General
- Target yaziyorum.io_ransome.exe
- Size 39KB
- Sample260810-cb1jzayfrb
- SHA256 7d6c77220c925a11cc932a96becbfaf1edc4b00d3522bc9f738e1abdb8e80d57
- MD5 b33b0e9b47ee635058d708f4d50ba807
- SHA1 250651b83763719b5d06e721b9882158c17c0346
- SHA512 8fe155493597922ef72ef5f388723260387e085b583035d634c84d2354dd5ba4680678f6f06c9028f2ca6caaac7fce014d18f19dd27bc5e8ccb0fed40f5d3766
- SSDEEP 768:sIX+3t4tMYrbLcqNuYs37sGsmoIS9aHldEEusXqKhTayzv:Wd4tBbLk4DmoIS9aFdf9XqiTf
- TLSH T16303E80537FD8668F1BF6AB74D7282008775F8979D22D70D0ED1848E1AB3B448E99B93
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
yaziyorum.io_ransome.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
yaziyorum.io_ransome.exe
Resource
win11ltsc2024-20260709-en
Malware Config
Extracted
-
nanocore
-
c2_port
22401
Targets
-
- Target yaziyorum.io_ransome.exe
- Size 39KB
- SHA256 7d6c77220c925a11cc932a96becbfaf1edc4b00d3522bc9f738e1abdb8e80d57
- MD5 b33b0e9b47ee635058d708f4d50ba807
- SHA1 250651b83763719b5d06e721b9882158c17c0346
- SHA512 8fe155493597922ef72ef5f388723260387e085b583035d634c84d2354dd5ba4680678f6f06c9028f2ca6caaac7fce014d18f19dd27bc5e8ccb0fed40f5d3766
- SSDEEP 768:sIX+3t4tMYrbLcqNuYs37sGsmoIS9aHldEEusXqKhTayzv:Wd4tBbLk4DmoIS9aFdf9XqiTf
- TLSH T16303E80537FD8668F1BF6AB74D7282008775F8979D22D70D0ED1848E1AB3B448E99B93
- 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
1PowerShell
1Scheduled 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