General

  • Target

    b103fc649787eb1f6121df8174d0f16aaac736fb53f5f078d312871189285956.exe

  • Size

    61KB

  • Sample

    231012-t2z5kadg95

  • MD5

    9eb958c38bd3d39c55b009f9a200f42f

  • SHA1

    b5ab794dd5821d08f7ecd860ba7975a6644dd46d

  • SHA256

    b103fc649787eb1f6121df8174d0f16aaac736fb53f5f078d312871189285956

  • SHA512

    f7146fa64c8fe89eb4afb29af0b85e1693a03aeb38ae2948b8c047b4f1dd84817954563b6bd5ead4c4461242e1275c47ef4b41cf33fe9e3899dfe3952bc46954

  • SSDEEP

    1536:Lo2RzBFN0Yr9dEmZ6sIF8ahn62Zq8qWwESmNHEgLufKOUmoEE4:LoMDN0Yr9dEm+yBIUEbNHEgLuiOUmoEl

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 software is £50 GBP. Payment can be made in Bitcoin, PayPal. How do I pay, where do I get Bitcoin? PayPal: https://paypal.me/GoldenWolf42 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: 0.0014 BTC Bitcoin Address: bc1qu6tharwawwny28z9fj6nrxg5cqftaep9ap6z2v PayPal: https://paypal.me/GoldenWolf42 (£50, Family And Friends)
URLs

https://paypal.me/GoldenWolf42

Targets

    • Target

      b103fc649787eb1f6121df8174d0f16aaac736fb53f5f078d312871189285956.exe

    • Size

      61KB

    • MD5

      9eb958c38bd3d39c55b009f9a200f42f

    • SHA1

      b5ab794dd5821d08f7ecd860ba7975a6644dd46d

    • SHA256

      b103fc649787eb1f6121df8174d0f16aaac736fb53f5f078d312871189285956

    • SHA512

      f7146fa64c8fe89eb4afb29af0b85e1693a03aeb38ae2948b8c047b4f1dd84817954563b6bd5ead4c4461242e1275c47ef4b41cf33fe9e3899dfe3952bc46954

    • SSDEEP

      1536:Lo2RzBFN0Yr9dEmZ6sIF8ahn62Zq8qWwESmNHEgLufKOUmoEE4:LoMDN0Yr9dEm+yBIUEbNHEgLuiOUmoEl

    • Chaos

      Ransomware family first seen in June 2021.

    • Chaos Ransomware

    • Renames multiple (173) files with added filename extension

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

    • Renames multiple (208) files with added filename extension

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

    • 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