Overview

overview

10

Static

static

1

URLScan

urlscan

https://github.com/L...

windows7-x64

10

Sharing

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General

  • Target
    https://github.com/LJ9859/Malware-Database/raw/refs/heads/main/Ransomware/Jigsaw.zip
  • Sample240919-1jfrjasarc
Score
10/10
jigsawdiscoverypersistenceransomwarespywarestealer

Malware Config

Targets

    • Target
      https://github.com/LJ9859/Malware-Database/raw/refs/heads/main/Ransomware/Jigsaw.zip
    Score
    10/10
    jigsawdiscoverypersistenceransomwarespywarestealer

    • Jigsaw Ransomware

      Ransomware family first created in 2016. Named based on wallpaper set after infection in the early versions.

      ransomwarejigsaw

    • Renames multiple (2025) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Adds Run key to start application

      persistence

    • Legitimate hosting services abused for malware hosting/C2

    behavioral1

MITRE ATT&CK Enterprise v15

Tasks