Analysis
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max time kernel
142s -
max time network
165s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
12-02-2022 09:50
Static task
static1
Behavioral task
behavioral1
Sample
08e4c158843ad1b53ae3d9449d98d51831b933cf6be12ab223de84d707bb8355.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
08e4c158843ad1b53ae3d9449d98d51831b933cf6be12ab223de84d707bb8355.exe
Resource
win10v2004-en-20220113
General
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Target
08e4c158843ad1b53ae3d9449d98d51831b933cf6be12ab223de84d707bb8355.exe
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Size
216KB
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MD5
3f43fa6162288b4705f38330b4a37eaf
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SHA1
98cfa1e05c5a033c504d29cab34d6d402fdecee2
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SHA256
08e4c158843ad1b53ae3d9449d98d51831b933cf6be12ab223de84d707bb8355
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SHA512
be072e1503f0627f93001ed1dbee4a56e913c31fbe1f83dc58eb05e9930902d18390db90f31f25d9d5697f6496adc10f597c5facb00bd2d102b00f7a0b8e90ee
Malware Config
Signatures
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Sakula Payload 4 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 behavioral2/memory/3772-135-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/5008-136-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 5008 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
08e4c158843ad1b53ae3d9449d98d51831b933cf6be12ab223de84d707bb8355.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation 08e4c158843ad1b53ae3d9449d98d51831b933cf6be12ab223de84d707bb8355.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
08e4c158843ad1b53ae3d9449d98d51831b933cf6be12ab223de84d707bb8355.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 08e4c158843ad1b53ae3d9449d98d51831b933cf6be12ab223de84d707bb8355.exe -
Drops file in Windows directory 8 IoCs
Processes:
TiWorker.exesvchost.exedescription 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
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
svchost.exe08e4c158843ad1b53ae3d9449d98d51831b933cf6be12ab223de84d707bb8355.exeTiWorker.exedescription pid process Token: SeShutdownPrivilege 296 svchost.exe Token: SeCreatePagefilePrivilege 296 svchost.exe Token: SeShutdownPrivilege 296 svchost.exe Token: SeCreatePagefilePrivilege 296 svchost.exe Token: SeShutdownPrivilege 296 svchost.exe Token: SeCreatePagefilePrivilege 296 svchost.exe Token: SeIncBasePriorityPrivilege 3772 08e4c158843ad1b53ae3d9449d98d51831b933cf6be12ab223de84d707bb8355.exe Token: SeSecurityPrivilege 2188 TiWorker.exe Token: SeRestorePrivilege 2188 TiWorker.exe Token: SeBackupPrivilege 2188 TiWorker.exe Token: SeBackupPrivilege 2188 TiWorker.exe Token: SeRestorePrivilege 2188 TiWorker.exe Token: SeSecurityPrivilege 2188 TiWorker.exe Token: SeBackupPrivilege 2188 TiWorker.exe Token: SeRestorePrivilege 2188 TiWorker.exe Token: SeSecurityPrivilege 2188 TiWorker.exe Token: SeBackupPrivilege 2188 TiWorker.exe Token: SeRestorePrivilege 2188 TiWorker.exe Token: SeSecurityPrivilege 2188 TiWorker.exe Token: SeBackupPrivilege 2188 TiWorker.exe Token: SeRestorePrivilege 2188 TiWorker.exe Token: SeSecurityPrivilege 2188 TiWorker.exe Token: SeBackupPrivilege 2188 TiWorker.exe Token: SeRestorePrivilege 2188 TiWorker.exe Token: SeSecurityPrivilege 2188 TiWorker.exe Token: SeBackupPrivilege 2188 TiWorker.exe Token: SeRestorePrivilege 2188 TiWorker.exe Token: SeSecurityPrivilege 2188 TiWorker.exe Token: SeBackupPrivilege 2188 TiWorker.exe Token: SeRestorePrivilege 2188 TiWorker.exe Token: SeSecurityPrivilege 2188 TiWorker.exe Token: SeBackupPrivilege 2188 TiWorker.exe Token: SeRestorePrivilege 2188 TiWorker.exe Token: SeSecurityPrivilege 2188 TiWorker.exe Token: SeBackupPrivilege 2188 TiWorker.exe Token: SeRestorePrivilege 2188 TiWorker.exe Token: SeSecurityPrivilege 2188 TiWorker.exe Token: SeBackupPrivilege 2188 TiWorker.exe Token: SeRestorePrivilege 2188 TiWorker.exe Token: SeSecurityPrivilege 2188 TiWorker.exe Token: SeBackupPrivilege 