Overview

overview

10

Static

static

5

Jigsaw.exe

windows10-ltsc_2021-x64

10

Resubmissions

13/02/2026, 04:10

260213-ervd1aaz9f10

13/02/2026, 01:39

260213-b25qyafx5a10

13/02/2026, 00:59

260213-bb2llae17c10

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General

  • Target
    Jigsaw.exe
  • Size 283KB
  • Sample260213-bb2llae17c
  • SHA256 3ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
jigsawpersistenceransomware

Malware Config

Targets

    • Target
      Jigsaw.exe
    • Size 283KB
    • SHA256 3ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    jigsawpersistenceransomware

    • Jigsaw Ransomware

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

      ransomwarejigsaw

    • Jigsaw family

      jigsaw

    • Renames multiple (59) files with added filename extension

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

      ransomware

    • Checks computer location settings

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

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • ConfuserEx .NET packer

      Detects ConfuserEx .NET packer.

    behavioral1

MITRE ATT&CK Enterprise v16

Tasks