Overview

overview

10

Static

static

10

2026-06-27...ry.exe

windows10-2004-x64

10

2026-06-27...ry.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    2026-06-27_ff4944ccebee722d53476b8440d82426_elex_wannacry
  • Size 37KB
  • Sample260629-a89g2aay9r
  • SHA256 3b036e95ff8d390b9fef6d4cf1f11a7b3c3af0f65a86a6750e576fa1797a38ea
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
jukoadwarediscoverypersistenceransomwarespywaretrojan

Malware Config

Targets

    • Target
      2026-06-27_ff4944ccebee722d53476b8440d82426_elex_wannacry
    • Size 37KB
    • SHA256 3b036e95ff8d390b9fef6d4cf1f11a7b3c3af0f65a86a6750e576fa1797a38ea
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    discoveryjukopersistencetrojanadwareransomwarespyware

    • Detects Juko

    • Family: Juko

      Juko is a trojan written in C++.

      trojanjuko

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

      persistence

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • 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.

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks