Extracted

• • Target
    jaak.io_chrome.exe
  • Size 57KB
  • SHA256 2ac5430430192f7238a7bba73f51411dc00d28b1d9706e135a242520c11d77da
  • MD5 62aa8e16c0a578d64efe469144b9baff
  • SHA1 43627ff2cb3054ae4f452e3c9655a06593110f8e
  • SHA512 ffecb81d85f3715006eb52eee63b67a4c11ecfaa4a4eb54808ae5064ba9d07403b0af1b62306caf10a422c0f8a30b3bd73c39bc68e8e5379d9c1b1afc80a09ef
  • SSDEEP 1536:Z/92eXymoepBq2G9rweV4xLXGb5feOT7uuC:fjXy91Rse4xLXGFfeOT7ul
  • TLSH
    T18D43D74473FD8211F2BF5EBA4DB191514732B4A7AD22D78E0AD406CE19B2B408DA8F77
  • 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