Extracted

• • Target
    chiranjeevhospital.in_nano.exe
  • Size 64KB
  • SHA256 93193dea87bbe2278b159c0cf19e0273cef68f8c872123bd83b80df9c1e43520
  • MD5 718dcd4d6fe164412251f8dfa46ea4d0
  • SHA1 23aba1c8bec7cf10b94bddbee17bc0c7340cf31b
  • SHA512 a8d502db92062e3c9ecee0a39ed363c1c49a02d5cb2fd9bdff5a49c454d4c26e44c92ad9842d498204182ca6c06d46dc6e10b08a6c160b7de5af1ba536209e3b
  • SSDEEP 1536:iaaVualglBjHPthBw/9yOpuOA2WCc3Vnw/uagn4:RiloBjHPjg9yOp7A2WCc3Vw/ur4
  • TLSH
    T19053E78477F98620F5FF5AFE4D3196504B31F8639C22D78E0A94448E19737818BE8B2B
  • MD5 SHA1 SHA512 SSDEEP TLSH

  Score

  10^/10

  defense_evasiondiscoveryevasionexecutionnanocoreimpactkeyloggerpersistenceprivilege_escalationransomwarespywarestealertrojan

  • Contains code to disable Windows Defender

    A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

  • Family: NanoCore

    NanoCore is a remote access tool (RAT) with a variety of capabilities.

    keyloggertrojanstealerspywarenanocore

  • Modifies Windows Defender DisableAntiSpyware settings

    evasiontrojan

  • Modifies security service

    defense_evasion

  • Deletes shadow copies

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution

  • Grants admin privileges

    Uses net.exe to modify the user's privileges.

  • Command and Scripting Interpreter: PowerShell

    Run Powershell and hide display window.

    execution

  • Disables RegEdit via registry modification

    defense_evasion

  • Disables Task Manager via registry modification

    defense_evasion

  • Drops file in Drivers directory

  • Event Triggered Execution: Image File Execution Options Injection

    persistence

  • Modifies Windows Firewall

    defense_evasion

  • 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.

    persistenceprivilege_escalation

  • Disables service(s)

    defense_evasionexecution

  • Reads user/profile data of web browsers

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer

  • Stops running service(s)

    defense_evasionexecution

  • Adds Run key to start application

    persistence

  • Enumerates connected drives

    Attempts to read the root path of hard drives other than the default C: drive.

  • Creates a new local user account

    Uses net.exe to create a new local user account, often for persistence or a backdoor account.

    persistence

  • Discovers running processes

    Running process information can be used to identify security tools or plan follow-on actions.

    discovery

  • Drops file in System32 directory

  • Executes a VBScript file via the Windows Script Host.

    execution

  • Sets desktop wallpaper using registry

    ransomware

  • Suspicious use of NtSetInformationThreadHideFromDebugger

    defense_evasion
  behavioral1behavioral2