Overview

overview

10

Static

static

5

jigsaw.exe

windows10-2004-x64

10

Resubmissions

13/04/2026, 00:56

260413-bafbzaby2y10

13/04/2026, 00:37

260413-aygz2abx5y10

12/04/2026, 18:01

260412-wlxevab16p10

Sharing

Copy URL Twitter E-mail

General

  • Target
    jigsaw
  • Size 283KB
  • Sample260413-bafbzaby2y
  • SHA256 3ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
jigsawpersistenceransomwarespywarestealer

Malware Config

Targets

    • Target
      jigsaw
    • Size 283KB
    • SHA256 3ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7
    • MD5 SHA1 SHA512 SSDEEP TLSH
    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

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Renames multiple (3952) 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

    • ConfuserEx .NET packer

      Detects ConfuserEx .NET packer.

    behavioral1

MITRE ATT&CK Enterprise v16

Tasks