Overview

overview

10

Static

static

3

winprofile

windows7-x64

10

winprofile

windows10-1703-x64

10

Resubmissions

18-03-2024 04:52

240318-fhrr7agf52 10

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General

  • Target

    4adf61aa0b44273e8e9a770859225514ce7433fef615469f88180d417867abce

  • Size

    738KB

  • Sample

    240318-fhrr7agf52

  • MD5

    ac082d5f48200f4358291a225ee23e5b

  • SHA1

    e808bd1bf51b927b7a3ce5bc829ee97c5eef331a

  • SHA256

    4adf61aa0b44273e8e9a770859225514ce7433fef615469f88180d417867abce

  • SHA512

    4096df8372d7b964edf03de352053275216ebbb1f580222d7d912b8b6a629a5cda9518956c856fd5db9148cf04a9754ad0908a64835accf6475cb774eb77a00d

  • SSDEEP

    12288:X8RTBaYnrGFixBFuNVvOimuPXsK7ydZKgf3KjRUEKgsZqTAMkl:XGBbnyABFuNVvOhIXskcZ3KjOZ5

Score
10/10
djvuvidar82df9629d6ef6fc7fe54d6eb2bc6137bdiscoverypersistenceransomwarestealer

Malware Config

Extracted

Family

djvu

C2

http://sajdfue.com/test2/get.php

Attributes
  • extension

    .looy

  • offline_id

    1eSPzWRaNslCgtjBZfL5pzvovoiaVI4IZSnvAwt1

  • payload_url

    http://sdfjhuz.com/dl/build2.exe

    http://sajdfue.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. Do not ask assistants from youtube and recovery data sites for help in recovering your data. They can use your free decryption quota and scam you. Our contact is emails in this text document only. You can get and look video overview decrypt tool: https://wetransfer.com/downloads/3ed7a617738550b0a00c5aa231c0752020240316170955/d71ce1 Price of private key and decrypt software is $999. Discount 50% available if you contact us first 72 hours, that's price for you is $499. 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: support@freshingmail.top Reserve e-mail address to contact us: datarestorehelpyou@airmail.cc Your personal ID: 0858PsawqS

rsa_pubkey.plain

Extracted

Family

vidar

Version

8.3

Botnet

82df9629d6ef6fc7fe54d6eb2bc6137b

C2

https://steamcommunity.com/profiles/76561199651834633

https://t.me/raf6ik
Attributes
  • profile_id_v2

    82df9629d6ef6fc7fe54d6eb2bc6137b

  • user_agent

    Mozilla/5.0 (Windows NT 10.0; rv:109.0) Gecko/20100101 Firefox/115.0

Targets

    • Target

      4adf61aa0b44273e8e9a770859225514ce7433fef615469f88180d417867abce

    • Size

      738KB

    • MD5

      ac082d5f48200f4358291a225ee23e5b

    • SHA1

      e808bd1bf51b927b7a3ce5bc829ee97c5eef331a

    • SHA256

      4adf61aa0b44273e8e9a770859225514ce7433fef615469f88180d417867abce

    • SHA512

      4096df8372d7b964edf03de352053275216ebbb1f580222d7d912b8b6a629a5cda9518956c856fd5db9148cf04a9754ad0908a64835accf6475cb774eb77a00d

    • SSDEEP

      12288:X8RTBaYnrGFixBFuNVvOimuPXsK7ydZKgf3KjRUEKgsZqTAMkl:XGBbnyABFuNVvOhIXskcZ3KjOZ5

    Score
    10/10
    djvuvidar82df9629d6ef6fc7fe54d6eb2bc6137bdiscoverypersistenceransomwarestealer

    • 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 Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

File and Directory Permissions Modification

1
T1222

Modify Registry

2
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks