Overview

overview

10

Static

static

3

02854599.exe

windows7-x64

10

02854599.exe

windows10-2004-x64

10

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General

  • Target

    02854599.exe

  • Size

    782KB

  • Sample

    240920-w89npa1emc

  • MD5

    7f6667ae84281e5d97ac298efbcb6707

  • SHA1

    1a88e2c8803884c71dc0955c7cfd942fa875617a

  • SHA256

    4de2d00f758ece9e388f390616b66ca6581376cc674a6c2448f1bd9301246e8b

  • SHA512

    4e3ae39b9e032328c199a165eb6fc4a8568f7debd03cf3b639e455ec138538ec6cd5381bd1525e40d141ca27fa54ccf817b3d79e0e703856717efcfe0ae25198

  • SSDEEP

    12288:MQtgyuKiArFJFeGXdIMaKjv+PdzQm9eG1L6vv+PP4VPd:MQ6ZKbFJbz0dd9eG16vA4

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .vapo

  • offline_id

    BUcuB8PRg0LNi380axIJs5BS8nCUdeo9U88L2Lt1

  • payload_url

    http://colisumy.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-tnzomMj6HU 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: 0717JOsie

rsa_pubkey.plain

Targets

    • Target

      02854599.exe

    • Size

      782KB

    • MD5

      7f6667ae84281e5d97ac298efbcb6707

    • SHA1

      1a88e2c8803884c71dc0955c7cfd942fa875617a

    • SHA256

      4de2d00f758ece9e388f390616b66ca6581376cc674a6c2448f1bd9301246e8b

    • SHA512

      4e3ae39b9e032328c199a165eb6fc4a8568f7debd03cf3b639e455ec138538ec6cd5381bd1525e40d141ca27fa54ccf817b3d79e0e703856717efcfe0ae25198

    • SSDEEP

      12288:MQtgyuKiArFJFeGXdIMaKjv+PdzQm9eG1L6vv+PP4VPd:MQ6ZKbFJbz0dd9eG16vA4

    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