Analysis
- max time kernel
137s - max time network
172s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
12/02/2022, 12:29
Static task
static1
Behavioral task
behavioral1
Sample
015857614259a0c646a6ec6c26e8ce47920b04c0c1ae033fd6c2cf542ddc0a6c.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
015857614259a0c646a6ec6c26e8ce47920b04c0c1ae033fd6c2cf542ddc0a6c.exe
Resource
win10v2004-en-20220113
windows10-2004_x64
0 signatures
0 seconds
General
- Target 015857614259a0c646a6ec6c26e8ce47920b04c0c1ae033fd6c2cf542ddc0a6c.exe
- Size 58KB
- Sample220212-ppc22scce4
- SHA256 015857614259a0c646a6ec6c26e8ce47920b04c0c1ae033fd6c2cf542ddc0a6c
- MD5 98522910f82f80611880380e09a8d852
- SHA1 2a28ece15f24e357308a987e0bc11e55572d7a38
- SHA512 f60fd716927b4c3c8151eeaada65629989d8d282c7afe7accd925ab9cbb13cfe40b180bbfce0a651b070f65bba9bb22f991615eb51c5895322b4fc60a5146c87
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 428 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 015857614259a0c646a6ec6c26e8ce47920b04c0c1ae033fd6c2cf542ddc0a6c.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" 015857614259a0c646a6ec6c26e8ce47920b04c0c1ae033fd6c2cf542ddc0a6c.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 1096 PING.EXE - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 4236 svchost.exe Token: SeCreatePagefilePrivilege 4236 svchost.exe Token: SeShutdownPrivilege 4236 svchost.exe Token: SeCreatePagefilePrivilege 4236 svchost.exe Token: SeShutdownPrivilege 4236 svchost.exe Token: SeCreatePagefilePrivilege 4236 svchost.exe Token: SeSecurityPrivilege 1308 TiWorker.exe Token: SeRestorePrivilege 1308 TiWorker.exe Token: SeBackupPrivilege 1308 TiWorker.exe Token: SeIncBasePriorityPrivilege 3996 015857614259a0c646a6ec6c26e8ce47920b04c0c1ae033fd6c2cf542ddc0a6c.exe Token: SeBackupPrivilege 1308 TiWorker.exe Token: SeRestorePrivilege 1308 TiWorker.exe Token: SeSecurityPrivilege 1308 TiWorker.exe Token: SeBackupPrivilege 1308 TiWorker.exe Token: SeRestorePrivilege 1308 TiWorker.exe Token: SeSecurityPrivilege 1308 TiWorker.exe Token: SeBackupPrivilege 1308 TiWorker.exe Token: SeRestorePrivilege 1308 TiWorker.exe Token: SeSecurityPrivilege 1308 TiWorker.exe Token: SeBackupPrivilege 1308 TiWorker.exe Token: SeRestorePrivilege 1308 TiWorker.exe Token: SeSecurityPrivilege 1308 TiWorker.exe Token: SeBackupPrivilege 1308 TiWorker.exe Token: SeRestorePrivilege 1308 TiWorker.exe Token: SeSecurityPrivilege 1308 TiWorker.exe Token: SeBackupPrivilege 1308 TiWorker.exe Token: SeRestorePrivilege 1308 TiWorker.exe Token: SeSecurityPrivilege 1308 TiWorker.exe Token: SeBackupPrivilege 1308 TiWorker.exe Token: SeRestorePrivilege 1308 TiWorker.exe Token: SeSecurityPrivilege 1308 TiWorker.exe Token: SeBackupPrivilege 1308 TiWorker.exe Token: SeRestorePrivilege 1308 TiWorker.exe Token: SeSecurityPrivilege 1308 TiWorker.exe Token: SeBackupPrivilege 1308 TiWorker.exe Token: SeRestorePrivilege 1308 TiWorker.exe Token: SeSecurityPrivilege 1308 TiWorker.exe Token: SeBackupPrivilege 1308 TiWorker.exe Token: SeRestorePrivilege 1308 TiWorker.exe Token: SeSecurityPrivilege 1308 TiWorker.exe Token: SeBackupPrivilege 1308 TiWorker.exe Token: SeRestorePrivilege 1308 TiWorker.exe Token: SeSecurityPrivilege 1308 TiWorker.exe Token: SeBackupPrivilege 1308 TiWorker.exe Token: SeRestorePrivilege 1308 TiWorker.exe Token: SeSecurityPrivilege 1308 TiWorker.exe Token: SeBackupPrivilege 1308 TiWorker.exe Token: SeRestorePrivilege 1308 TiWorker.exe Token: SeSecurityPrivilege 1308 TiWorker.exe Token: SeBackupPrivilege 1308 TiWorker.exe Token: SeRestorePrivilege 1308 TiWorker.exe Token: SeSecurityPrivilege 1308 TiWorker.exe Token: SeBackupPrivilege 1308 TiWorker.exe Token: SeRestorePrivilege 1308 TiWorker.exe Token: SeSecurityPrivilege 1308 TiWorker.exe Token: SeBackupPrivilege 1308 TiWorker.exe Token: SeRestorePrivilege 1308 TiWorker.exe Token: SeSecurityPrivilege 1308 TiWorker.exe Token: SeBackupPrivilege 1308 TiWorker.exe Token: SeRestorePrivilege 1308 TiWorker.exe Token: SeSecurityPrivilege 1308 TiWorker.exe Token: SeBackupPrivilege 1308 TiWorker.exe Token: SeRestorePrivilege 1308 TiWorker.exe Token: SeSecurityPrivilege 1308 TiWorker.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3996 wrote to memory of 428 3996 015857614259a0c646a6ec6c26e8ce47920b04c0c1ae033fd6c2cf542ddc0a6c.exe 82 PID 3996 wrote to memory of 428 3996 015857614259a0c646a6ec6c26e8ce47920b04c0c1ae033fd6c2cf542ddc0a6c.exe 82 PID 3996 wrote to memory of 428 3996 015857614259a0c646a6ec6c26e8ce47920b04c0c1ae033fd6c2cf542ddc0a6c.exe 82 PID 3996 wrote to memory of 636 3996 015857614259a0c646a6ec6c26e8ce47920b04c0c1ae033fd6c2cf542ddc0a6c.exe 97 PID 3996 wrote to memory of 636 3996 015857614259a0c646a6ec6c26e8ce47920b04c0c1ae033fd6c2cf542ddc0a6c.exe 97 PID 3996 wrote to memory of 636 3996 015857614259a0c646a6ec6c26e8ce47920b04c0c1ae033fd6c2cf542ddc0a6c.exe 97 PID 636 wrote to memory of 1096 636 cmd.exe 99 PID 636 wrote to memory of 1096 636 cmd.exe 99 PID 636 wrote to memory of 1096 636 cmd.exe 99
Processes
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C:\Users\Admin\AppData\Local\Temp\015857614259a0c646a6ec6c26e8ce47920b04c0c1ae033fd6c2cf542ddc0a6c.exe"C:\Users\Admin\AppData\Local\Temp\015857614259a0c646a6ec6c26e8ce47920b04c0c1ae033fd6c2cf542ddc0a6c.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3996 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:428
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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\015857614259a0c646a6ec6c26e8ce47920b04c0c1ae033fd6c2cf542ddc0a6c.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:636 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1096
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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:4236
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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:1308