Overview

overview

10

Static

static

3

e5dce3d5e3...18.exe

windows7-x64

10

e5dce3d5e3...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    e5dce3d5e39a5e790a407c3e0632b887_JaffaCakes118
  • Size 266KB
  • Sample240917-bl6cjaygml
  • SHA256 61a9ddcb15f0845bd89f2c4ca454e7d8f0a0b7a478ec2d980ae4fa333c1b4dd2
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
jigsawpersistenceransomwarespywarestealer

Malware Config

Targets

    • Target
      e5dce3d5e39a5e790a407c3e0632b887_JaffaCakes118
    • Size 266KB
    • SHA256 61a9ddcb15f0845bd89f2c4ca454e7d8f0a0b7a478ec2d980ae4fa333c1b4dd2
    • 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

    • Renames multiple (2025) 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 v15

Tasks