Overview

overview

10

Static

static

3

jigsaw.exe

windows10-2004-x64

10

jigsaw.exe

windows11-21h2-x64

10

Resubmissions

16/06/2026, 08:27

260616-kcj8daby5z10

16/06/2026, 08:23

260616-kaceraby4t10

11/05/2026, 16:26

260511-tx2gtshz8n10

31/05/2025, 16:36

250531-t4g2rsxmv710

31/05/2025, 16:29

250531-ty711axl13

31/05/2025, 16:25

250531-txecastzgs10

31/05/2025, 16:20

250531-ts986stzes10

31/05/2025, 08:31

250531-kexw9azzgz10

Sharing

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General

  • Target
    jigsaw
  • Size 283KB
  • Sample250531-txecastzgs
  • SHA256 3ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
jigsawpersistenceransomwarespywarestealer

Malware Config

Targets

    • Target
      jigsaw
    • Size 283KB
    • SHA256 3ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    jigsawpersistenceransomwarespywarestealer

    • 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 (3803) 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

    • 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
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks