Extracted

• • Target
    xoilactv1.cyou_chrome.exe
  • Size 57KB
  • SHA256 fc2007c3dc92cded9dbbc4bbe9ff06a50079038aaf1d62ff71d465939b793a7d
  • MD5 ca448c1aed91d000947409cbc0b0372d
  • SHA1 d7c37ec896a41d0f2dab90a7691dbc11341fec41
  • SHA512 a7b2124c89e651467b921d389e6680502558fc0296ea397bc255a2470c6c63004783584700353d7614b4b38a79edb8f6b682bda455d60d025de5b2df9614cdb3
  • SSDEEP 768:5Arq863wyfu88sqKig6TFUd8bkdvYMf4nN1XXGb5fAdOTSKFum1I:5ikfzzwTFZbUwM4nLXGb5feOTSuuz
  • TLSH
    T1E243F88473FD4211F1BF5EBA8DB195514B32B4A7AD32C79E06D4068E09B2B408DA8F77
  • 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

  • Enumerates connected drives

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

  • 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