Extracted

• • Target
    elmcsspatterns.io_nano.exe
  • Size 64KB
  • SHA256 42776af669adaed35053c00ba7a8466a7aa9bd6503c586ac5ed1c251b3acf31c
  • MD5 aa5fd255c3f1f0c1b79a18a465873081
  • SHA1 3dd450339a2973492511e3abfd7df970e7f68468
  • SHA512 6dc252b5dc006f791ccc137a3c4590bc77d4bca2b0cc22b4bb7bc0106152af3bda3c9d44bdfe98663a4a594c646428747af6a049758f05b5a19bba6bab3d950a
  • SSDEEP 1536:aa6TGhsYNpm8YLPOrTAX2/9bOpu4A2WCc3VnwUuagnb:J0Ipm8YLPgF9bOpdA2WCc3VwUurb
  • TLSH
    T1F453E84477E98621E5FF4AFE5D3191114B31F8679C23D78E0A85049D1AB2784CEECB27
  • 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