Extracted

• • Target
    workv.io_chrome.exe
  • Size 50KB
  • SHA256 13ae433a5c941de651ea86de7d9bc292c78964c9979771e4ca854828044907c9
  • MD5 1ab44d01a00b9bc68bd0c3cd59ae9eba
  • SHA1 7f5f36af4c91e874826da1a1927bc936d1b8c23e
  • SHA512 222730b6cbc130d584dec4a0eee8868e9126170242526923cb0f0c543f5bebc984c6a3997645e060213fade5a474d4a4c1a7453d40699d42749013c87b1dfa90
  • SSDEEP 768:Cd/5LLAlctwpOrW/Oas4oKYxo6Sx2S8/0/RgL4UC1XXGblfppuKFc5xY:+/+Fpz9n1xi0GL4UEXGblfLuucM
  • TLSH
    T14733E50477F98511F5BF4ABA8DB186029B31B8979C22D78E07D5058E1AB3740CDA8F7B
  • 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.

  • Disables service(s)

    defense_evasionexecution

  • Drops startup file

  • 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

  • Drops file in System32 directory

  • Enumerates processes with tasklist

    discovery

  • Executes a VBScript file via the Windows Script Host.

    execution

  • Sets desktop wallpaper using registry

    ransomware
  behavioral1behavioral2