General

  • Target

    comservice32.exe_.exe

  • Size

    92KB

  • Sample

    210826-xryy1hfxws

  • MD5

    b9750a01692e2c7bfecb9ca076d9b119

  • SHA1

    656357256b6e0b8e9b0af86b00076968a9fb72a1

  • SHA256

    cd4195d92768aeb441215d758781984fe69317487fff6fcc76c680a93e1c2ec6

  • SHA512

    6a6dfe7a676fe6cbe2bf2c7b7b0c85fe2632cd7c3ed4f8d2fcbb36ed30be6e62c9cea13e29f74a21e2bedeff65ea51cb129f527fc7e85ad4b2b7a1b72e9971a1

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta

Ransom Note
All your files have been encrypted! All your files have been encrypted due to a security problem with your PC. If you want to restore them, write us to the e-mail [email protected] Write this ID in the title of your message 04C6E956 In case of no answer in 24 hours write us to theese e-mails: [email protected] You have to pay for decryption in Bitcoins. The price depends on how fast you write to us. After payment we will send you the decryption tool that will decrypt all your files. Free decryption as guarantee Before paying you can send us up to 1 file for free decryption. The total size of files must be less than 1Mb (non archived), and files should not contain valuable information. (databases,backups, large excel sheets, etc.) How to obtain Bitcoins The easiest way to buy bitcoins is LocalBitcoins site. You have to register, click 'Buy bitcoins', and select the seller by payment method and price. https://localbitcoins.com/buy_bitcoins Also you can find other places to buy Bitcoins and beginners guide here: http://www.coindesk.com/information/how-can-i-buy-bitcoins/ Attention! Do not rename encrypted files. Do not try to decrypt your data using third party software, it may cause permanent data loss. Decryption of your files with the help of third parties may cause increased price (they add their fee to our) or you can become a victim of a scam.

Targets

    • Target

      comservice32.exe_.exe

    • Size

      92KB

    • MD5

      b9750a01692e2c7bfecb9ca076d9b119

    • SHA1

      656357256b6e0b8e9b0af86b00076968a9fb72a1

    • SHA256

      cd4195d92768aeb441215d758781984fe69317487fff6fcc76c680a93e1c2ec6

    • SHA512

      6a6dfe7a676fe6cbe2bf2c7b7b0c85fe2632cd7c3ed4f8d2fcbb36ed30be6e62c9cea13e29f74a21e2bedeff65ea51cb129f527fc7e85ad4b2b7a1b72e9971a1

    • Dharma

      Dharma is a ransomware that uses security software installation to hide malicious activities.

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Drops startup file

    • 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

    • Drops desktop.ini file(s)

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v6

Tasks