Overview

overview

10

Static

static

3

winprofile

windows7-x64

10

winprofile

windows10-1703-x64

10

Sharing

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General

  • Target

    c1a93f1ae87b5dbc144d5957724bfb6e6c9a97954f87beb31325de7e4f46130f

  • Size

    789KB

  • Sample

    231126-2hb8dscg69

  • MD5

    a210a90552763d656fde75a803331986

  • SHA1

    456430e59f1a575a320dd04d380e286a31cf77e1

  • SHA256

    c1a93f1ae87b5dbc144d5957724bfb6e6c9a97954f87beb31325de7e4f46130f

  • SHA512

    4da5a6ecc4b510798f8b06652cd95440420c1f192539a28e5ff8dec6af2fae399669fd0c12eabb355ca24a0efa1bec07203010af25765a90f34bdc9e3e053688

  • SSDEEP

    12288:tgX3eOKAYurAgsxBJsWmR4BCVMpOBJ76p1i9uN80VJzTg67Ot5zhu3d6k4Er:ilKL9JgR4oVEWh8NFVS6I43d6k5

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

      c1a93f1ae87b5dbc144d5957724bfb6e6c9a97954f87beb31325de7e4f46130f

    • Size

      789KB

    • MD5

      a210a90552763d656fde75a803331986

    • SHA1

      456430e59f1a575a320dd04d380e286a31cf77e1

    • SHA256

      c1a93f1ae87b5dbc144d5957724bfb6e6c9a97954f87beb31325de7e4f46130f

    • SHA512

      4da5a6ecc4b510798f8b06652cd95440420c1f192539a28e5ff8dec6af2fae399669fd0c12eabb355ca24a0efa1bec07203010af25765a90f34bdc9e3e053688

    • SSDEEP

      12288:tgX3eOKAYurAgsxBJsWmR4BCVMpOBJ76p1i9uN80VJzTg67Ot5zhu3d6k4Er:ilKL9JgR4oVEWh8NFVS6I43d6k5

    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