Analysis
- max time kernel
171s - max time network
186s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
12/02/2022, 12:18
Static task
static1
Behavioral task
behavioral1
Sample
01ef79efa28d698780d7329ccb76da2b2c270f25b8d6bc0150c646d272191f94.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
01ef79efa28d698780d7329ccb76da2b2c270f25b8d6bc0150c646d272191f94.exe
Resource
win10v2004-en-20220113
windows10-2004_x64
0 signatures
0 seconds
General
- Target 01ef79efa28d698780d7329ccb76da2b2c270f25b8d6bc0150c646d272191f94.exe
- Size 60KB
- Sample220212-pgr61adhfj
- SHA256 01ef79efa28d698780d7329ccb76da2b2c270f25b8d6bc0150c646d272191f94
- MD5 d634b3ab73e8556b8679b114d455dab0
- SHA1 e3a165c31727684f54b3fd0869def2f2f32e5f1e
- SHA512 df807fd2d257258ef25bd83fa5616781ec33ada02a76075c427af6911649f389500aa1f810550b54237c22917bb744951dc0951da675583a987d3cae555cc955
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3548 MediaCenter.exe - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation 01ef79efa28d698780d7329ccb76da2b2c270f25b8d6bc0150c646d272191f94.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 01ef79efa28d698780d7329ccb76da2b2c270f25b8d6bc0150c646d272191f94.exe - Drops file in Windows directory 8 IoCs
description ioc Process 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 File opened for modification C:\Windows\WinSxS\pending.xml TiWorker.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Runs ping.exe 1 TTPs 1 IoCs
pid Process 2016 PING.EXE - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 4152 svchost.exe Token: SeCreatePagefilePrivilege 4152 svchost.exe Token: SeShutdownPrivilege 4152 svchost.exe Token: SeCreatePagefilePrivilege 4152 svchost.exe Token: SeShutdownPrivilege 4152 svchost.exe Token: SeCreatePagefilePrivilege 4152 svchost.exe Token: SeIncBasePriorityPrivilege 3636 01ef79efa28d698780d7329ccb76da2b2c270f25b8d6bc0150c646d272191f94.exe Token: SeSecurityPrivilege 3896 TiWorker.exe Token: SeRestorePrivilege 3896 TiWorker.exe Token: SeBackupPrivilege 3896 TiWorker.exe Token: SeBackupPrivilege 3896 TiWorker.exe Token: SeRestorePrivilege 3896 TiWorker.exe Token: SeSecurityPrivilege 3896 TiWorker.exe Token: SeBackupPrivilege 3896 TiWorker.exe Token: SeRestorePrivilege 3896 TiWorker.exe Token: SeSecurityPrivilege 3896 TiWorker.exe Token: SeBackupPrivilege 3896 TiWorker.exe Token: SeRestorePrivilege 3896 TiWorker.exe Token: SeSecurityPrivilege 3896 TiWorker.exe Token: SeBackupPrivilege 3896 TiWorker.exe Token: SeRestorePrivilege 3896 TiWorker.exe Token: SeSecurityPrivilege 3896 TiWorker.exe Token: SeBackupPrivilege 3896 TiWorker.exe Token: SeRestorePrivilege 3896 TiWorker.exe Token: SeSecurityPrivilege 3896 TiWorker.exe Token: SeBackupPrivilege 3896 TiWorker.exe Token: SeRestorePrivilege 3896 TiWorker.exe Token: SeSecurityPrivilege 3896 TiWorker.exe Token: SeBackupPrivilege 3896 TiWorker.exe Token: SeRestorePrivilege 3896 TiWorker.exe Token: SeSecurityPrivilege 3896 TiWorker.exe Token: SeBackupPrivilege 3896 TiWorker.exe Token: SeRestorePrivilege 3896 TiWorker.exe Token: SeSecurityPrivilege 3896 TiWorker.exe Token: SeBackupPrivilege 3896 TiWorker.exe Token: SeRestorePrivilege 3896 TiWorker.exe Token: SeSecurityPrivilege 3896 TiWorker.exe Token: SeBackupPrivilege 3896 TiWorker.exe Token: SeRestorePrivilege 3896 TiWorker.exe Token: SeSecurityPrivilege 3896 TiWorker.exe Token: SeBackupPrivilege 3896 TiWorker.exe Token: SeRestorePrivilege 3896 TiWorker.exe Token: SeSecurityPrivilege 3896 TiWorker.exe Token: SeBackupPrivilege 3896 TiWorker.exe Token: SeRestorePrivilege 3896 TiWorker.exe Token: SeSecurityPrivilege 3896 TiWorker.exe Token: SeBackupPrivilege 3896 TiWorker.exe Token: SeRestorePrivilege 3896 TiWorker.exe Token: SeSecurityPrivilege 3896 TiWorker.exe Token: SeBackupPrivilege 3896 TiWorker.exe Token: SeRestorePrivilege 3896 TiWorker.exe Token: SeSecurityPrivilege 3896 TiWorker.exe Token: SeBackupPrivilege 3896 TiWorker.exe Token: SeRestorePrivilege 3896 TiWorker.exe Token: SeSecurityPrivilege 3896 TiWorker.exe Token: SeBackupPrivilege 3896 TiWorker.exe Token: SeRestorePrivilege 3896 TiWorker.exe Token: SeSecurityPrivilege 3896 TiWorker.exe Token: SeBackupPrivilege 3896 TiWorker.exe Token: SeRestorePrivilege 3896 TiWorker.exe Token: SeSecurityPrivilege 3896 TiWorker.exe Token: SeBackupPrivilege 3896 TiWorker.exe Token: SeRestorePrivilege 3896 TiWorker.exe Token: SeSecurityPrivilege 3896 TiWorker.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3636 wrote to memory of 3548 3636 01ef79efa28d698780d7329ccb76da2b2c270f25b8d6bc0150c646d272191f94.exe 82 PID 3636 wrote to memory of 3548 3636 01ef79efa28d698780d7329ccb76da2b2c270f25b8d6bc0150c646d272191f94.exe 82 PID 3636 wrote to memory of 3548 3636 01ef79efa28d698780d7329ccb76da2b2c270f25b8d6bc0150c646d272191f94.exe 82 PID 3636 wrote to memory of 1400 3636 01ef79efa28d698780d7329ccb76da2b2c270f25b8d6bc0150c646d272191f94.exe 96 PID 3636 wrote to memory of 1400 3636 01ef79efa28d698780d7329ccb76da2b2c270f25b8d6bc0150c646d272191f94.exe 96 PID 3636 wrote to memory of 1400 3636 01ef79efa28d698780d7329ccb76da2b2c270f25b8d6bc0150c646d272191f94.exe 96 PID 1400 wrote to memory of 2016 1400 cmd.exe 98 PID 1400 wrote to memory of 2016 1400 cmd.exe 98 PID 1400 wrote to memory of 2016 1400 cmd.exe 98
Processes
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C:\Users\Admin\AppData\Local\Temp\01ef79efa28d698780d7329ccb76da2b2c270f25b8d6bc0150c646d272191f94.exe"C:\Users\Admin\AppData\Local\Temp\01ef79efa28d698780d7329ccb76da2b2c270f25b8d6bc0150c646d272191f94.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3636 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3548
-
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\01ef79efa28d698780d7329ccb76da2b2c270f25b8d6bc0150c646d272191f94.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1400 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2016
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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:4152
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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:3896