Analysis
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max time kernel
163s -
max time network
173s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
12-02-2022 05:32
Static task
static1
Behavioral task
behavioral1
Sample
126c81128464e2eeabe48a9413fcfa8e01645a0b5a56cf0b6090d7c682964846.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
126c81128464e2eeabe48a9413fcfa8e01645a0b5a56cf0b6090d7c682964846.exe
Resource
win10v2004-en-20220113
General
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Target
126c81128464e2eeabe48a9413fcfa8e01645a0b5a56cf0b6090d7c682964846.exe
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Size
36KB
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MD5
a78e82245103aca7f26f67355b280629
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SHA1
187674c7b37413b1ed49e80b46af468d41bfa0b3
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SHA256
126c81128464e2eeabe48a9413fcfa8e01645a0b5a56cf0b6090d7c682964846
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SHA512
fed17999ebb429d5f092d0143203653c80df9d08cacd33840368cb846932a0eee9edff40332638e9bb19c781eba71b20d8d5b7c203dcdac99e01b7d0dfdc7d07
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 4752 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
126c81128464e2eeabe48a9413fcfa8e01645a0b5a56cf0b6090d7c682964846.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation 126c81128464e2eeabe48a9413fcfa8e01645a0b5a56cf0b6090d7c682964846.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
126c81128464e2eeabe48a9413fcfa8e01645a0b5a56cf0b6090d7c682964846.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 126c81128464e2eeabe48a9413fcfa8e01645a0b5a56cf0b6090d7c682964846.exe -
Drops file in Windows directory 8 IoCs
Processes:
TiWorker.exesvchost.exedescription ioc process 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 File opened for modification C:\Windows\SoftwareDistribution\ReportingEvents.log 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.exe126c81128464e2eeabe48a9413fcfa8e01645a0b5a56cf0b6090d7c682964846.exedescription pid process Token: SeShutdownPrivilege 648 svchost.exe Token: SeCreatePagefilePrivilege 648 svchost.exe Token: SeShutdownPrivilege 648 svchost.exe Token: SeCreatePagefilePrivilege 648 svchost.exe Token: SeShutdownPrivilege 648 svchost.exe Token: SeCreatePagefilePrivilege 648 svchost.exe Token: SeSecurityPrivilege 484 TiWorker.exe Token: SeRestorePrivilege 484 TiWorker.exe Token: SeBackupPrivilege 484 TiWorker.exe Token: SeBackupPrivilege 484 TiWorker.exe Token: SeRestorePrivilege 484 TiWorker.exe Token: SeSecurityPrivilege 484 TiWorker.exe Token: SeBackupPrivilege 484 TiWorker.exe Token: SeRestorePrivilege 484 TiWorker.exe Token: SeSecurityPrivilege 484 TiWorker.exe Token: SeBackupPrivilege 484 TiWorker.exe Token: SeRestorePrivilege 484 TiWorker.exe Token: SeSecurityPrivilege 484 TiWorker.exe Token: SeBackupPrivilege 484 TiWorker.exe Token: SeRestorePrivilege 484 TiWorker.exe Token: SeSecurityPrivilege 484 TiWorker.exe Token: SeBackupPrivilege 484 TiWorker.exe Token: SeRestorePrivilege 484 TiWorker.exe Token: SeSecurityPrivilege 484 TiWorker.exe Token: SeIncBasePriorityPrivilege 4660 126c81128464e2eeabe48a9413fcfa8e01645a0b5a56cf0b6090d7c682964846.exe Token: SeBackupPrivilege 484 TiWorker.exe Token: SeRestorePrivilege 484 TiWorker.exe Token: SeSecurityPrivilege 484 TiWorker.exe Token: SeBackupPrivilege 484 TiWorker.exe Token: SeRestorePrivilege 484 TiWorker.exe Token: SeSecurityPrivilege 484 TiWorker.exe Token: SeBackupPrivilege 484 TiWorker.exe Token: SeRestorePrivilege 484 TiWorker.exe Token: SeSecurityPrivilege 484 TiWorker.exe Token: SeBackupPrivilege 484 TiWorker.exe Token: SeRestorePrivilege 484 TiWorker.exe Token: SeSecurityPrivilege 484 TiWorker.exe Token: SeBackupPrivilege 484 TiWorker.exe Token: SeRestorePrivilege 484 TiWorker.exe Token: SeSecurityPrivilege 484 TiWorker.exe Token: SeBackupPrivilege 484 TiWorker.exe Token: SeRestorePrivilege 484 TiWorker.exe Token: SeSecurityPrivilege 484 TiWorker.exe Token: SeBackupPrivilege 484 TiWorker.exe Token: SeRestorePrivilege 484 TiWorker.exe Token: SeSecurityPrivilege 484 TiWorker.exe Token: SeBackupPrivilege 484 TiWorker.exe Token: SeRestorePrivilege 484 TiWorker.exe Token: SeSecurityPrivilege 484 TiWorker.exe Token: SeBackupPrivilege 484 TiWorker.exe Token: SeRestorePrivilege 484 TiWorker.exe Token: SeSecurityPrivilege 484 TiWorker.exe Token: SeBackupPrivilege 484 TiWorker.exe Token: SeRestorePrivilege 484 TiWorker.exe Token: SeSecurityPrivilege 484 TiWorker.exe Token: SeBackupPrivilege 484 TiWorker.exe Token: SeRestorePrivilege 484 TiWorker.exe Token: SeSecurityPrivilege 484 TiWorker.exe Token: SeBackupPrivilege 484 TiWorker.exe Token: SeRestorePrivilege 484 TiWorker.exe Token: SeSecurityPrivilege 484 TiWorker.exe Token: SeBackupPrivilege 484 TiWorker.exe Token: SeRestorePrivilege 484 TiWorker.exe Token: SeSecurityPrivilege 484 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
126c81128464e2eeabe48a9413fcfa8e01645a0b5a56cf0b6090d7c682964846.execmd.exedescription pid process target process PID 4660 wrote to memory of 4752 4660 126c81128464e2eeabe48a9413fcfa8e01645a0b5a56cf0b6090d7c682964846.exe MediaCenter.exe PID 4660 wrote to memory of 4752 4660 126c81128464e2eeabe48a9413fcfa8e01645a0b5a56cf0b6090d7c682964846.exe MediaCenter.exe PID 4660 wrote to memory of 4752 4660 126c81128464e2eeabe48a9413fcfa8e01645a0b5a56cf0b6090d7c682964846.exe MediaCenter.exe PID 4660 wrote to memory of 568 4660 126c81128464e2eeabe48a9413fcfa8e01645a0b5a56cf0b6090d7c682964846.exe cmd.exe PID 4660 wrote to memory of 568 4660 126c81128464e2eeabe48a9413fcfa8e01645a0b5a56cf0b6090d7c682964846.exe cmd.exe PID 4660 wrote to memory of 568 4660 126c81128464e2eeabe48a9413fcfa8e01645a0b5a56cf0b6090d7c682964846.exe cmd.exe PID 568 wrote to memory of 4968 568 cmd.exe PING.EXE PID 568 wrote to memory of 4968 568 cmd.exe PING.EXE PID 568 wrote to memory of 4968 568 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\126c81128464e2eeabe48a9413fcfa8e01645a0b5a56cf0b6090d7c682964846.exe"C:\Users\Admin\AppData\Local\Temp\126c81128464e2eeabe48a9413fcfa8e01645a0b5a56cf0b6090d7c682964846.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4660 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:4752 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\126c81128464e2eeabe48a9413fcfa8e01645a0b5a56cf0b6090d7c682964846.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:568 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:4968
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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:648
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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:484
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
27567973b024cc15bfe3f9ff61a353f4
SHA1e67c2b21e153dcf3efcfffea9595cee179d90d33
SHA2564853a7ed2b8cb6eb8fc1959f5c7ee32d63ace2ac68896eff82d2b1943c9f4b53
SHA512b9a8fd04cffa018d1ebe7c6c0a73dad13cb8573ca7d448410349bf860b9259237de216b42f32ab87c4bc0325c43c2793e3b8353070e493c01793ba126af36e69
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MD5
27567973b024cc15bfe3f9ff61a353f4
SHA1e67c2b21e153dcf3efcfffea9595cee179d90d33
SHA2564853a7ed2b8cb6eb8fc1959f5c7ee32d63ace2ac68896eff82d2b1943c9f4b53
SHA512b9a8fd04cffa018d1ebe7c6c0a73dad13cb8573ca7d448410349bf860b9259237de216b42f32ab87c4bc0325c43c2793e3b8353070e493c01793ba126af36e69