memory of 2008 1600 0f25d47ec76d4a77f3021476540f22cb661903a133e1b89e66a1e32939cbcf8e.exe 82 PID 1600 wrote to memory of 2008 1600 0f25d47ec76d4a77f3021476540f22cb661903a133e1b89e66a1e32939cbcf8e.exe 82 PID 1600 wrote to memory of 2008 1600 0f25d47ec76d4a77f3021476540f22cb661903a133e1b89e66a1e32939cbcf8e.exe 82 PID 1600 wrote to memory of 1704 1600 0f25d47ec76d4a77f3021476540f22cb661903a133e1b89e66a1e32939cbcf8e.exe 91 PID 1600 wrote to memory of 1704 1600 0f25d47ec76d4a77f3021476540f22cb661903a133e1b89e66a1e32939cbcf8e.exe 91 PID 1600 wrote to memory of 1704 1600 0f25d47ec76d4a77f3021476540f22cb661903a133e1b89e66a1e32939cbcf8e.exe 91 PID 1704 wrote to memory of 3580 1704 cmd.exe 94 PID 1704 wrote to memory of 3580 1704 cmd.exe 94 PID 1704 wrote to memory of 3580 1704 cmd.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\0f25d47ec76d4a77f3021476540f22cb661903a133e1b89e66a1e32939cbcf8e.exe"C:\Users\Admin\AppData\Local\Temp\0f25d47ec76d4a77f3021476540f22cb661903a133e1b89e66a1e32939cbcf8e.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1600 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2008
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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\0f25d47ec76d4a77f3021476540f22cb661903a133e1b89e66a1e32939cbcf8e.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1704 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3580
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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:3068
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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:4872