Analysis
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max time kernel
160s -
max time network
176s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
12-02-2022 06:27
Static task
static1
Behavioral task
behavioral1
Sample
0ff17c762b832c6f3a9c83b3246f84741536be95cf652336a4622798c2187968.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0ff17c762b832c6f3a9c83b3246f84741536be95cf652336a4622798c2187968.exe
Resource
win10v2004-en-20220113
General
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Target
0ff17c762b832c6f3a9c83b3246f84741536be95cf652336a4622798c2187968.exe
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Size
80KB
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MD5
88469fbc6a3854f7b21b7bbcca6a6c53
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SHA1
ab44262e8b04bfaa483b2296cdc74590f128fc9e
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SHA256
0ff17c762b832c6f3a9c83b3246f84741536be95cf652336a4622798c2187968
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SHA512
46654d49b922a9fe2e1ae69ecc50390edc1a7defe74fba4a0ec0fc85ed396e31df28d4def580501652ba5599c2c57ca21d73e434978a65fca7c65ed98233b280
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 2764 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0ff17c762b832c6f3a9c83b3246f84741536be95cf652336a4622798c2187968.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation 0ff17c762b832c6f3a9c83b3246f84741536be95cf652336a4622798c2187968.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0ff17c762b832c6f3a9c83b3246f84741536be95cf652336a4622798c2187968.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0ff17c762b832c6f3a9c83b3246f84741536be95cf652336a4622798c2187968.exe -
Drops file in Windows directory 8 IoCs
Processes:
TiWorker.exesvchost.exedescription ioc process 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 File opened for modification C:\Windows\Logs\CBS\CBS.log TiWorker.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.exe0ff17c762b832c6f3a9c83b3246f84741536be95cf652336a4622798c2187968.exeTiWorker.exedescription pid process Token: SeShutdownPrivilege 4480 svchost.exe Token: SeCreatePagefilePrivilege 4480 svchost.exe Token: SeShutdownPrivilege 4480 svchost.exe Token: SeCreatePagefilePrivilege 4480 svchost.exe Token: SeShutdownPrivilege 4480 svchost.exe Token: SeCreatePagefilePrivilege 4480 svchost.exe Token: SeIncBasePriorityPrivilege 2044 0ff17c762b832c6f3a9c83b3246f84741536be95cf652336a4622798c2187968.exe Token: SeSecurityPrivilege 4136 TiWorker.exe Token: SeRestorePrivilege 4136 TiWorker.exe Token: SeBackupPrivilege 4136 TiWorker.exe Token: SeBackupPrivilege 4136 TiWorker.exe Token: SeRestorePrivilege 4136 TiWorker.exe Token: SeSecurityPrivilege 4136 TiWorker.exe Token: SeBackupPrivilege 4136 TiWorker.exe Token: SeRestorePrivilege 4136 TiWorker.exe Token: SeSecurityPrivilege 4136 TiWorker.exe Token: SeBackupPrivilege 4136 TiWorker.exe Token: SeRestorePrivilege 4136 TiWorker.exe Token: SeSecurityPrivilege 4136 TiWorker.exe Token: SeBackupPrivilege 4136 TiWorker.exe Token: SeRestorePrivilege 4136 TiWorker.exe Token: SeSecurityPrivilege 4136 TiWorker.exe Token: SeBackupPrivilege 4136 TiWorker.exe Token: SeRestorePrivilege 4136 TiWorker.exe Token: SeSecurityPrivilege 4136 TiWorker.exe Token: SeBackupPrivilege 4136 TiWorker.exe Token: SeRestorePrivilege 4136 TiWorker.exe Token: SeSecurityPrivilege 4136 TiWorker.exe Token: SeBackupPrivilege 4136 TiWorker.exe Token: SeRestorePrivilege 4136 TiWorker.exe Token: SeSecurityPrivilege 4136 TiWorker.exe Token: SeBackupPrivilege 4136 TiWorker.exe Token: SeRestorePrivilege 4136 TiWorker.exe Token: SeSecurityPrivilege 4136 TiWorker.exe Token: SeBackupPrivilege 4136 TiWorker.exe Token: SeRestorePrivilege 4136 