Overview

overview

10

Static

static

3

JaffaCakes...4f.exe

windows7-x64

10

JaffaCakes...4f.exe

windows10-2004-x64

10

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General

  • Target

    JaffaCakes118_89defe919b41dfac8ac35c0e14634c0d75d4da66e3e27c7338adbad2e316174f

  • Size

    784KB

  • Sample

    241226-yn2tfsxnbr

  • MD5

    4c4005e3138397f94b8abec91925c73a

  • SHA1

    e18e77c134091225c790f3ec7528bf64b95c82a7

  • SHA256

    89defe919b41dfac8ac35c0e14634c0d75d4da66e3e27c7338adbad2e316174f

  • SHA512

    5692ff13677fe772155643d1c0ff35fd126ea8faf9cc800602b1bb5d24df6a828dca60d97a5c6a36a4127f62c300662a8dcda4093afb43ccb6bbc49c66f8552d

  • SSDEEP

    12288:S7sPl0BK3OeTnQ5EKaSaVX0qXF63bVDNIi4xX73lEV5B1TBinzewbPinWVAyxa9L:hl7zE5ED6YKbVDNI/p7IjewWVla9

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .qpss

  • offline_id

    miqhSGmGE63yWs53FTz0fnp8eCARpnaYE3O3p2t1

  • 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-0SLhZxAjRX 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: 0448JIjdm

rsa_pubkey.plain

Targets

    • Target

      JaffaCakes118_89defe919b41dfac8ac35c0e14634c0d75d4da66e3e27c7338adbad2e316174f

    • Size

      784KB

    • MD5

      4c4005e3138397f94b8abec91925c73a

    • SHA1

      e18e77c134091225c790f3ec7528bf64b95c82a7

    • SHA256

      89defe919b41dfac8ac35c0e14634c0d75d4da66e3e27c7338adbad2e316174f

    • SHA512

      5692ff13677fe772155643d1c0ff35fd126ea8faf9cc800602b1bb5d24df6a828dca60d97a5c6a36a4127f62c300662a8dcda4093afb43ccb6bbc49c66f8552d

    • SSDEEP

      12288:S7sPl0BK3OeTnQ5EKaSaVX0qXF63bVDNIi4xX73lEV5B1TBinzewbPinWVAyxa9L:hl7zE5ED6YKbVDNI/p7IjewWVla9

    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