General

  • Target

    7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a

  • Size

    750KB

  • Sample

    231202-lgs7hsbd5w

  • MD5

    24c934eca55ba7dd5f9c534c0a027fd7

  • SHA1

    9b6a9d6158319e42ed89ab6c99266fd13a57682e

  • SHA256

    7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a

  • SHA512

    3fffa0f0703a6b20804c0e25377f86797cdf9a7996e29142330fbc45768de94c056cf601f428586556f611ea9506159b880261b09d89130f21f9afc2c183a214

  • SSDEEP

    12288:1oHDbvyBQZNvln+Zu4bj2wbwaDBh3DTGv8K86NUHrnLAd3U/W3bBDsTaXI+NKv:1EDbaBQZyIOLbwaFh3D2xmTLAdk+LKay

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .jazi

  • offline_id

    UlJXrkKDIkENh0vb5W9For2Yyh6riGytjO5p2St1

  • payload_url

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

    http://zexeq.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-iu965qqEb1 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: support@freshmail.top Reserve e-mail address to contact us: datarestorehelpyou@airmail.cc Your personal ID: 0830Usdk

rsa_pubkey.plain

Extracted

Family

vidar

Version

6.7

Botnet

aef20f7eb91ec5457d74e4fa0796c2bf

C2

https://t.me/s4p0g

https://steamcommunity.com/profiles/76561199575355834

Attributes
  • profile_id_v2

    aef20f7eb91ec5457d74e4fa0796c2bf

Targets

    • Target

      7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a

    • Size

      750KB

    • MD5

      24c934eca55ba7dd5f9c534c0a027fd7

    • SHA1

      9b6a9d6158319e42ed89ab6c99266fd13a57682e

    • SHA256

      7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a

    • SHA512

      3fffa0f0703a6b20804c0e25377f86797cdf9a7996e29142330fbc45768de94c056cf601f428586556f611ea9506159b880261b09d89130f21f9afc2c183a214

    • SSDEEP

      12288:1oHDbvyBQZNvln+Zu4bj2wbwaDBh3DTGv8K86NUHrnLAd3U/W3bBDsTaXI+NKv:1EDbaBQZyIOLbwaFh3D2xmTLAdk+LKay

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies file permissions

    • Adds Run key to start application

    • 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

MITRE ATT&CK Matrix ATT&CK v13

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

1
T1112

Discovery

System Information Discovery

1
T1082

Tasks