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General

  • Target

    8a25e2ed1b1aebc3b0a2178ca21abf4109470984df7cc1270ce45662c0f67637

  • Size

    732KB

  • Sample

    230403-jre2jade38

  • MD5

    9f4d56a66cc580131e79067ad39b2295

  • SHA1

    b315bd1727f54d6d3b1667850780f037814e0f41

  • SHA256

    8a25e2ed1b1aebc3b0a2178ca21abf4109470984df7cc1270ce45662c0f67637

  • SHA512

    d055a4399e1a2306eaf15b99dca24ea29460f9143c8586fef746ae9a0c9c658e3e5991928f08ec6b9ee57ac70de21015aa746b9b59c1c69799013cad48f4b6aa

  • SSDEEP

    12288:M0hMf/4xEcLULZaaA2HOHn7HauDeOa/0FJ9NG+U/1g:M0hUjcoQaAo07HamA/0T9NG+U/1

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .niwm

  • offline_id

    FCP2fiITr4rryFhFBnA59GMgwES5CunmcbPc76t1

  • payload_url

    http://uaery.top/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-v8HcfXTy5x 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: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0681SUjhw

rsa_pubkey.plain

Extracted

Family

vidar

Version

3.2

Botnet

5df88deb5dde677ba658b77ad5f60248

C2

https://steamcommunity.com/profiles/76561199489580435

https://t.me/tabootalks

Attributes
  • profile_id_v2

    5df88deb5dde677ba658b77ad5f60248

  • user_agent

    Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36 OPR/91.0.4516.79

Targets

    • Target

      8a25e2ed1b1aebc3b0a2178ca21abf4109470984df7cc1270ce45662c0f67637

    • Size

      732KB

    • MD5

      9f4d56a66cc580131e79067ad39b2295

    • SHA1

      b315bd1727f54d6d3b1667850780f037814e0f41

    • SHA256

      8a25e2ed1b1aebc3b0a2178ca21abf4109470984df7cc1270ce45662c0f67637

    • SHA512

      d055a4399e1a2306eaf15b99dca24ea29460f9143c8586fef746ae9a0c9c658e3e5991928f08ec6b9ee57ac70de21015aa746b9b59c1c69799013cad48f4b6aa

    • SSDEEP

      12288:M0hMf/4xEcLULZaaA2HOHn7HauDeOa/0FJ9NG+U/1g:M0hUjcoQaAo07HamA/0T9NG+U/1

    • 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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses 2FA software files, possible credential harvesting

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • 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 Enterprise v6

Tasks