General
- Target htvproductions.tv_nano.exe
- Size 64KB
- Sample260924-bckdpsad48
- SHA256 a1de74adfde2865d45d4e43afa809ba5e97b1875b8f7fe922151b20fa22bda56
- MD5 292e64c899650316841cba19b0edaf60
- SHA1 12b225cbf96bde98a75f9fbe709a72c8335da497
- SHA512 9c8f86a4ea47fc8bad9914be381ae85127b174c76a3d51328fd5fb155165de8d9f808e43f50b50b921f3a476bdd0bd2a77c2fddff3139e259aca705d4791c193
- SSDEEP 1536:za6TGhsYNpm8YLPOrTAXO/9+OpumA2WCc3VnwguagnZ:u0Ipm8YLPgR9+OpzA2WCc3VwgurZ
- TLSH T19D53E88477F98621E5FF4AFE5D3191114B31F8679C23D78E0A85049E1AB2784CEE8B27
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
htvproductions.tv_nano.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
htvproductions.tv_nano.exe
Resource
win11ltsc2024-20260911-en
Malware Config
Extracted
-
nanocore
-
1.2.2.0
-
http://htvproductions.tv
-
ac7e2f05-8df7-4c55-8841-78385f6bb064
-
c2_url
http://htvproductions.tv
-
version
1.2.2.0
Targets
-
- Target htvproductions.tv_nano.exe
- Size 64KB
- SHA256 a1de74adfde2865d45d4e43afa809ba5e97b1875b8f7fe922151b20fa22bda56
- MD5 292e64c899650316841cba19b0edaf60
- SHA1 12b225cbf96bde98a75f9fbe709a72c8335da497
- SHA512 9c8f86a4ea47fc8bad9914be381ae85127b174c76a3d51328fd5fb155165de8d9f808e43f50b50b921f3a476bdd0bd2a77c2fddff3139e259aca705d4791c193
- SSDEEP 1536:za6TGhsYNpm8YLPOrTAXO/9+OpumA2WCc3VnwguagnZ:u0Ipm8YLPgR9+OpzA2WCc3VwgurZ
- TLSH T19D53E88477F98621E5FF4AFE5D3191114B31F8679C23D78E0A85049E1AB2784CEE8B27
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Contains code to disable Windows Defender
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
-
Modifies security service
-
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 RegEdit via registry modification
-
Disables Task Manager via registry modification
-
Drops file in Drivers directory
-
Event Triggered Execution: Image File Execution Options Injection
-
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.
-
Disables service(s)
-
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.
-
Discovers running processes
Running process information can be used to identify security tools or plan follow-on actions.
-
Drops file in System32 directory
-
Executes a VBScript file via the Windows Script Host.
-
Sets desktop wallpaper using registry
-
Suspicious use of NtSetInformationThreadHideFromDebugger
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
4PowerShell
1Visual Basic
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1System Services
2Service Execution
2Windows Management Instrumentation
1Persistence
Account Manipulation
1Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Create Account
1Local Account
1Create or Modify System Process
5Windows Service
5Event Triggered Execution
2Image File Execution Options Injection
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Account Manipulation
1Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Create or Modify System Process
5Windows Service
5Event Triggered Execution
2Image File Execution Options Injection
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Debugger Evasion
1Direct Volume Access
1Impair Defenses
3Disable or Modify System Firewall
1Disable or Modify Tools
1Indicator Removal
2File Deletion
2Modify Registry
4Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1