Analysis
- max time kernel
160s - max time network
168s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
12/02/2022, 04:51
Static task
static1
Behavioral task
behavioral1
Sample
14423e0481a8f623d3f9a1461d2bb9ff3416379f3ea7a32f2a2751a0313c6623.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
14423e0481a8f623d3f9a1461d2bb9ff3416379f3ea7a32f2a2751a0313c6623.exe
Resource
win10v2004-en-20220113
windows10-2004_x64
0 signatures
0 seconds
General
- Target 14423e0481a8f623d3f9a1461d2bb9ff3416379f3ea7a32f2a2751a0313c6623.exe
- Size 216KB
- Sample220212-fgsm4agbf3
- SHA256 14423e0481a8f623d3f9a1461d2bb9ff3416379f3ea7a32f2a2751a0313c6623
- MD5 4ec1af67fa82a53db463c247ae3d9d49
- SHA1 0703245828b8d54711572721da4b2f45b2008e86
- SHA512 59cbc08d252c113e9a78d8ce6cb61a2caf89e7feab1d3070ef1f3f42e4506a277ddf887ff5f966d2e10ada150b1dd4710e0dc558e90a4981caad34570bcaa5e9
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- Sakula Payload 4 IoCs
resource yara_rule behavioral2/files/0x000400000001e795-130.dat family_sakula behavioral2/files/0x000400000001e795-131.dat family_sakula behavioral2/memory/4908-135-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/4600-136-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula - Executes dropped EXE 1 IoCs
pid Process 4600 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 14423e0481a8f623d3f9a1461d2bb9ff3416379f3ea7a32f2a2751a0313c6623.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" 14423e0481a8f623d3f9a1461d2bb9ff3416379f3ea7a32f2a2751a0313c6623.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.
- Runs ping.exe 1 TTPs 1 IoCs
pid Process 956 PING.EXE - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 2800 svchost.exe Token: SeCreatePagefilePrivilege 2800 svchost.exe Token: SeShutdownPrivilege 2800 svchost.exe Token: SeCreatePagefilePrivilege 2800 svchost.exe Token: SeShutdownPrivilege 2800 svchost.exe Token: SeCreatePagefilePrivilege 2800 svchost.exe Token: SeIncBasePriorityPrivilege 4908 14423e0481a8f623d3f9a1461d2bb9ff3416379f3ea7a32f2a2751a0313c6623.exe Token: SeSecurityPrivilege 1256 TiWorker.exe Token: SeRestorePrivilege 1256 TiWorker.exe Token: SeBackupPrivilege 1256 TiWorker.exe Token: SeBackupPrivilege 1256 TiWorker.exe Token: SeRestorePrivilege 1256 TiWorker.exe Token: SeSecurityPrivilege 1256 TiWorker.exe Token: SeBackupPrivilege 1256 TiWorker.exe Token: SeRestorePrivilege 1256 TiWorker.exe Token: SeSecurityPrivilege 1256 TiWorker.exe Token: SeBackupPrivilege 1256 TiWorker.exe Token: SeRestorePrivilege 1256 TiWorker.exe Token: SeSecurityPrivilege 1256 TiWorker.exe Token: SeBackupPrivilege 1256 TiWorker.exe Token: SeRestorePrivilege 1256 TiWorker.exe Token: SeSecurityPrivilege 1256 TiWorker.exe Token: SeBackupPrivilege 1256 TiWorker.exe Token: SeRestorePrivilege 1256 TiWorker.exe Token: SeSecurityPrivilege 1256 TiWorker.exe Token: SeBackupPrivilege 1256 TiWorker.exe Token: SeRestorePrivilege 1256 TiWorker.exe Token: SeSecurityPrivilege 1256 TiWorker.exe Token: SeBackupPrivilege 1256 TiWorker.exe Token: SeRestorePrivilege 1256 TiWorker.exe Token: SeSecurityPrivilege 1256 TiWorker.exe Token: SeBackupPrivilege 