Overview

overview

10

Static

static

3

JaffaCakes...7f.exe

windows7-x64

10

JaffaCakes...7f.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    JaffaCakes118_cb6d76b46da2417b07bd7e2d9dd2877a49468bf98105120f1a25af2ff9ebca7f

  • Size

    851KB

  • Sample

    241230-gzx6zazrg1

  • MD5

    7cd4f8cac9361f89f842f325d930788b

  • SHA1

    4e28750ad22ade1f19c8306d0f060b89f34847cc

  • SHA256

    cb6d76b46da2417b07bd7e2d9dd2877a49468bf98105120f1a25af2ff9ebca7f

  • SHA512

    c00e0eb2042ea93cf6270548025338c0f42ec244100a50b7bb33ccc643370e136cd3c078a3cf16285752bcb4b7d820c88aba4fd7fe5663a947b3265233767aa9

  • SSDEEP

    24576:StAgUMn8lZymIsJ3pagaDpVZL3EiQZQp5YxdciFNJJ:YwrF57KDL3Nk2ux9Fb

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

http://ugll.org/test1/get.php

Attributes
  • extension

    .dfwe

  • offline_id

    eBNgvyGQV1Hmt9DBdxVRs8qPi1agsS7OaohPmit1

  • 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-j3AdKrnQie 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: 0480JIjdm

rsa_pubkey.plain

Targets

    • Target

      JaffaCakes118_cb6d76b46da2417b07bd7e2d9dd2877a49468bf98105120f1a25af2ff9ebca7f

    • Size

      851KB

    • MD5

      7cd4f8cac9361f89f842f325d930788b

    • SHA1

      4e28750ad22ade1f19c8306d0f060b89f34847cc

    • SHA256

      cb6d76b46da2417b07bd7e2d9dd2877a49468bf98105120f1a25af2ff9ebca7f

    • SHA512

      c00e0eb2042ea93cf6270548025338c0f42ec244100a50b7bb33ccc643370e136cd3c078a3cf16285752bcb4b7d820c88aba4fd7fe5663a947b3265233767aa9

    • SSDEEP

      24576:StAgUMn8lZymIsJ3pagaDpVZL3EiQZQp5YxdciFNJJ:YwrF57KDL3Nk2ux9Fb

    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