Overview

overview

10

Static

static

b6c2d9032c...be.exe

windows7-x64

10

b6c2d9032c...be.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    b6c2d9032c0fb47f5d74220cd4616bbe.exe
  • Size 783KB
  • Sample220822-q8pevsbfc6
  • SHA256 98d0a83c9eabf2f3e31af3e8934b9316e1d3fcb501ffc4b4e567a87f623a8096
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

  • djvu

C2

  • http://acacaca.org/fhsgtsspen6/get.php

Attributes
  • extension

    .qqlo

  • offline_id

    arwRSmitYZVDfxec0G8jyNLbXK8rKdnmN0jfDBt1

  • 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-SLR8OOjitY 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: 0543tOidj

rsa_pubkey.plain

Targets

    • Target
      b6c2d9032c0fb47f5d74220cd4616bbe.exe
    • Size 783KB
    • SHA256 98d0a83c9eabf2f3e31af3e8934b9316e1d3fcb501ffc4b4e567a87f623a8096
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    djvudiscoverypersistenceransomware

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

      ransomwaredjvu

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Modifies file permissions

      discovery

    • Adds Run key to start application

      persistence

    • 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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks