Analysis Overview
SHA256
564dd895beba4f060b55d76a578baea5b63ec9a81bbef4e72cd6d499d37f6dc6
Threat Level: Known bad
The file 564dd895beba4f060b55d76a578baea5b63ec9a81bbef4e72cd6d499d37f6dc6.sample was found to be: Known bad.
Malicious Activity Summary
MedusaLocker payload
Medusalocker family
Suspicious use of NtCreateUserProcessOtherParentProcess
Enumerates connected drives
Unsigned PE
Suspicious use of WriteProcessMemory
System policy modification
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-02-27 17:40
Signatures
MedusaLocker payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Medusalocker family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-02-27 17:40
Reported
2024-02-27 17:43
Platform
win7-20240221-en
Max time kernel
118s
Max time network
124s
Command Line
Signatures
Suspicious use of NtCreateUserProcessOtherParentProcess
| Description | Indicator | Process | Target |
| PID 1136 created 1352 | N/A | C:\Users\Admin\AppData\Local\Temp\564dd895beba4f060b55d76a578baea5b63ec9a81bbef4e72cd6d499d37f6dc6.exe | C:\Windows\Explorer.EXE |
Enumerates connected drives
Suspicious use of WriteProcessMemory
System policy modification
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System | C:\Users\Admin\AppData\Local\Temp\564dd895beba4f060b55d76a578baea5b63ec9a81bbef4e72cd6d499d37f6dc6.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLinkedConnections = "1" | C:\Users\Admin\AppData\Local\Temp\564dd895beba4f060b55d76a578baea5b63ec9a81bbef4e72cd6d499d37f6dc6.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System | C:\Users\Admin\AppData\Local\Temp\564dd895beba4f060b55d76a578baea5b63ec9a81bbef4e72cd6d499d37f6dc6.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLinkedConnections = "1" | C:\Users\Admin\AppData\Local\Temp\564dd895beba4f060b55d76a578baea5b63ec9a81bbef4e72cd6d499d37f6dc6.exe | N/A |
Processes
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Users\Admin\AppData\Local\Temp\564dd895beba4f060b55d76a578baea5b63ec9a81bbef4e72cd6d499d37f6dc6.exe
"C:\Users\Admin\AppData\Local\Temp\564dd895beba4f060b55d76a578baea5b63ec9a81bbef4e72cd6d499d37f6dc6.exe"
C:\Users\Admin\AppData\Local\Temp\564dd895beba4f060b55d76a578baea5b63ec9a81bbef4e72cd6d499d37f6dc6.exe
\\?\C:\Users\Admin\AppData\Local\Temp\564dd895beba4f060b55d76a578baea5b63ec9a81bbef4e72cd6d499d37f6dc6.exe -network
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c pause
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c pause
Network
Files
Analysis: behavioral2
Detonation Overview
Submitted
2024-02-27 17:40
Reported
2024-02-27 17:43
Platform
win10v2004-20240226-en
Max time kernel
141s
Max time network
158s
Command Line
Signatures
Suspicious use of NtCreateUserProcessOtherParentProcess
| Description | Indicator | Process | Target |
| PID 4356 created 3296 | N/A | C:\Users\Admin\AppData\Local\Temp\564dd895beba4f060b55d76a578baea5b63ec9a81bbef4e72cd6d499d37f6dc6.exe | C:\Windows\Explorer.EXE |
Enumerates connected drives
Suspicious use of WriteProcessMemory
System policy modification
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System | C:\Users\Admin\AppData\Local\Temp\564dd895beba4f060b55d76a578baea5b63ec9a81bbef4e72cd6d499d37f6dc6.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLinkedConnections = "1" | C:\Users\Admin\AppData\Local\Temp\564dd895beba4f060b55d76a578baea5b63ec9a81bbef4e72cd6d499d37f6dc6.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System | C:\Users\Admin\AppData\Local\Temp\564dd895beba4f060b55d76a578baea5b63ec9a81bbef4e72cd6d499d37f6dc6.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLinkedConnections = "1" | C:\Users\Admin\AppData\Local\Temp\564dd895beba4f060b55d76a578baea5b63ec9a81bbef4e72cd6d499d37f6dc6.exe | N/A |
Processes
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Users\Admin\AppData\Local\Temp\564dd895beba4f060b55d76a578baea5b63ec9a81bbef4e72cd6d499d37f6dc6.exe
"C:\Users\Admin\AppData\Local\Temp\564dd895beba4f060b55d76a578baea5b63ec9a81bbef4e72cd6d499d37f6dc6.exe"
C:\Users\Admin\AppData\Local\Temp\564dd895beba4f060b55d76a578baea5b63ec9a81bbef4e72cd6d499d37f6dc6.exe
\\?\C:\Users\Admin\AppData\Local\Temp\564dd895beba4f060b55d76a578baea5b63ec9a81bbef4e72cd6d499d37f6dc6.exe -network
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c pause
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3748 --field-trial-handle=3192,i,2785050981002401924,4037047756083432660,262144 --variations-seed-version /prefetch:8
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c pause
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 140.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 13.107.253.64:443 | tcp | |
| US | 8.8.8.8:53 | 205.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 179.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 168.117.168.52.in-addr.arpa | udp |