Analysis Overview
SHA256
8975bb39ab3a37f2134b2c3795391927abc3bb77d3531957edf6449e1ac2ca06
Threat Level: Shows suspicious behavior
The file Clustertruck.exe was found to be: Shows suspicious behavior.
Malicious Activity Summary
Drops desktop.ini file(s)
Unsigned PE
Modifies registry class
Suspicious use of SetWindowsHookEx
Checks processor information in registry
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-31 15:51
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-31 15:51
Reported
2024-05-31 15:52
Platform
win7-20240221-en
Max time kernel
3s
Max time network
1s
Command Line
Signatures
Processes
C:\Users\Admin\AppData\Local\Temp\Clustertruck.exe
"C:\Users\Admin\AppData\Local\Temp\Clustertruck.exe"
Network
Files
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-31 15:51
Reported
2024-05-31 15:52
Platform
win10v2004-20240426-en
Max time kernel
30s
Max time network
28s
Command Line
Signatures
Drops desktop.ini file(s)
| Description | Indicator | Process | Target |
| File opened for modification | C:\Users\Admin\Videos\Captures\desktop.ini | C:\Windows\system32\svchost.exe | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 | C:\Windows\system32\svchost.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Windows\system32\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 | C:\Windows\system32\svchost.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Windows\system32\svchost.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-711569230-3659488422-571408806-1000\{FA2971F4-A929-4533-805A-5934C1B08B26} | C:\Windows\system32\svchost.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-711569230-3659488422-571408806-1000\{DCC50F02-160D-40E0-9D8C-116780228458} | C:\Windows\system32\svchost.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\OpenWith.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\Clustertruck.exe
"C:\Users\Admin\AppData\Local\Temp\Clustertruck.exe"
C:\Windows\System32\GameBarPresenceWriter.exe
"C:\Windows\System32\GameBarPresenceWriter.exe" -ServerName:Windows.Gaming.GameBar.Internal.PresenceWriterServer
C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k BcastDVRUserService -s BcastDVRUserService
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k BcastDVRUserService -s BcastDVRUserService
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| NL | 52.142.223.178:80 | tcp | |
| US | 8.8.8.8:53 | udp | |
| N/A | 13.85.23.86:443 | tcp |
Files
C:\Users\Admin\Videos\Captures\desktop.ini
| MD5 | b0d27eaec71f1cd73b015f5ceeb15f9d |
| SHA1 | 62264f8b5c2f5034a1e4143df6e8c787165fbc2f |
| SHA256 | 86d9f822aeb989755fac82929e8db369b3f5f04117ef96fd76e3d5f920a501d2 |
| SHA512 | 7b5c9783a0a14b600b156825639d24cbbc000f5066c48ce9fecc195255603fc55129aaaca336d7ce6ad4e941d5492b756562f2c7a1d151fcfc2dabac76f3946c |