General

  • Target

    8c637a7e22b0970f12fd30b20aa1e753c07538adfe48eb9c83415572bdebf76c

  • Size

    725KB

  • Sample

    220422-3lh1sadchl

  • MD5

    f296da0428750acb3de3025c80db8018

  • SHA1

    7bef1e58e16dfb9b382b1c24f8a48f4299be8c73

  • SHA256

    8c637a7e22b0970f12fd30b20aa1e753c07538adfe48eb9c83415572bdebf76c

  • SHA512

    666bbd03cafda0947efe89b62deebab3d6da736df1951dd1f22c0dabaf0ff202edcfd57323e63a2c7997dd0f5faf728645041940a0f644ec46bc721d4779c017

Malware Config

Extracted

Family

djvu

C2

http://fuyt.org/fhsgtsspen6/get.php

Attributes
  • extension

    .dmay

  • 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: 0458JIjdm

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

      8c637a7e22b0970f12fd30b20aa1e753c07538adfe48eb9c83415572bdebf76c

    • Size

      725KB

    • MD5

      f296da0428750acb3de3025c80db8018

    • SHA1

      7bef1e58e16dfb9b382b1c24f8a48f4299be8c73

    • SHA256

      8c637a7e22b0970f12fd30b20aa1e753c07538adfe48eb9c83415572bdebf76c

    • SHA512

      666bbd03cafda0947efe89b62deebab3d6da736df1951dd1f22c0dabaf0ff202edcfd57323e63a2c7997dd0f5faf728645041940a0f644ec46bc721d4779c017

    • 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