Analysis
-
max time kernel
156s -
max time network
172s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
12-02-2022 12:30
Static task
static1
Behavioral task
behavioral1
Sample
0154ecc2f0e3365a81bfb217b1541ace0e4e96b01e55a2248b9c12777f0cdcff.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0154ecc2f0e3365a81bfb217b1541ace0e4e96b01e55a2248b9c12777f0cdcff.exe
Resource
win10v2004-en-20220113
General
-
Target
0154ecc2f0e3365a81bfb217b1541ace0e4e96b01e55a2248b9c12777f0cdcff.exe
-
Size
36KB
-
MD5
5b7fb26cacb74527b1653a4c6e461793
-
SHA1
85660cbeab8843618429f3f2075dca889ace680c
-
SHA256
0154ecc2f0e3365a81bfb217b1541ace0e4e96b01e55a2248b9c12777f0cdcff
-
SHA512
cca40ca3b2da96919a9ed64ef0ad23089258e8e0ef2921b2d0eedff22cfae071c22afac1b85029078bed123cdba31d7a5910620f3bb0a650cbc5d98eaf60787d
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
pid Process 2812 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 0154ecc2f0e3365a81bfb217b1541ace0e4e96b01e55a2248b9c12777f0cdcff.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" 0154ecc2f0e3365a81bfb217b1541ace0e4e96b01e55a2248b9c12777f0cdcff.exe -
Drops file in Windows directory 8 IoCs
description 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.
-
Runs ping.exe 1 TTPs 1 IoCs
pid Process 4996 PING.EXE -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 2732 svchost.exe Token: SeCreatePagefilePrivilege 2732 svchost.exe Token: SeShutdownPrivilege 2732 svchost.exe Token: SeCreatePagefilePrivilege 2732 svchost.exe Token: SeShutdownPrivilege 2732 svchost.exe Token: SeCreatePagefilePrivilege 2732 svchost.exe Token: SeIncBasePriorityPrivilege 1424 0154ecc2f0e3365a81bfb217b1541ace0e4e96b01e55a2248b9c12777f0cdcff.exe Token: SeSecurityPrivilege 4516 TiWorker.exe Token: SeRestorePrivilege 4516 TiWorker.exe Token: SeBackupPrivilege 4516 TiWorker.exe Token: SeBackupPrivilege 4516 TiWorker.exe Token: SeRestorePrivilege 4516 TiWorker.exe Token: SeSecurityPrivilege 4516 TiWorker.exe Token: SeBackupPrivilege 4516 TiWorker.exe Token: SeRestorePrivilege 4516 TiWorker.exe Token: SeSecurityPrivilege 4516 TiWorker.exe Token: SeBackupPrivilege 4516 TiWorker.exe Token: SeRestorePrivilege 4516 TiWorker.exe Token: SeSecurityPrivilege 4516 TiWorker.exe Token: SeBackupPrivilege 4516 TiWorker.exe Token: SeRestorePrivilege 4516 TiWorker.exe Token: SeSecurityPrivilege 4516 TiWorker.exe Token: SeBackupPrivilege 4516 TiWorker.exe Token: SeRestorePrivilege 4516 TiWorker.exe Token: SeSecurityPrivilege 4516 TiWorker.exe Token: SeBackupPrivilege 4516 TiWorker.exe Token: SeRestorePrivilege 4516 TiWorker.exe Token: SeSecurityPrivilege 4516 TiWorker.exe Token: SeBackupPrivilege 4516 TiWorker.exe Token: SeRestorePrivilege 4516 TiWorker.exe Token: SeSecurityPrivilege 4516 TiWorker.exe Token: SeBackupPrivilege 4516 TiWorker.exe Token: SeRestorePrivilege 4516 TiWorker.exe Token: SeSecurityPrivilege 4516 TiWorker.exe Token: SeBackupPrivilege 4516 TiWorker.exe Token: SeRestorePrivilege 4516 TiWorker.exe Token: SeSecurityPrivilege 4516 TiWorker.exe Token: SeBackupPrivilege 4516 TiWorker.exe Token: SeRestorePrivilege 4516 TiWorker.exe Token: SeSecurityPrivilege 4516 TiWorker.exe Token: SeBackupPrivilege 4516 TiWorker.exe Token: SeRestorePrivilege 4516 TiWorker.exe Token: SeSecurityPrivilege 4516 TiWorker.exe Token: SeBackupPrivilege 4516 TiWorker.exe Token: SeRestorePrivilege 4516 TiWorker.exe Token: SeSecurityPrivilege 4516 TiWorker.exe Token: SeBackupPrivilege 4516 TiWorker.exe Token: SeRestorePrivilege 4516 TiWorker.exe Token: SeSecurityPrivilege 4516 TiWorker.exe Token: SeBackupPrivilege 4516 TiWorker.exe Token: SeRestorePrivilege 4516 TiWorker.exe Token: SeSecurityPrivilege 4516 TiWorker.exe Token: SeBackupPrivilege 4516 TiWorker.exe Token: SeRestorePrivilege 4516 TiWorker.exe Token: SeSecurityPrivilege 4516 TiWorker.exe Token: SeBackupPrivilege 4516 TiWorker.exe Token: SeRestorePrivilege 4516 TiWorker.exe Token: SeSecurityPrivilege 4516 TiWorker.exe Token: SeBackupPrivilege 4516 TiWorker.exe Token: SeRestorePrivilege 4516 TiWorker.exe Token: SeSecurityPrivilege 4516 TiWorker.exe Token: SeBackupPrivilege 4516 TiWorker.exe Token: SeRestorePrivilege 4516 TiWorker.exe Token: SeSecurityPrivilege 4516 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1424 wrote to memory of 2812 1424 0154ecc2f0e3365a81bfb217b1541ace0e4e96b01e55a2248b9c12777f0cdcff.exe 81 PID 1424 wrote to memory of 2812 1424 0154ecc2f0e3365a81bfb217b1541ace0e4e96b01e55a2248b9c12777f0cdcff.exe 81 PID 1424 wrote to memory of 2812 1424 0154ecc2f0e3365a81bfb217b1541ace0e4e96b01e55a2248b9c12777f0cdcff.exe 81 PID 1424 wrote to memory of 4520 1424 0154ecc2f0e3365a81bfb217b1541ace0e4e96b01e55a2248b9c12777f0cdcff.exe 92 PID 1424 wrote to memory of 4520 1424 0154ecc2f0e3365a81bfb217b1541ace0e4e96b01e55a2248b9c12777f0cdcff.exe 92 PID 1424 wrote to memory of 4520 1424 0154ecc2f0e3365a81bfb217b1541ace0e4e96b01e55a2248b9c12777f0cdcff.exe 92 PID 4520 wrote to memory of 4996 4520 cmd.exe 94 PID 4520 wrote to memory of 4996 4520 cmd.exe 94 PID 4520 wrote to memory of 4996 4520 cmd.exe 94
Processes
-
C:\Users\Admin\AppData\Local\Temp\0154ecc2f0e3365a81bfb217b1541ace0e4e96b01e55a2248b9c12777f0cdcff.exe"C:\Users\Admin\AppData\Local\Temp\0154ecc2f0e3365a81bfb217b1541ace0e4e96b01e55a2248b9c12777f0cdcff.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1424 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2812
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0154ecc2f0e3365a81bfb217b1541ace0e4e96b01e55a2248b9c12777f0cdcff.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:4520 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:4996
-
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:2732
-
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:4516