Analysis
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max time kernel
121s -
max time network
163s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
12-02-2022 09:32
Static task
static1
Behavioral task
behavioral1
Sample
09b8ecdeea3eb74d51071bfbbe5179e669050cab1318c1a40765ba2e803a78c9.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
09b8ecdeea3eb74d51071bfbbe5179e669050cab1318c1a40765ba2e803a78c9.exe
Resource
win10v2004-en-20220113
General
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Target
09b8ecdeea3eb74d51071bfbbe5179e669050cab1318c1a40765ba2e803a78c9.exe
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Size
58KB
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MD5
e1ce252de79420c186c6fcc9a366f968
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SHA1
c7d3002fcbd854d413a542f50bc98644e0836634
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SHA256
09b8ecdeea3eb74d51071bfbbe5179e669050cab1318c1a40765ba2e803a78c9
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SHA512
30a8339812b513592d3dbcb2e9927e7e3c7a1701f33dd6370b4e968ddbc37f11b6b8633f5fcdd6340e0f844b4e27fe7388f1aafa2f33495652cbeff6731bb7bb
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 4736 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
09b8ecdeea3eb74d51071bfbbe5179e669050cab1318c1a40765ba2e803a78c9.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation 09b8ecdeea3eb74d51071bfbbe5179e669050cab1318c1a40765ba2e803a78c9.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
09b8ecdeea3eb74d51071bfbbe5179e669050cab1318c1a40765ba2e803a78c9.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 09b8ecdeea3eb74d51071bfbbe5179e669050cab1318c1a40765ba2e803a78c9.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.exe09b8ecdeea3eb74d51071bfbbe5179e669050cab1318c1a40765ba2e803a78c9.exeTiWorker.exedescription pid process Token: SeShutdownPrivilege 4992 svchost.exe Token: SeCreatePagefilePrivilege 4992 svchost.exe Token: SeShutdownPrivilege 4992 svchost.exe Token: SeCreatePagefilePrivilege 4992 svchost.exe Token: SeShutdownPrivilege 4992 svchost.exe Token: SeCreatePagefilePrivilege 4992 svchost.exe Token: SeIncBasePriorityPrivilege 3588 09b8ecdeea3eb74d51071bfbbe5179e669050cab1318c1a40765ba2e803a78c9.exe Token: SeSecurityPrivilege 60 TiWorker.exe Token: SeRestorePrivilege 60 TiWorker.exe Token: SeBackupPrivilege 60 TiWorker.exe Token: SeBackupPrivilege 60 TiWorker.exe Token: SeRestorePrivilege 60 TiWorker.exe Token: SeSecurityPrivilege 60 TiWorker.exe Token: SeBackupPrivilege 60 TiWorker.exe Token: SeRestorePrivilege 60 TiWorker.exe Token: SeSecurityPrivilege 60 TiWorker.exe Token: SeBackupPrivilege 60 TiWorker.exe Token: SeRestorePrivilege 60 TiWorker.exe Token: SeSecurityPrivilege 60 TiWorker.exe Token: SeBackupPrivilege 60 TiWorker.exe Token: SeRestorePrivilege 60 TiWorker.exe Token: SeSecurityPrivilege 60 TiWorker.exe Token: SeBackupPrivilege 60 TiWorker.exe Token: SeRestorePrivilege 60 TiWorker.exe Token: SeSecurityPrivilege 60 TiWorker.exe Token: SeBackupPrivilege 60 TiWorker.exe Token: SeRestorePrivilege 60 TiWorker.exe Token: SeSecurityPrivilege 60 TiWorker.exe Token: SeBackupPrivilege 60 TiWorker.exe Token: SeRestorePrivilege 60 TiWorker.exe Token: SeSecurityPrivilege 60 TiWorker.exe Token: SeBackupPrivilege 60 TiWorker.exe Token: SeRestorePrivilege 60 TiWorker.exe Token: SeSecurityPrivilege 60 TiWorker.exe Token: SeBackupPrivilege 60 TiWorker.exe Token: SeRestorePrivilege 60 TiWorker.exe Token: SeSecurityPrivilege 60 TiWorker.exe Token: SeBackupPrivilege 60 TiWorker.exe Token: SeRestorePrivilege 60 TiWorker.exe Token: SeSecurityPrivilege 60 TiWorker.exe Token: SeBackupPrivilege 60 TiWorker.exe Token: SeRestorePrivilege 60 TiWorker.exe Token: SeSecurityPrivilege 60 TiWorker.exe