General

  • Target

    svchost.exe

  • Size

    61KB

  • Sample

    210902-y2pfaaegbj

  • MD5

    9eb958c38bd3d39c55b009f9a200f42f

  • SHA1

    b5ab794dd5821d08f7ecd860ba7975a6644dd46d

  • SHA256

    b103fc649787eb1f6121df8174d0f16aaac736fb53f5f078d312871189285956

  • SHA512

    f7146fa64c8fe89eb4afb29af0b85e1693a03aeb38ae2948b8c047b4f1dd84817954563b6bd5ead4c4461242e1275c47ef4b41cf33fe9e3899dfe3952bc46954

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\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

      svchost.exe

    • Size

      61KB

    • MD5

      9eb958c38bd3d39c55b009f9a200f42f

    • SHA1

      b5ab794dd5821d08f7ecd860ba7975a6644dd46d

    • SHA256

      b103fc649787eb1f6121df8174d0f16aaac736fb53f5f078d312871189285956

    • SHA512

      f7146fa64c8fe89eb4afb29af0b85e1693a03aeb38ae2948b8c047b4f1dd84817954563b6bd5ead4c4461242e1275c47ef4b41cf33fe9e3899dfe3952bc46954

    • Chaos

      Ransomware family first seen in June 2021.

    • Chaos Ransomware

    • Executes dropped EXE

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • Drops startup file

    • 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 Matrix ATT&CK v6

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Impact

Defacement

1
T1491

Tasks