General
- Target www.nexusbet.io_ransome.exe
- Size 39KB
- Sample260827-qd4lashn2s
- SHA256 a7d55cf796cbe1a61dabc92aa43460cab4000213602a425dab8e00d2bae7d62b
- MD5 a7474810792d785cd7f870f44d16fc1e
- SHA1 684bd36063fd3cf7f40ce1184a1aad20c96a233b
- SHA512 e42c26897f47219d0515e70236468071ad224e347098b8abf6de8663a71e26112b58f4c8c139604d4a327488708c5e8a127de8edfd1430b10e1d564292c26b22
- SSDEEP 768:10nNoieo3T9qlbSFto78moIc95H7dEEusXqKhVayza:ioiXTrFto4moIc95bdf9XqiVK
- TLSH T1CA03E84137FD8628E1BF6ABB4D3282008775F4979D13D70D0ED5849E1AB3B448AA8B93
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
www.nexusbet.io_ransome.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
www.nexusbet.io_ransome.exe
Resource
win11ltsc2024-20260709-en
Malware Config
Extracted
-
nanocore
-
c2_port
22401
Targets
-
- Target www.nexusbet.io_ransome.exe
- Size 39KB
- SHA256 a7d55cf796cbe1a61dabc92aa43460cab4000213602a425dab8e00d2bae7d62b
- MD5 a7474810792d785cd7f870f44d16fc1e
- SHA1 684bd36063fd3cf7f40ce1184a1aad20c96a233b
- SHA512 e42c26897f47219d0515e70236468071ad224e347098b8abf6de8663a71e26112b58f4c8c139604d4a327488708c5e8a127de8edfd1430b10e1d564292c26b22
- SSDEEP 768:10nNoieo3T9qlbSFto78moIc95H7dEEusXqKhVayza:ioiXTrFto4moIc95bdf9XqiVK
- TLSH T1CA03E84137FD8628E1BF6ABB4D3282008775F4979D13D70D0ED5849E1AB3B448AA8B93
- 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