Overview

overview

10

Static

static

3

JaffaCakes...57.exe

windows7-x64

10

JaffaCakes...57.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    JaffaCakes118_e4c05bc6f648495016a6e6a078253cf0ed7d97f00f937df776b8f9b50bdece57

  • Size

    759KB

  • Sample

    241222-wxrczavmew

  • MD5

    b68c88878f6b9bdd0df07df4dd78a5c2

  • SHA1

    0c6d8ed96b2fa7628bbcdd63b445358a40420db2

  • SHA256

    e4c05bc6f648495016a6e6a078253cf0ed7d97f00f937df776b8f9b50bdece57

  • SHA512

    561051c1779b34ec194aa8d51b4697ab3048bc6b661df38573025ff6493a7cfe0d85f01a75e9e1896787d6aeb1dd30085d9fb90e1dd5383934db9fdeb4a91a35

  • SSDEEP

    12288:8yVxZ0fZ1vQd009Fzq40h8IlKD+pwpmH37+1nOTzMDXN+d/JwmYyQiavME2sTGch:kff1eqCk3ihOPMDd+d/JwmWiavMEzTGe

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_e4c05bc6f648495016a6e6a078253cf0ed7d97f00f937df776b8f9b50bdece57

    • Size

      759KB

    • MD5

      b68c88878f6b9bdd0df07df4dd78a5c2

    • SHA1

      0c6d8ed96b2fa7628bbcdd63b445358a40420db2

    • SHA256

      e4c05bc6f648495016a6e6a078253cf0ed7d97f00f937df776b8f9b50bdece57

    • SHA512

      561051c1779b34ec194aa8d51b4697ab3048bc6b661df38573025ff6493a7cfe0d85f01a75e9e1896787d6aeb1dd30085d9fb90e1dd5383934db9fdeb4a91a35

    • SSDEEP

      12288:8yVxZ0fZ1vQd009Fzq40h8IlKD+pwpmH37+1nOTzMDXN+d/JwmYyQiavME2sTGch:kff1eqCk3ihOPMDd+d/JwmWiavMEzTGe

    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