Token: SeBackupPrivilege 60 TiWorker.exe Token: SeRestorePrivilege 60 TiWorker.exe Token: SeSecurityPrivilege 60 TiWorker.exe Token: SeBackupPrivilege 60 TiWorker.exe Token: SeRestorePrivilege 60 TiWorker.exe Token: SeSecurityPrivilege 60 TiWorker.exe Token: SeBackupPrivilege 60 TiWorker.exe Token: SeRestorePrivilege 60 TiWorker.exe Token: SeSecurityPrivilege 60 TiWorker.exe Token: SeBackupPrivilege 60 TiWorker.exe Token: SeRestorePrivilege 60 TiWorker.exe Token: SeSecurityPrivilege 60 TiWorker.exe Token: SeBackupPrivilege 60 TiWorker.exe Token: SeRestorePrivilege 60 TiWorker.exe Token: SeSecurityPrivilege 60 TiWorker.exe Token: SeBackupPrivilege 60 TiWorker.exe Token: SeRestorePrivilege 60 TiWorker.exe Token: SeSecurityPrivilege 60 TiWorker.exe Token: SeBackupPrivilege 60 TiWorker.exe Token: SeRestorePrivilege 60 TiWorker.exe Token: SeSecurityPrivilege 60 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
09b8ecdeea3eb74d51071bfbbe5179e669050cab1318c1a40765ba2e803a78c9.execmd.exedescription pid process target process PID 3588 wrote to memory of 4736 3588 09b8ecdeea3eb74d51071bfbbe5179e669050cab1318c1a40765ba2e803a78c9.exe MediaCenter.exe PID 3588 wrote to memory of 4736 3588 09b8ecdeea3eb74d51071bfbbe5179e669050cab1318c1a40765ba2e803a78c9.exe MediaCenter.exe PID 3588 wrote to memory of 4736 3588 09b8ecdeea3eb74d51071bfbbe5179e669050cab1318c1a40765ba2e803a78c9.exe MediaCenter.exe PID 3588 wrote to memory of 3976 3588 09b8ecdeea3eb74d51071bfbbe5179e669050cab1318c1a40765ba2e803a78c9.exe cmd.exe PID 3588 wrote to memory of 3976 3588 09b8ecdeea3eb74d51071bfbbe5179e669050cab1318c1a40765ba2e803a78c9.exe cmd.exe PID 3588 wrote to memory of 3976 3588 09b8ecdeea3eb74d51071bfbbe5179e669050cab1318c1a40765ba2e803a78c9.exe cmd.exe PID 3976 wrote to memory of 452 3976 cmd.exe PING.EXE PID 3976 wrote to memory of 452 3976 cmd.exe PING.EXE PID 3976 wrote to memory of 452 3976 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\09b8ecdeea3eb74d51071bfbbe5179e669050cab1318c1a40765ba2e803a78c9.exe"C:\Users\Admin\AppData\Local\Temp\09b8ecdeea3eb74d51071bfbbe5179e669050cab1318c1a40765ba2e803a78c9.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3588 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:4736 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\09b8ecdeea3eb74d51071bfbbe5179e669050cab1318c1a40765ba2e803a78c9.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3976 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:452
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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:4992
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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:60
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
e367d9f65eec364d5113f367e9731c4d
SHA123ab3b32d90abfaeaeaf4f7d50fcc94a894af2dc
SHA256d3c1491bd5406f22e0137b7a67235afa491f10efdff8b129a05beb1343f458bd
SHA512cd09448192c60235513041c3f4d3578518911168dedbbc286b5e656319e91d2010fd88eaadf5f967bca64d5164953369995a8564b1a374437ab325ec7d9f9f08
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
e367d9f65eec364d5113f367e9731c4d
SHA123ab3b32d90abfaeaeaf4f7d50fcc94a894af2dc
SHA256d3c1491bd5406f22e0137b7a67235afa491f10efdff8b129a05beb1343f458bd
SHA512cd09448192c60235513041c3f4d3578518911168dedbbc286b5e656319e91d2010fd88eaadf5f967bca64d5164953369995a8564b1a374437ab325ec7d9f9f08
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memory/4992-132-0x00000210FD560000-0x00000210FD570000-memory.dmpFilesize
64KB
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memory/4992-133-0x00000210FDC20000-0x00000210FDC30000-memory.dmpFilesize
64KB
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memory/4992-134-0x00000210FE2E0000-0x00000210FE2E4000-memory.dmpFilesize
16KB