Overview

overview

10

Static

static

3

winprofile

windows7-x64

10

winprofile

windows10-1703-x64

10

Sharing

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General

  • Target

    0345dce9200ed7695fd6d0f385663b5b72edacfcd7d7670a22fc4b4c6ac32d78

  • Size

    890KB

  • Sample

    231224-17mvradcf8

  • MD5

    a6918e36eed0c82c50e27957b85a0df1

  • SHA1

    152c5b5eed5a80a80ec17390e5f7f866fdcfba6d

  • SHA256

    0345dce9200ed7695fd6d0f385663b5b72edacfcd7d7670a22fc4b4c6ac32d78

  • SHA512

    5eb7937b574bf29f26b706741b9bb6197537307552dffd720030ce66e541fd9b2b4b0d827b536e1caa7fdd3b670355bde81e34aa91308a97d9fb438bc0306e08

  • SSDEEP

    24576:O7sVtaHKaAc0mW9Dn6IcUoY6QPHSvYcrpXGy+xVq7Dov:isVkHKaLGDnKUo9ky14E78v

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .loqw

  • offline_id

    NrqpaQRhQqq5l2tBPp1QS34I3ME2IKsAlZ0A9pt1

  • 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-MhbiRFXgXD 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: 0838ASdw

rsa_pubkey.plain

Targets

    • Target

      0345dce9200ed7695fd6d0f385663b5b72edacfcd7d7670a22fc4b4c6ac32d78

    • Size

      890KB

    • MD5

      a6918e36eed0c82c50e27957b85a0df1

    • SHA1

      152c5b5eed5a80a80ec17390e5f7f866fdcfba6d

    • SHA256

      0345dce9200ed7695fd6d0f385663b5b72edacfcd7d7670a22fc4b4c6ac32d78

    • SHA512

      5eb7937b574bf29f26b706741b9bb6197537307552dffd720030ce66e541fd9b2b4b0d827b536e1caa7fdd3b670355bde81e34aa91308a97d9fb438bc0306e08

    • SSDEEP

      24576:O7sVtaHKaAc0mW9Dn6IcUoY6QPHSvYcrpXGy+xVq7Dov:isVkHKaLGDnKUo9ky14E78v

    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

    • 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