Overview

overview

10

Static

static

3

09b4b7b46a...b9.exe

windows7-x64

10

09b4b7b46a...b9.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    09b4b7b46aaa241b8e31419b9.exe

  • Size

    695KB

  • Sample

    230705-qqgx3acf53

  • MD5

    9b728ef6f74c527002e752b3bc8259a4

  • SHA1

    ed2b4d35bf42d50c0cd8c93210493820ea5053df

  • SHA256

    09b4b7b46aaa241b8e31419b9d71e0b9b1c70991cb1dd544cfb55150ebcb7a72

  • SHA512

    6621a0ec0f856d2fd9d7f20ea51a092e4dc2342ff41611ee09b29c34c4adb1be8ba365a39cb47eeb5879c3139b2f99c91cfd05165468783756fe0128c94df2cf

  • SSDEEP

    12288:P7ZXw3vt0DYeb80htjwNHTqQQtLDHNN49bUpmfhe/B3eauyS3+xlD+NdDe0v:PtA3izTtjwwrtHj4NUQf8hYOboeo

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

http://budf.top/ydtftysdtyftysdfsdpen3/get.php

Attributes
  • extension

    .mado

  • offline_id

    8TaHEsq5r7cNJKbYdWseLEB2pW1FuZKoKjKg5tt1

  • payload_url

    http://budf.top/files/penelop/updatewin1.exe

    http://budf.top/files/penelop/updatewin2.exe

    http://budf.top/files/penelop/updatewin.exe

    http://budf.top/files/penelop/3.exe

    http://budf.top/files/penelop/4.exe

    http://budf.top/files/penelop/5.exe

  • ransomnote

    ATTENTION! Don't worry, you can return all your files! All your files like photos, 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-PHJh5SU4jT 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: 0217OIWojlj48

rsa_pubkey.plain

Targets

    • Target

      09b4b7b46aaa241b8e31419b9.exe

    • Size

      695KB

    • MD5

      9b728ef6f74c527002e752b3bc8259a4

    • SHA1

      ed2b4d35bf42d50c0cd8c93210493820ea5053df

    • SHA256

      09b4b7b46aaa241b8e31419b9d71e0b9b1c70991cb1dd544cfb55150ebcb7a72

    • SHA512

      6621a0ec0f856d2fd9d7f20ea51a092e4dc2342ff41611ee09b29c34c4adb1be8ba365a39cb47eeb5879c3139b2f99c91cfd05165468783756fe0128c94df2cf

    • SSDEEP

      12288:P7ZXw3vt0DYeb80htjwNHTqQQtLDHNN49bUpmfhe/B3eauyS3+xlD+NdDe0v:PtA3izTtjwwrtHj4NUQf8hYOboeo

    Score
    10/10
    djvudiscoverypersistenceransomware

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

      ransomwaredjvu

    • Renames multiple (161) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

      ransomware

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • 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.

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks