Extracted

• • Target
    koleg.io_chrome.exe
  • Size 48KB
  • SHA256 13f7f70a9979d0c344de7ae75baa00aeada1dbaa9b9afe311ae435c19547f782
  • MD5 fa1420d1f448fcbcd59c3d383795d8ab
  • SHA1 c06d1c3f51dfd55446c4f57f602755b920b2261f
  • SHA512 048658dbe90b332d577c827d5011dbeeab14c68994fc51341d9a5e74908d2dce4c3933ea319140d0c88ccfeec33160b1875c3ac32e0de84c0f2039fca93ced18
  • SSDEEP 768:rhPFhLTWeTOG+FFefF7SpeGrqX4N//o4bC1XXGblfA0AKFc2:FPnT2oAAGzNI4bEXGblf9Auc2
  • TLSH
    T13823F70437F98511F5BF4ABA8DB196019B31B8979C32D78E07D5058E1AB3740CDA8B7B
  • 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