Extracted

Extracted

• • Target

    http://github.com

  Score

  10^/10

  jigsawbootkitdefense_evasiondiscoveryevasionexecutionimpactpersistenceprivilege_escalationransomwarespywarestealertrojan

  • Jigsaw Ransomware

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

    ransomwarejigsaw

  • Jigsaw family

    jigsaw

  • Modifies WinLogon for persistence

    persistence

  • Modifies Windows Defender DisableAntiSpyware settings

    evasiontrojan

  • Modifies Windows Defender Real-time Protection settings

    defense_evasiontrojan

  • Suspicious use of NtCreateProcessExOtherParentProcess

  • UAC bypass

    defense_evasiontrojan

  • Deletes shadow copies

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution

  • Renames multiple (3879) files with added filename extension

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

    ransomware

  • Blocklisted process makes network request

  • Command and Scripting Interpreter: PowerShell

    Run Powershell and hide display window.

    execution

  • Disables RegEdit via registry modification

    defense_evasion

  • Disables Task Manager via registry modification

    defense_evasion

  • Disables use of System Restore points

    defense_evasion

  • Event Triggered Execution: Image File Execution Options Injection

    persistence

  • Modifies Windows Firewall

    defense_evasion

  • Checks computer location settings

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

  • Drops startup file

  • Executes dropped EXE

  • Impair Defenses: Safe Mode Boot

    defense_evasion

  • Loads dropped DLL

  • 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

  • Drops desktop.ini file(s)

  • Legitimate hosting services abused for malware hosting/C2

  • Writes to the Master Boot Record (MBR)

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence
  behavioral1