Analysis
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max time kernel
137s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
12-02-2022 06:06
Static task
static1
Behavioral task
behavioral1
Sample
10de23c10a8146c3872e610417474072a2dbca068b0f02d2cff5bf15981a3774.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
10de23c10a8146c3872e610417474072a2dbca068b0f02d2cff5bf15981a3774.exe
Resource
win10v2004-en-20220113
General
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Target
10de23c10a8146c3872e610417474072a2dbca068b0f02d2cff5bf15981a3774.exe
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Size
216KB
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MD5
21558b495b445369c55d572f22997a99
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SHA1
ce04ae38c7e3efe227a2c891679a787378961b8d
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SHA256
10de23c10a8146c3872e610417474072a2dbca068b0f02d2cff5bf15981a3774
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SHA512
eb6514fde4bc85578248ed61c20fdb6988f931200774bb9ea2624dcff6a46922a4adc205caae28e693e21873c14947cf9438e68d06c76e7875f104290c3ccfe0
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/3044-132-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/2772-136-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula -
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
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suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 2772 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
10de23c10a8146c3872e610417474072a2dbca068b0f02d2cff5bf15981a3774.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation 10de23c10a8146c3872e610417474072a2dbca068b0f02d2cff5bf15981a3774.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
10de23c10a8146c3872e610417474072a2dbca068b0f02d2cff5bf15981a3774.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 10de23c10a8146c3872e610417474072a2dbca068b0f02d2cff5bf15981a3774.exe -
Drops file in Windows directory 8 IoCs
Processes:
svchost.exeTiWorker.exedescription 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.
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Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
10de23c10a8146c3872e610417474072a2dbca068b0f02d2cff5bf15981a3774.exesvchost.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 3044 10de23c10a8146c3872e610417474072a2dbca068b0f02d2cff5bf15981a3774.exe Token: SeShutdownPrivilege 2300 svchost.exe Token: SeCreatePagefilePrivilege 2300 svchost.exe Token: SeShutdownPrivilege 2300 svchost.exe Token: SeCreatePagefilePrivilege 2300 svchost.exe Token: SeShutdownPrivilege 2300 svchost.exe Token: SeCreatePagefilePrivilege 2300 svchost.exe Token: SeSecurityPrivilege 4100 TiWorker.exe Token: SeRestorePrivilege 4100 TiWorker.exe Token: SeBackupPrivilege 4100 TiWorker.exe Token: SeBackupPrivilege 4100 TiWorker.exe Token: SeRestorePrivilege 4100 TiWorker.exe Token: SeSecurityPrivilege 4100 TiWorker.exe Token: SeBackupPrivilege 4100 TiWorker.exe Token: SeRestorePrivilege 4100 TiWorker.exe Token: SeSecurityPrivilege 4100 TiWorker.exe Token: SeBackupPrivilege 4100 TiWorker.exe Token: SeRestorePrivilege 4100 TiWorker.exe Token: SeSecurityPrivilege 4100 TiWorker.exe Token: SeBackupPrivilege 4100 TiWorker.exe Token: SeRestorePrivilege 4100 TiWorker.exe Token: SeSecurityPrivilege 4100 TiWorker.exe Token: SeBackupPrivilege 4100 TiWorker.exe Token: SeRestorePrivilege 4100 TiWorker.exe Token: SeSecurityPrivilege 4100 TiWorker.exe Token: SeBackupPrivilege 4100 TiWorker.exe Token: SeRestorePrivilege 4100 TiWorker.exe Token: SeSecurityPrivilege 4100 TiWorker.exe Token: SeBackupPrivilege 4100 TiWorker.exe Token: SeRestorePrivilege 4100 TiWorker.exe Token: SeSecurityPrivilege 4100 TiWorker.exe Token: SeBackupPrivilege 4100 TiWorker.exe Token: SeRestorePrivilege 4100 TiWorker.exe Token: