General
- Target 90phuttv5.co_ransome.exe
- Size 39KB
- Sample261026-v2sk6afv2w
- SHA256 50b902e3761b6a789ad9c76fa19ad7ca0bb7c64985849559c5278540028e3ed3
- MD5 6d6e14365cfba0de234cc7e1d7fe6479
- SHA1 58b26ee1df0a5cdd8e7cb0af65fa2255fcc98eb7
- SHA512 30279143432a28b4c6b529eb049cc949f6b1a0d75d46a8c8a8f8a8f4a084752dc5fcd868cb9c048651aeeecb9be979ccc6a4278232e85d3a87ddb14de3520a9e
- SSDEEP 768:IIX+3t4tMYrbLcqNuYs37sGCmoI89IHndEEusXqKh/ayz9:qd4tBbLk4JmoI89IHdf9Xqi/N
- TLSH T1AC03E74537FD8668F1BF6AB74D7282008775F8978D22D70D0ED1848E1AB3B448E99B93
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
90phuttv5.co_ransome.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
90phuttv5.co_ransome.exe
Resource
win11ltsc2024-20260911-en
Malware Config
Extracted
-
nanocore
-
c2_port
22401
Targets
-
- Target 90phuttv5.co_ransome.exe
- Size 39KB
- SHA256 50b902e3761b6a789ad9c76fa19ad7ca0bb7c64985849559c5278540028e3ed3
- MD5 6d6e14365cfba0de234cc7e1d7fe6479
- SHA1 58b26ee1df0a5cdd8e7cb0af65fa2255fcc98eb7
- SHA512 30279143432a28b4c6b529eb049cc949f6b1a0d75d46a8c8a8f8a8f4a084752dc5fcd868cb9c048651aeeecb9be979ccc6a4278232e85d3a87ddb14de3520a9e
- SSDEEP 768:IIX+3t4tMYrbLcqNuYs37sGCmoI89IHndEEusXqKh/ayz9:qd4tBbLk4JmoI89IHdf9Xqi/N
- TLSH T1AC03E74537FD8668F1BF6AB74D7282008775F8978D22D70D0ED1848E1AB3B448E99B93
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
-
Grants admin privileges
Uses net.exe to modify the user's privileges.
-
Disables one or more Microsoft Defender components
Uses the Powershell Set-MpPreference cmdlet to disable one or more Microsoft Defender components.
-
Modifies Windows Firewall
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Creates a file in the Startup directory
A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.
-
Stops running service(s)
-
Adds Run key to start application
-
Creates a new local user account
Uses net.exe to create a new local user account, often for persistence or a backdoor account.
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2PowerShell
2Scheduled Task/Job
1Scheduled Task
1System Services
1Service Execution
1Windows Management Instrumentation
1Persistence
Account Manipulation
1Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Create Account
1Local Account
1Create or Modify System Process
2Windows Service
2Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Account Manipulation
1Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Create or Modify System Process
2Windows Service
2Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Direct Volume Access
1Impair Defenses
3Disable or Modify System Firewall
1Disable or Modify Tools
1Indicator Removal
2File Deletion
2Modify Registry
1