Overview

overview

10

Static

static

3

JaffaCakes...38.exe

windows7-x64

10

JaffaCakes...38.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    JaffaCakes118_af26c6aefe5d98ff78be1a8760dc3bfc12e803be297a076854a7111b266da738

  • Size

    761KB

  • Sample

    241224-z98dssxrbm

  • MD5

    512a0fbd3b7535d495580dfb44b6b33c

  • SHA1

    6c324dce8586751d63004cc777d3a9264a067ec6

  • SHA256

    af26c6aefe5d98ff78be1a8760dc3bfc12e803be297a076854a7111b266da738

  • SHA512

    c4cfc33ec5beef2ad8a5f7ee1b4dc55aba53af80d2ef18cf1e06ec05b74c2691a7d2b85ecf3bb1cd0bad9fa7f98b3f338b48567fd3cec34e9e50dd633b863ae4

  • SSDEEP

    12288:rkpg4pbED3TuOQ3VBBqVj0qTqIiaexND0ThY73CDHRsVZQVClkgZ44djA+dX4EG:oT5ED3TurPyjz2IiaeqYzWs3QAvZ44d8

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

http://fuyt.org/fhsgtsspen6/get.php

Attributes
  • extension

    .dmay

  • offline_id

    Xe4NOamOTHZrARTiL9dfVzAylFrEWLGGbr2dngt1

  • 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-FT7BNVbXC9 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: 0458JIjdm

rsa_pubkey.plain

Targets

    • Target

      JaffaCakes118_af26c6aefe5d98ff78be1a8760dc3bfc12e803be297a076854a7111b266da738

    • Size

      761KB

    • MD5

      512a0fbd3b7535d495580dfb44b6b33c

    • SHA1

      6c324dce8586751d63004cc777d3a9264a067ec6

    • SHA256

      af26c6aefe5d98ff78be1a8760dc3bfc12e803be297a076854a7111b266da738

    • SHA512

      c4cfc33ec5beef2ad8a5f7ee1b4dc55aba53af80d2ef18cf1e06ec05b74c2691a7d2b85ecf3bb1cd0bad9fa7f98b3f338b48567fd3cec34e9e50dd633b863ae4

    • SSDEEP

      12288:rkpg4pbED3TuOQ3VBBqVj0qTqIiaexND0ThY73CDHRsVZQVClkgZ44djA+dX4EG:oT5ED3TurPyjz2IiaeqYzWs3QAvZ44d8

    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