1256 TiWorker.exe Token: SeRestorePrivilege 1256 TiWorker.exe Token: SeSecurityPrivilege 1256 TiWorker.exe Token: SeBackupPrivilege 1256 TiWorker.exe Token: SeRestorePrivilege 1256 TiWorker.exe Token: SeSecurityPrivilege 1256 TiWorker.exe Token: SeBackupPrivilege 1256 TiWorker.exe Token: SeRestorePrivilege 1256 TiWorker.exe Token: SeSecurityPrivilege 1256 TiWorker.exe Token: SeBackupPrivilege 1256 TiWorker.exe Token: SeRestorePrivilege 1256 TiWorker.exe Token: SeSecurityPrivilege 1256 TiWorker.exe Token: SeBackupPrivilege 1256 TiWorker.exe Token: SeRestorePrivilege 1256 TiWorker.exe Token: SeSecurityPrivilege 1256 TiWorker.exe Token: SeBackupPrivilege 1256 TiWorker.exe Token: SeRestorePrivilege 1256 TiWorker.exe Token: SeSecurityPrivilege 1256 TiWorker.exe Token: SeBackupPrivilege 1256 TiWorker.exe Token: SeRestorePrivilege 1256 TiWorker.exe Token: SeSecurityPrivilege 1256 TiWorker.exe Token: SeBackupPrivilege 1256 TiWorker.exe Token: SeRestorePrivilege 1256 TiWorker.exe Token: SeSecurityPrivilege 1256 TiWorker.exe Token: SeBackupPrivilege 1256 TiWorker.exe Token: SeRestorePrivilege 1256 TiWorker.exe Token: SeSecurityPrivilege 1256 TiWorker.exe Token: SeBackupPrivilege 1256 TiWorker.exe Token: SeRestorePrivilege 1256 TiWorker.exe Token: SeSecurityPrivilege 1256 TiWorker.exe Token: SeBackupPrivilege 1256 TiWorker.exe Token: SeRestorePrivilege 1256 TiWorker.exe Token: SeSecurityPrivilege 1256 TiWorker.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4908 wrote to memory of 4600 4908 14423e0481a8f623d3f9a1461d2bb9ff3416379f3ea7a32f2a2751a0313c6623.exe 81 PID 4908 wrote to memory of 4600 4908 14423e0481a8f623d3f9a1461d2bb9ff3416379f3ea7a32f2a2751a0313c6623.exe 81 PID 4908 wrote to memory of 4600 4908 14423e0481a8f623d3f9a1461d2bb9ff3416379f3ea7a32f2a2751a0313c6623.exe 81 PID 4908 wrote to memory of 1716 4908 14423e0481a8f623d3f9a1461d2bb9ff3416379f3ea7a32f2a2751a0313c6623.exe 91 PID 4908 wrote to memory of 1716 4908 14423e0481a8f623d3f9a1461d2bb9ff3416379f3ea7a32f2a2751a0313c6623.exe 91 PID 4908 wrote to memory of 1716 4908 14423e0481a8f623d3f9a1461d2bb9ff3416379f3ea7a32f2a2751a0313c6623.exe 91 PID 1716 wrote to memory of 956 1716 cmd.exe 93 PID 1716 wrote to memory of 956 1716 cmd.exe 93 PID 1716 wrote to memory of 956 1716 cmd.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\14423e0481a8f623d3f9a1461d2bb9ff3416379f3ea7a32f2a2751a0313c6623.exe"C:\Users\Admin\AppData\Local\Temp\14423e0481a8f623d3f9a1461d2bb9ff3416379f3ea7a32f2a2751a0313c6623.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4908 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:4600
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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\14423e0481a8f623d3f9a1461d2bb9ff3416379f3ea7a32f2a2751a0313c6623.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1716 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:956
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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:2800
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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:1256