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Overview

overview

10

Static

static

3

JaffaCakes...ee.exe

windows7-x64

10

JaffaCakes...ee.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    JaffaCakes118_d3f848e862f61248e2d261eccb575866e4e743de3680bec76e2dc5b05fa20bee

  • Size

    847KB

  • Sample

    241229-bldyaaxqcj

  • MD5

    431817479eef8167eee6154a9a20cf35

  • SHA1

    f03240d8764d7f069b219c26057c4a5b4b28c904

  • SHA256

    d3f848e862f61248e2d261eccb575866e4e743de3680bec76e2dc5b05fa20bee

  • SHA512

    7f9410c46268862490e2ebd7bdbd5b04d2db381dd76163c10565cc4b38b9e3ca9e4aac4d8d11f67f64f6f3dbd18720d84e92ddd9ff2e9799b0511207d1bc2de7

  • SSDEEP

    24576:4N1UOIkbHMb2o6K1LqTj/3/S2Kj2wR+2:4j/Ikbsb2YLqTD0N

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

http://fuyt.org/test1/get.php

Attributes
  • extension

    .udla

  • offline_id

    qwVQoIsE2xLety0oNWloOilSDuIBXJGK86LM3ot1

  • 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-fnn5kv33Vv 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: 0435JIjdm

rsa_pubkey.plain

Targets

    • Target

      JaffaCakes118_d3f848e862f61248e2d261eccb575866e4e743de3680bec76e2dc5b05fa20bee

    • Size

      847KB

    • MD5

      431817479eef8167eee6154a9a20cf35

    • SHA1

      f03240d8764d7f069b219c26057c4a5b4b28c904

    • SHA256

      d3f848e862f61248e2d261eccb575866e4e743de3680bec76e2dc5b05fa20bee

    • SHA512

      7f9410c46268862490e2ebd7bdbd5b04d2db381dd76163c10565cc4b38b9e3ca9e4aac4d8d11f67f64f6f3dbd18720d84e92ddd9ff2e9799b0511207d1bc2de7

    • SSDEEP

      24576:4N1UOIkbHMb2o6K1LqTj/3/S2Kj2wR+2:4j/Ikbsb2YLqTD0N

    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