SeSecurityPrivilege 4100 TiWorker.exe Token: SeBackupPrivilege 4100 TiWorker.exe Token: SeRestorePrivilege 4100 TiWorker.exe Token: SeSecurityPrivilege 4100 TiWorker.exe Token: SeBackupPrivilege 4100 TiWorker.exe Token: SeRestorePrivilege 4100 TiWorker.exe Token: SeSecurityPrivilege 4100 TiWorker.exe Token: SeBackupPrivilege 4100 TiWorker.exe Token: SeRestorePrivilege 4100 TiWorker.exe Token: SeSecurityPrivilege 4100 TiWorker.exe Token: SeBackupPrivilege 4100 TiWorker.exe Token: SeRestorePrivilege 4100 TiWorker.exe Token: SeSecurityPrivilege 4100 TiWorker.exe Token: SeBackupPrivilege 4100 TiWorker.exe Token: SeRestorePrivilege 4100 TiWorker.exe Token: SeSecurityPrivilege 4100 TiWorker.exe Token: SeBackupPrivilege 4100 TiWorker.exe Token: SeRestorePrivilege 4100 TiWorker.exe Token: SeSecurityPrivilege 4100 TiWorker.exe Token: SeBackupPrivilege 4100 TiWorker.exe Token: SeRestorePrivilege 4100 TiWorker.exe Token: SeSecurityPrivilege 4100 TiWorker.exe Token: SeBackupPrivilege 4100 TiWorker.exe Token: SeRestorePrivilege 4100 TiWorker.exe Token: SeSecurityPrivilege 4100 TiWorker.exe Token: SeBackupPrivilege 4100 TiWorker.exe Token: SeRestorePrivilege 4100 TiWorker.exe Token: SeSecurityPrivilege 4100 TiWorker.exe Token: SeBackupPrivilege 4100 TiWorker.exe Token: SeRestorePrivilege 4100 TiWorker.exe Token: SeSecurityPrivilege 4100 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
10de23c10a8146c3872e610417474072a2dbca068b0f02d2cff5bf15981a3774.execmd.exedescription pid process target process PID 3044 wrote to memory of 2772 3044 10de23c10a8146c3872e610417474072a2dbca068b0f02d2cff5bf15981a3774.exe MediaCenter.exe PID 3044 wrote to memory of 2772 3044 10de23c10a8146c3872e610417474072a2dbca068b0f02d2cff5bf15981a3774.exe MediaCenter.exe PID 3044 wrote to memory of 2772 3044 10de23c10a8146c3872e610417474072a2dbca068b0f02d2cff5bf15981a3774.exe MediaCenter.exe PID 3044 wrote to memory of 2060 3044 10de23c10a8146c3872e610417474072a2dbca068b0f02d2cff5bf15981a3774.exe cmd.exe PID 3044 wrote to memory of 2060 3044 10de23c10a8146c3872e610417474072a2dbca068b0f02d2cff5bf15981a3774.exe cmd.exe PID 3044 wrote to memory of 2060 3044 10de23c10a8146c3872e610417474072a2dbca068b0f02d2cff5bf15981a3774.exe cmd.exe PID 2060 wrote to memory of 3880 2060 cmd.exe PING.EXE PID 2060 wrote to memory of 3880 2060 cmd.exe PING.EXE PID 2060 wrote to memory of 3880 2060 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\10de23c10a8146c3872e610417474072a2dbca068b0f02d2cff5bf15981a3774.exe"C:\Users\Admin\AppData\Local\Temp\10de23c10a8146c3872e610417474072a2dbca068b0f02d2cff5bf15981a3774.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3044 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2772 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\10de23c10a8146c3872e610417474072a2dbca068b0f02d2cff5bf15981a3774.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2060 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3880
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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:2300
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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:4100
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
11f52bb552e700028e650000e3b717a7
SHA19bd69b6dc494853bbaeb2f7c6422a490877de843
SHA256ca84fa7c11a44d2fe08beef76ec819ffb80ea029b076731ad67f1cec51422727
SHA5120c84ec3717ec4a53277fabf794747edc4978ff192da0630734c3cb732a28d1211478d2cee3bec55e91f055ca7483036c086c9064ce69337a6fbc0eabf7b826b6
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MD5
11f52bb552e700028e650000e3b717a7
SHA19bd69b6dc494853bbaeb2f7c6422a490877de843
SHA256ca84fa7c11a44d2fe08beef76ec819ffb80ea029b076731ad67f1cec51422727
SHA5120c84ec3717ec4a53277fabf794747edc4978ff192da0630734c3cb732a28d1211478d2cee3bec55e91f055ca7483036c086c9064ce69337a6fbc0eabf7b826b6