Overview

overview

10

Static

static

3

JaffaCakes...f9.exe

windows7-x64

10

JaffaCakes...f9.exe

windows10-2004-x64

10

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General

  • Target

    JaffaCakes118_bb4ef0f38dc73163c5284ea31437abdf17130321883d04cfd04c041efc922af9

  • Size

    838KB

  • Sample

    241222-l36pqstrak

  • MD5

    361d9b1bee71debf8d966051c0369a9a

  • SHA1

    757949978d35abf2d24b77a4497e19a02a999307

  • SHA256

    bb4ef0f38dc73163c5284ea31437abdf17130321883d04cfd04c041efc922af9

  • SHA512

    2c859936590be2be37e3460378d8d832dec16add1ce87bb70c9cdf84e080fc0bde1c4444121890a32346ed56384060171e06aa208c27d0a7027aa017af23ef83

  • SSDEEP

    12288:Y/IZf5Of+cXoWFfvSn8tcJtkW5lvL1QjSLAPv8SzZtZaAkmEjPR5y7j:Y/0ROfQ0tGsW5hL64u8SzHiHLR5q

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_bb4ef0f38dc73163c5284ea31437abdf17130321883d04cfd04c041efc922af9

    • Size

      838KB

    • MD5

      361d9b1bee71debf8d966051c0369a9a

    • SHA1

      757949978d35abf2d24b77a4497e19a02a999307

    • SHA256

      bb4ef0f38dc73163c5284ea31437abdf17130321883d04cfd04c041efc922af9

    • SHA512

      2c859936590be2be37e3460378d8d832dec16add1ce87bb70c9cdf84e080fc0bde1c4444121890a32346ed56384060171e06aa208c27d0a7027aa017af23ef83

    • SSDEEP

      12288:Y/IZf5Of+cXoWFfvSn8tcJtkW5lvL1QjSLAPv8SzZtZaAkmEjPR5y7j:Y/0ROfQ0tGsW5hL64u8SzHiHLR5q

    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