General

  • Target

    451d74512d9c70bb2be8c99574ede93a0ebfdcb190b47bb77130a63d236d5a93

  • Size

    727KB

  • Sample

    220424-2e3aeaedak

  • MD5

    fa20a956dfcb2e51b8e0632d846d2147

  • SHA1

    38957aa3039a11498abd5d068688b80154ef0445

  • SHA256

    451d74512d9c70bb2be8c99574ede93a0ebfdcb190b47bb77130a63d236d5a93

  • SHA512

    3db7dc46908b87f44244a3c7912cf661b1ea09ecd4688738dd1c0dfeb09c7daf0292ae6859903024dc6bcce06c3bc3bc20ea7e8e545d368a4ee62d759ce44544

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

      451d74512d9c70bb2be8c99574ede93a0ebfdcb190b47bb77130a63d236d5a93

    • Size

      727KB

    • MD5

      fa20a956dfcb2e51b8e0632d846d2147

    • SHA1

      38957aa3039a11498abd5d068688b80154ef0445

    • SHA256

      451d74512d9c70bb2be8c99574ede93a0ebfdcb190b47bb77130a63d236d5a93

    • SHA512

      3db7dc46908b87f44244a3c7912cf661b1ea09ecd4688738dd1c0dfeb09c7daf0292ae6859903024dc6bcce06c3bc3bc20ea7e8e545d368a4ee62d759ce44544

    • 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.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks