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Overview

overview

10

Static

static

3

JaffaCakes...f0.exe

windows7-x64

10

JaffaCakes...f0.exe

windows10-2004-x64

10

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General

  • Target

    JaffaCakes118_d71649630eb33a1114631e63be7d2ef72690b9c1bf969a15bb45268f7ea703f0

  • Size

    816KB

  • Sample

    241228-16mhlatmbl

  • MD5

    73d0e43f87a8d15cc8b6849fe15bc438

  • SHA1

    79c20772f11626abfe03fdc3973e20e01796dc58

  • SHA256

    d71649630eb33a1114631e63be7d2ef72690b9c1bf969a15bb45268f7ea703f0

  • SHA512

    3ffc7d051337a4cfb6a98ef75ab9f1083cf00ea141e10b64894dc8341208232c9bccf7a3725071c18940e3f4daa9d4d6283790c8fdc5713bde9a2bd6270842e6

  • SSDEEP

    24576:93QE0HSdFy/rvIvaQ/QbctEq3+fok9/a5cQjbNgEN:93QE0HmFKrTQ/jtb+foaa5cA+C

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .ifla

  • offline_id

    e8w5MeiBrZVoHLoloPm9MNlKBzXH70BB3B2KQ7t1

  • payload_url

    http://zerit.top/dl/build2.exe

    http://ugll.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-2w6I3WpXEh 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: 0478JIjdm

rsa_pubkey.plain

Targets

    • Target

      JaffaCakes118_d71649630eb33a1114631e63be7d2ef72690b9c1bf969a15bb45268f7ea703f0

    • Size

      816KB

    • MD5

      73d0e43f87a8d15cc8b6849fe15bc438

    • SHA1

      79c20772f11626abfe03fdc3973e20e01796dc58

    • SHA256

      d71649630eb33a1114631e63be7d2ef72690b9c1bf969a15bb45268f7ea703f0

    • SHA512

      3ffc7d051337a4cfb6a98ef75ab9f1083cf00ea141e10b64894dc8341208232c9bccf7a3725071c18940e3f4daa9d4d6283790c8fdc5713bde9a2bd6270842e6

    • SSDEEP

      24576:93QE0HSdFy/rvIvaQ/QbctEq3+fok9/a5cQjbNgEN:93QE0HmFKrTQ/jtb+foaa5cA+C

    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