Overview

overview

10

Static

static

3

d88d0746c4...e0.exe

windows7-x64

10

d88d0746c4...e0.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    d88d0746c4a81d9e858c8d34797799e11b93772bd186548fad99643e14461de0.exe

  • Size

    814KB

  • Sample

    250318-k1lq4sskz7

  • MD5

    ad4fca578b894e89272a48eee7fa5886

  • SHA1

    a0a1a4f505c21ed245a607a8b0c46fb7d824d105

  • SHA256

    d88d0746c4a81d9e858c8d34797799e11b93772bd186548fad99643e14461de0

  • SHA512

    454a583d2be74e5b9e1514da4a28b67d568f4822e22e885c196d8435a4fa32280b166ac2d072d756a78c20ddc1798f9961a33aaef18012adb4ea0c2374e5303a

  • SSDEEP

    12288:lMqpTaq968wBCSqCKRj5UdtAoOd9BozBMNV3/WeMM+1qjqD1S9g7J:vl6VBENj5oOqzBMn3/W9JE5g7J

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .vook

  • offline_id

    1eSPzWRaNslCgtjBZfL5pzvovoiaVI4IZSnvAwt1

  • payload_url

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

    http://sajdfue.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. Do not ask assistants from youtube and recovery data sites for help in recovering your data. They can use your free decryption quota and scam you. Our contact is emails in this text document only. You can get and look video overview decrypt tool: https://wetransfer.com/downloads/3ed7a617738550b0a00c5aa231c0752020240316170955/d71ce1 Price of private key and decrypt software is $999. Discount 50% available if you contact us first 72 hours, that's price for you is $499. 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: 0857PsawqS

rsa_pubkey.plain

Targets

    • Target

      d88d0746c4a81d9e858c8d34797799e11b93772bd186548fad99643e14461de0.exe

    • Size

      814KB

    • MD5

      ad4fca578b894e89272a48eee7fa5886

    • SHA1

      a0a1a4f505c21ed245a607a8b0c46fb7d824d105

    • SHA256

      d88d0746c4a81d9e858c8d34797799e11b93772bd186548fad99643e14461de0

    • SHA512

      454a583d2be74e5b9e1514da4a28b67d568f4822e22e885c196d8435a4fa32280b166ac2d072d756a78c20ddc1798f9961a33aaef18012adb4ea0c2374e5303a

    • SSDEEP

      12288:lMqpTaq968wBCSqCKRj5UdtAoOd9BozBMNV3/WeMM+1qjqD1S9g7J:vl6VBENj5oOqzBMn3/W9JE5g7J

    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