Analysis
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max time kernel
157s -
max time network
164s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
12-02-2022 02:49
Static task
static1
Behavioral task
behavioral1
Sample
1963d2c7f72cbd4fdcd729631dc0a62df3706e5f6e2b0e3d5d5f9872d14519c8.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
1963d2c7f72cbd4fdcd729631dc0a62df3706e5f6e2b0e3d5d5f9872d14519c8.exe
Resource
win10v2004-en-20220113
General
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Target
1963d2c7f72cbd4fdcd729631dc0a62df3706e5f6e2b0e3d5d5f9872d14519c8.exe
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Size
150KB
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MD5
009853d37d8ae0bfc7df75c01e7476c2
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SHA1
1fafd3533553c89bd0c10db421b7aa2a0de29b93
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SHA256
1963d2c7f72cbd4fdcd729631dc0a62df3706e5f6e2b0e3d5d5f9872d14519c8
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SHA512
5e122c43081abcac557145430e10890c762daf46989d5f48df77d3eab565400b180744da2c9f0c087697bbf15c039862c745680f3ec94a1255428f68dc2d1b5e
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 3968 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
1963d2c7f72cbd4fdcd729631dc0a62df3706e5f6e2b0e3d5d5f9872d14519c8.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation 1963d2c7f72cbd4fdcd729631dc0a62df3706e5f6e2b0e3d5d5f9872d14519c8.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
1963d2c7f72cbd4fdcd729631dc0a62df3706e5f6e2b0e3d5d5f9872d14519c8.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 1963d2c7f72cbd4fdcd729631dc0a62df3706e5f6e2b0e3d5d5f9872d14519c8.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.exeTiWorker.exedescription pid process Token: SeShutdownPrivilege 1104 svchost.exe Token: SeCreatePagefilePrivilege 1104 svchost.exe Token: SeShutdownPrivilege 1104 svchost.exe Token: SeCreatePagefilePrivilege 1104 svchost.exe Token: SeShutdownPrivilege 1104 svchost.exe Token: SeCreatePagefilePrivilege 1104 svchost.exe Token: SeSecurityPrivilege 3536 TiWorker.exe Token: SeRestorePrivilege 3536 TiWorker.exe Token: SeBackupPrivilege 3536 TiWorker.exe Token: SeBackupPrivilege 3536 TiWorker.exe Token: SeRestorePrivilege 3536 TiWorker.exe Token: SeSecurityPrivilege 3536 TiWorker.exe Token: SeBackupPrivilege 3536 TiWorker.exe Token: SeRestorePrivilege 3536 TiWorker.exe Token: SeSecurityPrivilege 3536 TiWorker.exe Token: SeBackupPrivilege 3536 TiWorker.exe Token: SeRestorePrivilege 3536 TiWorker.exe Token: SeSecurityPrivilege 3536 TiWorker.exe Token: SeBackupPrivilege 3536 TiWorker.exe Token: SeRestorePrivilege 3536 TiWorker.exe Token: SeSecurityPrivilege 3536 TiWorker.exe Token: SeBackupPrivilege 3536 TiWorker.exe Token: SeRestorePrivilege 3536 TiWorker.exe Token: SeSecurityPrivilege 3536 TiWorker.exe Token: SeBackupPrivilege 3536 TiWorker.exe Token: SeRestorePrivilege 3536 TiWorker.exe Token: SeSecurityPrivilege 3536 TiWorker.exe Token: SeBackupPrivilege 3536 TiWorker.exe Token: SeRestorePrivilege 3536 TiWorker.exe Token: SeSecurityPrivilege 3536 TiWorker.exe Token: SeBackupPrivilege 3536 TiWorker.exe Token: SeRestorePrivilege 3536 TiWorker.exe Token: SeSecurityPrivilege 3536 TiWorker.exe Token: SeBackupPrivilege 3536 TiWorker.exe Token: SeRestorePrivilege 3536 TiWorker.exe Token: SeSecurityPrivilege 3536 TiWorker.exe Token: SeBackupPrivilege 3536 TiWorker.exe Token: SeRestorePrivilege 3536 TiWorker.exe Token: SeSecurityPrivilege 3536 TiWorker.exe Token: SeBackupPrivilege 3536 TiWorker.exe Token: SeRestorePrivilege 3536 TiWorker.exe Token: SeSecurityPrivilege 3536 TiWorker.exe Token: SeBackupPrivilege 3536 TiWorker.exe Token: SeRestorePrivilege 3536 TiWorker.exe Token: SeSecurityPrivilege 3536 TiWorker.exe Token: SeBackupPrivilege 3536 TiWorker.exe Token: SeRestorePrivilege 3536 TiWorker.exe Token: SeSecurityPrivilege 3536 TiWorker.exe Token: SeBackupPrivilege 3536 TiWorker.exe Token: SeRestorePrivilege 3536 TiWorker.exe Token: SeSecurityPrivilege 3536 TiWorker.exe Token: SeBackupPrivilege 3536 TiWorker.exe Token: SeRestorePrivilege 3536 TiWorker.exe Token: SeSecurityPrivilege 3536 TiWorker.exe Token: SeBackupPrivilege 3536 TiWorker.exe Token: SeRestorePrivilege 3536 TiWorker.exe Token: SeSecurityPrivilege 3536 TiWorker.exe Token: SeBackupPrivilege 3536 TiWorker.exe Token: SeRestorePrivilege 3536 TiWorker.exe Token: SeSecurityPrivilege 3536 TiWorker.exe Token: SeBackupPrivilege 3536 TiWorker.exe Token: SeRestorePrivilege 3536 TiWorker.exe Token: SeSecurityPrivilege 3536 TiWorker.exe Token: SeBackupPrivilege 3536 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
1963d2c7f72cbd4fdcd729631dc0a62df3706e5f6e2b0e3d5d5f9872d14519c8.execmd.exedescription pid process target process PID 5016 wrote to memory of 3968 5016 1963d2c7f72cbd4fdcd729631dc0a62df3706e5f6e2b0e3d5d5f9872d14519c8.exe MediaCenter.exe PID 5016 wrote to memory of 3968 5016 1963d2c7f72cbd4fdcd729631dc0a62df3706e5f6e2b0e3d5d5f9872d14519c8.exe MediaCenter.exe PID 5016 wrote to memory of 3968 5016 1963d2c7f72cbd4fdcd729631dc0a62df3706e5f6e2b0e3d5d5f9872d14519c8.exe MediaCenter.exe PID 5016 wrote to memory of 4144 5016 1963d2c7f72cbd4fdcd729631dc0a62df3706e5f6e2b0e3d5d5f9872d14519c8.exe cmd.exe PID 5016 wrote to memory of 4144 5016 1963d2c7f72cbd4fdcd729631dc0a62df3706e5f6e2b0e3d5d5f9872d14519c8.exe cmd.exe PID 5016 wrote to memory of 4144 5016 1963d2c7f72cbd4fdcd729631dc0a62df3706e5f6e2b0e3d5d5f9872d14519c8.exe cmd.exe PID 4144 wrote to memory of 2532 4144 cmd.exe PING.EXE PID 4144 wrote to memory of 2532 4144 cmd.exe PING.EXE PID 4144 wrote to memory of 2532 4144 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\1963d2c7f72cbd4fdcd729631dc0a62df3706e5f6e2b0e3d5d5f9872d14519c8.exe"C:\Users\Admin\AppData\Local\Temp\1963d2c7f72cbd4fdcd729631dc0a62df3706e5f6e2b0e3d5d5f9872d14519c8.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:5016 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3968 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1963d2c7f72cbd4fdcd729631dc0a62df3706e5f6e2b0e3d5d5f9872d14519c8.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:4144 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2532
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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:1104
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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:3536
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
7f97e0b3ae3e88bfe3f7f211b809be0e
SHA121af43fb3ccb2c22705a31b3fda3319b4aeae84b
SHA256f3a613565fcd5ccede42f2e6ebc5115e5893f42e412e5a4b158960eb3e7a4a9d
SHA5121be6e41f3616ecf14706af2d920141c1b64190fbe08abe518f9bcf8ad59f824a640eba04f7fd4e4975ad4344809516cc39090127b8c1c27b9408e269ce4211dd
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MD5
7f97e0b3ae3e88bfe3f7f211b809be0e
SHA121af43fb3ccb2c22705a31b3fda3319b4aeae84b
SHA256f3a613565fcd5ccede42f2e6ebc5115e5893f42e412e5a4b158960eb3e7a4a9d
SHA5121be6e41f3616ecf14706af2d920141c1b64190fbe08abe518f9bcf8ad59f824a640eba04f7fd4e4975ad4344809516cc39090127b8c1c27b9408e269ce4211dd