Overview

overview

10

Static

static

3

JaffaCakes...92.exe

windows7-x64

10

JaffaCakes...92.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    JaffaCakes118_77c05297a94767e5dcd88d78c471da740c7c640d94a1fec0fe389b80e1e5aa92

  • Size

    726KB

  • Sample

    241225-sh9n8awlgy

  • MD5

    30024c796d61480aaf3e0cdad1b4f1c8

  • SHA1

    8be2e1592da6b31faf1bf36d23714ac01f989c0a

  • SHA256

    77c05297a94767e5dcd88d78c471da740c7c640d94a1fec0fe389b80e1e5aa92

  • SHA512

    89f2c54182eb42e18a3ad437193d61b92d331a075194ca31e44a0d55e13c8550917fe73910d656bd13431b0882fd0c8448f694b2e86aa5de1c70a08562760e16

  • SSDEEP

    12288:0l0Uwevw3hwKJyCdli7cLAW6+I+V7XFe4eo6tjQU+o:0llweY3htlAdMVBF6tjH

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_77c05297a94767e5dcd88d78c471da740c7c640d94a1fec0fe389b80e1e5aa92

    • Size

      726KB

    • MD5

      30024c796d61480aaf3e0cdad1b4f1c8

    • SHA1

      8be2e1592da6b31faf1bf36d23714ac01f989c0a

    • SHA256

      77c05297a94767e5dcd88d78c471da740c7c640d94a1fec0fe389b80e1e5aa92

    • SHA512

      89f2c54182eb42e18a3ad437193d61b92d331a075194ca31e44a0d55e13c8550917fe73910d656bd13431b0882fd0c8448f694b2e86aa5de1c70a08562760e16

    • SSDEEP

      12288:0l0Uwevw3hwKJyCdli7cLAW6+I+V7XFe4eo6tjQU+o:0llweY3htlAdMVBF6tjH

    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