General
- Target 90phut.review_nano.exe
- Size 64KB
- Sample261027-c83qlaxy5q
- SHA256 d826691b0170c2213f1ebc76e7095e7ddd9e8b2afc6c42ea517fd0771e4f70eb
- MD5 2dba1e0c1a8577b752dd69c44fee0a82
- SHA1 0baa8cddd5feafbfc41357987e19d6346a606516
- SHA512 81197547ecaa59d94a53c87abd7975101f571b1e49161781a4770270158864e1b1af2f3c5910ae0787aba68ff1ed9740794a711183b95661857ffbe7d62c37e8
- SSDEEP 1536:macS+3QARi3Pipykb/9uOpuwA2WCc3VnwPuagnX:9cdRi3P659uOpVA2WCc3VwPurX
- TLSH T16853D78477E98620E5EF4EFE4D3291104B31F867AD23D78D0A95549D1A72780CEECB27
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
90phut.review_nano.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
90phut.review_nano.exe
Resource
win11ltsc2024-20260911-en
Malware Config
Extracted
-
nanocore
-
1.2.2.0
-
http://90phut.review
-
ac7e2f05-8df7-4c55-8841-78385f6bb064
-
c2_url
http://90phut.review
-
version
1.2.2.0
Targets
-
- Target 90phut.review_nano.exe
- Size 64KB
- SHA256 d826691b0170c2213f1ebc76e7095e7ddd9e8b2afc6c42ea517fd0771e4f70eb
- MD5 2dba1e0c1a8577b752dd69c44fee0a82
- SHA1 0baa8cddd5feafbfc41357987e19d6346a606516
- SHA512 81197547ecaa59d94a53c87abd7975101f571b1e49161781a4770270158864e1b1af2f3c5910ae0787aba68ff1ed9740794a711183b95661857ffbe7d62c37e8
- SSDEEP 1536:macS+3QARi3Pipykb/9uOpuwA2WCc3VnwPuagnX:9cdRi3P659uOpVA2WCc3VwPurX
- TLSH T16853D78477E98620E5EF4EFE4D3291104B31F867AD23D78D0A95549D1A72780CEECB27
- 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