Analysis
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max time kernel
150s -
max time network
167s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
12-02-2022 10:54
Static task
static1
Behavioral task
behavioral1
Sample
05d937ee6b04d9c64e2ba0abe440b5e888e1b70fc8bf4a0518f896d08aa6a6d2.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
05d937ee6b04d9c64e2ba0abe440b5e888e1b70fc8bf4a0518f896d08aa6a6d2.exe
Resource
win10v2004-en-20220113
General
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Target
05d937ee6b04d9c64e2ba0abe440b5e888e1b70fc8bf4a0518f896d08aa6a6d2.exe
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Size
192KB
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MD5
0a14b6a5b5bef15d7418404c5a3f8ca2
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SHA1
df74b88e00e15d3863c45ddc309e224d93fcdb04
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SHA256
05d937ee6b04d9c64e2ba0abe440b5e888e1b70fc8bf4a0518f896d08aa6a6d2
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SHA512
062fae83a3c26e92b60700de310544d125caa9377cb4b140d09c963c413d69875ca7dc1fc17973a444f073f20c8b7e74d3764cb79c75b78239f28ffc4ed9079a
Malware Config
Signatures
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Sakula Payload 2 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe family_sakula C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe family_sakula -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 3476 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
05d937ee6b04d9c64e2ba0abe440b5e888e1b70fc8bf4a0518f896d08aa6a6d2.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation 05d937ee6b04d9c64e2ba0abe440b5e888e1b70fc8bf4a0518f896d08aa6a6d2.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
05d937ee6b04d9c64e2ba0abe440b5e888e1b70fc8bf4a0518f896d08aa6a6d2.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 05d937ee6b04d9c64e2ba0abe440b5e888e1b70fc8bf4a0518f896d08aa6a6d2.exe -
Drops file in Windows directory 8 IoCs
Processes:
svchost.exeTiWorker.exedescription 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
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
svchost.exe05d937ee6b04d9c64e2ba0abe440b5e888e1b70fc8bf4a0518f896d08aa6a6d2.exeTiWorker.exedescription pid process Token: SeShutdownPrivilege 4004 svchost.exe Token: SeCreatePagefilePrivilege 4004 svchost.exe Token: SeShutdownPrivilege 4004 svchost.exe Token: SeCreatePagefilePrivilege 4004 svchost.exe Token: SeShutdownPrivilege 4004 svchost.exe Token: SeCreatePagefilePrivilege 4004 svchost.exe Token: SeIncBasePriorityPrivilege 760 05d937ee6b04d9c64e2ba0abe440b5e888e1b70fc8bf4a0518f896d08aa6a6d2.exe Token: SeSecurityPrivilege 3152 TiWorker.exe Token: SeRestorePrivilege 3152 TiWorker.exe Token: SeBackupPrivilege 3152 TiWorker.exe Token: SeBackupPrivilege 3152 TiWorker.exe Token: SeRestorePrivilege 3152 TiWorker.exe Token: SeSecurityPrivilege 3152 TiWorker.exe Token: SeBackupPrivilege 3152 TiWorker.exe Token: SeRestorePrivilege 3152 TiWorker.exe Token: SeSecurityPrivilege 3152 TiWorker.exe Token: SeBackupPrivilege 3152 TiWorker.exe Token: SeRestorePrivilege 3152 TiWorker.exe Token: SeSecurityPrivilege 3152 TiWorker.exe Token: SeBackupPrivilege 3152 TiWorker.exe Token: SeRestorePrivilege 3152 TiWorker.exe Token: SeSecurityPrivilege 3152 TiWorker.exe Token: SeBackupPrivilege 3152 TiWorker.exe Token: SeRestorePrivilege 3152 TiWorker.exe Token: SeSecurityPrivilege 3152 TiWorker.exe Token: SeBackupPrivilege 3152 TiWorker.exe Token: SeRestorePrivilege 3152 TiWorker.exe Token: SeSecurityPrivilege 3152 TiWorker.exe Token: SeBackupPrivilege 3152 TiWorker.exe Token: SeRestorePrivilege 3152 TiWorker.exe Token: SeSecurityPrivilege 3152 TiWorker.exe Token: SeBackupPrivilege 3152 TiWorker.exe Token: SeRestorePrivilege 3152 TiWorker.exe Token: SeSecurityPrivilege 3152 TiWorker.exe Token: SeBackupPrivilege 3152 TiWorker.exe Token: SeRestorePrivilege 3152 TiWorker.exe Token: SeSecurityPrivilege 3152 TiWorker.exe Token: SeBackupPrivilege 3152 TiWorker.exe Token: SeRestorePrivilege 3152 TiWorker.exe Token: SeSecurityPrivilege 3152 TiWorker.exe Token: SeBackupPrivilege 3152 TiWorker.exe Token: SeRestorePrivilege 3152 TiWorker.exe Token: SeSecurityPrivilege 3152 TiWorker.exe Token: SeBackupPrivilege 3152 TiWorker.exe Token: SeRestorePrivilege 3152 TiWorker.exe Token: SeSecurityPrivilege 3152 TiWorker.exe Token: SeBackupPrivilege 3152 TiWorker.exe Token: SeRestorePrivilege 3152 TiWorker.exe Token: SeSecurityPrivilege 3152 TiWorker.exe Token: SeBackupPrivilege 3152 TiWorker.exe Token: SeRestorePrivilege 3152 TiWorker.exe Token: SeSecurityPrivilege 3152 TiWorker.exe Token: SeBackupPrivilege 3152 TiWorker.exe Token: SeRestorePrivilege 3152 TiWorker.exe Token: SeSecurityPrivilege 3152 TiWorker.exe Token: SeBackupPrivilege 3152 TiWorker.exe Token: SeRestorePrivilege 3152 TiWorker.exe Token: SeSecurityPrivilege 3152 TiWorker.exe Token: SeBackupPrivilege 3152 TiWorker.exe Token: SeRestorePrivilege 3152 TiWorker.exe Token: SeSecurityPrivilege 3152 TiWorker.exe Token: SeBackupPrivilege 3152 TiWorker.exe Token: SeRestorePrivilege 3152 TiWorker.exe Token: SeSecurityPrivilege 3152 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
05d937ee6b04d9c64e2ba0abe440b5e888e1b70fc8bf4a0518f896d08aa6a6d2.execmd.exedescription pid process target process PID 760 wrote to memory of 3476 760 05d937ee6b04d9c64e2ba0abe440b5e888e1b70fc8bf4a0518f896d08aa6a6d2.exe MediaCenter.exe PID 760 wrote to memory of 3476 760 05d937ee6b04d9c64e2ba0abe440b5e888e1b70fc8bf4a0518f896d08aa6a6d2.exe MediaCenter.exe PID 760 wrote to memory of 3476 760 05d937ee6b04d9c64e2ba0abe440b5e888e1b70fc8bf4a0518f896d08aa6a6d2.exe MediaCenter.exe PID 760 wrote to memory of 3380 760 05d937ee6b04d9c64e2ba0abe440b5e888e1b70fc8bf4a0518f896d08aa6a6d2.exe cmd.exe PID 760 wrote to memory of 3380 760 05d937ee6b04d9c64e2ba0abe440b5e888e1b70fc8bf4a0518f896d08aa6a6d2.exe cmd.exe PID 760 wrote to memory of 3380 760 05d937ee6b04d9c64e2ba0abe440b5e888e1b70fc8bf4a0518f896d08aa6a6d2.exe cmd.exe PID 3380 wrote to memory of 3628 3380 cmd.exe PING.EXE PID 3380 wrote to memory of 3628 3380 cmd.exe PING.EXE PID 3380 wrote to memory of 3628 3380 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\05d937ee6b04d9c64e2ba0abe440b5e888e1b70fc8bf4a0518f896d08aa6a6d2.exe"C:\Users\Admin\AppData\Local\Temp\05d937ee6b04d9c64e2ba0abe440b5e888e1b70fc8bf4a0518f896d08aa6a6d2.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:760 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3476 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\05d937ee6b04d9c64e2ba0abe440b5e888e1b70fc8bf4a0518f896d08aa6a6d2.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3380 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3628
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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:4004
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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:3152
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
b9257169f8a5239653ea0058a7b83d3c
SHA1a8d649ee7b8c880570623f34291ad876b661210a
SHA256415d47ded67debeba97c265e19c55b08d565dbf98f84033743aa5a8a111076a0
SHA51292bd9f7a3a84d1577f03e96394206cecedf7bcc1989a6c4a6e49ce3b482ce76be719041a6b960e37124d07e105561939ffe0825991794b3b2db4740b567e2d56
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
b9257169f8a5239653ea0058a7b83d3c
SHA1a8d649ee7b8c880570623f34291ad876b661210a
SHA256415d47ded67debeba97c265e19c55b08d565dbf98f84033743aa5a8a111076a0
SHA51292bd9f7a3a84d1577f03e96394206cecedf7bcc1989a6c4a6e49ce3b482ce76be719041a6b960e37124d07e105561939ffe0825991794b3b2db4740b567e2d56
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memory/4004-135-0x0000021E08970000-0x0000021E08980000-memory.dmpFilesize
64KB
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memory/4004-136-0x0000021E089A0000-0x0000021E089B0000-memory.dmpFilesize
64KB
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memory/4004-137-0x0000021E0B6C0000-0x0000021E0B6C4000-memory.dmpFilesize
16KB