Overview

overview

10

Static

static

3

winprofile

windows7-x64

10

winprofile

windows10-1703-x64

10

Sharing

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General

  • Target

    a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e

  • Size

    737KB

  • Sample

    240107-2cca7sgdh2

  • MD5

    4be84d2271fde324d48f5364ff65e12f

  • SHA1

    124e6cb72a9340605227da0b4ea958e2e4f69de9

  • SHA256

    a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e

  • SHA512

    f35b53dc32c0d5399a3c35539934baf0acdac9fcd821c69223d1111fa17523e6455fc01ea2b82cfda50b1f6ca905ef4c67d113b5cb3aa66cd5ad0da6bef3f70b

  • SSDEEP

    12288:P4a3i3PM6FctLclDaaS8Myn/QRGURpqipm9rudVZfejbJhNpojv:gAipcmlDtS85IRGUyicrU3WjbJh36

Score
10/10
djvuvidardiscoverypersistenceransomwarestealer

Malware Config

Extracted

Family

djvu

C2

http://zexeq.com/test1/get.php

Attributes
  • extension

    .cdqw

  • offline_id

    mMsRxMUuXypapZbGOAfxD9pczHmW8zVRP7Pgjwt1

  • 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-99MNqXMrdS Price of private key and decrypt software is $1999. Discount 50% available if you contact us first 72 hours, that's price for you is $999. 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: 0840ASdw

rsa_pubkey.plain

Targets

    • Target

      a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e

    • Size

      737KB

    • MD5

      4be84d2271fde324d48f5364ff65e12f

    • SHA1

      124e6cb72a9340605227da0b4ea958e2e4f69de9

    • SHA256

      a9bad8d42443a9072a60a91f8a747c9c6221203a6c035ecdae621bc2f4fddf8e

    • SHA512

      f35b53dc32c0d5399a3c35539934baf0acdac9fcd821c69223d1111fa17523e6455fc01ea2b82cfda50b1f6ca905ef4c67d113b5cb3aa66cd5ad0da6bef3f70b

    • SSDEEP

      12288:P4a3i3PM6FctLclDaaS8Myn/QRGURpqipm9rudVZfejbJhNpojv:gAipcmlDtS85IRGUyicrU3WjbJh36

    Score
    10/10
    djvuvidardiscoverypersistenceransomwarestealer

    • Detect Vidar Stealer

      stealer

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

      ransomwaredjvu

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

      stealervidar

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • 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