Resubmissions

31-03-2024 14:31

240331-rvsqssde3x 10

20-03-2024 06:31

240320-g98qfsbc71 10

General

  • Target

    2024-03-20_f637065576c46fdf526f6156a06a8102_wannacry

  • Size

    294KB

  • Sample

    240320-g98qfsbc71

  • MD5

    f637065576c46fdf526f6156a06a8102

  • SHA1

    208f7d972d29f58c6c18a58242d7764d6969c838

  • SHA256

    b08d4f13f88946dbc97537569f4516ddf832c36d4636501abbad24f505904222

  • SHA512

    9a194f4661dd716770c45bcb90052b1cc8aa90b3593bae4ddad75193a04c397a7f8ca7d03559dbba9167b90fdf31a9ce6a8d6697773809ca444e36a546eb078a

  • SSDEEP

    6144:Rr9W1lNCM2n08o/2mWwEzg+0c+BMCfAXtMcOpXaLbik+:olNJ2n08o/2XwE0+fuMCfAdMcOpXubib

Malware Config

Extracted

Path

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

Ransom Note
Hello :) 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 $300. Payment can be made in Monero only. How do I pay, where do I get Monero? Purchasing Monero 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: Coinbase - https://www.coinbase.com/how-to-buy/monero Payment informationAmount: $300 in XMR Monero Address: 43fpjf8X9jDZjmA3wwdd695ZwZCmFyTtWaPGkfwWv66UhVX2b24wXy7QCEJYVVFP98Wb6oRcdUgXjE1tk1s669LmQ6RzXGq (IF YOU TRY TO DELETE THIS RANSOMWARE OR USE AND THIRD PART TOOLS TO TRY AND FIX IT, ALL OF YOUR FILES WILL BE GONE FOREVER!) (YOU HAVE 24 HOURS TO SEND THE FUNDS! OR ELSE ALL OF YOUR PERSONAL FILES/DATA ON THIS COMPUTER WILL BE DELETED FROM YOUR SYSTEM AND SOLD ON THE DARK WEB)

Targets

    • Target

      2024-03-20_f637065576c46fdf526f6156a06a8102_wannacry

    • Size

      294KB

    • MD5

      f637065576c46fdf526f6156a06a8102

    • SHA1

      208f7d972d29f58c6c18a58242d7764d6969c838

    • SHA256

      b08d4f13f88946dbc97537569f4516ddf832c36d4636501abbad24f505904222

    • SHA512

      9a194f4661dd716770c45bcb90052b1cc8aa90b3593bae4ddad75193a04c397a7f8ca7d03559dbba9167b90fdf31a9ce6a8d6697773809ca444e36a546eb078a

    • SSDEEP

      6144:Rr9W1lNCM2n08o/2mWwEzg+0c+BMCfAXtMcOpXaLbik+:olNJ2n08o/2XwE0+fuMCfAdMcOpXubib

    • 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