Overview

overview

10

Static

static

3

JaffaCakes...7a.exe

windows7-x64

10

JaffaCakes...7a.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    JaffaCakes118_e90243b7ed104c75b6b410f51671701b8026263970b2f4527595751d9f9cdb7a

  • Size

    834KB

  • Sample

    241225-derlxavrfz

  • MD5

    2e451490fb677f99838dbadd4b800863

  • SHA1

    4e8f45ce4237d2151c022d090806501b256c216b

  • SHA256

    e90243b7ed104c75b6b410f51671701b8026263970b2f4527595751d9f9cdb7a

  • SHA512

    00615f17d63fc247e1a067b6719fa7f5f68cc71ae0a09d3fa8b85370f931a83bea7787577e6d369df427987c250e7952ecb4e5199ef408eb2749eafef2fcd68e

  • SSDEEP

    12288:YFdF90LaqSSUruy+x84q3fDkk4evV3OwtVJ0l79WJjrY1lM5uUN3unnwQ7:otuyQfk4evIqL0foc1lM5zNgw

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .gtys

  • offline_id

    qwVQoIsE2xLety0oNWloOilSDuIBXJGK86LM3ot1

  • 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-fnn5kv33Vv 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: 0439JIjdm

rsa_pubkey.plain

Targets

    • Target

      JaffaCakes118_e90243b7ed104c75b6b410f51671701b8026263970b2f4527595751d9f9cdb7a

    • Size

      834KB

    • MD5

      2e451490fb677f99838dbadd4b800863

    • SHA1

      4e8f45ce4237d2151c022d090806501b256c216b

    • SHA256

      e90243b7ed104c75b6b410f51671701b8026263970b2f4527595751d9f9cdb7a

    • SHA512

      00615f17d63fc247e1a067b6719fa7f5f68cc71ae0a09d3fa8b85370f931a83bea7787577e6d369df427987c250e7952ecb4e5199ef408eb2749eafef2fcd68e

    • SSDEEP

      12288:YFdF90LaqSSUruy+x84q3fDkk4evV3OwtVJ0l79WJjrY1lM5uUN3unnwQ7:otuyQfk4evIqL0foc1lM5zNgw

    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