General
- Target tructiepbongda.fans_nano.exe
- Size 64KB
- Sample261018-vgf2mae18n
- SHA256 375b033ea081be40e87db76b9b0ad5158e1d85f8572ef6ee49a6bd721fc1590f
- MD5 dd18330bb730d3bc404698b52d9a6bd2
- SHA1 d5cf53c6096623b9fe7f0947991fab20d232274b
- SHA512 7ea4781addc4f8c6076da44f8255dda42405d8e564a2e3b4fa62e34fc9f1c3bc630794b20f4dc023ee4afdea1001cc6f6af5fe2b838b540553bd08caae9d63c9
- SSDEEP 1536:GaCGCeURVZeuPjmOkMe/9uOpuBA2WCc3VnwEuagn1:tPwVZDPCos9uOpMA2WCc3VwEur1
- TLSH T10053D88477FA8610E5BE4AFE4D31A5114731F877AC23D78E0A84449E1A73745CEE8B2B
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
tructiepbongda.fans_nano.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
tructiepbongda.fans_nano.exe
Resource
win11ltsc2024-20260911-en
Malware Config
Extracted
-
nanocore
-
1.2.2.0
-
http://tructiepbongda.fans
-
ac7e2f05-8df7-4c55-8841-78385f6bb064
-
c2_url
http://tructiepbongda.fans
-
version
1.2.2.0
Targets
-
- Target tructiepbongda.fans_nano.exe
- Size 64KB
- SHA256 375b033ea081be40e87db76b9b0ad5158e1d85f8572ef6ee49a6bd721fc1590f
- MD5 dd18330bb730d3bc404698b52d9a6bd2
- SHA1 d5cf53c6096623b9fe7f0947991fab20d232274b
- SHA512 7ea4781addc4f8c6076da44f8255dda42405d8e564a2e3b4fa62e34fc9f1c3bc630794b20f4dc023ee4afdea1001cc6f6af5fe2b838b540553bd08caae9d63c9
- SSDEEP 1536:GaCGCeURVZeuPjmOkMe/9uOpuBA2WCc3VnwEuagn1:tPwVZDPCos9uOpMA2WCc3VwEur1
- TLSH T10053D88477FA8610E5BE4AFE4D31A5114731F877AC23D78E0A84449E1A73745CEE8B2B
- 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