Extracted

• • Target
    cdn.vresorts.io_nano.exe
  • Size 64KB
  • SHA256 bd363c12ff88d29b359d930600ea167d1bb350553ec043632afd744aa69e89ca
  • MD5 4531d855a895ef0cbc2d8b5acc01a4d9
  • SHA1 4a9cd6aeca5e62ccacfdff3f0b10f7d110953f1f
  • SHA512 f64174a2bc5160ab960be8cb7bc33b24ee660a41902a637a8d6aaac2c9a59086ec3ee7218a489796aac2686fc24c81c7dc626ec618e44dd9233ee53a38b2659e
  • SSDEEP 1536:46MiLans59YAzR6Pnj4XckE/9vOpuvA2WCc3Vnwruagnm:DMdg9YAzR6Pnkde9vOpSA2WCc3Vwrurm
  • TLSH
    T18A53D88477E98620F5FF4AFE5D3195114B31F8639C23D78E0A84449E1AB37858EE8B27
  • 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

  • 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

  behavioral1behavioral2