Extracted

• • Target
    bestla.io_chrome.exe
  • Size 48KB
  • SHA256 3fceefd14ef464681dc56cc2b5c4172ecefcd91655e73d2fbc4209a09d36bdd3
  • MD5 a412eb977b21f6fd07eddcfb089beea6
  • SHA1 fd482b3ceb6eae1356b31127cfe8e2ea869fd6b4
  • SHA512 58c7dfcbb680aa97a22c26d07861e2939a84b6ded6961bef41d971b210573329349fe64e9707eac26494e3b8bc0ca9488dc515c749b242431383b461aaa39852
  • SSDEEP 768:Rhl/xzDeO2wBHzS8P1O4Q//w4wC1XXGblfA0WKFcv:fldDeOXQQ4wEXGblf9Wucv
  • TLSH
    T11023F60477F98511F1BF4ABA8DB186019B31B8979C22D78E06D5158E1AB3B40DEE8F73
  • 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

  • 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

  • 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
  behavioral1behavioral2