Analysis
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max time kernel
136s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
12-02-2022 02:54
Static task
static1
Behavioral task
behavioral1
Sample
191fc164d9dc6744570e08d2608480e79ad0ec790a1817bfcca1c917cc26e7ca.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
191fc164d9dc6744570e08d2608480e79ad0ec790a1817bfcca1c917cc26e7ca.exe
Resource
win10v2004-en-20220113
General
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Target
191fc164d9dc6744570e08d2608480e79ad0ec790a1817bfcca1c917cc26e7ca.exe
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Size
58KB
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MD5
5cb1aa87712fa20d28e99f6b8c507a9e
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SHA1
e88a13b56937004e74e267af62e72281fe597e2e
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SHA256
191fc164d9dc6744570e08d2608480e79ad0ec790a1817bfcca1c917cc26e7ca
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SHA512
63e480b29f82984ba4b186b257c0fd9e5f31fe9ea54a3231821f6946f96477d5c894dd0e167db271f4f95247e9a32123b130417279cac5d060ce1fbc1abe3470
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 1424 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
191fc164d9dc6744570e08d2608480e79ad0ec790a1817bfcca1c917cc26e7ca.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation 191fc164d9dc6744570e08d2608480e79ad0ec790a1817bfcca1c917cc26e7ca.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
191fc164d9dc6744570e08d2608480e79ad0ec790a1817bfcca1c917cc26e7ca.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 191fc164d9dc6744570e08d2608480e79ad0ec790a1817bfcca1c917cc26e7ca.exe -
Drops file in Windows directory 8 IoCs
Processes:
svchost.exeTiWorker.exedescription ioc process 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 File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm 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 1256 svchost.exe Token: SeCreatePagefilePrivilege 1256 svchost.exe Token: SeShutdownPrivilege 1256 svchost.exe Token: SeCreatePagefilePrivilege 1256 svchost.exe Token: SeShutdownPrivilege 1256 svchost.exe Token: SeCreatePagefilePrivilege 1256 svchost.exe Token: SeSecurityPrivilege 3120 TiWorker.exe Token: SeRestorePrivilege 3120 TiWorker.exe Token: SeBackupPrivilege 3120 TiWorker.exe Token: SeBackupPrivilege 3120 TiWorker.exe Token: SeRestorePrivilege 3120 TiWorker.exe Token: SeSecurityPrivilege 3120 TiWorker.exe Token: SeBackupPrivilege 3120 TiWorker.exe Token: SeRestorePrivilege 3120 TiWorker.exe Token: SeSecurityPrivilege 3120 TiWorker.exe Token: SeBackupPrivilege 3120 TiWorker.exe Token: SeRestorePrivilege 3120 TiWorker.exe Token: SeSecurityPrivilege 3120 TiWorker.exe Token: SeBackupPrivilege 3120 TiWorker.exe Token: SeRestorePrivilege 3120 TiWorker.exe Token: SeSecurityPrivilege 3120 TiWorker.exe Token: SeBackupPrivilege 3120 TiWorker.exe Token: SeRestorePrivilege 3120 TiWorker.exe Token: SeSecurityPrivilege 3120 TiWorker.exe Token: SeBackupPrivilege 3120 TiWorker.exe Token: SeRestorePrivilege 3120 TiWorker.exe Token: SeSecurityPrivilege 3120 TiWorker.exe Token: SeBackupPrivilege 3120 TiWorker.exe Token: SeRestorePrivilege 3120 TiWorker.exe Token: SeSecurityPrivilege 3120 TiWorker.exe Token: SeBackupPrivilege 3120 TiWorker.exe Token: SeRestorePrivilege 3120 TiWorker.exe Token: SeSecurityPrivilege 3120 TiWorker.exe Token: SeBackupPrivilege 3120 TiWorker.exe Token: SeRestorePrivilege 3120 TiWorker.exe Token: SeSecurityPrivilege 3120 TiWorker.exe Token: SeBackupPrivilege 3120 TiWorker.exe Token: SeRestorePrivilege 3120 TiWorker.exe Token: