Overview

overview

10

Static

static

1

URLScan

urlscan

https://github.com/

windows10-2004-x64

10

Sharing

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General

  • Target

    https://github.com/

  • Sample

    240222-kjcf4seg3s

Score
10/10
jigsawdiscoverypersistenceransomwarespywarestealer

Malware Config

Targets

    • Target

      https://github.com/

    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 (3768) files with added filename extension

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

      ransomware

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Adds Run key to start application

      persistence

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Drops file in System32 directory

    behavioral1

MITRE ATT&CK Enterprise v15

Tasks