General
- Target splitscream.io_ransome.exe
- Size 39KB
- Sample260826-cc3eysbd67
- SHA256 0956c23e3731222db8c116cf9ec677bb64e0712e25fed80061cd31f275361248
- MD5 1d856722db8f50459516a67eb231b265
- SHA1 bac690fa4b812b455283ae9f26b64a44e0103403
- SHA512 ddf96aaa324d17b39470422cfd29ee93a3644764df67f7694c43017dca54dd730466e72a638cf8a3bb5c94cbe7f145dfb5902b70e47d366699d8f3ace0966f91
- SSDEEP 768:GI0wRY4T7fqdT2fWlF0kWiLeMmoIO9CH3dEEusXqKh6ayz4:+wR17vfWlWnomoIO9CXdf9Xqi6o
- TLSH T12203E84437FD8628E1FF6ABB5D3182008774F4979D23DB0D0AD5449E1AB3B448AE9B93
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
splitscream.io_ransome.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
splitscream.io_ransome.exe
Resource
win11ltsc2024-20260709-en
Malware Config
Extracted
-
nanocore
-
c2_port
22401
Targets
-
- Target splitscream.io_ransome.exe
- Size 39KB
- SHA256 0956c23e3731222db8c116cf9ec677bb64e0712e25fed80061cd31f275361248
- MD5 1d856722db8f50459516a67eb231b265
- SHA1 bac690fa4b812b455283ae9f26b64a44e0103403
- SHA512 ddf96aaa324d17b39470422cfd29ee93a3644764df67f7694c43017dca54dd730466e72a638cf8a3bb5c94cbe7f145dfb5902b70e47d366699d8f3ace0966f91
- SSDEEP 768:GI0wRY4T7fqdT2fWlF0kWiLeMmoIO9CH3dEEusXqKh6ayz4:+wR17vfWlWnomoIO9CXdf9Xqi6o
- TLSH T12203E84437FD8628E1FF6ABB5D3182008774F4979D23DB0D0AD5449E1AB3B448AE9B93
- 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.
-
Executes dropped EXE
-
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