General
- Target h-of-r.com_ransome.exe
- Size 39KB
- Sample261009-b97khag19x
- SHA256 3e5a35d26b6eeccfb4d694f4a6e70ea532ff03844e2a841c5b6e81da034a7e10
- MD5 a758bea6afc251ce944b66fae063f8cc
- SHA1 666c43c13a60562d6ebd83280b1501783b8abc54
- SHA512 7ef723fa6f1ddbe2e727811121d68ad240636c1dcf66cfe5f0bbc46d9d85087c718829a9b568e2332744bf68381c4b83f7a94eccdecdd5b9fd51588c923e2919
- SSDEEP 768:J44wJAIT70qNSAABfXkbmoID9THTdEEusXqKhmayz6:DwJd7l2UbmoID9Tzdf9XqimK
- TLSH T1B303E84437FD8628E1BF6BBB4D7282008775F8978D13D70D0ED5849E1AB3B4489A9B93
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
h-of-r.com_ransome.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
h-of-r.com_ransome.exe
Resource
win11ltsc2024-20260911-en
Malware Config
Extracted
-
nanocore
-
c2_port
22401
Targets
-
- Target h-of-r.com_ransome.exe
- Size 39KB
- SHA256 3e5a35d26b6eeccfb4d694f4a6e70ea532ff03844e2a841c5b6e81da034a7e10
- MD5 a758bea6afc251ce944b66fae063f8cc
- SHA1 666c43c13a60562d6ebd83280b1501783b8abc54
- SHA512 7ef723fa6f1ddbe2e727811121d68ad240636c1dcf66cfe5f0bbc46d9d85087c718829a9b568e2332744bf68381c4b83f7a94eccdecdd5b9fd51588c923e2919
- SSDEEP 768:J44wJAIT70qNSAABfXkbmoID9THTdEEusXqKhmayz6:DwJd7l2UbmoID9Tzdf9XqimK
- TLSH T1B303E84437FD8628E1BF6BBB4D7282008775F8978D13D70D0ED5849E1AB3B4489A9B93
- 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
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