Overview

overview

10

Static

static

3

winprofile

windows7-x64

10

winprofile

windows10-1703-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    81bc674ece66294d98951305f4734f6ef520d3331901586efb895abf353b3be3

  • Size

    736KB

  • Sample

    240204-jjr15acfa2

  • MD5

    adb72c7dec5dd45c7f172f4d2d01e1ae

  • SHA1

    9a375b6d4a413807e7775b87722b3f10ce1fe511

  • SHA256

    81bc674ece66294d98951305f4734f6ef520d3331901586efb895abf353b3be3

  • SHA512

    e9da509a506028ee72cfb986bba23a158ee40f58f516b423b1cc7d20472299fc0791b7faf86ed13c94db7a98791a4bae63c783013793012dec43951783001c3c

  • SSDEEP

    12288:k6B0LvP6A0BEE0/wPSZUh6p7N23h8ByUtgLtRGVA50z9btGdQCAP:kT7cgZUO7Y3WzgpchJGiCAP

Score
10/10
djvuvidar1b9d7ec5a25ab9d78c31777a0016a097discoverypersistenceransomwarestealer

Malware Config

Extracted

Family

djvu

C2

http://habrafa.com/test1/get.php

Attributes
  • extension

    .cdcc

  • offline_id

    LBxKKiegnAy53rpqH3Pj2j46vwldiEt9kqHSuMt1

  • payload_url

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

    http://habrafa.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-iVcrVFVRqu 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: support@freshingmail.top Reserve e-mail address to contact us: datarestorehelpyou@airmail.cc Your personal ID: 0846ASdw

rsa_pubkey.plain

Extracted

Family

vidar

Version

7.6

Botnet

1b9d7ec5a25ab9d78c31777a0016a097

C2

https://t.me/tvrugrats

https://steamcommunity.com/profiles/76561199627279110
Attributes
  • profile_id_v2

    1b9d7ec5a25ab9d78c31777a0016a097

Targets

    • Target

      81bc674ece66294d98951305f4734f6ef520d3331901586efb895abf353b3be3

    • Size

      736KB

    • MD5

      adb72c7dec5dd45c7f172f4d2d01e1ae

    • SHA1

      9a375b6d4a413807e7775b87722b3f10ce1fe511

    • SHA256

      81bc674ece66294d98951305f4734f6ef520d3331901586efb895abf353b3be3

    • SHA512

      e9da509a506028ee72cfb986bba23a158ee40f58f516b423b1cc7d20472299fc0791b7faf86ed13c94db7a98791a4bae63c783013793012dec43951783001c3c

    • SSDEEP

      12288:k6B0LvP6A0BEE0/wPSZUh6p7N23h8ByUtgLtRGVA50z9btGdQCAP:kT7cgZUO7Y3WzgpchJGiCAP

    Score
    10/10
    djvuvidar1b9d7ec5a25ab9d78c31777a0016a097discoverypersistenceransomwarestealer

    • 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