Overview

overview

10

Static

static

3d3df3e7eb...f9.exe

windows7_x64

10

3d3df3e7eb...f9.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    3d3df3e7eb70a5b2ec5d8484b65aa13b0bfa15161ad29b1435f17fc7c80cdef9

  • Size

    1.1MB

  • Sample

    220516-rdjfssddg6

  • MD5

    bba54c282b52450d29c0372a0d0801ea

  • SHA1

    670981a5ef11461aa1891ab300c41f7e83c4e64d

  • SHA256

    3d3df3e7eb70a5b2ec5d8484b65aa13b0bfa15161ad29b1435f17fc7c80cdef9

  • SHA512

    056cba65bbaf1aaa7f9a3d548dd6b958e562cd4e3be5e91b1998c3d998f5197a241b7bf8da8470743962d902153b6cfbf2239e18b7bacdd6f30ecae248e71c5d

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

http://ring1.ug/As73yhsyU34578hxxx/SDf565g/get.php

Attributes
  • extension

    .coot

  • offline_id

    MRQ5kb5Z12tWuP3e25YoRt4PRDrJd2yuI3coott1

  • payload_url

    http://ring1.ug/files/cost/updatewin1.exe

    http://ring1.ug/files/cost/updatewin2.exe

    http://ring1.ug/files/cost/updatewin.exe

    http://ring1.ug/files/cost/3.exe

    http://ring1.ug/files/cost/4.exe

    http://ring1.ug/files/cost/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-IbdGyCKhdr 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: salesrestoresoftware@firemail.cc Reserve e-mail address to contact us: salesrestoresoftware@gmail.com Your personal ID: 0175Asd374y5iuhld

rsa_pubkey.plain

Targets

    • Target

      3d3df3e7eb70a5b2ec5d8484b65aa13b0bfa15161ad29b1435f17fc7c80cdef9

    • Size

      1.1MB

    • MD5

      bba54c282b52450d29c0372a0d0801ea

    • SHA1

      670981a5ef11461aa1891ab300c41f7e83c4e64d

    • SHA256

      3d3df3e7eb70a5b2ec5d8484b65aa13b0bfa15161ad29b1435f17fc7c80cdef9

    • SHA512

      056cba65bbaf1aaa7f9a3d548dd6b958e562cd4e3be5e91b1998c3d998f5197a241b7bf8da8470743962d902153b6cfbf2239e18b7bacdd6f30ecae248e71c5d

    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.

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

File Permissions Modification

1
T1222

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks