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Overview

overview

10

Static

static

3

9dfb6b41c9...9c.exe

windows7-x64

10

9dfb6b41c9...9c.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    9dfb6b41c90732c9206ef6f65a941b1061126ead69e3715d79519196dad5899c

  • Size

    688KB

  • Sample

    240111-n7x99sgbf7

  • MD5

    cd2a2421b83821c6c98e6d0bd346d7bd

  • SHA1

    0723c84c1e70a010e60b623526d146a469a69420

  • SHA256

    9dfb6b41c90732c9206ef6f65a941b1061126ead69e3715d79519196dad5899c

  • SHA512

    f054710a96054db19b87511431b0868ceb824f94b8fd5e74a24298013c08d056b5bdeb56b4bc2baad3f4f343bea2bde82fe9a3de2a5698778edfcccf7f97c58f

  • SSDEEP

    12288:DFaV1oBGxcJ7Mj8G25d970Ecg3zgb5pzisLx+uGwE9EzX7:8VWBxC8rJ3zgbesLxrPyE

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

      9dfb6b41c90732c9206ef6f65a941b1061126ead69e3715d79519196dad5899c

    • Size

      688KB

    • MD5

      cd2a2421b83821c6c98e6d0bd346d7bd

    • SHA1

      0723c84c1e70a010e60b623526d146a469a69420

    • SHA256

      9dfb6b41c90732c9206ef6f65a941b1061126ead69e3715d79519196dad5899c

    • SHA512

      f054710a96054db19b87511431b0868ceb824f94b8fd5e74a24298013c08d056b5bdeb56b4bc2baad3f4f343bea2bde82fe9a3de2a5698778edfcccf7f97c58f

    • SSDEEP

      12288:DFaV1oBGxcJ7Mj8G25d970Ecg3zgb5pzisLx+uGwE9EzX7:8VWBxC8rJ3zgbesLxrPyE

    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