Overview

overview

10

Static

static

3

file.exe

windows7-x64

10

file.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    file.exe

  • Size

    739KB

  • Sample

    240118-myyzrshhbl

  • MD5

    cc134b8ddfe0681646ed11c0e3041876

  • SHA1

    5f4798fd0e7664cc6d6bcb4dece7f03a6588129c

  • SHA256

    334b1a2395188d25eb92cf8bf6ad47116f3d16252eaa701daabdada0aae4cfe0

  • SHA512

    8d82303166148f3fbff4c23cc848da13d1e47a69f9a1d3fbd845491f9425e4cfcfcce9e47fa8367bb11f3a9d25ab12e607cafe429148f747f4b9a9506ca8fde9

  • SSDEEP

    12288:6E+Il0hlTvlQicbaHDoSFedmJZ5tByAEZ+v4kJvuNtvYfGUGQ9NXmb710qZwKvxy:j+I0vlQ+D2dKw+LvuozLNXmNnZfvx

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

http://habrafa.com/test2/get.php

Attributes
  • extension

    .cdtt

  • offline_id

    Bn3q97hwLouKbhkQRNO4SeV07gjdEQVm8NKhg0t1

  • payload_url

  • 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-FCWSCsjEWS 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: 0845OSkw

rsa_pubkey.plain

Targets

    • Target

      file.exe

    • Size

      739KB

    • MD5

      cc134b8ddfe0681646ed11c0e3041876

    • SHA1

      5f4798fd0e7664cc6d6bcb4dece7f03a6588129c

    • SHA256

      334b1a2395188d25eb92cf8bf6ad47116f3d16252eaa701daabdada0aae4cfe0

    • SHA512

      8d82303166148f3fbff4c23cc848da13d1e47a69f9a1d3fbd845491f9425e4cfcfcce9e47fa8367bb11f3a9d25ab12e607cafe429148f747f4b9a9506ca8fde9

    • SSDEEP

      12288:6E+Il0hlTvlQicbaHDoSFedmJZ5tByAEZ+v4kJvuNtvYfGUGQ9NXmb710qZwKvxy:j+I0vlQ+D2dKw+LvuozLNXmNnZfvx

    Score
    10/10
    djvudiscoverypersistenceransomware

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

      ransomwaredjvu

    • 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