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Overview

overview

10

Static

static

3

winprofile

windows7-x64

10

winprofile

windows10-1703-x64

10

Sharing

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General

  • Target

    b70087d7f98d1202412bef14f85685697fe14b29a6c0e91da315c6bcc6b253d8

  • Size

    677KB

  • Sample

    240107-2cnz1agdh8

  • MD5

    29c90df93010a44329059fe0300d92da

  • SHA1

    2b5da6fe0256f1f27e86d955b4c53177e91d85dd

  • SHA256

    b70087d7f98d1202412bef14f85685697fe14b29a6c0e91da315c6bcc6b253d8

  • SHA512

    a1866d160ac263c8d4a9380469a4cb0ecf6d86621c6cfef43b1eade133be3bf9e5fb0d67f63f13af72faca11af52cf06ec464378fed7c444b5553d00950bf128

  • SSDEEP

    12288:oaTA97Ia6XHj9DF5nX7p/+haG3S/jktz0H1PiqvYWfXdQSD+YbaUcDrh:rcx+XHj5brpm0G3QjwIpi+YWfXdZK8b

Score
10/10
djvuvidardiscoverypersistenceransomwarestealer

Malware Config

Extracted

Family

djvu

C2

http://zexeq.com/test1/get.php

Attributes
  • extension

    .cdqw

  • offline_id

    mMsRxMUuXypapZbGOAfxD9pczHmW8zVRP7Pgjwt1

  • payload_url

    http://brusuax.com/dl/build2.exe

    http://zexeq.com/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-99MNqXMrdS Price of private key and decrypt software is $1999. Discount 50% available if you contact us first 72 hours, that's price for you is $999. 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: 0840ASdw

rsa_pubkey.plain

Targets

    • Target

      b70087d7f98d1202412bef14f85685697fe14b29a6c0e91da315c6bcc6b253d8

    • Size

      677KB

    • MD5

      29c90df93010a44329059fe0300d92da

    • SHA1

      2b5da6fe0256f1f27e86d955b4c53177e91d85dd

    • SHA256

      b70087d7f98d1202412bef14f85685697fe14b29a6c0e91da315c6bcc6b253d8

    • SHA512

      a1866d160ac263c8d4a9380469a4cb0ecf6d86621c6cfef43b1eade133be3bf9e5fb0d67f63f13af72faca11af52cf06ec464378fed7c444b5553d00950bf128

    • SSDEEP

      12288:oaTA97Ia6XHj9DF5nX7p/+haG3S/jktz0H1PiqvYWfXdQSD+YbaUcDrh:rcx+XHj5brpm0G3QjwIpi+YWfXdZK8b

    Score
    10/10
    djvuvidardiscoverypersistenceransomwarestealer

    • Detect Vidar Stealer

      stealer

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

      ransomwaredjvu

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

      stealervidar

    • Downloads MZ/PE file

    • Executes dropped EXE

    • 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 v15

Tasks