General

  • Target
    87173b73a09857b493d985d71149ecab.exe
  • Size 729KB
  • Sample220808-bxdrnaddc4
  • SHA256 f6454bef1b6bfe39b4ba52c0e15eab252394d47e688ef935ea328ff67e71daa0
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • djvu

C2
  • http://acacaca.org/test2/get.php

Attributes
  • extension

    .vvyu

  • offline_id

    rE5LpDv2ftYRXAo7bC18EpzfRMTHSGjgfyIMfZt1

  • payload_url

    http://rgyui.top/dl/build2.exe

    http://acacaca.org/files/1/build3.exe

  • ransomnote

    ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-QsoSRIeAK6 Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0531Jhyjd

rsa_pubkey.plain

Targets

    • Target
      87173b73a09857b493d985d71149ecab.exe
    • Size 729KB
    • SHA256 f6454bef1b6bfe39b4ba52c0e15eab252394d47e688ef935ea328ff67e71daa0
    • MD5 SHA1 SHA512
    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Checks computer location settings

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

    • Modifies file permissions

    • Adds Run key to start application

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks