General

  • Target
    a3f884dfa336e6524e4870154c3ab8217e5f34fa6baae5281e3d36b179b8a83d.bin
  • Size 178KB
  • Sample251121-mgr5wseq5s
  • SHA256 a3f884dfa336e6524e4870154c3ab8217e5f34fa6baae5281e3d36b179b8a83d
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Path
  • C:\Users\Admin\3D Objects\README_NOW_ZAROK.txt

  • zarok

Ransom Note
  • Greeting, We are Zarok Ransomware group. We have infected your computer... How to recover your files and your privacy without any leaks or problems? 1. Buy Bitcoin How to buy Bitcoin? Go on 'Exodus wallet' or others wallet. Buy 200 EUR in BTC (Bitcoin) 2. Pay How to pay? First thing you go on your wallet. Go on pay or something like that and select the adress to receive. Our adress: bc1qe4ccx4tdm0acl7809et4u5jk8z78x7gwj3zmx5 Just pay and sent us on Telegram: @stfuhq the proof. 3. After the payment + verification You will receive a ransomware decrypter. We delete all your data and others shit without any problems. You will recover all of your stuff just wait for it. 4. If u don't pay? First all of your data are leaked on the web (ALL). You will lost every fucking files and folders do you have. - Zarok Ransomware.

Targets

    • Target
      a3f884dfa336e6524e4870154c3ab8217e5f34fa6baae5281e3d36b179b8a83d.bin
    • Size 178KB
    • SHA256 a3f884dfa336e6524e4870154c3ab8217e5f34fa6baae5281e3d36b179b8a83d
    • MD5 SHA1 SHA512 SSDEEP
    • Zarok Ransomware

      Zarok is a ransomware, appending a random four-character extension.

    • Zarok family

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Modifies boot configuration data using bcdedit

    • Deletes backup catalog

      Uses wbadmin.exe to inhibit system recovery.

    • Disables Task Manager via registry modification

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • Drops desktop.ini file(s)

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v16

Tasks