General

  • Target

    2024-08-07_35451ac684f221eaa4441ca2b05e4dfc_wannacry

  • Size

    970KB

  • Sample

    240807-aqtzmavfqr

  • MD5

    35451ac684f221eaa4441ca2b05e4dfc

  • SHA1

    c47e4c4c5da786ba1b99d6d0bcd1f51f7d8e448d

  • SHA256

    a39511c8ef83711e33489a26a07fc5f25faf42d6f0d84537a49a834b67efa15c

  • SHA512

    92b3edb20c496dd29db41e6fc2b65a06530c49c3c0a63e312b4c23923c2ba6b4196df3fb9fbfda16948fdea302ae0c8cc1d5c8cc3ae3941337c99808c053884d

  • SSDEEP

    12288:Ro4d207I28YV+IZ5ZMTcNpLIsriuWVL+JUBK9jLF57RboGnDhCqYVNX3Sf8EYJKp:Re2pKu4e/FKG8tVdLX0uD0

Malware Config

Extracted

Path

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

Ransom Note
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 Decryption software is $100. 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 - https://www.coinmama.com Bitpanda - https://www.bitpanda.com MoonPay - https://www.moonpay.com/buy/btc Payment Amount: $100 Payment Mode: BTC / Bitcoin Bitcoin Address: bc1q74lp20gxwuddlrqltxrr7994umdesrdyv2e0z3
URLs

https://www.coinmama.com

https://www.bitpanda.com

https://www.moonpay.com/buy/btc

Targets

    • Target

      2024-08-07_35451ac684f221eaa4441ca2b05e4dfc_wannacry

    • Size

      970KB

    • MD5

      35451ac684f221eaa4441ca2b05e4dfc

    • SHA1

      c47e4c4c5da786ba1b99d6d0bcd1f51f7d8e448d

    • SHA256

      a39511c8ef83711e33489a26a07fc5f25faf42d6f0d84537a49a834b67efa15c

    • SHA512

      92b3edb20c496dd29db41e6fc2b65a06530c49c3c0a63e312b4c23923c2ba6b4196df3fb9fbfda16948fdea302ae0c8cc1d5c8cc3ae3941337c99808c053884d

    • SSDEEP

      12288:Ro4d207I28YV+IZ5ZMTcNpLIsriuWVL+JUBK9jLF57RboGnDhCqYVNX3Sf8EYJKp:Re2pKu4e/FKG8tVdLX0uD0

    • 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

    • Renames multiple (233) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • 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