General
- Target www.nambiardistrict25.info_ransome.exe
- Size 39KB
- Sample261015-v43txaa12q
- SHA256 bd3497f3255ba1370dadf5751674508d1139d2cde61e18af5fd8a60105568975
- MD5 6e4605e0b099e3eeeb10dba11a0229b5
- SHA1 9a03c76e99271e449430d8c685ea9877823567bf
- SHA512 d66ef62f231895b00baeef26067b417b235575e742952b14071d022f57dfabbb38b74f70c3e0c63ae44c1c18ac08527a49fc3c1375fac646fe6334969f9faa90
- SSDEEP 768:W4NEVONlgIT7IqdPHglF4VJmoIj9kHmdEEusXqKh4ayzPh:s0Nl97jYlaJmoIj9kGdf9Xqi4J
- TLSH T11203D74437ED8628E1FF6BBB4D7282008775B4979D23D70D0ED1849E1A73B448EA9B93
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
www.nambiardistrict25.info_ransome.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
www.nambiardistrict25.info_ransome.exe
Resource
win11ltsc2024-20260911-en
Malware Config
Extracted
-
nanocore
-
c2_port
22401
Targets
-
- Target www.nambiardistrict25.info_ransome.exe
- Size 39KB
- SHA256 bd3497f3255ba1370dadf5751674508d1139d2cde61e18af5fd8a60105568975
- MD5 6e4605e0b099e3eeeb10dba11a0229b5
- SHA1 9a03c76e99271e449430d8c685ea9877823567bf
- SHA512 d66ef62f231895b00baeef26067b417b235575e742952b14071d022f57dfabbb38b74f70c3e0c63ae44c1c18ac08527a49fc3c1375fac646fe6334969f9faa90
- SSDEEP 768:W4NEVONlgIT7IqdPHglF4VJmoIj9kHmdEEusXqKh4ayzPh:s0Nl97jYlaJmoIj9kGdf9Xqi4J
- TLSH T11203D74437ED8628E1FF6BBB4D7282008775B4979D23D70D0ED1849E1A73B448EA9B93
- 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.
-
Drops file in System32 directory
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