SeSecurityPrivilege 3120 TiWorker.exe Token: SeBackupPrivilege 3120 TiWorker.exe Token: SeRestorePrivilege 3120 TiWorker.exe Token: SeSecurityPrivilege 3120 TiWorker.exe Token: SeBackupPrivilege 3120 TiWorker.exe Token: SeRestorePrivilege 3120 TiWorker.exe Token: SeSecurityPrivilege 3120 TiWorker.exe Token: SeBackupPrivilege 3120 TiWorker.exe Token: SeRestorePrivilege 3120 TiWorker.exe Token: SeSecurityPrivilege 3120 TiWorker.exe Token: SeBackupPrivilege 3120 TiWorker.exe Token: SeRestorePrivilege 3120 TiWorker.exe Token: SeSecurityPrivilege 3120 TiWorker.exe Token: SeBackupPrivilege 3120 TiWorker.exe Token: SeRestorePrivilege 3120 TiWorker.exe Token: SeSecurityPrivilege 3120 TiWorker.exe Token: SeBackupPrivilege 3120 TiWorker.exe Token: SeRestorePrivilege 3120 TiWorker.exe Token: SeSecurityPrivilege 3120 TiWorker.exe Token: SeBackupPrivilege 3120 TiWorker.exe Token: SeRestorePrivilege 3120 TiWorker.exe Token: SeSecurityPrivilege 3120 TiWorker.exe Token: SeBackupPrivilege 3120 TiWorker.exe Token: SeRestorePrivilege 3120 TiWorker.exe Token: SeSecurityPrivilege 3120 TiWorker.exe Token: SeBackupPrivilege 3120 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
191fc164d9dc6744570e08d2608480e79ad0ec790a1817bfcca1c917cc26e7ca.execmd.exedescription pid process target process PID 4724 wrote to memory of 1424 4724 191fc164d9dc6744570e08d2608480e79ad0ec790a1817bfcca1c917cc26e7ca.exe MediaCenter.exe PID 4724 wrote to memory of 1424 4724 191fc164d9dc6744570e08d2608480e79ad0ec790a1817bfcca1c917cc26e7ca.exe MediaCenter.exe PID 4724 wrote to memory of 1424 4724 191fc164d9dc6744570e08d2608480e79ad0ec790a1817bfcca1c917cc26e7ca.exe MediaCenter.exe PID 4724 wrote to memory of 3672 4724 191fc164d9dc6744570e08d2608480e79ad0ec790a1817bfcca1c917cc26e7ca.exe cmd.exe PID 4724 wrote to memory of 3672 4724 191fc164d9dc6744570e08d2608480e79ad0ec790a1817bfcca1c917cc26e7ca.exe cmd.exe PID 4724 wrote to memory of 3672 4724 191fc164d9dc6744570e08d2608480e79ad0ec790a1817bfcca1c917cc26e7ca.exe cmd.exe PID 3672 wrote to memory of 2708 3672 cmd.exe PING.EXE PID 3672 wrote to memory of 2708 3672 cmd.exe PING.EXE PID 3672 wrote to memory of 2708 3672 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\191fc164d9dc6744570e08d2608480e79ad0ec790a1817bfcca1c917cc26e7ca.exe"C:\Users\Admin\AppData\Local\Temp\191fc164d9dc6744570e08d2608480e79ad0ec790a1817bfcca1c917cc26e7ca.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4724 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1424 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\191fc164d9dc6744570e08d2608480e79ad0ec790a1817bfcca1c917cc26e7ca.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3672 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2708
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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:1256
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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:3120
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
854f0f7c4cc5ea8982ae244f7eeb1f0d
SHA1adda1274e581817ea067fd8ce3d2b4a2e9ab9712
SHA256495f450e1e8d793af7b13fb01936d296ef4ce667696dba7d56b5008c7f9e7ab4
SHA5123078bab418f0e95593f141ea3d9613e24f2b0130032bf17aa5beb0143516599c04bfeee86820739df1c21839562e80613bdfee549430c99896a6eba24e6600f7
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MD5
854f0f7c4cc5ea8982ae244f7eeb1f0d
SHA1adda1274e581817ea067fd8ce3d2b4a2e9ab9712
SHA256495f450e1e8d793af7b13fb01936d296ef4ce667696dba7d56b5008c7f9e7ab4
SHA5123078bab418f0e95593f141ea3d9613e24f2b0130032bf17aa5beb0143516599c04bfeee86820739df1c21839562e80613bdfee549430c99896a6eba24e6600f7