Overview

overview

10

Static

static

3

winprofile

windows7-x64

10

winprofile

windows10-1703-x64

10

Sharing

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General

  • Target

    509466341efb97d03c3ffc43b6e6570941da23566b1d1101fbde8a836047a7b1

  • Size

    785KB

  • Sample

    231127-fhwfdaed2s

  • MD5

    ed61f850998129a23067242a868a2044

  • SHA1

    f5873bdd503ab43cc7c1bf7bfb9294a36bc8b74a

  • SHA256

    509466341efb97d03c3ffc43b6e6570941da23566b1d1101fbde8a836047a7b1

  • SHA512

    ee3094216838491481fc42cac3bfa518733f95e4765a7348cb43e449d74b7f58818f6fe41a4661907ae0648ef0a219a069231808a0bda6173f7677aeba7e7a41

  • SSDEEP

    12288:TPSJR2xS142p8hcMdkjTDcmLbJnGOXIBHHis5JZ1vJwmrShMvDZ0:KR2mTp8nocUtwnis5WwDZ0

Score
10/10
djvudiscoverypersistenceransomwarespywarestealer

Malware Config

Extracted

Family

djvu

C2

http://zexeq.com/lancer/get.php

Attributes
  • extension

    .gycc

  • offline_id

    nN1rRlTxKTPo66pmJEAHwufZ2Dhz4MsNxIlOk6t1

  • payload_url

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

    http://zexeq.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. You can get and look video overview decrypt tool: https://we.tl/t-CDZ4hMgp2X 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: 0829ASdw

rsa_pubkey.plain

Targets

    • Target

      509466341efb97d03c3ffc43b6e6570941da23566b1d1101fbde8a836047a7b1

    • Size

      785KB

    • MD5

      ed61f850998129a23067242a868a2044

    • SHA1

      f5873bdd503ab43cc7c1bf7bfb9294a36bc8b74a

    • SHA256

      509466341efb97d03c3ffc43b6e6570941da23566b1d1101fbde8a836047a7b1

    • SHA512

      ee3094216838491481fc42cac3bfa518733f95e4765a7348cb43e449d74b7f58818f6fe41a4661907ae0648ef0a219a069231808a0bda6173f7677aeba7e7a41

    • SSDEEP

      12288:TPSJR2xS142p8hcMdkjTDcmLbJnGOXIBHHis5JZ1vJwmrShMvDZ0:KR2mTp8nocUtwnis5WwDZ0

    Score
    10/10
    djvudiscoverypersistenceransomwarespywarestealer

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

      ransomwaredjvu

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

      discovery

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

      spywarestealer

    • Adds Run key to start application

      persistence

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • 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