General
- Target devolvedai.com_nano.exe
- Size 64KB
- Sample261016-jmtdcsztdv
- SHA256 144d62ba8cc347021c82fe921c0ada4a18dd8108e06680beec9115bb8ddc6f34
- MD5 1b777888a318aa8ba00d47744ddefb17
- SHA1 7450c0c367681bd5bf6960cd454b2e6e84120f9c
- SHA512 fce950a7ddedc84bc694b1a021107aae1608c1c3054b4a4e461f3e99efcd2b5013751884851afb9fafca678295662b3aeb05bde5318bedd5612a885e6bdfba86
- SSDEEP 1536:q2EWo7uIlfrBPAtnuwWE4hI/zW6t1+DWyy/94OpuyA2WCc3VnwNuagnn:1OblfrBPYW62a94OpjA2WCc3VwNurn
- TLSH T12D53E88437E98621E5FF4AFE4D3296114731F8679C23D78D0A84449E1AB3785CEE8B27
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
devolvedai.com_nano.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
devolvedai.com_nano.exe
Resource
win11ltsc2024-20260911-en
Malware Config
Extracted
-
nanocore
-
1.2.2.0
-
http://devolvedai.com
-
ac7e2f05-8df7-4c55-8841-78385f6bb064
-
c2_url
http://devolvedai.com
-
version
1.2.2.0
Targets
-
- Target devolvedai.com_nano.exe
- Size 64KB
- SHA256 144d62ba8cc347021c82fe921c0ada4a18dd8108e06680beec9115bb8ddc6f34
- MD5 1b777888a318aa8ba00d47744ddefb17
- SHA1 7450c0c367681bd5bf6960cd454b2e6e84120f9c
- SHA512 fce950a7ddedc84bc694b1a021107aae1608c1c3054b4a4e461f3e99efcd2b5013751884851afb9fafca678295662b3aeb05bde5318bedd5612a885e6bdfba86
- SSDEEP 1536:q2EWo7uIlfrBPAtnuwWE4hI/zW6t1+DWyy/94OpuyA2WCc3VnwNuagnn:1OblfrBPYW62a94OpjA2WCc3VwNurn
- TLSH T12D53E88437E98621E5FF4AFE4D3296114731F8679C23D78D0A84449E1AB3785CEE8B27
- 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
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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
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Disables Task Manager via registry modification
-
Drops file in Drivers directory
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Event Triggered Execution: Image File Execution Options Injection
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Modifies Windows Firewall
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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.
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Disables service(s)
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Stops running service(s)
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Adds Run key to start application
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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.
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Drops file in System32 directory
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Executes a VBScript file via the Windows Script Host.
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Sets desktop wallpaper using registry
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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