General
- Target fb888.io_new.exe
- Size 25KB
- Sample261020-rt4rns1tg1
- SHA256 6f36ede475fc614342a9bbb08cd1c714e12cf5826e8a70b7946be046df2c204d
- MD5 524fcb534a8c99296dded47206524b3b
- SHA1 632918b42234eff666819cee5840cf13dc8eac04
- SHA512 2d85a55d1640e268c487d511d964aade7ba463788253408b3171d6242625976a22dfee5c8cdb3436c803747aa25946f38d56b24c47ad075c1713c14e6c9b8f90
- SSDEEP 384:x+FtU+baa4l0H9vkoPg0AhXcMZWcMl4+FIeUx90TGwNJ8G+H+pz9yS5W5amW:wYxCdvZPglFc0W/myIz9uD8zWBySd
- TLSH T122C2F74177FCC668E0BF5BB69C7257004774B89B9D12CB0E0EE8848E1E777444AA4BE2
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
fb888.io_new.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
fb888.io_new.exe
Resource
win11ltsc2024-20260911-en
Malware Config
Extracted
-
nanocore
-
c2_port
443
Targets
-
- Target fb888.io_new.exe
- Size 25KB
- SHA256 6f36ede475fc614342a9bbb08cd1c714e12cf5826e8a70b7946be046df2c204d
- MD5 524fcb534a8c99296dded47206524b3b
- SHA1 632918b42234eff666819cee5840cf13dc8eac04
- SHA512 2d85a55d1640e268c487d511d964aade7ba463788253408b3171d6242625976a22dfee5c8cdb3436c803747aa25946f38d56b24c47ad075c1713c14e6c9b8f90
- SSDEEP 384:x+FtU+baa4l0H9vkoPg0AhXcMZWcMl4+FIeUx90TGwNJ8G+H+pz9yS5W5amW:wYxCdvZPglFc0W/myIz9uD8zWBySd
- TLSH T122C2F74177FCC668E0BF5BB69C7257004774B89B9D12CB0E0EE8848E1E777444AA4BE2
- MD5 SHA1 SHA512 SSDEEP TLSH
-
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.
-
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.
-
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.
-
Drops file in System32 directory
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Account Manipulation
1Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Create Account
1Local Account
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Account Manipulation
1Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Scheduled Task/Job
1Scheduled Task
1