General

  • Target

    2025-06-05_f54ad0af3a7ac313eba92cff988935f0_elex_wannacry

  • Size

    131KB

  • Sample

    250605-ma85tsvzhz

  • MD5

    f54ad0af3a7ac313eba92cff988935f0

  • SHA1

    bf27c55fa50e18570a15236f576052228d902471

  • SHA256

    7df745812fe39642d8851c953638f71d11a44c11a607712300d603c9ea4a5bc9

  • SHA512

    53c8bfb8bf11cd5b4b4b264fca8b038d1e136e23585dbe1389008e3513453c8ae6b2b7ba62206ae9302190934172f6b9a2d4476a18cd393ea5ec9b46f34cf56c

  • SSDEEP

    3072:1o9U+r9oYXxr1mdGvCjqitjfANQYJmxFQKJBj9fpiDMNhVDHJJv:Ar9oyxBmdG1iJ/YJmMChfpiMDpJ

Malware Config

Extracted

Path

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

Ransom Note
TIME IS TICKING. YOU NEED TO ACT NOW TO AVOID PERMANENT DATA LOSS AND CUSTOMER DATA LEAKS. 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. You need to take note of the following information and act fast or your customers data will be harvested and spread on the dark web. You now have just 2 hours to make payment in Bitcoin (BTC) to the address below or your files will be permanently lost and your customer data will be harvested. 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 0.5 BTC. Payment can be made ONLY in Bitcoin. 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: Coinbase - https://www.coinbase.com Kraken - https://www.kraken.com Payment details: Payment Amount: 0.5 BTC Bitcoin Address: bc1qg04tjry0j83fglatte77we8rprsrvnywyn88f2

Targets

    • Target

      2025-06-05_f54ad0af3a7ac313eba92cff988935f0_elex_wannacry

    • Size

      131KB

    • MD5

      f54ad0af3a7ac313eba92cff988935f0

    • SHA1

      bf27c55fa50e18570a15236f576052228d902471

    • SHA256

      7df745812fe39642d8851c953638f71d11a44c11a607712300d603c9ea4a5bc9

    • SHA512

      53c8bfb8bf11cd5b4b4b264fca8b038d1e136e23585dbe1389008e3513453c8ae6b2b7ba62206ae9302190934172f6b9a2d4476a18cd393ea5ec9b46f34cf56c

    • SSDEEP

      3072:1o9U+r9oYXxr1mdGvCjqitjfANQYJmxFQKJBj9fpiDMNhVDHJJv:Ar9oyxBmdG1iJ/YJmMChfpiMDpJ

    • Chaos

      Ransomware family first seen in June 2021.

    • Chaos Ransomware

    • Chaos 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.

    • 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 v16

Tasks