Overview

overview

10

Static

static

3

98e1edc2b7...f1.exe

windows7-x64

10

98e1edc2b7...f1.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    98e1edc2b7a9cc635d775cb995ff435ecfb6f86f6b4d9883e1e0afbb8f4b92f1

  • Size

    783KB

  • Sample

    241221-t4lpyssrez

  • MD5

    2575092702d9b05dec712ca0c964bd09

  • SHA1

    c9029bf47f3fb21d47dc34f851986aa8fc20b04f

  • SHA256

    98e1edc2b7a9cc635d775cb995ff435ecfb6f86f6b4d9883e1e0afbb8f4b92f1

  • SHA512

    c2dce62ba554face5a8df515c57d32f2b93fed685f178cd05aa9ca1fb01b387c48f88ba1a3a115074d008d2a761623f75cf1a2def0ebc7555ae5c3e7d1171099

  • SSDEEP

    12288:h1zbf11nSrUsBQbbGOP1Zvor1Udxp3k0Aba53exm8tDuZuEgNV7i0fM:D111/DtKmdxplT5uxdtDOgN9P0

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

http://fuyt.org/test1/get.php

Attributes
  • extension

    .ghas

  • offline_id

    miqhSGmGE63yWs53FTz0fnp8eCARpnaYE3O3p2t1

  • payload_url

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

    http://fuyt.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-0SLhZxAjRX 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: 0445JIjdm

rsa_pubkey.plain

Targets

    • Target

      98e1edc2b7a9cc635d775cb995ff435ecfb6f86f6b4d9883e1e0afbb8f4b92f1

    • Size

      783KB

    • MD5

      2575092702d9b05dec712ca0c964bd09

    • SHA1

      c9029bf47f3fb21d47dc34f851986aa8fc20b04f

    • SHA256

      98e1edc2b7a9cc635d775cb995ff435ecfb6f86f6b4d9883e1e0afbb8f4b92f1

    • SHA512

      c2dce62ba554face5a8df515c57d32f2b93fed685f178cd05aa9ca1fb01b387c48f88ba1a3a115074d008d2a761623f75cf1a2def0ebc7555ae5c3e7d1171099

    • SSDEEP

      12288:h1zbf11nSrUsBQbbGOP1Zvor1Udxp3k0Aba53exm8tDuZuEgNV7i0fM:D111/DtKmdxplT5uxdtDOgN9P0

    Score
    10/10
    djvudiscoverypersistenceransomware

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

      ransomwaredjvu

    • Djvu family

      djvu

    • Checks computer location settings

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

    • 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