TiWorker.exe Token: SeSecurityPrivilege 4136 TiWorker.exe Token: SeBackupPrivilege 4136 TiWorker.exe Token: SeRestorePrivilege 4136 TiWorker.exe Token: SeSecurityPrivilege 4136 TiWorker.exe Token: SeBackupPrivilege 4136 TiWorker.exe Token: SeRestorePrivilege 4136 TiWorker.exe Token: SeSecurityPrivilege 4136 TiWorker.exe Token: SeBackupPrivilege 4136 TiWorker.exe Token: SeRestorePrivilege 4136 TiWorker.exe Token: SeSecurityPrivilege 4136 TiWorker.exe Token: SeBackupPrivilege 4136 TiWorker.exe Token: SeRestorePrivilege 4136 TiWorker.exe Token: SeSecurityPrivilege 4136 TiWorker.exe Token: SeBackupPrivilege 4136 TiWorker.exe Token: SeRestorePrivilege 4136 TiWorker.exe Token: SeSecurityPrivilege 4136 TiWorker.exe Token: SeBackupPrivilege 4136 TiWorker.exe Token: SeRestorePrivilege 4136 TiWorker.exe Token: SeSecurityPrivilege 4136 TiWorker.exe Token: SeBackupPrivilege 4136 TiWorker.exe Token: SeRestorePrivilege 4136 TiWorker.exe Token: SeSecurityPrivilege 4136 TiWorker.exe Token: SeBackupPrivilege 4136 TiWorker.exe Token: SeRestorePrivilege 4136 TiWorker.exe Token: SeSecurityPrivilege 4136 TiWorker.exe Token: SeBackupPrivilege 4136 TiWorker.exe Token: SeRestorePrivilege 4136 TiWorker.exe Token: SeSecurityPrivilege 4136 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0ff17c762b832c6f3a9c83b3246f84741536be95cf652336a4622798c2187968.execmd.exedescription pid process target process PID 2044 wrote to memory of 2764 2044 0ff17c762b832c6f3a9c83b3246f84741536be95cf652336a4622798c2187968.exe MediaCenter.exe PID 2044 wrote to memory of 2764 2044 0ff17c762b832c6f3a9c83b3246f84741536be95cf652336a4622798c2187968.exe MediaCenter.exe PID 2044 wrote to memory of 2764 2044 0ff17c762b832c6f3a9c83b3246f84741536be95cf652336a4622798c2187968.exe MediaCenter.exe PID 2044 wrote to memory of 1544 2044 0ff17c762b832c6f3a9c83b3246f84741536be95cf652336a4622798c2187968.exe cmd.exe PID 2044 wrote to memory of 1544 2044 0ff17c762b832c6f3a9c83b3246f84741536be95cf652336a4622798c2187968.exe cmd.exe PID 2044 wrote to memory of 1544 2044 0ff17c762b832c6f3a9c83b3246f84741536be95cf652336a4622798c2187968.exe cmd.exe PID 1544 wrote to memory of 1244 1544 cmd.exe PING.EXE PID 1544 wrote to memory of 1244 1544 cmd.exe PING.EXE PID 1544 wrote to memory of 1244 1544 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0ff17c762b832c6f3a9c83b3246f84741536be95cf652336a4622798c2187968.exe"C:\Users\Admin\AppData\Local\Temp\0ff17c762b832c6f3a9c83b3246f84741536be95cf652336a4622798c2187968.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2044 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2764 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0ff17c762b832c6f3a9c83b3246f84741536be95cf652336a4622798c2187968.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1544 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1244
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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:4480
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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:4136
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
afe5cc3f515148ac9c54a8beba40527e
SHA18508a349284f6a7f77677f3b3f1d9b8027c7883c
SHA25663f50bc597c8f123d45463c7bf1d3dcea195006c43974db976fde431d5d5c64d
SHA512f7049c894e617600ee79bbc4d03d871be1145f50f46b6b027e70d230ff20c9d40cd48f5df9ed741feba6c313a0114561bd03b5d20ae5647df26e3b06fcf4534a
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MD5
afe5cc3f515148ac9c54a8beba40527e
SHA18508a349284f6a7f77677f3b3f1d9b8027c7883c
SHA25663f50bc597c8f123d45463c7bf1d3dcea195006c43974db976fde431d5d5c64d
SHA512f7049c894e617600ee79bbc4d03d871be1145f50f46b6b027e70d230ff20c9d40cd48f5df9ed741feba6c313a0114561bd03b5d20ae5647df26e3b06fcf4534a