Overview

overview

10

Static

static

3

JaffaCakes...86.exe

windows7-x64

10

JaffaCakes...86.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    JaffaCakes118_46836b5df28fe1b4cc86208cc514b570280abfd5a3fefc24217f698c33190d86

  • Size

    800KB

  • Sample

    241227-b6y4ysylgx

  • MD5

    483c827e527f4e67a36b600e5ee66f0b

  • SHA1

    0ac3839b9e8ae5aa52d0666776043738bb8af57a

  • SHA256

    46836b5df28fe1b4cc86208cc514b570280abfd5a3fefc24217f698c33190d86

  • SHA512

    71a5cba3e02fa5b4e8deb49bff91db3876c2562940ff7bbdd7285f5c5fb949d0cd4cdd03945d9ea824c8fcf277023f2cf9564e4058d4dd0ccf8f57d2c01b8a48

  • SSDEEP

    12288:T5InKMnY5Hs25Q0eGLyowWq0/5NEAMx94aFAcm4WGEAx1Xx9+44kCyZ7xOGb7HZ0:ChY5HZ5pOorqe5CRDlA0W21XxIt42

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_46836b5df28fe1b4cc86208cc514b570280abfd5a3fefc24217f698c33190d86

    • Size

      800KB

    • MD5

      483c827e527f4e67a36b600e5ee66f0b

    • SHA1

      0ac3839b9e8ae5aa52d0666776043738bb8af57a

    • SHA256

      46836b5df28fe1b4cc86208cc514b570280abfd5a3fefc24217f698c33190d86

    • SHA512

      71a5cba3e02fa5b4e8deb49bff91db3876c2562940ff7bbdd7285f5c5fb949d0cd4cdd03945d9ea824c8fcf277023f2cf9564e4058d4dd0ccf8f57d2c01b8a48

    • SSDEEP

      12288:T5InKMnY5Hs25Q0eGLyowWq0/5NEAMx94aFAcm4WGEAx1Xx9+44kCyZ7xOGb7HZ0:ChY5HZ5pOorqe5CRDlA0W21XxIt42

    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