General

  • Target

    ca8a2770828d6c660dd6144ad0a989011ba43b753a8eeb83160608b95bc4fd67

  • Size

    716KB

  • Sample

    221018-wpghssghbk

  • MD5

    00e85047117022a430b13b8d55e0b178

  • SHA1

    5bf28eb0d90e571d94cf5399ab647a46ff5edf48

  • SHA256

    ca8a2770828d6c660dd6144ad0a989011ba43b753a8eeb83160608b95bc4fd67

  • SHA512

    74c2415c7dc9e23e706e81f6c4697d93779660eddb06933c17adb1846aa8feb573daf6b8787f9b94e80c478dfb073806eddc61d9bf476a57054e6a1bb44766da

  • SSDEEP

    12288:HCb03Vb04zuISpi6KMk5sReZvhmi0DAlNPJ+CAmdPoDppKy4XvkbVY6acIfG:HC09ipi1Mk5sRehhmtYNNoDPpMvgxac4

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .tuis

  • offline_id

    Uz66zEbmA32arcxwT81zZhkb23026oHz5iSp8qt1

  • payload_url

    http://rgyui.top/dl/build2.exe

    http://winnlinne.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-o7UXxOstmw 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: 0582Jhyjd

rsa_pubkey.plain

Extracted

Family

vidar

Version

55

Botnet

517

C2

https://t.me/truewallets

https://mas.to/@zara99

http://116.203.10.3:80

Attributes
  • profile_id

    517

Targets

    • Target

      ca8a2770828d6c660dd6144ad0a989011ba43b753a8eeb83160608b95bc4fd67

    • Size

      716KB

    • MD5

      00e85047117022a430b13b8d55e0b178

    • SHA1

      5bf28eb0d90e571d94cf5399ab647a46ff5edf48

    • SHA256

      ca8a2770828d6c660dd6144ad0a989011ba43b753a8eeb83160608b95bc4fd67

    • SHA512

      74c2415c7dc9e23e706e81f6c4697d93779660eddb06933c17adb1846aa8feb573daf6b8787f9b94e80c478dfb073806eddc61d9bf476a57054e6a1bb44766da

    • SSDEEP

      12288:HCb03Vb04zuISpi6KMk5sReZvhmi0DAlNPJ+CAmdPoDppKy4XvkbVY6acIfG:HC09ipi1Mk5sRehhmtYNNoDPpMvgxac4

    • 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

    • Checks computer location settings

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

    • 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