Overview

overview

10

Static

static

3

b43118f255...70.exe

windows7-x64

10

b43118f255...70.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b43118f2550262e243a70fe40572428e3921f5e6c6a53c3c4c85e5cbd4325d70

  • Size

    754KB

  • Sample

    241021-qagblavbph

  • MD5

    51cdffb93a6be165bbf7657410530d0d

  • SHA1

    a479e69408af50ad5b5e12539fad8a98316f8fd0

  • SHA256

    b43118f2550262e243a70fe40572428e3921f5e6c6a53c3c4c85e5cbd4325d70

  • SHA512

    1e6135c8399ab9289fa97afbf87a73b87a8d4850d73bffa67c41d38137723a0dcacc32c91340c260bf49bd2e2116d559fba218152d8ad6ab4e20ea0d6ea0d49c

  • SSDEEP

    12288:46bRBPCVNzRrurNBVORUzCpdMtyfwbqBS9H4Tk53eiYaNLNvR:lbiVNpuFORu8dMMfbU7Yap

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

http://sajdfue.com/test2/get.php

Attributes
  • extension

    .looy

  • offline_id

    1eSPzWRaNslCgtjBZfL5pzvovoiaVI4IZSnvAwt1

  • payload_url

    http://sdfjhuz.com/dl/build2.exe

    http://sajdfue.com/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. Do not ask assistants from youtube and recovery data sites for help in recovering your data. They can use your free decryption quota and scam you. Our contact is emails in this text document only. You can get and look video overview decrypt tool: https://wetransfer.com/downloads/3ed7a617738550b0a00c5aa231c0752020240316170955/d71ce1 Price of private key and decrypt software is $999. Discount 50% available if you contact us first 72 hours, that's price for you is $499. 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: 0858PsawqS

rsa_pubkey.plain

Targets

    • Target

      b43118f2550262e243a70fe40572428e3921f5e6c6a53c3c4c85e5cbd4325d70

    • Size

      754KB

    • MD5

      51cdffb93a6be165bbf7657410530d0d

    • SHA1

      a479e69408af50ad5b5e12539fad8a98316f8fd0

    • SHA256

      b43118f2550262e243a70fe40572428e3921f5e6c6a53c3c4c85e5cbd4325d70

    • SHA512

      1e6135c8399ab9289fa97afbf87a73b87a8d4850d73bffa67c41d38137723a0dcacc32c91340c260bf49bd2e2116d559fba218152d8ad6ab4e20ea0d6ea0d49c

    • SSDEEP

      12288:46bRBPCVNzRrurNBVORUzCpdMtyfwbqBS9H4Tk53eiYaNLNvR:lbiVNpuFORu8dMMfbU7Yap

    Score
    10/10
    djvudiscoverypersistenceransomware

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

      ransomwaredjvu

    • 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