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General

  • Target

    8d0f1d92b4fff838cf346d892d79c35e4be114c2f9f3ef15e23b34617c61515e

  • Size

    342KB

  • Sample

    230723-jjeqsseb61

  • MD5

    28cfa829e7c09385aac5eae9439fb961

  • SHA1

    71b0a00a387f50ab4727b6eb52ef52945837ebb0

  • SHA256

    8d0f1d92b4fff838cf346d892d79c35e4be114c2f9f3ef15e23b34617c61515e

  • SHA512

    51201855b63f1130bb08ac48af17a1c0281e86c707a78b14a30087404acb863a872f985d925a80bcec965316c18e493ad01306d5840428ff0b554fe9a8b836d8

  • SSDEEP

    3072:iobbyor9dM9xCHGHQqEINH+pXzLjXR9DapqgPqtC26QjcwP0gjOkAZiLMRr+Zqql:vr9dMO/qEho/Pq/6QtI7szwup1jL0u

Malware Config

Extracted

Path

C:\Users\Admin\Documents\read_it.txt

Family

chaos

Ransom Note
----> Chaos is multi language ransomware. Translate your note to any language <---- All of your files have been encrypted Your computer was infected with a ransomware virus. Your files have been encrypted and you won't be able to decrypt them without our help.What can I do to get my files back?You can buy our special decryption software, this software will allow you to recover all of your data and remove the ransomware from your computer.The price for the software is 0.05 BTC. Payment can be made in Bitcoin only. How do I pay, where do I get Bitcoin? Purchasing Bitcoin varies from country to country, you are best advised to do a quick google search yourself to find out how to buy Bitcoin. once payment is recieved and confirmed, the decrypting software will be sent to you through your mail or best way known to us. NOTE: YOU HAVE LIMITED TIME AND NO THIRD PARTY SHOULD BE INVOLVED ELSE WANTS TO LOOSE YOUR FILE Payment informationAmount: 0.05 BTC WALLET Address (BEP 20 NETWORK): 0x064329f556642e7df337cab8ae6116eac8723175

Targets

    • Target

      8d0f1d92b4fff838cf346d892d79c35e4be114c2f9f3ef15e23b34617c61515e

    • Size

      342KB

    • MD5

      28cfa829e7c09385aac5eae9439fb961

    • SHA1

      71b0a00a387f50ab4727b6eb52ef52945837ebb0

    • SHA256

      8d0f1d92b4fff838cf346d892d79c35e4be114c2f9f3ef15e23b34617c61515e

    • SHA512

      51201855b63f1130bb08ac48af17a1c0281e86c707a78b14a30087404acb863a872f985d925a80bcec965316c18e493ad01306d5840428ff0b554fe9a8b836d8

    • SSDEEP

      3072:iobbyor9dM9xCHGHQqEINH+pXzLjXR9DapqgPqtC26QjcwP0gjOkAZiLMRr+Zqql:vr9dMO/qEho/Pq/6QtI7szwup1jL0u

    • Chaos

      Ransomware family first seen in June 2021.

    • Chaos Ransomware

    • 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.

    • 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.

    • Drops desktop.ini file(s)

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v15

Tasks