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_f4654e25c4c943fe4816b44863eaf95330f4203cd147d849a9d0247e72a2d84f

  • Size

    762KB

  • Sample

    241225-btwhastkgp

  • MD5

    db2b360bb7675e8c7938658adf9a0619

  • SHA1

    1448e6aafda4fb85e5d6f88433a66a80443447f6

  • SHA256

    f4654e25c4c943fe4816b44863eaf95330f4203cd147d849a9d0247e72a2d84f

  • SHA512

    7e997ea3770f581838f4de907217b335fdf438355018ed9b1ff29a4c43db029990ee91f51097bb098dfa07831578da5c1de4fc9957e632ab33e4cc72c5f6f81b

  • SSDEEP

    12288:VHxvFtDY6U0XS8F0Xq3cmQzDJjMCnZJN45awPm/1OH239SSyf8aWSFB:pxH2VXcqDJooZAdPzH2t48o

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .nuhb

  • offline_id

    PfLhykvDxmCghCq8peuxBtQ3c0QBuANi8WUkuet1

  • 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-c565B1ILoZ 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: 0453Jbdio

rsa_pubkey.plain

Targets

    • Target

      JaffaCakes118_f4654e25c4c943fe4816b44863eaf95330f4203cd147d849a9d0247e72a2d84f

    • Size

      762KB

    • MD5

      db2b360bb7675e8c7938658adf9a0619

    • SHA1

      1448e6aafda4fb85e5d6f88433a66a80443447f6

    • SHA256

      f4654e25c4c943fe4816b44863eaf95330f4203cd147d849a9d0247e72a2d84f

    • SHA512

      7e997ea3770f581838f4de907217b335fdf438355018ed9b1ff29a4c43db029990ee91f51097bb098dfa07831578da5c1de4fc9957e632ab33e4cc72c5f6f81b

    • SSDEEP

      12288:VHxvFtDY6U0XS8F0Xq3cmQzDJjMCnZJN45awPm/1OH239SSyf8aWSFB:pxH2VXcqDJooZAdPzH2t48o

    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