2188 TiWorker.exe Token: SeRestorePrivilege 2188 TiWorker.exe Token: SeSecurityPrivilege 2188 TiWorker.exe Token: SeBackupPrivilege 2188 TiWorker.exe Token: SeRestorePrivilege 2188 TiWorker.exe Token: SeSecurityPrivilege 2188 TiWorker.exe Token: SeBackupPrivilege 2188 TiWorker.exe Token: SeRestorePrivilege 2188 TiWorker.exe Token: SeSecurityPrivilege 2188 TiWorker.exe Token: SeBackupPrivilege 2188 TiWorker.exe Token: SeRestorePrivilege 2188 TiWorker.exe Token: SeSecurityPrivilege 2188 TiWorker.exe Token: SeBackupPrivilege 2188 TiWorker.exe Token: SeRestorePrivilege 2188 TiWorker.exe Token: SeSecurityPrivilege 2188 TiWorker.exe Token: SeBackupPrivilege 2188 TiWorker.exe Token: SeRestorePrivilege 2188 TiWorker.exe Token: SeSecurityPrivilege 2188 TiWorker.exe Token: SeBackupPrivilege 2188 TiWorker.exe Token: SeRestorePrivilege 2188 TiWorker.exe Token: SeSecurityPrivilege 2188 TiWorker.exe Token: SeBackupPrivilege 2188 TiWorker.exe Token: SeRestorePrivilege 2188 TiWorker.exe Token: SeSecurityPrivilege 2188 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
08e4c158843ad1b53ae3d9449d98d51831b933cf6be12ab223de84d707bb8355.execmd.exedescription pid process target process PID 3772 wrote to memory of 5008 3772 08e4c158843ad1b53ae3d9449d98d51831b933cf6be12ab223de84d707bb8355.exe MediaCenter.exe PID 3772 wrote to memory of 5008 3772 08e4c158843ad1b53ae3d9449d98d51831b933cf6be12ab223de84d707bb8355.exe MediaCenter.exe PID 3772 wrote to memory of 5008 3772 08e4c158843ad1b53ae3d9449d98d51831b933cf6be12ab223de84d707bb8355.exe MediaCenter.exe PID 3772 wrote to memory of 4956 3772 08e4c158843ad1b53ae3d9449d98d51831b933cf6be12ab223de84d707bb8355.exe cmd.exe PID 3772 wrote to memory of 4956 3772 08e4c158843ad1b53ae3d9449d98d51831b933cf6be12ab223de84d707bb8355.exe cmd.exe PID 3772 wrote to memory of 4956 3772 08e4c158843ad1b53ae3d9449d98d51831b933cf6be12ab223de84d707bb8355.exe cmd.exe PID 4956 wrote to memory of 3656 4956 cmd.exe PING.EXE PID 4956 wrote to memory of 3656 4956 cmd.exe PING.EXE PID 4956 wrote to memory of 3656 4956 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\08e4c158843ad1b53ae3d9449d98d51831b933cf6be12ab223de84d707bb8355.exe"C:\Users\Admin\AppData\Local\Temp\08e4c158843ad1b53ae3d9449d98d51831b933cf6be12ab223de84d707bb8355.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3772 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:5008 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\08e4c158843ad1b53ae3d9449d98d51831b933cf6be12ab223de84d707bb8355.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:4956 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3656
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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:296
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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:2188
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
ee6460b61261fce5e3dbda83d3f5c283
SHA15603fb6c60ea6d8320a027164db42a30570db52c
SHA256641d85e5a1ee26f6bf08f602a7c32cdee9fdd59865decacf7dc61d179c1fcec3
SHA51297ca230d07866a2afe91c273daec8f5dc119b87519d158cd8e4aea08a3113b09c102d40bee9ef41709808efc9d95e8a20e6128b644262ca8e4cf17c1dacddf2f
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
ee6460b61261fce5e3dbda83d3f5c283
SHA15603fb6c60ea6d8320a027164db42a30570db52c
SHA256641d85e5a1ee26f6bf08f602a7c32cdee9fdd59865decacf7dc61d179c1fcec3
SHA51297ca230d07866a2afe91c273daec8f5dc119b87519d158cd8e4aea08a3113b09c102d40bee9ef41709808efc9d95e8a20e6128b644262ca8e4cf17c1dacddf2f
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memory/296-132-0x000001E0C2190000-0x000001E0C21A0000-memory.dmpFilesize
64KB
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memory/296-133-0x000001E0C2720000-0x000001E0C2730000-memory.dmpFilesize
64KB
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memory/296-134-0x000001E0C4E10000-0x000001E0C4E14000-memory.dmpFilesize
16KB
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memory/3772-135-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/5008-136-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB