General

  • Target

    a3be38de02428fd3f0b941a9c07fb18db8e3f3b299e2f3343cbaeff0e9b51cfd

  • Size

    725KB

  • Sample

    220423-fwt5gaefck

  • MD5

    83710297f525c75ef28f935b9c3a3af0

  • SHA1

    81345ec782f1b9833cf5d7ce1d3ed0fa2d46ca01

  • SHA256

    a3be38de02428fd3f0b941a9c07fb18db8e3f3b299e2f3343cbaeff0e9b51cfd

  • SHA512

    8eafe8c67fc5bb27e9652e9034279faa9760dce4c1a9080517a0d54edd01711f0e71253f74f62d057387185b31a85c5e9460f7869cf0b248503fc84bd686603e

Malware Config

Extracted

Family

djvu

C2

http://fuyt.org/test1/get.php

Attributes
  • extension

    .msjd

  • offline_id

    Xe4NOamOTHZrARTiL9dfVzAylFrEWLGGbr2dngt1

  • payload_url

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

    http://fuyt.org/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-FT7BNVbXC9 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: 0455JIjdm

rsa_pubkey.plain

Extracted

Family

vidar

Version

51.8

Botnet

517

C2

https://t.me/mm20220428

https://koyu.space/@ronxik123

Attributes
  • profile_id

    517

Targets

    • Target

      a3be38de02428fd3f0b941a9c07fb18db8e3f3b299e2f3343cbaeff0e9b51cfd

    • Size

      725KB

    • MD5

      83710297f525c75ef28f935b9c3a3af0

    • SHA1

      81345ec782f1b9833cf5d7ce1d3ed0fa2d46ca01

    • SHA256

      a3be38de02428fd3f0b941a9c07fb18db8e3f3b299e2f3343cbaeff0e9b51cfd

    • SHA512

      8eafe8c67fc5bb27e9652e9034279faa9760dce4c1a9080517a0d54edd01711f0e71253f74f62d057387185b31a85c5e9460f7869cf0b248503fc84bd686603e

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

      suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

    • Vidar 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