Overview

overview

10

Static

static

4598a0c09c...bd.exe

windows7_x64

10

4598a0c09c...bd.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    4598a0c09cb160c295b10c02d3ccfb261cd728b11f4fd1d47db21702100670bd

  • Size

    746KB

  • Sample

    220707-njkdhaghh7

  • MD5

    23c27e8bdb1ff3db612870d99286da5d

  • SHA1

    55f645e84e402af7faaf50e92032f3283ea7e7c6

  • SHA256

    4598a0c09cb160c295b10c02d3ccfb261cd728b11f4fd1d47db21702100670bd

  • SHA512

    665715900f37cb369c1153dc31170192518b83d2b592086ede539f9333bf67fc5088ae2b5fbbabb3a3b79013b05b83e4c40a39b41e2b354361c93feebac14cb5

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .meka

  • offline_id

    iToA4bsB4p1U6eP9sYfwett26TIoVaIjXvmekat1

  • 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-h159DSA7cz 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: 0178Asd374y5iuhld

rsa_pubkey.plain

Targets

    • Target

      4598a0c09cb160c295b10c02d3ccfb261cd728b11f4fd1d47db21702100670bd

    • Size

      746KB

    • MD5

      23c27e8bdb1ff3db612870d99286da5d

    • SHA1

      55f645e84e402af7faaf50e92032f3283ea7e7c6

    • SHA256

      4598a0c09cb160c295b10c02d3ccfb261cd728b11f4fd1d47db21702100670bd

    • SHA512

      665715900f37cb369c1153dc31170192518b83d2b592086ede539f9333bf67fc5088ae2b5fbbabb3a3b79013b05b83e4c40a39b41e2b354361c93feebac14cb5

    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