Overview

overview

10

Static

static

3

ad42ae25b5...dc.exe

windows7-x64

10

ad42ae25b5...dc.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    ad42ae25b5ae192a64ff550c53b5d2db38b3cbf0b77d34af7dbe6fd0f554aadc

  • Size

    788KB

  • Sample

    241121-xvsnpazjdp

  • MD5

    d12fac240f848ffc20ab138277643ffb

  • SHA1

    0bbf2d7bae64ec348ec6c7060e185126abd59d63

  • SHA256

    ad42ae25b5ae192a64ff550c53b5d2db38b3cbf0b77d34af7dbe6fd0f554aadc

  • SHA512

    81f261deffc263258828a995a4445a37c521b67eed67ebc19314e5062c56b038e3f0a03806323a3f7638ac6be0858a06b75c15767ff4224a478fd9ef6d89f538

  • SSDEEP

    24576:Sh2Q81BHBADHUVYNV8Wvq0XuH8TNe1fUb:ShUhiHUVU8WS0XDNe9

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .nbzi

  • offline_id

    csCsb6cUvy0iMa6NgGCGH0hSfXQlGjZVEmFVkgt1

  • 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-8dGJ2tqlOd 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: 0832ASdw

rsa_pubkey.plain

Targets

    • Target

      ad42ae25b5ae192a64ff550c53b5d2db38b3cbf0b77d34af7dbe6fd0f554aadc

    • Size

      788KB

    • MD5

      d12fac240f848ffc20ab138277643ffb

    • SHA1

      0bbf2d7bae64ec348ec6c7060e185126abd59d63

    • SHA256

      ad42ae25b5ae192a64ff550c53b5d2db38b3cbf0b77d34af7dbe6fd0f554aadc

    • SHA512

      81f261deffc263258828a995a4445a37c521b67eed67ebc19314e5062c56b038e3f0a03806323a3f7638ac6be0858a06b75c15767ff4224a478fd9ef6d89f538

    • SSDEEP

      24576:Sh2Q81BHBADHUVYNV8Wvq0XuH8TNe1fUb:ShUhiHUVU8WS0XDNe9

    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