General

  • Target

    Update64.exe

  • Size

    20KB

  • Sample

    230904-c6wt9sdh42

  • MD5

    b2ca351f222515cd4f4e60909f313ab9

  • SHA1

    a9bb6cb4c7642ce8212cc1bf058b44288c52fe1f

  • SHA256

    0af587b4584f2889483b3ac523c6c0e27a909454fb885a62edaf8479cfc1452e

  • SHA512

    2bc71ab3a8bf851830ebe78ada5f82efa17e1dbd5899c823d7152ec90963d62276181c97f9ea9eed0297cfb34317b8ba7251d450fdd492d84496bb7e7b944d9a

  • SSDEEP

    192:HiZq1JajRFTN1LaL7kWto95Mbdf8cSqXa63eTnxvs91ihmhtFSZHOvQoKAOff8b4:H40JORJN1q8edfsqjOVs913tgZ0bYWx

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Roaming\read_it.txt

Family

chaos

Ransom Note
----> Chaos is multi language ransomware. Translate your note to any language <---- 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 $1,500. 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 - hxxps://www.coinmama.com Bitpanda - hxxps://www.bitpanda.com Payment informationAmount: 0.1473766 BTC Bitcoin Address: bc1qlnzcep4l4ac0ttdrq7awxev9ehu465f2vpt9x0

Targets

    • Target

      Update64.exe

    • Size

      20KB

    • MD5

      b2ca351f222515cd4f4e60909f313ab9

    • SHA1

      a9bb6cb4c7642ce8212cc1bf058b44288c52fe1f

    • SHA256

      0af587b4584f2889483b3ac523c6c0e27a909454fb885a62edaf8479cfc1452e

    • SHA512

      2bc71ab3a8bf851830ebe78ada5f82efa17e1dbd5899c823d7152ec90963d62276181c97f9ea9eed0297cfb34317b8ba7251d450fdd492d84496bb7e7b944d9a

    • SSDEEP

      192:HiZq1JajRFTN1LaL7kWto95Mbdf8cSqXa63eTnxvs91ihmhtFSZHOvQoKAOff8b4:H40JORJN1q8edfsqjOVs913tgZ0bYWx

    • Chaos

      Ransomware family first seen in June 2021.

    • Chaos Ransomware

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

MITRE ATT&CK Enterprise v15

Tasks