General

  • Target

    2024-03-19_21f267149a95a5fdc832508c9d1387c9_wannacry

  • Size

    849KB

  • Sample

    240319-mgevkahe86

  • MD5

    21f267149a95a5fdc832508c9d1387c9

  • SHA1

    a9ce229a24d5626c219e69c0e1797222b7ade3d6

  • SHA256

    900300a2eccd99aba0cf9623bc5e1d8f79eedae2afdced4a3726df46941183e6

  • SHA512

    40b5e9ca112e682f847328075f8e1b20cb4bdb87781ab58dac8cc72867dacb202159c0e860aef221049b05ca55eff122586f51f39b6666ad9d995943b550d0dd

  • SSDEEP

    12288:o8zQy7n24Y/aiVU3jl++0dVQ9YpFB8wDZTlyoWiaDm87RbYNwlwl7elOOPYml35t:N0++Tt80O3/2BPZ

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\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 $1,500. 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. Many of our customers have reported these sites to be fast and reliable: Coinmama - hxxps://www.coinmama.com Bitpanda - hxxps://www.bitpanda.com Payment informationAmount: $1,500 Contact: www.t.me/NSLDNX0

Targets

    • Target

      2024-03-19_21f267149a95a5fdc832508c9d1387c9_wannacry

    • Size

      849KB

    • MD5

      21f267149a95a5fdc832508c9d1387c9

    • SHA1

      a9ce229a24d5626c219e69c0e1797222b7ade3d6

    • SHA256

      900300a2eccd99aba0cf9623bc5e1d8f79eedae2afdced4a3726df46941183e6

    • SHA512

      40b5e9ca112e682f847328075f8e1b20cb4bdb87781ab58dac8cc72867dacb202159c0e860aef221049b05ca55eff122586f51f39b6666ad9d995943b550d0dd

    • SSDEEP

      12288:o8zQy7n24Y/aiVU3jl++0dVQ9YpFB8wDZTlyoWiaDm87RbYNwlwl7elOOPYml35t:N0++Tt80O3/2BPZ

    • Chaos

      Ransomware family first seen in June 2021.

    • Chaos Ransomware

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Detects command variations typically used by ransomware

    • 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