Overview

overview

10

Static

static

3

JaffaCakes...6c.exe

windows7-x64

10

JaffaCakes...6c.exe

windows10-2004-x64

10

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General

  • Target

    JaffaCakes118_3e837470875b62682d0a8c451e8d1389a0ae559b9e6de08edcaa69ec38e5216c

  • Size

    760KB

  • Sample

    241223-p7blyaznc1

  • MD5

    d834245925248f4b8f04e15ddba11730

  • SHA1

    7ce6870e8d2279db38dd7972e2bbdfd54d33df3d

  • SHA256

    3e837470875b62682d0a8c451e8d1389a0ae559b9e6de08edcaa69ec38e5216c

  • SHA512

    fa86c51e7008063956cc67f7f5309024baad40fb27c9f99adeee955ff807c8d6187d0a3977fc4d28bbd29a874d56b46006d5ae1a08c719f5d9c11d922afc160d

  • SSDEEP

    12288:UzyDo/o6oH5jpcnUniUk1F0oysY3x4eeeZfgWT0OBBvd7MjvrRremiB:S/uZKwk1SSYukZzT0WF78Rre7

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .tuid

  • offline_id

    LgcOIftV0dQfFBQStVNfb8BhHy8tHRPvXwSiFwt1

  • 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-FglTTmgzZT 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: 0440tOjkfd

rsa_pubkey.plain

Targets

    • Target

      JaffaCakes118_3e837470875b62682d0a8c451e8d1389a0ae559b9e6de08edcaa69ec38e5216c

    • Size

      760KB

    • MD5

      d834245925248f4b8f04e15ddba11730

    • SHA1

      7ce6870e8d2279db38dd7972e2bbdfd54d33df3d

    • SHA256

      3e837470875b62682d0a8c451e8d1389a0ae559b9e6de08edcaa69ec38e5216c

    • SHA512

      fa86c51e7008063956cc67f7f5309024baad40fb27c9f99adeee955ff807c8d6187d0a3977fc4d28bbd29a874d56b46006d5ae1a08c719f5d9c11d922afc160d

    • SSDEEP

      12288:UzyDo/o6oH5jpcnUniUk1F0oysY3x4eeeZfgWT0OBBvd7MjvrRremiB:S/uZKwk1SSYukZzT0WF78Rre7

    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